“Sometimes you try and your body just can’t take it anymore,” Álvarez said.

On Saturday, Crawford became the first three-division undisputed boxing champion of the four-belt era, overcoming his status as a marginal underdog to beat super middleweight champ Canelo Alvarez.

Crawford (42-0, 31 KO) became the new undisputed super middleweight world champion, his third time as an undisputed champion of a division and the fifth weight class in which he’s won a world title.