VIDEO: CASIMERO EDGES BY RIGONDEAUX, RETAINS WORLD TITLE

WBO Bantamweight World Champion John Riel Casimero defeated two-division champion Guillermo Rigondeaux to retain his title Saturday night live on SHOWTIME headlining a Premier Boxing Champions event from Dignity Health Sports Park in Carson, California.   A three-division world champion, Casimero (31-4, 21 KOs) made his second successful title defense at 118-pounds, earning a career-best…