Article Photos: OSU football notebook: Mike Gundy calls TCU 'most challenging team that we've played' so far 1/1

Oklahoma State head coach Mike Gundy argues a call at the end of the first half of a college football game between the Oklahoma State University Cowboys (OSU) and the Kansas State University Wildcats (KSU) at Boone Pickens Stadium in Stillwater, Okla., Saturday, Oct. 5, 2013. OSU won 33-29.Photo by Sarah Phipps, The Oklahoman