Crawford won all four belts in the super middleweight division. He outboxed Alvarez from start to finish, showing off his sharp movement and smart tactics. The judges all agreed Crawford was the winner.
This fight was a big deal for a few reasons. It was the first time Zuffa Boxing showed a match on Netflix. And Crawford proved he could beat a bigger, stronger opponent like Alvarez.
Before this, Crawford was already undisputed champ at lightweight and welterweight. Now he's added super middleweight to that list. He stayed calm and focused the whole fight, picking apart Alvarez bit by bit.
Alvarez came into the fight as boxing's biggest star. He held all four belts at super middleweight. But after losing them all to Crawford, he might need to think about fighting in a lower weight class.
The fight got a lot of attention from famous people too. Floyd Mayweather Jr. bet $50,000 on Crawford to win. He posted a picture of his winning ticket on Instagram, showing he made $124,000.
Actor Jason Statham also picked Crawford to win. He said Alvarez was a "genius" but he trusted Crawford more. On the other hand, Bryce Hall lost $200,000 betting on Alvarez.
This match will be remembered as one of boxing's biggest moments in a long time. Thousands of fans couldn't believe what they saw as Crawford took down a champion many thought couldn't be beaten.