However, he avenged his losses to Spinks, Norton ... old when he knocked out Berbick in 1986. Tyson's reign included a brutal fourth-round knockout of Larry Holmes, who had previously defeated ...

Tyson holds some of the most devastating knockouts in boxing history, including his famous first-round KO of Michael Spinks in 1988. A heavyweight powerhouse, George Foreman's strength was on full ...

Holmes’ reign as world champion came to an end in 1985 after he suffered back-to-back defeats at the hands of Michael Spinks.