| Part of theAmerican football series on the |
| History of American football |
|---|
| Origins of American football |
| Close relations to other codes |
| Topics |
Themodern history of American football can be considered to have begun after the1932 NFL Playoff Game, which was the firstAmerican football game to featurehash marks, the legalization of theforward pass anywhere behind theline of scrimmage, and the movement of the goal posts back to thegoal line; it was also the first indoor gamesince 1902. Other innovations to occur in the years after 1932 were the introduction of theAP Poll in 1934, the tapering of the ends of thefootball in 1934, the awarding of the firstHeisman Trophy in 1935, the firstNFL draft in 1936, and thefirst televised game in 1939.
Another important event wasthe American football game at the1932 Summer Olympics, which combined with a similar demonstration game at the1933 World's Fair, led to the firstCollege All-Star Game in 1934, which in turn was an important factor in the growth ofprofessional football in the United States.[1] American football's explosion in popularity during the second half of the 20th century can be traced to the1958 NFL Championship Game, a contest that has been dubbed the "Greatest Game Ever Played". A rival league to theNFL, theAmerican Football League (AFL), began play in 1960. In 1966, the NFL initiated theAFL–NFL merger between the two leagues. The merger lead to the creation of theSuper Bowl, which has become the most watched television event in theUnited States on an annual basis.[2]



In the early 1930s, the college game continued to grow, particularly in theSouth, bolstered by fierce rivalries such as the "South's Oldest Rivalry", between Virginia and North Carolina and the "Deep South's Oldest Rivalry", betweenGeorgia andAuburn. Although before the mid-1920s most national powers came from theNortheast or theMidwest, the trend changed when several teams from the South and the West Coast achieved national success.Wallace William Wade's1925 Alabama team won the1926 Rose Bowl after receiving its first national title andWilliam Alexander's 1928Georgia Tech team defeatedCalifornia in the1929 Rose Bowl. College football quickly became the most popular spectator sport in the South.[3]
Several major modern college football conferences rose to prominence during this time period. TheSouthwest Athletic Conference had been founded in 1915. Consisting mostly of schools from Texas, the conference saw back-to-back national champions withTexas Christian University (TCU) in 1938 andTexas A&M in 1939.[4][5] ThePacific Coast Conference (PCC), a precursor to the contemporaryPac-12 Conference, had its own back-to-back champion in theUniversity of Southern California which was awarded the title in 1931 and 1932.[4] TheSoutheastern Conference (SEC) formed in 1932 and consisted mostly of schools in theDeep South.[6] As in previous decades, the Big Ten continued to dominate in the 1930s and 1940s, with Minnesota winning 5 titles between 1934 and 1941, and Michigan (1933, 1947, and 1948) andOhio State (1942) also winning titles.[4][7]
As it grew beyond its regional affiliations in the 1930s, college football garnered increased national attention. Four newbowl games were created: theOrange Bowl,Sugar Bowl, theSun Bowl in 1935, and theCotton Bowl in 1937. In lieu of an actual national championship, these bowl games, along with the earlier Rose Bowl, provided a way to match up teams from distant regions of the country that did not otherwise play. In 1936, theAssociated Press began itsweekly poll of prominent sports writers, ranking all of the nation's college football teams. Since there was no national championship game, the final version of the AP poll was used to determine who was crowned theNational Champion of college football.[8]
The 1930s saw growth in the passing game. Though some coaches, such as GeneralRobert Neyland at Tennessee, continued to eschew its use, several rules changes to the game had a profound effect on teams' ability to throw the ball. In 1934, the rules committee removed two major penalties—a loss of five yards for a second incomplete pass in any series of downs and a loss of possession for an incomplete pass in the end zone—and shrunk the circumference of the ball, making it easier to grip and throw. Players who became famous for taking advantage of the easier passing game included Alabama endDon Hutson and TCU passer"Slingin" Sammy Baugh.[9]
In 1935, New York City'sDowntown Athletic Club awarded the firstHeisman Trophy toUniversity of Chicago halfbackJay Berwanger, who was also the first everNFL draft pick in 1936. The trophy was designed by sculptorFrank Eliscu and modeled afterNew York University playerEd Smith. The trophy recognizes the nation's "most outstanding" college football player and has become one of the most coveted awards in all of American sports.[10]
NBC broadcast thefirst televised college football game ever, which was between Waynesburg and Fordham on September 30, 1939, on stationW2XBS with one camera andBill Stern was the sole announcer. Estimates are that the broadcast reached approximately 1,000 television sets.[11]
College football on television continued with thesecond televised college game just one month later, on October 28, when theKansas State Wildcats hosted theNebraska Cornhuskers for their homecoming contest.[12]
Prior to 1941, virtually all football players saw action on "both sides of the ball", playing in both offensive and defensive roles. From 1941 to 1952, theNational Collegiate Athletic Association (NCAA) allowed unlimited substitution. This change was originally made because of the difficulty in fielding highly skilled players during the years of the Second World War, in which many able-bodied college-age men volunteered for or were drafted into military service.[13] During World War II, college football players enlisted in thearmed forces, someplaying in Europe during the war. As most of these players had eligibility left on their college careers, some of them returned to college atWest Point, bringing Army back-to-back national titles in 1944 and 1945 under coachRed Blaik.Doc Blanchard (known as "Mr. Inside") andGlenn Davis (known as "Mr. Outside") both won theHeisman Trophy, in 1945 and 1946 respectively. On the coaching staff of those 1944–1946 Army teams was futurePro Football Hall of Fame coachVince Lombardi.[7][14]
