Roberson played in college at Kansas State University and had a brief career with the Montreal Alouettes in the Canadian Football League (CFL).
[1] After a standout career at Robert E. Lee High School in Baytown, Texas, Roberson was a top recruit of Kansas State and Bill Snyder, who was an advocate of fast, mobile quarterbacks.
[3] Roberson led the Wildcats to a successful season, winning the 2002 Holiday Bowl against Arizona State and finishing #6 in the polls.
[4][5] In 2003, the Wildcats entered the season ranked #7 in the top 25, in part due to the strong play by Roberson and running back Darren Sproles.
In the early morning hours of New Year's Day, 2004, police were called to the Kansas State team hotel in Paradise Valley, Arizona, by a woman who accused Roberson of sexually assaulting her.