FLOYD MAYWEATHER JR. hinted at retirement after beating Miguel Cotto by unanimous decision in a bruising fight Saturday in Las Vegas.

"I don't know where we're going to go from here because we basically have fought everybody in this sport," Mayweather said. "I don't have to fight if I don't want to."

One opponent he hasn't fought, Manny Pacquiao, will be in Vegas on June 9 to fight Timothy Bradley.

"The Pacquiao-Mayweather fight is not going to happen," Mayweather said. "It's not my fault."

While Mayweather believes he's in the driver's seat for any megafight, he is suspicious of Pacquiao and unwilling to take equal money for the bout.

After making a minimum $32 million in an impressive performance against Cotto, Mayweather could be excused for dismissing what would be the richest fight in boxing history. But, with jail time coming up for a domestic-abuse charge, there will be plenty of time for reflection about his future.

Unlike most of his fights, though, Mayweather looked like he had been in a fight after beating Cotto for a piece of the 154-pound title. He had welts under his both eyes and he spoke deliberately, like a fighter who was exhausted by the effort needed to capture the 43rd win of his unblemished career. Cotto going to a local hospital for examination instead of attending the postfight press conference.

Though Mayweather ended up winning easily on all three ringside scorecards, the fight was in doubt in the middle rounds and he never really dominated until he caught Cotto with an uppercut that buckled his knees in the final round.

"You're a hell of a champion," Mayweather told Cotto in the ring afterward. "You're the toughest guy I ever fought."

Pro Football

* San Diego Chargers chaplain Shawn Mitchell says Junior Seau's family is revisiting its decision to donate the former linebacker's brain for research into football-related injuries. Seau committed suicide Wednesday.

* Washington coach Mike Shanahan declared rookie Robert Griffin III the Redskins' starting quarterback.

* Miami extended linebacker Cameron Wake's contract through the 2016 season. ESPN reported the extension is worth $49 million, with $20 million guaranteed.

Tennis * 

Argentina's Juan del Potro won his second consecutive Estoril Open title, beating France's Richard Gasquet, 6-4, 6-2, in Oeiras, Portugal.

Philipp Kohlschreiber, of Germany, beat Marin Cilic, of Croatia, 7-6 (8), 6-3, in Munich to win the BMW Open.

Philly File * 

Greg "Bubba" Bernhardt, an assistant under Tom Oropeza, who stepped down after the 2011 season, is Monsignor Bonner High's new football coach.

Sport Stops * 

Lance Armstrong dominated the cycling but finished third in the St. Croix Ironman triathlon, 3 minutes, 37 seconds behind winner Andy Potts.