Article Photos: OU football: Irish defense will test the Sooner run game 2/4

Oklahoma running back Brennan Clay (24) is congratulated by offensive lineman Gabe Ikard (64) and fullback Trey Millard (33) following his touchdown against Tulsa in the first quarter of an NCAA college football game in Norman, Okla., Saturday, Sept. 14, 2013. (AP Photo/Sue Ogrocki) ORG XMIT: OKSO109