Article Photos: Oklahoma football: Landry Jones gets chance to prove himself at OU Pro Day

Trevor Knight, Kendal Thompson, and Blake Bell throw during Sooner spring football drills at University of Oklahoma (OU) on Tuesday, March 12, 2013 in Norman, Okla. Photo by Steve Sisney, The Oklahoman

Trevor Knight, Kendal Thompson, and Blake Bell throw during Sooner spring football drills at University of Oklahoma (OU) on Tuesday, March 12, 2013 in Norman, Okla. Photo by Steve Sisney, The Oklahoman