The 1950s saw the rise of yet moredynasties and power programs.Oklahoma, under coachBud Wilkinson, won three national titles (1950, 1955, 1956) and all tenBig Eight Conference championships in the decade while building a record 47-game winning streak.Woody Hayes led Ohio State to two national titles, in 1954 and 1957, and dominated the Big Ten conference, winning threeBig Ten titles—more than any other school. Wilkinson and Hayes, along with Robert Neyland of Tennessee, oversaw a revival of the running game in the 1950s. Passing numbers dropped from an average of 18.9 attempts in 1951 to 13.6 attempts in 1955, while teams averaged just shy of 50 running plays per game. Nine out of ten Heisman trophy winners in the 1950s were runners. Notre Dame, one of the biggest passing teams of the decade, saw a substantial decline in success; the 1950s were the only decade between 1920 and 1990 when the team did not win at least a share of the national title.Paul Hornung, Notre Dame quarterback, did, however, win the Heisman in 1956, becoming the only player from a losing team ever to do so.[15][16]
In 1954, the NCAA emplaced a set of new rules ending free substitution, and thus requiring the use of theone-platoon system, primarily due to financial reasons.[13][17] The system allowed only one player to be substituted between plays, which effectively put an end to the use of separate specialized units.[18]Tennessee head coach "General"Robert Neyland praised the change as the end of "chickenshit football".[13]
Following the enormous success of theNational Football League's1958 championship game, college football no longer enjoyed the same popularity as the NFL, at least on a national level. While both games benefited from the advent of television, since the late 1950s, the NFL has become a nationally popular sport while college football has maintained strong regional ties.[19][20][21]
As professional football became a national television phenomenon, college football did as well. In the 1950s, Notre Dame, which had a large national following, formed its own network to broadcast its games, but by and large the sport still retained a mostly regional following. In 1952, the NCAA claimed all television broadcasting rights for the games of its member institutions, and it alone negotiated television rights. This situation continued until 1984, when several schools brought a suit under theSherman Antitrust Act; theSupreme Courtruled against the NCAA and schools are now free to negotiate their own television deals.ABC Sports began broadcasting a national Game of the Week in 1966, bringing key matchups and rivalries to a national audience for the first time.[22]
New formations and play sets continued to be developed.Emory Bellard, an assistant coach underDarrell Royal at theUniversity of Texas, developed a three-backoption style offense known as thewishbone. The wishbone is a run-heavy offense that depends on the quarterback making last second decisions on when and to whom to hand or pitch the ball to. Royal went on to teach the offense to other coaches, includingBear Bryant at Alabama,Chuck Fairbanks at Oklahoma andPepper Rodgers atUCLA; who all adapted and developed it to their own tastes.[23] The strategic opposite of the wishbone is thespread offense, developed by professional and college coaches throughout the 1960s and 1970s. Though some schools play a run-based version of the spread, its most common use is as a passing offense designed to "spread" the field both horizontally and vertically.[24] Some teams have managed to adapt with the times to keep winning consistently. In the rankings of themost victorious programs,Michigan,Texas, andNotre Dame are ranked first, second, and third in total wins.
After the 1964 season, twelve years since the mandate requiring one-platoon, the NCAA repealed the rules enforcing its use and allowed an unlimited amount of player substitutions.[18][25] This allowed, starting with the 1965 season,[26] teams to form separate offensive and defensive units as well as "special teams" which would be employed in kicking situations. The reinstatement of the two-platoon system allowed players to become more specialized by focusing on a limited number of plays and skills related to their specific position.[18] By the early 1970s, however, some university administrators, coaches and others were calling for a return to the days of one-platoon football.[27]
The 1969 college football season was celebrated as the 100th anniversary of college football. Many schools, at the behest of the NCAA, commemorated the 1969 season by wearing a special decal on their football helmets. The decal consisted of the numeral "100" inside a football shaped outline. The decal was designed to commemorate the1869 game betweenRutgers andPrinceton, often cited as the first college football game. Decals varied greatly from one team to another. Some teams placed the decals unobtrusively on the front or back of the helmet. Other teams placed them prominently on the side, either in addition to or in place of their regular team logo. Colors and design of the decals also varied greatly between teams; with different numeral styles and color schemes in use.[28] One notable exception wasHarvard, which abstained from the 1969 commemoration, and had its own special helmet decal made for the1974 season, which commemorates an 1874 game that Harvard played againstMcGill that Harvard claims was the "real" first American football game.[29]
| Bowl Game Growth[30] | |
| Year | # of games |
|---|---|
| 1930 | 1 |
| 1940 | 5 |
| 1950 | 8 |
| 1960 | 8 |
| 1970 | 8 |
| 1980 | 15 |
| 1990 | 19 |
| 2000 | 25 |
| 2010 | 35 |
| 2015 | 40[31] |
In 1940, for the highest level of college football, there were only five bowl games (Rose, Orange, Sugar, Sun, and Cotton). By 1950, three more had joined that number and in 1970, there were still only eight major college bowl games. The number grew to eleven in 1976. At the birth of cable television and cable sports networks likeESPN, there were fifteen bowls in 1980. With more national venues and increased available revenue, the bowls saw an explosive growth throughout the 1980s and 1990s. In the thirty years from 1950 to 1980, seven bowl games were added to the schedule. From 1980 to 2008, an additional 20 bowl games were added to the schedule.[30][32] Some have criticized this growth, claiming that the increased number of games has diluted the significance of playing in a bowl game. Yet others have countered that the increased number of games has increased exposure and revenue for a greater number of schools, and see it as a positive development.[33]
