Another Saturday, another big boxing match. The tremendous run of big boxing matches continues on Saturday night at Dignity Health Sports Park in Carson, CA. Topping a Showtime Championship Boxing tripleheader is an undisputed junior middleweight title rematch between WBA, WBC, and IBF champion Jermell Charlo (34-1-1, 18 KOs) and WBO champion Brian Castano (17-0-2, 12 KOs). Last year these two fought to a fairly controversial draw in what was undoubtedly one of 2021’s best fights. There is no definitively telling which way the rematch will go, but we’re glad it’s happening and at a venue known for hosting many…