The Nevada State Athletic Commission has selected veteran referee Robert Byrd to be the third man in the ring when This content is protected This content is protected Cotto This content is protected (35-2, 28KOs) defends his WBA junior middleweight belt versus former champion Ricardo Mayorga (29-7, 23KOs) at the MGM Grand in This content is protected This content is protected Vegas This content is protected on March 12th. Duane Ford and Jerry Roth of Las Vegas have been tabbed to be judges along with Chris Wilson of Arizona. Cotto vs. Mayorga is the main event of a Showtime pay-per-view.