History of Kevin O'Sullivan (baseball) in Timeline

Kevin O'Sullivan is a prominent American college baseball coach, currently leading the Florida Gators. He achieved a significant milestone by guiding the Gators to their first College World Series national championship in 2017. His tenure is marked by consistent success, including three consecutive College World Series appearances (2010-2012) and four straight (2015-2018). In 2021, he became the program's all-time winningest coach. He will serve a suspension for the first three games of the 2026 season due to misconduct in a 2025 postseason game.

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Full Timeline Career & Achievements

December 27, 1968: Kevin O'Sullivan Born

Kevin Michael O'Sullivan was born on December 27, 1968. He is an American college baseball coach and former player.

1975: Dave Fuller's Record

In 1975, Dave Fuller set the record of 557 wins which was surpassed by O'Sullivan in 2021.

1986: American Legion World Series Win

In 1986, O'Sullivan was a starter on the Jensen Beach Post 126 team that won the American Legion World Series in Rapid City, South Dakota.

1987: High School Senior Year

In 1987, during his senior year at Jupiter High School, O'Sullivan batted .438 with 17 RBIs and was an honorable-mention selection to the Florida Sportswriter's Association's Class 3A all-state team.

1989: Associate's Degree

In 1989, O'Sullivan graduated from Florida Community College with an associate's degree.

1989: State Tournament Appearance

In 1989, as a sophomore at Florida Community College, O'Sullivan batted .325 with 35 RBIs, helping lead the Stars to the state tournament.

1991: Bachelor's Degree

In 1991, O'Sullivan earned a bachelor's degree in sports medicine from the University of Virginia.

1991: All-ACC Selection

In 1991, as a senior with the Virginia Cavaliers, O'Sullivan was an All-ACC selection and named to the Atlantic Coast Conference baseball tournament All-Tournament Team.

1994: Coaching American Legion Post 271

While serving as an assistant at FAU, O'Sullivan coached American Legion Post 271 in Jupiter, Florida, to the semifinals of the 1994 state tournament.

1996: Assistant Coach at Virginia

In 1996, O'Sullivan was hired as an assistant coach at the University of Virginia.

1997: Coach of the Year

In 1997, O'Sullivan managed the Bourne Braves in the Cape Cod Baseball League and was named coach of the year.

1998: Assistant Coach for Gulf Coast Twins

In 1998, O'Sullivan served as an assistant coach for the Gulf Coast Twins (34-26), a Rookie League affiliate in Fort Myers, Florida.

1998: Assistant Coach at Clemson University

In 1998, O'Sullivan was named an assistant coach at Clemson University.

2006: Gators Failed to Receive NCAA Bid

In 2006, the Gators failed to receive an NCAA tournament bid.

June 13, 2007: Head Coaching Position at University of Florida

On June 13, 2007, O'Sullivan accepted the baseball head coaching position at the University of Florida, replacing Pat McMahon.

2008: First Season as Gators' Skipper

In 2008, O'Sullivan's first season as the Gators' skipper, the team finished 34–24 overall and in second place in the SEC Eastern Division standings.

2009: Recruiting Class Ranked No. 1

In 2009, O'Sullivan's recruiting class was ranked No. 1 in the country by Collegiate Baseball Newspaper and Baseball America, a first for Gators baseball history.

2009: First Place in SEC East

In 2009, the Gators compiled an overall record of 42–22 and finished in first place in the SEC East.

December 2010: Birth of Daughter Payton

In December 2010, O'Sullivan's daughter, Payton, was born.

2010: College World Series Appearance

In 2010, O'Sullivan led the Florida Gators to the first of three consecutive appearances in the College World Series.

2010: SEC Regular Season Champions

In 2010, O'Sullivan's Gators finished with an overall record of 47–17 and became SEC regular season champions.

2011: SEC Regular Season Co-Champions

In 2011, the Gators finished the regular season 41–15 overall and became SEC regular season co-champions with South Carolina Gamecocks and Vanderbilt Commodores.