Article Photos: Oklahoma football notebook: Why Texas didn't kick the final extra point against OU

OU's Damien Williams (26) looks to get past UT's Mykkele Thompson (2) 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

OU's Damien Williams (26) looks to get past UT's Mykkele Thompson (2) 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