By Mark Vester

Trainer Freddie Roach, speaking with ESPN radio affiliate 790TheZone, is under the impression that Floyd Mayweather Jr. is no longer the same fighter. Roach watched Mayweather's dominating decision win over Shane Mosley from last Saturday in Las Vegas. He watched close and thinks Mayweather fought in a different style because his legs are no longer there. Roach doesn't think Mayweather can move around the ring like he used to a few years ago.

"He can't punch at the weight...it's his biggest issue I think and the speed factor, he's a little bit slower. You can see even the other night, he doesn't have his legs anymore. He changed his style because he can't move like he used to at that weight. He's a lot  more flat-footed, that's why Shane hit him like that in the second round. Shane got old overnight," Roach said.

Roach is not overlooking Mayweather. He still considers Mayweather the toughest opponent of Pacquiao's career. He predicts a very tough fight and sees it as a challenge to come up with a plan to beat Mayweather, but doesn't see Mayweather getting away if Pacquiao hurts him in the same fashion as Mosley.

"This will be a big challenge because Mayweather, his style, I have to come up with the perfect game plan and it is a big challenge for me to get a win over him. One thing about Mayweather, he is very good at what he does. He's very clever. He sees well," Roach said.

"He got caught a few times early in the fight, but if Pacquiao catches him - he will finish him. He doesn't have that movement like he once did. He's a lot more flat-footed with the weight and the age. The way he fought the other night was very good for the fans. He didn't run, he came to fight and its unfortunate that Mosley didn't have more in the tank - but Pacquiao will."

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