Mann established himself as one of the most acclaimed players in Belmont men's basketball history. Under-recruited out of Hargrave Military Academy, Mann would be a central figure in four consecutive conference championship teams.
 
Mann and teammate Blake Jenkins won 109 games from 2011-14 – the most during a four-year stretch of Belmont's NCAA Division I era – and went 50-2 at the Curb Event Center. Belmont won consecutive conference titles in the Atlantic Sun Conference and the Ohio Valley Conference and earned NCAA Tournament appearances in 2011, 2012 and 2013. The 2011 team went 30-5, led the nation in scoring margin and finished No. 23 in the Ken Pomeroy rankings, while the 2013 earned a No. 11 seed in the NCAA Tournament and finished with a program-best final RPI ranking of 24.
 
Mann ranks 10th on Belmont's NCAA Division I era career scoring list with 1,509 points; his 660 points as a senior rank second on the single-season scoring list, to Atlanta Hawks guard Dylan Windler. Mann made his greatest impact as a senior, leading the Bruins to 26 victories and another Ohio Valley Conference championship. Belmont earned two Postseason NIT victories, before coming one possession away from reaching Madison Square Garden and the Postseason NIT semifinals.
 
However, it was his unforgettable performance at six-time National Champion North Carolina that largely defined his career; Mann scored 28 points – including nine points in the final 1:03 of the game – and hit the game-winning shot as Belmont defeated the Tar Heels, 83-80. It was Roy Williams' second-ever non-conference home loss at North Carolina and ended the Tar Heels 66-game home court win-streak against non-conference opponents.
 
Mann would be named 2014 Associated Press All-America Honorable Mention, OVC Player of the Year and Tennessee Sports Writers Association Men's Basketball Player of the Year. The Smyrna, Georgia native was also named Academic All-America and received the OVC Steve Hamilton Award for his record of athletic, academic and community service.
 
Mann, who attended hundreds of home athletic events to support fellow Bruin student-athletes, just completed his 10^th season of professional basketball, playing for Romerstrom Trier in Germany.