Photos: Floyd Mayweather Packs a Punch

See photos of the Mayweather-Cotto title fight.

Victory! - In a unanimous decision, Floyd Mayweather Jr. defeated Miguel Cotto to win the WBA super welterweight title at the MGM Grand Garden Arena on Saturday night in Las Vegas, Nevada.(Photo: Al Bello/Getty Images)

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Victory! - In a unanimous decision, Floyd Mayweather Jr. defeated Miguel Cotto to win the WBA super welterweight title at the MGM Grand Garden Arena on Saturday night in Las Vegas, Nevada.(Photo: Al Bello/Getty Images)

Money Posse - Justin Bieber and Curtis "50 Cent" Jackson enter the ring with Mayweather.(Photo: Al Bello/Getty Images)

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Money Posse - Justin Bieber and Curtis "50 Cent" Jackson enter the ring with Mayweather.(Photo: Al Bello/Getty Images)

Photo By Photo: Al Bello/Getty Images

Mayweather's Valet - Bieber holds two belts for Mayweather before the champ takes on Cotto.(Photo: Al Bello/Getty Images)

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Mayweather's Valet - Bieber holds two belts for Mayweather before the champ takes on Cotto.(Photo: Al Bello/Getty Images)

Photo By Photo: Al Bello/Getty Images

Words of Support - Mayweather gets last-minute instructions from his trainer before heading into the ring. He entered — and left — the ring undefeated. (Photo: AP Photo/Eric Jamison)

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Words of Support - Mayweather gets last-minute instructions from his trainer before heading into the ring. He entered — and left — the ring undefeated. (Photo: AP Photo/Eric Jamison)

Photo By Photo: AP Photo/Eric Jamison

Trading Blows - Cotto exchanges punches with Mayweather in the first round of their match. "You're a hell of a champion," Mayweather told Cotto after the match, writes the Associated Press. "You're the toughest guy I ever fought."(Photo: AP Photo/Isaac Brekken)

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Trading Blows - Cotto exchanges punches with Mayweather in the first round of their match. "You're a hell of a champion," Mayweather told Cotto after the match, writes the Associated Press. "You're the toughest guy I ever fought."(Photo: AP Photo/Isaac Brekken)

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Connection - Though he was able to land a few punches, Cotto lost the fight, but was still pleased with his performance. "The judges said I lost the fight, I can't do anything else," Cotto told the media. "I'm happy with my fight and performance and so is my family. I can't ask for anything else."(Photo: AP Photo/Eric Jamison)

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Connection - Though he was able to land a few punches, Cotto lost the fight, but was still pleased with his performance. "The judges said I lost the fight, I can't do anything else," Cotto told the media. "I'm happy with my fight and performance and so is my family. I can't ask for anything else."(Photo: AP Photo/Eric Jamison)

Taking in the Action - Rapper Lil Wayne watches the fight.(Photo: Al Bello/Getty Images)

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Taking in the Action - Rapper Lil Wayne watches the fight.(Photo: Al Bello/Getty Images)

Photo By Photo: Al Bello/Getty Images

Pow! - In the fourth round, Mayweather connects with the side of Cotto's head. Mayweather earned a minimum of $32 million for the fight, while Cotto was guaranteed $8 million.(Photo: AP Photo/Eric Jamison)

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Pow! - In the fourth round, Mayweather connects with the side of Cotto's head. Mayweather earned a minimum of $32 million for the fight, while Cotto was guaranteed $8 million.(Photo: AP Photo/Eric Jamison)

On the Ropes - A ferocious Cotto throws a string of punches against Mayweather in the seventh round. AP stats showed Mayweather landing 179 of 687 punches to 105 of 506 to Cotto.(Photo: AP Photo/Eric Jamison)

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On the Ropes - A ferocious Cotto throws a string of punches against Mayweather in the seventh round. AP stats showed Mayweather landing 179 of 687 punches to 105 of 506 to Cotto.(Photo: AP Photo/Eric Jamison)

Photo By Photo: AP Photo/Eric Jamison

Fighting Back - Not to be outdone, Mayweather strikes back against Cotto.(Photo: AP Photo/Isaac Brekken)

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Fighting Back - Not to be outdone, Mayweather strikes back against Cotto.(Photo: AP Photo/Isaac Brekken)

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Taking a Rest - During a break before the 10th round, Mayweather sits in his corner.(Photo: AP Photo/Isaac Brekken)

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Taking a Rest - During a break before the 10th round, Mayweather sits in his corner.(Photo: AP Photo/Isaac Brekken)

Mixing It Up - During the 11th round, Cotto managed to get in a couple of close punches. The fighter, from Caguas, Puerto Rico, has held a world title every year since 2004.(Photo: AP Photo/Isaac Brekken)

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Mixing It Up - During the 11th round, Cotto managed to get in a couple of close punches. The fighter, from Caguas, Puerto Rico, has held a world title every year since 2004.(Photo: AP Photo/Isaac Brekken)

Water Break - Mayweather gets cooled off between rounds. With the fight over, Mayweather will shortly be turning himself in to serve a three-month term for domestic violence. (Photo: AP Photo/Eric Jamison)

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Water Break - Mayweather gets cooled off between rounds. With the fight over, Mayweather will shortly be turning himself in to serve a three-month term for domestic violence. (Photo: AP Photo/Eric Jamison)

Odd Coupling - This is an interesting cast of characters, to say the least. Pop star Justin Bieber, Lil Wayne and Curtis "50 Cent" Jackson pose with victorious boxer Floyd Mayweather Jr. after he defeated Miguel Cotto by unanimous decision in their WBA super welterweight title fight. The event was held at the MGM Grand Garden Arena in Las Vegas.   (Photo: Al Bello/Getty Images)

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We're No. 1 - After Mayweather finished off Cotto, he hung out with his friends in the ring: Bieber, rapper Lil Wayne, 50 Cent and a guest.(Photo: Al Bello/Getty Images)

Floyd Mayweather, Jr.: February 24 - The undefeated boxing champ celebrates his 37th birthday. (Photo: Ethan Miller/Getty Images)

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Champ - Mayweather adds a new belt to his collection.(Photo: Ethan Miller/Getty Images)

Photo By Photo: Ethan Miller/Getty Images