Article Photos: Mack Brown has no answers as to why Sooners overwhelm Longhorns 91/127

OU's Corey Nelson (7) brings down UT's Johnathan Gray (32) during 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. Photo by Chris Landsberger, The Oklahoman