Ranking Oklahoma's position groups

Senior Damien Williams is one of a deep stable of Oklahoma running backs that are capable of making an impact for the Sooners this season. AP Photo/Cal Sport Media

It's an unusual role for Bob Stoops' program as Oklahoma prepares for 2013 season with minimal expectations to insert itself into the BCS title hunt. The Sooners have several talented, deep position groups and other position groups full of uncertainty. Here's a look at OU's position groups ranked from strongest to weakest.