Radio today welcomes to the show MMA referee Herb Dean, who officiates Saturday at UFC on FOX. MMA lightweight Dominique Robinson also stops by the studio, comedian Joey Coco Diaz calls in, and Tuff-N-Uff promoter Jeff Meyer and some fighters from this weekend’s card drop by. Radio airs from noon to 2 p.m. ET (9-11 a.m. PT) live from Mandalay Bay Resort & Casino in Las Vegas. Listen to and watch a video stream of the two-hour show at