Mayweather defeats Cotto

Mayweather defeats Cotto

Mayweather defeats Cotto

Robert Beck/SI

Floyd Mayweather took away Miguel Cotto's 154-pound title with a unanimous decision Saturday night in Las Vegas.

Mayweather defeats Cotto

Getty Images

The decision was roundly booed by the crowd at the MGM Grand arena, which cheered wildly every time Cotto landed a punch.

Mayweather defeats Cotto

Getty Images

Two judges scored it 117-111 and the third 118-110 in favor of Mayweather.

Mayweather defeats Cotto

Getty Images

Mayweather improved to 43-0 with the win. Cotto is now 37-3.

Mayweather defeats Cotto

Getty Images

Cotto fought until the final bell and bloodied Mayweather's nose earlier in the bout.

Mayweather defeats Cotto

Getty Images

The 12-round bout with Cotto was one of Mayweather's toughest ever.

Mayweather defeats Cotto

Getty Images

At one point during the fight, Mayweather did a little showboating -- shaking his head at Cotto and smiling.

Mayweather defeats Cotto

Getty Images

Mayweather used his quickness and accuracy throughout the bout.

Mayweather defeats Cotto

Getty Images

Cotto pressed the action in several rounds.

Mayweather defeats Cotto

Getty Images

"He's a tough competitor," Mayweather said after the fight. "He came to fight, he didn't just come to survive. I dug down and fought him back."

Mayweather defeats Cotto

Getty Images

Mayweather added another belt to his collection.