FILE - In this Saturday, Sept. 23, 2017, file photo, Oklahoma running back Abdul Adams (23) breaks away to score a touchdown against Baylor safety Taion Sells (2) during the first half of an NCAA college football game in Waco, Texas. It&#039;s not quite the tandem of Samaje Perine and Joe Mixon, but Oklahoma&#039;s running back combination of Abdul Adams and Trey Sermon is getting the job done. (AP Photo/LM Otero, File)