Trainer Abel Sanchez says Terence Crawford "belongs" at welterweight and junior middleweight, not battling Canelo Alvarez for his undisputed 168-lb

Canelo Alvarez enters the ring to face off against Terrence Crawford in a Netflix mega-boxing event. Here is all to know ahead of the bout.

Though they are both well into their 30s, Canelo Alvarez and Terence Crawford are still two of the best in boxing. They fight each other Sept. 13.