With the growth of bowl games, it became difficult to determine a national champion in a fair and equitable manner. As conferences became contractually bound to certain bowl games (a situation known as atie-in), match-ups that guaranteed a consensus national champion became increasingly rare. In 1992, seven conferences and independent Notre Dame formed theBowl Coalition, which attempted to arrange an annual No.1 versus No.2 matchup based on the final AP poll standings. The Coalition lasted for three years; however, several scheduling issues prevented much success; tie-ins still took precedence in several cases. For example, the Big Eight and SEC champions could never meet, since they were contractually bound to different bowl games. The coalition also excluded the Rose Bowl, arguably the most prestigious game in the nation, and two major conferences—the Pac-10 and Big Ten—meaning that it had limited success. In 1995, the Coalition was replaced by theBowl Alliance, which reduced the number of bowl games to host a national championship game to three—theFiesta, Sugar, and Orange Bowls—and the participating conferences to five—theACC,SEC,Southwest,Big Eight, andBig East. It was agreed that the No.1 and No.2 ranked teams gave up their prior bowl tie-ins and were guaranteed to meet in the national championship game, which rotated between the three participating bowls. The system still did not include theBig Ten,Pac-10, or theRose Bowl, and thus still lacked the legitimacy of a true national championship.[32][34]
In 1998, a new system was put into place called the Bowl Championship Series. For the first time, it included all major conferences (ACC, Big East, Big 12, Big Ten, Pac-10, and SEC) and all four major bowl games (Rose, Orange, Sugar and Fiesta). The champions of these six conferences, along with two "at-large" selections, were invited to play in the four bowl games. Each year, one of the four bowl games served as a national championship game. Also, a complex system of human polls, computer rankings, and strength of schedule calculations was instituted to rank schools. Based on this ranking system, the No.1 and No.2 teams met each year in the national championship game. Traditional tie-ins were maintained for schools and bowls not part of the national championship. For example, in years when not a part of the national championship, the Rose Bowl still hosted the Big Ten and Pac-10 champions.[34]
The system continued to change, as the formula for ranking teams was tweaked from year to year. At-large teams could be chosen from any of theDivision I conferences, though only one selection—Utah in 2005—came from a non-BCS affiliated conference. Starting with the 2006 season, a fifth game—simply called theBCS National Championship Game—was added to the schedule, to be played at the site of one of the four BCS bowl games on a rotating basis, one week after the regular bowl game. This opened up the BCS to two additional at-large teams. Also, rules were changed to add the champions of five additional conferences (Conference USA, theMid-American Conference, theMountain West Conference, theSun Belt Conference and theWestern Athletic Conference), provided that said champion ranked in the top twelve in the final BCS rankings, or was within the top 16 of the BCS rankings and ranked higher than the champion of at least one of the"BCS conferences" (also known as "AQ" conferences, for Automatic Qualifying).[34] Several times since this rule change was implemented, schools from non-AQ conferences played in BCS bowl games. In 2009,Boise State playedTCU in theFiesta Bowl, the first time two schools from non-BCS conferences played each other in a BCS bowl game. The final team from the non-AQ ranks to reach a BCS bowl game wasNorthern Illinois in 2012, which played in (and lost) the2013 Orange Bowl.
Due to the intensification of thecollege football playoff debate after nearly a decade of the sometimes disputable results of the BCS, the conference commissioners and Notre Dame's president voted to implement a postseason tournament to name a champion, which came to be called theCollege Football Playoff (CFP). CFP is the annual postseason tournament for theNCAA Division I Football Bowl Subdivision (FBS). Just as its predecessors, such a postseason tournament has failed to receive official sanctioning from the NCAA.
The CFP system is centered on six major bowl games played on or near New Year's Day, often called the "New Year's Six". Three pairs of games rotate annually as hosts of CFP semifinals. The champions of the so-calledPower Five conferences (ACC, Big Ten, Big 12, Pac-12, SEC) all receive guaranteed berths in one of the New Year's Six games, though not necessarily in the CFP semifinals.Notre Dame, a footballindependent but otherwise an ACC member, has its own arrangement for access to the New Year's Six should it meet specified criteria. A selection committee similar to those used by theNCAA basketball tournaments for men and women releases a weekly ranking concurrently with theAP Poll starting with the Monday after Week 10 of the season. After the completion of the regular season, the committee selects the four teams that will compete in the CFP semifinals and the at-large entries to the New Year's Six games. One of the at-large entries is reserved for the top-ranking champion of the so-called "Group of Five" conferences (American,Conference USA,MAC,Mountain West,Sun Belt). The semifinal winners advance to theCollege Football Playoff National Championship game.[35] The first season of the new system was not without controversy, however, afterTCU andBaylor (each with only one loss) both failed to receive the support of the College Football Playoff selection committee.[36]
The CFP was expanded to 12 teams as of the2024 NCAA Division I FBS football season.

