Jermell Charlo wipes out Brian Castaño to unify all four world titles at 154lbs

Jermell Charlo had to exercise incredible patience during his quest to become the first undisputed super welterweight champion.

After a split draw in his first bout with Brian Castaño last year was followed by a three-month postponement of their rematch because of an injury for Castaño, Charlo had to wait again Saturday night because Castaño showed up late to the arena.

When the showdown finally began, Charlo survived Castaño’s early attacks and waited for the moment to pounce.

The moment arrived in the 10th round, and Charlo emphatically seized it.

Charlo became the first man to hold every 154lb title in the four-belt era when he stopped his Argentine opponent with two knockdowns in the 10th. He completed his remarkable quest by becoming just the seventh fighter to reign as the undisputed champ of any weight class since the four-belt era began in 1988.

“This is legacy,” Charlo said. “This is something that is legendary. I’m a legend. This is a beautiful thing.”

After an entertaining bout with ample toe-to-toe action, Charlo (35-1-1, 19 KOs) dropped Castaño twice in rapid succession in the 10th. Charlo leaped onto the ropes in celebration while the referee was still counting out his opponent, celebrating the addition of Castaño’s WBO super welterweight title to his WBC, WBA and IBF belts.

Charlo survived several impressive early rounds by Castaño (17-1-2) in the rematch of the fighters’ split draw 10 months ago in Texas.

“I got in my bag around the seventh round,” said Charlo, the Houston native and twin brother of middleweight champ Jermall Charlo. “I started sitting down a little bit more instead of boxing so much and moving around. I saw that he was wearing down a little bit, and I was breaking him down. I just saw my