Rudie Obias editor If you purchase an independently reviewed product or service through a link on our website, Variety may receive an affiliate commission. The boxing world has four title bouts in Nevada on Saturday, May 4 with the headliner match between Mexican boxers Saúl “Canelo” Álvarez (60-2-2) vs. Jaime Munguía (43-0) for the undisputed super middleweight title.