Terence Crawford defeated Canelo Álvarez by unanimous decision on the event date 2025-09-13, becoming the undisputed super middleweight champion and, according to the supplied report, only the second fighter ever to become undisputed in three weight classes.

The result is significant not just because Crawford won but because of what the victory completed. A unanimous decision means all three judges saw the fight in Crawford's favor, a rare clean outcome in a championship bout of this scale. The report says the win made him the undisputed champion at 168 pounds, which means he left no major title belt in the division outside his control.

The source also places the achievement in historical context by noting that Crawford became the second ever three-weight undisputed boxing champion. That is a distinction that frames the bout as more than a single-night upset or a routine title defense. It positions the win as a career-defining addition to a résumé already expected to sit among the sport's best.

The report does not supply round-by-round detail, punch totals or knockdowns, so those are left out. What matters for the record is the outcome itself and the status change it created. When a fighter beats an opponent of Álvarez's profile by unanimous decision, the result tends to reshape not only division politics but also the wider debate over pound-for-pound greatness.

Crawford's path to this point matters because undisputed status in boxing is hard to achieve at one weight class and harder still across multiple divisions. The phrase "undisputed" means the fighter has consolidated the major belts, removing the normal fragmentation that defines the sport. Doing that in a third division is why the report emphasizes the historical nature of the win rather than presenting it as just another title defense.

For Álvarez, the loss is equally clear: he entered the bout as the reigning champion and left without the undisputed claim. For Crawford, the event date marks another step into a small category of boxers whose championship record is measured not only by belts won but by the level of historical exclusivity they reached.

Undisputed status matters in boxing because it removes the argument over which belt matters most. When one fighter leaves with all the major titles, the division has a single recognized ruler rather than a cluster of competing claimants. That is why a unanimous decision over a champion of Álvarez's stature becomes more than a line on a record sheet. It is a consolidation of power.

The report does not give a tactical breakdown, but the result alone is enough to show how the fight will be remembered: Crawford did not merely edge a close bout, he won on every scorecard and converted that into a historical title milestone. In a sport where reputations can outlast belts, that combination tends to keep echoing long after the event date.

The victory also matters because boxers of Crawford's caliber are often judged by how completely they remove doubt from a major fight. A unanimous decision over Álvarez does that better than a narrow split result would have. It tells the sport that the winner was not merely favored on paper but was favored by every ringside judge once the rounds were done.