Mike Tyson believes that Floyd Mayweather Jr will have to adopt a different gameplan if he is to be victorious against Manny Pacquiao on May 2.
The pair will finally collide at the MGM Grand later this year, and the fight is expected to set a new pay-per-view buy-rate record for the sport.
The unbeaten Mayweather is known for his evasive tactics in the ring, but Tyson thinks that 'Money' will have to be on the front foot against the Filipino in Las Vegas.
In a video posted on YouTube, the ex-world heavyweight champion said: "[Mayweather] has to fight. If he's not going to score, he's going to lose the round.
"Also, if he is laid back then he will lose the round also. Floyd doesn't throw anywhere near 100 punches a round, he is more scientific about it. He really plots and he sits around and poses.
"[Pacquiao] is all over, fading, moving and I just don't think Mayweather is going to be able to play that plotting [tactic]. Floyd's got to fight in the first couple of rounds."
Meanwhile, rapper 50 Cent, who is a long-time friend of Mayweather's, has claimed that he is betting $1.6m (£1m) on the unbeaten fighter.
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