Saul 'Canelo' Alvarez and Terence Crawford face off onstage during a press conference before their super middleweight world title bout in Las Vegas, Nevada

Saul 'Canelo' Alvarez and Terence Crawford face off onstage during a press conference before their super middleweight world title bout in Las Vegas, Nevada

Saul "Canelo" Alvarez stands in the way of Terence Crawford's bid for boxing history Saturday when they clash in Las Vegas for Alvarez's undisputed super middleweight world title.

Crawford, a four-division champion, is jumping up two weight divisions in a bid to become the first male boxer to become an undisputed champion in three different categories.

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