Bob Arum -- Warning to Mayweather ... Manny"s a Better Fighter Now (VIDEO)

Don’t expect the same boring fight if Manny Pacquiao gets his rematch with Floyd Mayweather — so says Manny’s promoter, Bob Arum, who says his guy is a BETTER FIGHTER than he was last year.  We saw Bob out in L.A. Monday night — and he…

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