Chiesa vs. Lee to Headline in OKC

The UFC’s first event in Oklahoma City since 2009 now has a main event, as lightweight contenders Michael Chiesa and Kevin Lee collide at Chesapeake Energy Arena on Sunday, Jun. 25.In previously announced bouts for the FS1-televised card, UFC Hall of Famer BJ Penn continues his comeback with a bout against German powerhouse Dennis Siver, former 170-pound champion Johny Hendricks will attempt to lock up his second win in the middleweight class when he faces dangerous veteran Tim "The Barbar