Article Photos: Oklahoma football: Offensive line depth an issue now — and for the future

COLLEGE FOOTBALL / MUG: Tony Jefferson (1) speaks to the press at a media availability for the University of Oklahoma Sooner (OU) football team following practice on Tuesday, Aug. 21, 2012 in Norman, Okla. Photo by Steve Sisney, The Oklahoman

COLLEGE FOOTBALL / MUG: Tony Jefferson (1) speaks to the press at a media availability for the University of Oklahoma Sooner (OU) football team following practice on Tuesday, Aug. 21, 2012 in Norman, Okla. Photo by Steve Sisney, The Oklahoman