The 1930s represented an important time of transition for the NFL. League membership was fluid prior to the mid-1930s. 1936 was the first year where there were no franchise moves,[37] prior to that year 51 teams had gone defunct.[38] Also in 1936, the NFL instituted the firstdraft of college players. With the first ever draft selection, the Philadelphia Eagles picked Heisman Trophy winnerJay Berwanger, but he declined to play professionally.[39] Also in that year,another AFL formed, but it also lasted only two seasons.[40]
An NFL game was televised for the first time whenNBC broadcast the October 22, 1939Philadelphia Eagles atBrooklyn Dodgers game atEbbets Field in Brooklyn (the Dodgers won23-14). The experimental broadcast was broadcast only to viewers in New York andAlbany; regular broadcasting of NFL games would not begin until 1951.
The football, itself, changed in 1934, with a rule change that tapered the ball at the ends more and reduced the size around the middle. This new, sleeker ball made it much easier to handle, particularly for passers.[41]
In 1933, the last year of integration, the NFL had two black players,Joe Lillard andRay Kemp. Both were gone by the end of the season: Lillard, due largely to his tendency to get into fights, was not invited back to theChicago Cardinals[42][43] despite in 1933 being responsible for almost half of the Cardinals' points, while Kemp quit on his own accord to pursue a coaching career (one that turned out to be long and successful).[44][45] Many observers will attribute the subsequent lockout of black players to the entry ofGeorge Preston Marshall into the league in 1932. Marshall openly refused to have black athletes on hisBoston Braves/Washington Redskins team, and reportedly pressured the rest of the league to follow suit. Marshall, however, was likely not the only reason: theGreat Depression had stoked an increase in racism and self-inflicted segregation across the country, and internal politics likely had as much of an effect as external pressure.[44] Marshall's hostility was specifically directed at the black race; he openly allowed (and promoted) Native Americans on his team, including his first head coach,Lone Star Dietz, widely believed to be a Native American at the time.The choice of Redskins as his team name in 1933 was in part to maintain the native connotations that came with the previous team's name, theBoston Braves.[46] Another reason for Marshall's anti-black sentiment was to curry favor in theSouthern United States; Marshall's Redskins had a strong following in that part of the country, which he vigorously defended, and he stood up against the NFL's efforts to putexpansion teams in the South untilClint Murchison Jr.'s extortion attempt as he acquired the rights to theHail to the Redskins, their fight song, and threatened not to let Marshall use it unless he got an expansion team in Dallas, leading to the establishment of theDallas Cowboys in 1960.[47] By 1934, there were no more black players in the league.[48][49] The NFL did not have another black player until after World War II.
In 1941, the NFL named its first Commissioner,Elmer Layden. The new office replaced that of President. Layden held the job for five years, before being replaced byPittsburgh Steelers co-ownerBert Bell in 1946.[50]
During World War II, a player shortage led to a shrinking of the league as several teams folded and others merged. Among the short-lived merged teams were theSteagles (Pittsburgh and Philadelphia) in 1943, theCard-Pitts (Chicago Cardinals and Pittsburgh) in 1944, and a team formed from the merger of theBrooklyn Dodgers and theBoston Yanks in 1945.[38][50]
1946 was an important year in the history of professional football, as that was the year when the NFLreintegrated. TheLos Angeles Rams signed two African American players,Kenny Washington andWoody Strode. Also that year, a competing league, theAll-America Football Conference (AAFC), began operation.[50]
During the 1950s, additional teams entered the league. In 1950, the AAFC folded, and three teams from that league were absorbed into the NFL: theCleveland Browns (who had won the AAFC Championship every year of the league's existence), theSan Francisco 49ers, and the Baltimore Colts (not the same as the modern franchise, this version folded after one year). The remaining players were chosen by the now 13 NFL teams in adispersal draft. Also in 1950, the Los Angeles Rams became the first team to televise its entire schedule, marking the beginning of an important relationship between television and professional football.[50] In 1952, theDallas Texans went defunct, becoming the last NFL franchise to do so.[38] The following year a newBaltimore Colts franchise formed to take over the assets of the Texans. The players' union, known as theNFL Players Association, formed in 1956.[51]
At the conclusion of the1958 NFL season, theBaltimore Colts and theNew York Giants met atYankee Stadium to determine the league champion. Tied after 60 minutes of play, it became the first NFL game to go intosudden deathovertime. The final score wasBaltimore Colts 23,New York Giants 17. The game has since become widely known as "the Greatest Game Ever Played". It was carried live on theNBC television network, and the national exposure it provided the league has been cited as a watershed moment in professional football history, helping propel the NFL to become one of the most popular sports leagues in the United States.[51][52][53] Journalist Tex Maule said of the contest, "This, for the first time, was a truly epic game which inflamed the imagination of a national audience."[19]
In 1959, longtime NFL commissionerBert Bell died of a heart attack while attending an Eagles/Steelers game atFranklin Field. That same year,Dallas, Texas businessmanLamar Hunt led the formation of the rivalAmerican Football League, the fourth such league to bear that name, with war hero and former South Dakota GovernorJoe Foss as its Commissioner. Unlike the earlier rival leagues, and bolstered by television exposure, the AFL posed a significant threat to NFL dominance of the professional football world. In 1960, the AFL began play with eight teams and a double round-robin schedule of fourteen games. New NFL commissionerPete Rozelle took office the same year.[51] The AFL generally avoided placing teams in markets where they directly competed with established NFL franchises. Although four inaugural AFL teams shared markets with NFL teams—theDallas Texans,Los Angeles Chargers,Titans of New York, andOakland Raiders (the latter sharing theSan Francisco Bay Area with theSan Francisco 49ers)—only the franchises in New York (renamed the New York Jets) and Oakland remained in direct competition with NFL teams after the league's early years. The Chargers moved to San Diego after the 1960 season and the Texans moved to Kansas City after the 1962 season, becoming the Chiefs.
