Three-belt unified world champion Jermell Charlo and fellow world champion Brian Castaño meet in a rematch of one of 2021’s best fights as they again seek to become the first ever undisputed 154-pound champ in the four-belt era. In an instant classic, the two champions fought to a spirited draw in July. Each fighter believed he had done enough to have his hand raised and will look to leave no doubt in the rematch. Plus, Philadelphia’s rising welterweight star Jaron Ennis vs. unbeaten Custio Clayton in the co-main event. Live on SHOWTIME.