Article Photos: Oklahoma football: Why Zack Sanchez is a symbol of the Sooners' defense 2/4

 Oklahoma's Zack Sanchez (15) returns a interception as Alabama's Amari Cooper (9) and Arie Kouandjio (77) chase him down during the NCAA football BCS Sugar Bowl game between the University of Oklahoma Sooners (OU) and the University of Alabama Crimson Tide (UA) at the Superdome in New Orleans, La., Thursday, Jan. 2, 2014.  Photo by Sarah Phipps, The Oklahoman