ESPN

Greatest upsets of past 25 years

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George Foreman-Michael Moorer

Photograph By John Gurzinski/AFP/Getty Images

Nov. 5, 1994: Foreman was mostly worked over by the much younger Moorer at the MGM Grand in Las Vegas until, in Round 9, he landed a deceptively powerful right hand to floor Moorer and become heavyweight champ 21 years after first winning the title.