Article Photos: Brandon Chatmon: OSU's defense will be among best in Big 12 in 2011 10/12

The OSU Cowboys, including Quinn Sharp (13) and Wes Harlan (11), warm up during Oklahoma State spring football practice at Boone Pickens Stadium in Stillwater, Okla., Monday, March 7, 2011. Photo by Nate Billings, The Oklahoman