Carr was a four-year starter for the Dolphins after walking on the squad as a second baseman in 1985. He set two single season and seven career records during his JU tenure.
As a senior Carr earned All-America honors by hitting .440 and leading the nation with a JU single-season record 32 doubles. The 32 doubles as well as his 83 career two-baggers, both represent Sun Belt Conference records. Also as a senior, he was named Sun Belt "Player of the Year" in 1988.
He additionally batted .476 with 59 hits, 12 doubles and 46 RBI in junior season despite missing majority of the season to a broken leg. In his sophomore campaign, Carr finished second on the team in hits (83), RBI (53) and batting average with a .336 mark while ranking first on the team with 24 doubles. As a freshman, he was the team's surprise player after batting .335 as a walk-on. Also in his freshman season, he finished second on the team runs scored (59), third in hits (81) and third with 11 stolen bases After his senior season, Carr was drafted by the Los Angeles Dodgers.