In 2017, as a freshman at Texas Tech, Jung started all 62 games at third base, batting .306 with six home runs and 43 RBIs.[3] He was named the Big 12 Freshman of the Year[4] and was named a Freshman All-American by multiple outlets includingCollegiate Baseball[5] and Perfect Game/Rawlings.[6] He was also named to the All-Big 12 Freshman Team and the All-Big 12 Second Team.[7] That summer, he played in theCalifornia Collegiate League[8] where he hit .368 with two home runs, 31 RBIs, and a .454on-base percentage over 117at-bats.[9] As a sophomore in 2018, Jung once again started all 65 of Texas Tech's games at third base, hitting .392/.491/.639 with 12 home runs and 80 RBIs.[10] He was named to the All-Big 12 First Team,[11] and was once again named an All-American by outlets such asBaseball America andCollegiate Baseball.[12][13][14] He played for theUSA Baseball Collegiate National Team that summer.[15]
Jung was named a preseason All-American by Perfect Game,Baseball America, D1Baseball.com, andCollegiate Baseball prior to his junior year.[16] During the season, he missed two games due to a quadricep strain, ending his streak of 139 consecutive starts.[17] After returning, he moved toshortstop.[18] He was named the 2019 Big 12 Co-Player of the Year (along withBaylor'sDavis Wendzel) after batting .333 with nine home runs and 49 RBIs through 49 games.[19] He was named an All-American byBaseball America, D1Baseball.com, Perfect Game,ABCA, andNCBWA.[20][21][22] Jung was the recipient of the 2019Bobby Bragan Collegiate Slugger Award, which honors the top Division I baseball player within Texas, Arkansas, Louisiana, New Mexico and Oklahoma each season.[23] Jung finished his junior year hitting .343/.474/.636 with 15 home runs and 58 RBIs in 64 games.[24]
Considered one of the top prospects for the2019 MLB draft,[25] he was selected by theTexas Rangers in the first round, with the eighth overall pick.[26]
On July 3, 2019, Jung signed with the Rangers for a $4.4 millionsigning bonus.[27] On July 10, 2019, Jung made his professional debut with theArizona League Rangers of theRookie-levelArizona League, hitting a home run in his first professionalat-bat.[28] On July 15, Jung was promoted to theHickory Crawdads of theClass ASouth Atlantic League and hit .287/.363/.389/.752 with one home run and 23 RBIs over forty games for them.[29] Jung did not play a minor league game in 2020 due to the cancellation of the minor league season caused by theCOVID-19 pandemic. On March 20, 2021, it was announced that Jung would undergo surgery to repair a stress fracture in his foot and miss six to eight weeks.[30] He was activated on June 15 and assigned to theFrisco RoughRiders of theDouble-A Central.[31] After hitting .308/.366/.544 with ten home runs and forty RBIs over 43 games, he was promoted to theRound Rock Express of theTriple-A West in mid-August.[32] Over 35 games with Round Rock, Jung hit .348/.436/.652 with nine home runs, 21 RBIs, and 14 doubles.[33]
Jung entered the 2022 season as the ninth ranked overall prospect in baseball byFanGraphs,[34] and the 26th overall prospect byBaseball America.[35] On February 23, 2022, Jung underwent surgery to repair atornlabrum in his left shoulder.[36] Jung returned to game action at the end of July, first appearing in eight rehab games for the Arizona Complex League Rangers, before returning to Round Rock in August.[37] Over 23 games with Round Rock, he hit .273 with six home runs and 24 RBIs.[38]
On September 9, 2022, the Rangers selected Jung's contract from Triple-A and promoted him to the major leagues. He made his MLB debut that night and in his very first at-bat,he hit a home run off ofRoss Stripling of theToronto Blue Jays. The feat made him only the second Rangers player to do so alongsideJurickson Profar.[39] Jung appeared in 26 games for Texas in 2022, hitting .204/.235/.418/.654 with five home runs and 14 RBI over 102 plate appearances.[40]
Jung was named the AL Rookie of the Month in April 2023 after leading AL rookies in hits (27), home runs (6), and total bases (44). His 21 runs batted in (RBI) were the most among all rookies.[41] He followed that up by winning AL Rookie of the Month for May 2023.[42] Jung was voted in as theAmerican League starting third baseman for the2023 Major League Baseball All-Star Game.[43] Jung became the first rookie to start in an All-Star game as a Texas Ranger.[44] He won the World Series with the Rangers in 2023.
After playing in just four games, Jung suffered a fractured wrist following a hit by pitch, and was ruled out for 8–10 weeks after undergoing surgery.[45] He was activated from the injured list on July 29, 2024.[46] Jung finished the season with 46 games played, hitting .264/.298/.421/.719, tallying 7 home runs and 16 RBIs.[47]
Jung was optioned to AAA on July 3rd. Back in the Rangers line-up, on August 4 Jung hit a 3-run, walk-off home run in the bottom of the 10th inning for a "gut punch" victory over the visitingNew York Yankees.[48]
Jung is a Christian.[49] His parents, Jeff and Mary Jung, are both teachers in theNorth East Independent School District.[50] Jung's younger brother,Jace Jung, played college baseball at Texas Tech and was a first-round draft pick in 2022.[51]