WhenChuck Bednarik retired from playinglinebacker andcenter for thePhiladelphia Eagles in 1962, he became professional football's last full-time two-way player.[54] After his retirement, Bednarik became an outspoken critic of the modern football player's lack of stamina under free substitution.[13][55][56]
The AFL was able to become a viable alternative to the NFL as it made a concerted effort to attract established talent away from the NFL, signing half of the NFL's first-round draft choices in 1960. The AFL worked hard to secure top college players, many from sources virtually untapped by the established league: small colleges andpredominantly black colleges. Two of the eight coaches of theOriginal Eight AFL franchises,Hank Stram (Texans/Chiefs) andSid Gillman (Chargers) eventually were inducted to the Hall of Fame. Led byOakland Raiders owner and AFL commissionerAl Davis, the AFL established a "war chest" to entice top talent with higher pay than they got from the NFL. Former Green Bay Packers quarterbackBabe Parilli became a star for theBoston Patriots during the early years of the AFL, and University of Alabama passerJoe Namath rejected the NFL to play for theNew York Jets. Namath became the face of the league as it reached its height of popularity in the mid-1960s. Davis's methods worked, and in 1966, the junior league forced a partial merger with the NFL. The two leagues agreed to have a commondraft and play in a common season-ending championship game, known as the AFL-NFL World Championship. Two years later, the game's name was changed to theSuper Bowl.[57][58][59]AFL teams won the next two Super Bowls, and in 1970, the two leaguesmerged to form a new 26-team league. The resulting newly expanded NFL eventually incorporated some of the innovations that led to the AFL's success, such as including names on player's jerseys, official scoreboard clocks, national television contracts (the addition ofMonday Night Football gave the NFL broadcast rights on all of theBig Three television networks), and sharing of gate and broadcasting revenues between home and visiting teams.[57]
The Washington Redskins had no black players untilInterior SecretaryStewart Udall threatened to evict them fromD. C. Stadium unless they signed a black player. The Redskins first attempted to comply by draftingErnie Davis, who refused to play under Marshall; the Redskins in turn traded Davis to theCleveland Browns. The Redskins eventually signedBobby Mitchell and two other African American players by 1962, thus making them the last major professional football team in America to integrate.
Vince Lombardi led theGreen Bay Packers as both head coach and general manager during the 1960s, where his efforts led the team to three straight and five totalNational Football League championships in seven years, in addition to winning the first twoSuper Bowls following the1966 and1967 NFL seasons. Lombardi is considered by many to be one of the best and most successful coaches in Professional Football history.[60] In 1960, even thoughcolor barrier still existed in the NFL, as the Redskins at that time still refused to play black players,[61][62] Jack Vainisi, theScouting Director for the Packers,[63] and Lombardi were determined "to ignore the prejudices then prevalent in most NFL front offices in their search for the most talented players."[64] Lombardi explained his views by saying that he "... viewed his players as neitherblack norwhite, but Packer green".[65] Among professional football head coaches, Lombardi's view on discrimination was notde rigueur in the midst of thecivil rights movement.[66] An interracial relationship between one of the Packer rookies and a young woman was brought to the attention of Lombardi by Packer veterans in his first training camp in Green Bay.[67] The next day at training camp, Lombardi, who had a zero tolerance policy towards racism, responded by warning his team that if any player exhibited prejudice, in any manner, then that player would be thrown off the team. Lombardi, who was vehemently opposed toJim Crow discrimination, let it be known to all Green Bay establishments that if they did not accommodate his black players equally as well as his white players, then that business would be off-limits to the entire team.[68] Before the start of the 1960 regular season, he instituted a policy that the Packers would only lodge in places that accepted all his players.[69] In the all-white Oneida Golf and RidingCountry club in Green Bay, of which Lombardi was a member, Lombardi demanded that he should be allowed to choose aNative Americancaddie, even if white caddies were available.[70] Lombardi's view on racial matters was a result of his religious faith and the prejudice he had experienced as anItalian-American.[71] While Lombardi was known to treat his players roughly in practices and during games, he insisted on unconditional respect for gay players and front office staff.[72] Demanding "Nothing But Acceptance" from players and coaches toward all people, Lombardi would fire a coach or release a player should they insult the sexual orientation of anyone.[73] In Washington, Lombardi's assistant general manager, David Slatterly, was gay, as was PR director Joe Blair, who was described as Lombardi's "right-hand man."[74] According to son Vince Lombardi, Jr., "He saw everyone as equals, and I think having a gay brother (Hal) was a big factor in his approach ... I think my father would've felt, 'I hope I've created an atmosphere in the locker room where this would not be an issue at all. And if you do have an issue, the problem will be yours because my locker room will tolerate nothing but acceptance.'"[75] Upon his arrival in Washington, Lombardi was aware of tight endJerry Smith's sexual orientation.[76] "Lombardi protected and loved Jerry", said former teammateDave Kopay.[77] Lombardi brought Smith into his office and told him that his sexual orientation would never be an issue as long as he was coaching the Redskins; Smith would be judged solely on his on-the-field performance and contribution to the team's success.[78] Under Lombardi's leadership Smith flourished, becoming an integral part of Lombardi's offense, and was voted a First Team All-Pro for the first time in his career, which was also Lombardi's only season as Redskin head coach.[79] Lombardi invited other gay players to training camp, and would privately hope they would prove they could earn a spot on the team.[80] At theWashington Redskinstraining camp in 1969,Ray McDonald was agay player, with sub-par skills,[81] who was trying to make the Redskin roster again,[citation needed] but this time with Lombardi as the Redskins' new head coach. True to his word, Lombardi told running back coach, George Dickson,[82] 'I want you to get on McDonald and work on him and work on him – and if I hearone of you people make reference to his manhood, you'll be out of here before your ass hits the ground.'.[83] TheNational Football League'sSuper Bowltrophy is named in Lombardi's honor after he unexpectedly died in 1970 of cancer. He was enshrined in thePro Football Hall of Fame in 1971.

