For the first time in 15 years, the Ultimate Fighting Championship is on its way back to Oklahoma. Not since UFC 4 saw the legendary Royce Gracie defeat fellow Hall of Famer Dan Severn in 1994 has the world’s greatest mixed martial arts organization put on a show in the Sooner State. Headlining this event at the Cox Convention Center in Oklahoma City will be a lightweight doubleheader that is guaranteed to shake up the 155-pound weight class. In the main event, The Ultimate Fighter season five winner Nate Diaz will square off against Louisiana knockout artist Melvin Guillard, while the highly-anticipated co-feature sees the return of Roger “El Matador” Huerta against unbeaten contender Gray “The Bully” Maynard. See the action LIVE on SPIKE TV at 7pm CT / 8pm ET and PT.