Article Photos: Oklahoma football: New offensive philosophy debuts alongside Sooners' quarterback Trevor Knight 9/72

Fans walk slowly in the over 100 degree  heat before the college football game where the University of Oklahoma Sooners (OU) play the University of Louisiana Monroe Warhawks at Gaylord Family-Oklahoma Memorial Stadium in Norman, Okla., on Saturday, Aug. 31, 2013. Photo by Steve Sisney, The Oklahoman