OSU football: Tonight, it's about the 'D' - Article Photos 1/10

Jeray Chatham brings down Alexander Robinson with the help of Orie Lemon (41) at the Oklahoma State University ( OSU) college football game against Iowa State University (ISU) at Boone Pickens Stadium in Stillwater, Okla. Saturday November 1, 2008. PHOTO BY DOUG HOKE, THE OKLAHOMAN