â€œItâ€™s just my opinion that he uses steroids,â€ Penn said. â€œThatâ€™s it. My opinion. I do believe it. I canâ€™t hand you any proof, but thatâ€™s my opinion.â€
“In my opinion, he doesnâ€™t play by the rules when it comes to steroids and growth hormones and that stuff. Look at him. Heâ€™s the worst. He looks like that every day. Thatâ€™s cheating. There is a reason why there are rules against using steroids. The rest of us, we get fat, then we train and get skinny and the cycle goes over and over again. He looks the same way all the time. Come on.â€ [Yahoo]
BJ Penn’s mouth has gotten him in trouble in the past, but I guess that is also what makes him such an appealing fighter.