TERENCE CRAWFORD broke down in tears after stunning Canelo Alvarez - after dispelling boxing's oldest adage.

Crawford proved the good biggun' does not in fact always beat the good littlun' as he secured a unanimous points win over Canelo .

It crowned him the undisputed super-middleweight world king with world titles now won in FIVE weight classes.

He also became the only man in boxing history to become a three-weight undisputed champ.

He said: "I'm not here by coincidence. Canelo is a great champion, I have to take my hat off to him, he's a great competitor and I have great respect for him. He fought like a champion."

Over 70,000 packed into the Las Vegas Raiders' Allegiant Stadium - with the majority in support of Canelo.

Crawford - boxing's greatest switch-hitter - came out as

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