The NFL continued to grow, eventually adopting some innovations of the AFL, including the two-point conversion in 1994. It has expanded several times to its current 32-team membership, and the Super Bowl has become a cultural phenomena across the United States. One of the most popular televised events annually in the United States,[2] it has become a major source of advertising revenue for the television networks that have carried it and it serves as a means for advertisers to debutelaborate and expensive commercials for their products.[84] The NFL has grown to become the most popular spectator sports league in the United States.[85]
One of the things that have marked the modern NFL as different from othermajor professional sports leagues is the apparent parity between its 32 teams. While from time to time,dominant teams have arisen, the league has been cited as one of the few where every team has a realistic chance of winning the championship from year to year.[86] The league's complex labor agreement with itsplayers' union, which mandates a hardsalary cap and revenue sharing between its clubs, prevents the richest teams from stockpiling the best players and gives even teams in smaller cities such asGreen Bay and New Orleans the opportunity to compete for the Super Bowl.[87] One of the chief architects of this labor agreement was former NFL commissionerPaul Tagliabue, who presided over the league from 1989 to 2006.[88] In addition to providing parity between the clubs, the current labor contract, established in 1993 and renewed in 1998 and 2006, has kept player salaries low—the lowest among the four major league sports in the United States—[89] and has helped make the NFL the only major American professional sports league since 1993 not to suffer any player strike or work stoppage.[90] In 1994,Paul Tagliabue approved the creation of the Mild Traumatic Brain Injury (MTBI) Committee with the stated goal of studying the effects of concussions and sub-concussive injury in NFL players. Tagliabue appointedrheumatologist Dr. Elliot Pellman to chair the committee.[91] Pellman's appointment was met with harsh criticism, because he is not a neurologist orneuropsychologist and often admitted ignorance about head injuries.[91]
Since taking over as commissioner before the2006 season,Roger Goodell has madeplayer conduct a priority of his office. Since taking office, several high-profile players have experienced trouble with the law, fromAdam "Pacman" Jones toMichael Vick. In these and other cases, Commissioner Goodell has mandated lengthy suspensions for players who fall outside of acceptable conduct limits.[92] Goodell, however, has remained a largely unpopular figure to many of the league's fans, who perceive him attempting to change the NFL's identity and haphazardly damage the sport.[93][94][95]
In 2010, the NFL finally acknowledged that many of its ex-players were suffering fromchronic traumatic encephalopathy (CTE).[96] In 2013 a book written by ESPN reporters Mark Fainaru-Wada and Steve Fainaru, which was initially broadcast as a documentary film, was made abouttraumatic brain injury in theNational Football League (NFL), particularlyconcussions andchronic traumatic encephalopathy (CTE). The documentary, entitledLeague of Denial: The NFL's Concussion Crisis, was produced byFrontline and broadcast onPBS.[97][98][99][100][101][102] The book and film, both devote significant attention to the story ofMike Webster and his football-related brain injuries, and the pathologist who examined Webster's brain,Bennet Omalu. The film also looks closely at the efforts of researchers led byAnn McKee at Boston University's Center for the Study of Traumatic Encephalopathy, where the brains of a number of former NFL athletes have been examined.[103] On September 30, 2014, it was announced that 76 of the 79 brains of former NFL players studied by Dr. Ann McKee and her colleagues tested positive for CTE. The study conducted was the largest brain bank study to date and was a twofold increase in the number of confirmed cases of CTE.[104] Playing American football continues to have deadly consequences with 92 players dying between 2005 and 2014, including 8 deaths in 2013, 11 in 2014 and 11 in 2015 as of November 2015.[105][106][107]
Minor professional leagues such as theoriginal United Football League,Atlantic Coast Football League,Texas Football League,Seaboard Football League andContinental Football League existed in abundance in the 1960s and early 1970s, to varying degrees of success.
Several other professional football leagues have been formed since the AFL–NFL merger, though none have had the success of the AFL. In 1974, theWorld Football League formed and was able to attract such stars asLarry Csonka away from the NFL with lucrative contracts. However, most of the WFL franchises were insolvent and the league folded in 1975; theMemphis Southmen, the team that had signed Csonka and the most financially stable of the teams, unsuccessfully sued to join the NFL. TheAmerican Football Association formed as a continuation of the WFL's legacy in 1978, albeit on a much lower pay scale. That league lasted until 1982.
