Cobbs led the Razorbacks to a 9–4 mark his redshirt senior year in 2003, and was named 1st team Southeastern Conference, after rushing for 1,320 yards and 10 touchdowns.

Cobbs was also named the Offensive MVP of the 2003 Independence Bowl, leading Arkansas to a 27–14 victory over the Missouri Tigers, rushing 27 times for 141 yards and one touchdown.

[1] After helping the Patriots win Super Bowl XXXIX as a rookie, he was released during final roster cuts on August 29, 2005.

He also attended the 2009 Pro Day at the university, joining former Razorback wide receiver Marcus Monk in attempting to make an NFL roster.

[6][7] Cobbs and another man attempted to obtain drugs by passing a forged prescription from Dr. Columbus Brown IV for 180 Roxicodones, the release states.

Records show Cobbs drove a woman to an Americas Best Value Inn & Suites at 14325 Frontier Drive in Maumelle, where she had arranged with a person who was actually an undercover police officer "to have sex for money."