Article Photos: Oklahoma State football: Let Clint Chelf keep competing for the starting job 22/63

Oklahoma State's Tyler Johnson (40) pulls down Purdue's Robert Marve (9) during the Heart of Dallas Bowl football game between the Oklahoma State University (OSU) and Purdue University at the Cotton Bowl in Dallas,  Tuesday,Jan. 1, 2013. Photo by Sarah Phipps, The Oklahoman