Oklahoma State football: No one knew how bad of an injury J.W. Walsh had suffered until Sunday - Article Photos 25/37

Oklahoma State's J.W. Walsh (4) is scrambles as he is pressured by Iowa State's Jeremiah George (52) during a college football game between Oklahoma State University (OSU) and Iowa State University (ISU) at Boone Pickens Stadium in Stillwater, Okla., Saturday, Oct. 20, 2012. Photo by Sarah Phipps, The Oklahoman