Article Photos: Oklahoma football: OU's Tom Wort and Texas A&M's Johnny Manziel have tangled before

OU COLLEGE FOOTBALL: Tom Wort (21) speaks with the media during the Meet the Sooners event at the University of Oklahoma on Saturday, Aug. 4, 2012, in Norman, Okla. Photo by Steve Sisney, The Oklahoman

OU COLLEGE FOOTBALL: Tom Wort (21) speaks with the media during the Meet the Sooners event at the University of Oklahoma on Saturday, Aug. 4, 2012, in Norman, Okla. Photo by Steve Sisney, The Oklahoman