He then went on to a minor league career, reaching Triple-A and playing in spring training games with his brother Jamey Carroll.
In 1999, Carroll led the team in doubles (17) and assists (179), earning an All-MVC Honorable Mention selection in the process.
During his junior season, Carroll led the team with three triples and 152 assists and was given an All-MVC Honorable Mention selection again.
Carroll played 99 games with the Brevard County Manatees while also being called up to Double-A Harrisburg for the first time.
He attended the Nationals 2005 spring training, playing two games with his brother Jamey Carroll before retiring ahead of the season.
Before the start of the 2006 season, Carroll was hired as the assistant coach of the Evansville Purple Aces baseball program.
Evansville would then play host to the Dunn Hospitality Diamond Classic and Carroll's first career win would be against Butler during the opening night of the tournament on February 27.
They would drop the second game to Saint Louis, but the final day of the tournament was canceled due to cold weather.
Freshman Kenton Deverman would pick up his ninth victory of the season after he pitched eight three-hit innings in the 4–1 win.
In their matchup against VCU in the next round, Evansville launched four home runs in an offensive battle, holding on to win 17–11.
Carroll's team would finish the year with a 39–27 record and one win away from their first-ever Men's College World Series birth.
Deverman was named MVC Freshman of the Year, marking the first Evansville player to do so since Eric Stamets won the award in 2010.
Mark Shallenberger tied for second place in the MVC Player of the Year voting and was named to the All-MVC first team along with Deverman.
Carroll would be named ABCA/ATEC Midwest Regional Coach Of The Year after leading the Aces to their highest ranking in school history.