Article Photos: OU football notebook: Cornerback Zack Sanchez impresses at scrimmage 2/2

Aiden Haley, left, age four, of Oklahoma City, watches as Oklahoma defensive back Zack Sanchez, right,  signs his football during Meet the Sooners Day prior to media day in Norman, Okla., Saturday, Aug. 3, 2013. (AP Photo/Sue Ogrocki) ORG XMIT: OKSO102