Oklahoma football: Casey Walker didn't know about seven-DB scheme - Article Photos 1/2

CELEBRATION: OU quarterback Landry Jones (12) celebrates with fans after the Red River Rivalry college football game between the University of Oklahoma (OU) and the University of Texas (UT) at the Cotton Bowl in Dallas, Saturday, Oct. 13, 2012. OU won, 63-21. Photo by Nate Billings, The Oklahoman