OU's Kenny Stills criticizes OSU's Justin Blackmon on Twitter - Article Photos 13/20

OSU's Justin Blackmon walks to the stadium during the Spirit Walk before the college football game between the Oklahoma State Cowboys (OSU) and the Nebraska Huskers (NU) at Boone Pickens Stadium in Stillwater, Okla., Saturday, Oct. 23, 2010. Photo by Nate Billings, The Oklahoman