Oklahoma started the college football year as a favorite to play in the BCS Championship Game. Texas entered the 2011 season just looking to be Texas again and rebuild from a 5-7 campaign that led to a shakeup of Mack Brown’s coaching staff.

They're the teams within the team - those cohesive little units bound together by their shared responsibilities within the larger team context.

Whether it's the offensive linemen firing off time after time into those familiar blocking sleds, or the defensive linemen drilling repeatedly on how to shed blockers, or the defensive backs breaking on ball after ball - these teams in miniature hone their tasks on the practice field until those tasks become second nature.