Sims lettered in football, basketball and track at Park City High School (Utah).
[1] Sims played two years at the University of Utah after transferring there from Dixie Junior College where he was named "Most Improved Player."
He started the entire 2004 season at left tackle and was co-recipient of the 2004 Commitment to Excellence Award which exemplifies the Pride and Spirit of the Oakland Raiders.
During the 2007 season, Sims competed with top draft pick Robert Gallery to regain his position as the starter at left tackle.
On February 29, 2008, Sims was subsequently released by the Raiders to meet upcoming salary cap requirements.