LAS VEGAS (May 15, 2019) – Veteran mixed-martial-arts fighter Joe “Diesel” Riggs will make his professional boxing debut May 23rd on a card presented by Roy Jones Jr. (RJJ Boxing) Boxing Promotions, to be streamed on UFC FIGHT PASS®, starting at 10 p.m. ET / 7 p.m. PT, live from Casino Del Sol’s

TUCSON, AZ – It was a night full of knockouts at the Casino Del Sol’s AVA Amphitheater. In the main event, Welterweight prospect Emanuel Robles (15-0, 5 KOs) kept his undefeated record in tact when he prompted a referee stoppage against his opponent, Pipino Cuevas Jr. Robles was in control