Article Photos: Oklahoma State football: Tougher tests are ahead for Cowboys, like Saturday at Arizona 19/43

OSU's Calvin Barnett (99) brings down Lereginald Veals (30) of Savannah State during a college football game between Oklahoma State University (OSU) and Savannah State University at Boone Pickens Stadium in Stillwater, Okla., Saturday, Sept. 1, 2012. Photo by Nate Billings, The Oklahoman