Article Photos: Oklahoma football: Aaron Colvin, Sooners defense step up in victory 2/53

OU's Justin Brown (19) tries to haul in a pass for a touchdown in the second quarter during a college football game between the University of Oklahoma (OU) and Texas Tech University at Jones AT&T Stadium in Lubbock, Texas, Saturday, Oct. 6, 2012. The pass was incomplete. Photo by Nate Billings, The Oklahoman