Trainer Floyd Mayweather Sr. tends to go over the top in his interviews - and then some. In his latest, he accuses pound-for-pound king Manny Pacquiao of using supplements and steroids. Comments that are sure to draw outrage in the boxing community and may be grounds for a legal action.

During a recent interview with the Grand Rapids Press , Mayweather Sr. says a lot of boxers are using illegal supplements. He believes Pacquiao is one of them.

"I believe he's on some type of supplements. I'm convinced about a lot of (boxers)," Mayweather Sr. said. "That's what they're doing right now. Everybody should be checked a little bit more thoroughly. Sometimes people know what's going on but they ain't saying nothing."

Pacquiao returns to the ring on November 14 against WBO welterweight champion Miguel Cotto. If the younger Mayweather, Floyd Jr., beats Juan Manuel Marquez at the MGM Grand on Saturday, and Pacquiao beats Cotto - the two of them may fight in 2010. Steroids or no steroids, Mayweather Sr. says it's a fight that Pacquiao will lose.

"I don't think he can beat Lil' Floyd with steroids in him or not," Mayweather Sr. said. "He don't have that kind of talent. He don't have that kind of skill, whatever he has in him.

"I think they're pushing Pacquiao a little too much, even if he's got 'roids in his body. The steroids aren't going to make him no faster. It's going make him relentless and hit strong, but that's it. It ain't going to put no knowledge in your head."