Manny Pacquiao's obsessive training regime ahead of his eagerly anticipated clash against Floyd Mayweather has made him a "freak", according to trainer Freddie Roach.
Pacquiao, the only eight-division world champion in the history of boxing, will take on Mayweather, undefeated in 47 fights, in the highest grossing fight ever on May 2 in Las Vegas.
And Roach, voted trainer of the year six times in 10 years, claims he has never seen his fighter in such pristine condition.
Roach said: "He is in top condition. Manny is a freak. He runs, and his condition...we don't have to worry about that. He'll never lose a fight because he's too tired. It just doesn't happen. It's impossible."
Bob Arum, Pacquiao's promoter, echoed Roach's words, tipping his fighter to overcome Mayweather, despite his slight underdog status.
"He's better than I've ever seen him," said Arum. "I really think Manny's going to stop him [Mayweather].
"Mayweather's an excellent fighter, no question about that, and he creates a tremendous challenge for Manny. But I think Manny at this stage can rise to that challenge and win the fight.
"I think he has the better skill set of the two at this stage in their careers. I think he'll win with movement, by the number of punches that he throws, and I think his foot speed is a lot better."
Tickets for the fight, which has been labelled Fight of the Century by promoters, are currently selling for as much as £13,600.