Manny Pacquiao is among an elite group of fast punchers, who dazzle the eyes with firecracker fist that leave missile chem trails in their wake from the speed.
Speed kills in Boxing. Hand speed can be the difference between being beaten badly and being knocked into next year.
Time has proven that the best knockout punches are ones you never see coming. Greater hand speed allows this awesome phenomenon to happen with greater frequency.
Here are the 25 Fighters with the Quickest Hands in Boxing History.