It proves nothing. Most guys would be able to do the same thing, if they knew a body shot was coming. You can do amazing things when you can brace your abdomen for impact.It becomes lethal when you don't expect it, and that region of your body is in a relaxed state.It's also dumb, because anyone that follows MMA, knows that Mark Hunt has the power to knock out/hurt anyone on this planet.
tyson said he hit her that hard look it up. i dont think he would lie about something like thattyson is not even in the discussion of hardest punchers in history