As a freshman, Jerrells started every game and led the team in scoring, assists, steals and minutes played.

In his sophomore season, Jerrells again started every game and led the team in scoring, assists and minutes.

He was named 2007 All-Big 12 honorable mention by league's coaches and media and was chosen to 2007 Big 12 Championship All-Tournament team.

Jerrells was signed by the San Antonio Spurs on March 24, 2010, but immediately reassigned to their affiliate Austin Toros.

[1] His play during the 2010–11 preseason caught the eye of the New Orleans Hornets general manager Dell Demps, who previously worked as a scout and executive for the Spurs.

On November 27, 2010, he moved to Europe and signed a contract until the end of the 2010–11 season with the Serbian team Partizan Belgrade.

[8] In March 2013, Jerrells was signed by the Sioux Falls SkyForce and subsequently traded to the Maine Red Claws for center Chris Ayer.

[19] On March 3 he was replaced by Jaime Smith, the Sassari head coach, Gianmarco Pozzecco, explained that it was his decision based on technical choices.