Oklahoma State football: No one knew how bad of an injury J.W. Walsh had suffered until Sunday - Article Photos 20/37

A pass intended for Oklahoma State's Josh Stewart (5) falls incomplete as Iowa State's Jacques Washington (10) defends 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. Washington was called for a foul on the play. Photo by Nate Billings, The Oklahoman