Article Photos: Oklahoma football: Sooner defense finally has its day in 24-17 win at TCU 13/58

Coaches signal defenses with cards during the second half of the college football game where the University of Oklahoma Sooners (OU) defeated the Texas Christian University Horned Frogs (TCU) 24-17 at Amon G. Carter Stadium in Fort Worth, Texas, on Saturday, Dec. 1, 2012. Photo by Steve Sisney, The Oklahoman