Mike Tyson: How Manny Pacquiao can defeat Floyd MayweatherFormer heavyweight champion Mike Tyson picks Manny Pacquiao to beat Floyd Mayweather in the fight of the decade.SI Staff|Share on FacebookShare on XAdd us as a preferred sourceFormer heavyweight champion Mike Tyson picks Manny Pacquiao to beat Floyd Mayweather in the fight of the decade.Published Mar 15, 2015 | Modified Mar 15, 2015SI STAFFShare on FacebookShare on XHome/Boxing