Article Photos: OSU football: Clint Chelf has experience replacing an iconic quarterback -- Enid legend Austin Box 1/1

COLLEGE FOOTBALL: Clint Chelf speaks to the media during the OSU spring football press conference at Boone Pickens Stadium on the campus of Oklahoma State University in Stillwater, Okla., Monday, March 12, 2012. Photo by Nate Billings, The Oklahoman