Article Photos: OSU report card: Hard to give good marks in Cowboys worst performance 7/32

Oklahoma State's' Justin Blackmon (81) is brought down by Iowa State's Leonard Johnson (23) during a college football game between the Oklahoma State University Cowboys (OSU) and the Iowa State University Cyclones (ISU) at Jack Trice Stadium in Ames, Iowa, Friday, Nov. 18, 2011. Photo by Bryan Terry, The Oklahoman