In 1970,Patricia Palinkas became the first woman to ever play on a men's semipro football team when she joined the Orlando Panthers. In 1974, theNational Women's Football League was founded, starting play with 7 teams. By the mid-1970s, the average NWFL franchise entry fee was $10,000. The Toledo Troopers had a record from 1971 through 1976 of 39 wins, 1 loss and 1 tie, but folded in 1980 due to financial problems. The NWFL took a year off to restructure in 1987, but by the next year the league had split in two, with the remnants of the NWFL based in Toledo and the new Women's Tackle Football Association based in Grand Rapids, Michigan.[108]
In 1982, theUnited States Football League formed as a spring league, and enjoyed moderate success during its first two seasons behind such stars asJim Kelly andHerschel Walker. It intended to move its schedule to the fall in 1986, and tried to compete with the NFL directly, but despite winning an anti-trust suit against the older league the USFL was only awarded token damages, depriving the league of the funds it needed to stay solvent. The USFL ceased operations a month before its first fall season was to begin.
The NFL founded a developmental league known as theWorld League of American Football with teams based in the United States, Canada, and Europe. The WLAF ran for two years, from 1991 to 1992. The league went on a two-year hiatus before reorganizing asNFL Europe in 1995, with teams only in European cities. The name of the league was changed to NFL Europa in 2006. After the 2007 season, the NFL announced that it was closing down the league to focus its international marketing efforts in other ways, such as playing NFL regular season games in cities outside of the U.S.[109]
Short-lived leagues such as theRegional Football League andSpring Football League formed in the wake of thedot-com boom but evaporated in short order after the boom ended.
In 2001, theXFL was formed as a joint venture between theWorld Wrestling Federation and the NBC television network. It folded after one season in the face of rapidly declining fan interest and a poor reputation. However, XFL stars such asTommy Maddox andRod "He Hate Me" Smart later saw success in the NFL.[110][111][112]
TheUnited Football League was a four-team fully professional league which played itsfirst season in October–November 2009. Involved in this league wereMark Cuban, media mogul and owner of theNational Basketball Association'sDallas Mavericks andWilliam Hambrecht, a prominentWall Street investor.[113][114][115] The UFL was beset with numerous financial problems, some of which stemmed from the inability to sell television rights, insufficient ticket revenue and insurmountable expenses. Midway through its fourth season, the league abruptly shut down, after which several dozen former players and coaches sued to recover unpaid salaries; all remaining teams had folded and shut down their offices by March, 2013.
TheStars Football League played three seasons as a marginally professional league from 2011 to 2013, with its last two seasons restricted entirely to the state of Florida. TheFall Experimental Football League, an explicitly minor league, played two short seasons in 2014 and 2015.

American has become a popular participatory sport among youth. One of the earliest youth football organizations was founded inPhiladelphia, in 1929, as the Junior Football Conference. Organizer Joe Tomlin started the league to provide activities and guidance for teenage boys who were vandalizing the factory he owned. The original four-team league expanded to sixteen teams in 1933 when Pop Warner, who had just been hired as the new coach of the Temple University football team, agreed to give a lecture to the boys in the league. In his honor, the league was renamed thePop Warner Conference.[116][117]
Today, Pop Warner Little Scholars, as the program is now known, enrolls over 300,000 young boys and girls ages 5–16 in over 5000 football andcheerleading squads, and has affiliate programs in Mexico and Japan.[117] Other organizations, such as thePolice Athletic League,[118] Upward,[119] and the National Football League's NFL Youth Football Program[120] also manage various youth football leagues.
American football is a popular sport for high schools in the United States. TheNational Federation of State High School Associations (NFHS) was founded in 1920 as an umbrella organization for state-level organizations that manage high school sports, includinghigh school football. The NFHS publishes the rules followed by most local high school football associations.[116][121] More than 13,000 high schools participate in football, and in some places high school teams play in stadiums that rival college-level facilities. InDenton, Texas, for example, a 12,000 seat, $21,000,000 stadium hosts two local high school football teams.[122] The growth of high school football and its impact on small town communities has been documented by landmark non-fiction works such as the 1990 bookFriday Night Lights and the subsequent fictionalizedfilm andtelevision series.[123]
In 1932, when futureOhio State,Cleveland Browns andCincinnati Bengals coachPaul Brown was 24 years old and barely two years out of college, he returned to be the head coach at his alma mater,Massillon Washington High School inMassillon, Ohio. His assignment was to turn around a Tigers team that had fallen into mediocrity over the six seasons since the departure of Dave Stewart, Brown's old coach. During his nine years at Massillon, Brown invented theplaybook, a detailed listing of formations and set plays, and tested his players on their knowledge of it. He also originated the practice of sending in plays to his quarterback from the sideline using hand signals.[124] His overall record at the school was 80–8–2, including a 35-game winning streak.[125][126] Between 1935 and 1940, the team won the state football championship six times and won theHigh School Football National Championship four times, outscoring opponents by 2,393 points to 168 over that span. After the early losses to archrivalCanton McKinley High School, the Tigers beat the Bulldogs six straight times.[125] The Massillon Tigers are historically the second winningest high school football team in the United States having compiled a current record of 849 wins, 277 losses, and 36 ties as of the end of the 2014 season. Along with the Canton McKinley High School Bulldogs, the Tigers represent one half of what many consider to be the greatest high school football rivalry in the nation. It is the onlyhigh school contest in America to feature odds inLas Vegas. In 125 meetings (1894–2014), Massillon leads the series 68-52-5. Massillon and their fierce rivalry with Canton are subjects of the 2001 documentary filmGo Tigers!. A total of 23 professional players, 3 NFL coaches and 14 collegiate all-Americans have graduated from Massillon High School.
