What made Tyson fearsome in the ring was not just his terrifying punching power but his speed.

使泰森在拳台上无敌于天下的不仅是他令人恐惧的重拳，还有他不可思议的速度。

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Nazim Richardson, Hopkins' long-time trainer, favorably compared Cloud's punching power to Antonio Tarver and Felix Trinidad.

WSJ: At 48, Hopkins still chasing championship history

I'll have the punching power and the speed will be the same, the speed's always there.

BBC: Calzaghe not contemplating defeat

Khan did all that was expected of him, shrugging off Bailey's early charge and showing good hand-speed and punching power before the referee had seen enough.

BBC: SPORT | Boxing | Khan's timely rise