Article Photos: OU report card: Sooners second-half defense stellar; First half not so much 1/60

Kansas' Anthony Davis (30) tries to stop Oklahoma's Jaz Reynolds (16) during the college football game between the University of Oklahoma Sooners (OU) and the University of Kansas Jayhawks (KU) on Saturday, Oct. 15, 2011. in Lawrence, Kan. Photo by Chris Landsberger, The Oklahoman