Valdosta High School inValdosta, Georgia is home to the winningest high school football program in the United States with a record 893 wins, 217 losses, and 34 ties, for a winning percentage of .791% as of November 14, 2014.[127] From 1913 to 2010, the Wildcats have won 6 national championships in football, 24 state championships, and 41 regional championships.
AfterAmerican football was played at the 1932 Summer Olympics, theLos Angeles Times wrote:[1]
It remained for a spectacle listed on the program as 'American Football' to provide the Tenth Olympiad with its greatest thrill to date. Chances are the game will become an international pastime before the memory of this night game dies away.
However, this prediction was wrong because this sport didn't become popular outside the US. The sport in some ways did accelerate in popularity after World War II, especially in countries with large numbers of U.S. military personnel, who often formed a substantial proportion of the players and spectators. After World War II a four-team tournament betweenNATO allies on the west coast of Italy was played.
By 1998, theInternational Federation of American Football (IFAF), was formed to coordinate international amateur competition. At present, 45 associations from theAmericas, Europe, Asia andOceania are organized within the IFAF, which claims to represent 23 million amateur athletes.[128] Until 2007, Japan dominated amateur American football outside of the US.[129] The Japanese national team won the first two world cups—hosted by Italy in1999 and Germany in2003—defeating Mexico in the play-off on both occasions. Japan had never lost a game until it went down at home, 23–20, to theUS Amateur Team in the final of the2007 World Cup.
American football was a demonstration sport at the2005 World Games inDuisburg, Germany. Germany beat Sweden 20 to 6 in the final.
TheIFAF Women's World Championship was first held in 2010, inStockholm, Sweden, with six countries competing. The United States beat Canada 66 to 0 in the final.
A long-term goal of the IFAF is for American football to be accepted by theInternational Olympic Committee as anOlympic sport.[130] The only time that the sport was played was at the 1932 Summer Olympics in Los Angeles, but as ademonstration sport. Among the various problems the IFAF has to solve in order to be accepted by the IOC are building a competitive women's division, expanding the sport into Africa, and overcoming the current worldwide competitive imbalance that is in favor of American teams.[131]
American football has been played in Mexico since the early 1920s, and is a strong minority sport at Mexican colleges and universities, mainly inMexico City. Over successive decades, more universities and colleges joined the championship, and four categories, calledfuerzas, were created. The FirstFuerza became theNational League in 1970. In 1978, this was reorganized under the nameOrganización Nacional Estudiantil de Fútbol Americano (ONEFA).[132] The largest crowd in NFL history was recorded at theAmerican Bowl game atMexico City on August 15, 1994, when 112,376 people attended theGovernor's Cup game between theDallas Cowboys andHouston Oilers. In 1996 theAmerican Bowl was played inMonterrey at theEstadio Universitario. The firstregular season NFL game played outside the United States was held on October 2, 2005 atEstadio Azteca in Mexico City before an NFL regular-season record of 103,467 fans.
TheJapan American Football Association was founded by educator andAnglican Church in Japan lay missionaryPaul Rusch in 1934 with three collegiate teams:Rikkyo,Meiji andWaseda.[133] In 1937, an allstar game involving teams representing eastern and western Japan attracted over 25,000 spectators. Recently, theRice Bowl has drawn crowds of over 60,000.
An NFL exhibition games took place inTokyo in 1976 called the "Mainichi Star Bowl".[134] TheAmerican Bowl was held in Japan thirteen times between 1990 and 2005.

The game began to take hold inItaly afterWorld War II, with the first game between two European teams occurring between teams fromPiacenza andLegnano. A bowl game calledthe Spaghetti Bowl was played betweenFifth Army andTwelfth Air Force in Florence, Italy, on January 1, 1945.[135][136] TheGerman Football League was formed in 1979. By 1981, the first international games between European nations occurred, as a two-game series between German and Italian teams.[137]
The first European governing body, the American European Football Federation (AEFF) was formed in 1982 by representatives from Finland, Italy, Germany, Austria, and France. The league expanded in 1985 to include Switzerland, the Netherlands, and Great Britain and changed its name to the European Football League. Now known as theEuropean Federation of American Football, it now is made up of 14 member nations. Today, there are approximately 800 American football clubs throughout Europe, with theAmerican football Association of Germany (AFVD) overseeing more than 230 clubs.[137]
TheNFL International Series was inaugurated in 2007 to host NFL regular season games outside the United States. Played at the newWembley Stadium in London (rebuilt and reopened in 2007), the series increased from one to two games for the 2013 season, and then to three games from the 2014 season, then four games in 2017. Beginning in 2018, the series will move to theNorthumberland Development Project, although games may still be played at Wembley Stadium. The success of the International Series has led to speculation thatLondon will be chosen as home of an NFL franchise in the future.
American football has been played in Brazil since the 1990s. The official organization governing American football in Brazil is theAmerican Football Association of Brazil, in Portuguese Associação de Futebol Americano de Brasil (AFAB).[138]
A modern sport that derives from American football isArena football, designed to be played indoors inside ofhockey or basketball arenas. The game was invented in 1981 byJim Foster and theArena Football League was founded in 1987 as the first major professional league to play the sport. Several other indoor football leagues have since been founded and continue to play today.[139]
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