10 Hardest Hitters in MMA History

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7. Fedor Emelianenko

Photograph By Josh Hedges/Getty Images

Emelianenko will probably be remembered on this list as the standing KO artist he morphed into late in his career, but where his punching power was most impressive was on the floor. For a spell, the most dangerous place to be in a fight was with the Russian in your guard. He produced an immense amount of torque while on his knees, delivering a slung-from-the-shoulder punch that broke wills.

Quintessential KO: Andrei Arlovski, Jan. 24, 2009