Diehl with the New York Giants in 2013 | |||||||||
| Memphis Tigers | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Title | Assistant offensive line coach | ||||||||
| Personal information | |||||||||
| Born | (1980-09-15)September 15, 1980 (age 45) Chicago, Illinois, U.S. | ||||||||
| Height | 6 ft 6 in (1.98 m) | ||||||||
| Weight | 310 lb (141 kg) | ||||||||
| Career information | |||||||||
| High school | Brother Rice (Chicago) | ||||||||
| College | Illinois | ||||||||
| NFL draft | 2003: 5th round, 160th overall pick | ||||||||
| Career history | |||||||||
Playing | |||||||||
Coaching | |||||||||
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| Awards and highlights | |||||||||
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| Career NFL statistics | |||||||||
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David Michael Diehl (/ˈdiːl/; born September 15, 1980) is a Croatian-Germancollege football coach and former professional player who spent his entire career as anoffensive lineman with theNew York Giants of theNational Football League (NFL). He is the assistantoffensive line coach for theUniversity of Memphis, a position he has held since 2024. He was the Giants starting left tackle on twoSuper Bowl championship teams. He playedcollege football for theIllinois Fighting Illini. The Giants selected him in the fifth round of the2003 NFL draft.
Diehl was born inChicago, Illinois, on September 15, 1980. He is ofCroatian descent on his mother's side, and ofGerman descent on his father's side.[1][2][3][4][5] When he was younger Diehl and his family frequently visited local Croatian churches and clubs in Chicago.[5] He strengthened hisCroatian-American ties after he moved to New Jersey, where the local Croatian community often have him as a visitor. He has the Croatian coat of arms as well as "neuništiv", theCroatian word for indestructible, tattooed on his left arm.[6]
Diehl attended Catholic schools, including St. Linus Grammar School inOak Lawn, Illinois, andBrother Rice High School in Chicago, where he starred on the football, wrestling, and track teams.[citation needed]
Diehl attended theUniversity of Illinois at Urbana–Champaign, where he played for theIllinois Fighting Illini football team. He became a second-teamAll-Big Ten Conference selection as a senior in 2002. Recipient of the Wright Commitment to Excellence Award, presented to the Illinois player who has dedicated himself to academic excellence despite obstacles faced during his collegiate career. Started every game at left offensive guard, registering 91 knockdowns for an offense that featured its first 1,000-yard rusher (Antoineo Harris) and 1,000-yard receiver (Brandon Lloyd) in the same season since 1984. Helped offense total 5,356 yards. In 2001, saw action at both guard and tackle. Registered 56 knockdowns as he participated in 385 plays for an offense that gained 5,041 yards as the line allowed only 16 quarterback sacks (second in the Big Ten). In 2000, was valuable reserve, seeing action in every game at right guard. Made 15 knockdowns as he participated in 43 plays. In 1999: Played in 6 games on the field goal and extra point protection units. He was redshirted as a freshman in 1998.
| Height | Weight | Arm length | 40-yard dash | 10-yard split | 20-yard split | 20-yard shuttle | Three-cone drill | Vertical jump | Broad jump | Bench press | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6 ft5+3⁄4 in (1.97 m) | 310 lb (141 kg) | 33+3⁄4 in (0.86 m) | 5.32 s | 1.83 s | 3.07 s | 4.97 s | 8.10 s | 28 in (0.71 m) | 8 ft 0 in (2.44 m) | 22 reps | ||
| All values fromNFL Combine[7] | ||||||||||||
Diehl was drafted by the Giants in the fifth round of the2003 NFL draft with the 160th overall selection.[8]
In his rookie season, Diehl started all 16 games, becoming the first Giants rookie to do so sinceMark Bavaro in 1985. He was one of 14 NFL rookies to start all 16 games in 2003 and was the only rookie to start at the same position (right guard) each game during the 2003 season.
In 2005, Diehl played another position, starting 15 regular season games at left guard and 1 game at right tackle. That season,Tiki Barber rushed for a franchise-record 1,860 yards, andEli Manning passed for 3,762 yards, the 5th-highest total in franchise history.
The Giants signed Diehl to a six-year, $31 million contract in May 2008.[9]

At the end of the 2009 season, Diehl was elected to the 2010 Pro Bowl as a Super Bowl Participant replacement.[10]
Diehl moved from left tackle to right tackle following the release ofRich Seubert andShaun O'Hara and the signing ofDavid Baas.[11] He had started every game of his NFL career until 2010, when he tore his hamstring and suffered a partially dislocated hip.[12]
At the end of the 2011 season, Diehl and the Giants appeared inSuper Bowl XLVI. He started in the game as the Giants defeated theNew England Patriots by a score of 21–17.[13]
On August 21, 2013, the New York Giants announced that Diehl will undergo surgery to repair his injured right thumb.[14] The recovery time was expected to be approximately six weeks.[14] On January 24, 2014, Diehl announced his retirement after 11 seasons.[15]
On August 6, 2014, it was announced Diehl had been hired to work as acolor analyst for NFL games onFox. He teamed withThom Brennaman as the number #4 team on these telecasts for 2014. During the 2015 season, Diehl worked fewer regular season games because former lead college football on Fox analystCharles Davis took his place alongside Brennaman. (It was supposed to beDonovan McNabb, but he was arrested for a DUI in July 2015, leading Fox to make this change.Joel Klatt replaced Davis on college football telecasts with Davis's former partner, Gus Johnson). Diehl would move two spots down to the number #6 team to team withDick Stockton and replacing Stockton's former partnersBrady Quinn, Kirk Morrison, and McNabb.[16] For the 2016 and 2017 seasons, Diehl moved down to the #7 crew, where he was teamed with Sam Rosen. In 2017, Diehl joined CBS Sports Network as a college football analyst.
In May 2022, Diehl announced that he would be joining the coaching staff atMemphis, working for head coachRyan Silverfield as an offensive analyst. This is Diehl's first collegiate coaching position.[17]

Diehl is of mixedGerman andCroatian descent. HisCroat origins are from his maternal grandparents. His grandmother, Lucija Semanic (born Lucia Šamanić) was born in the US to parents fromKrk inCroatia,[18] while his grandfather, Ante Bekavac, emigrated to United States fromLovreć.[18] He has a tattoo of theCroatian coat of arms on his left arm.[4] Diehl stated his favorite tattoo is his Croatian coat of arms. He visited Croatia in June and July 2011, in search of his roots.[5]
Diehl played at the University of Illinois, and is a fan of the university's former symbol,Chief Illiniwek. During player introductions on TV, he states his school as "University of Chief Illiniwek." He also has an image of Chief Illiniwek tattooed on his arm.[19]
Diehl received the Wellington Mara NFL Man of the Year Award May 22, 2012, at the annual Boys Hope Girls Hope Dinner.[20]
On the morning of June 11, 2012, Diehl was arrested for suspicion of drunk driving after hitting several parked cars. Diehl was purportedly watching a Croatian soccer game with friends at a bar in Astoria, Queens, NY.[21]