Couple of things that Tyson did that others couldn't that show Tysons class.
Nail Holmes to the canvas.
Unify all three belts and keep them unified for 7 defences (simce the emergence of the three major belts don't think anyone from any weight has done that!). He beat 3 seperate title holders then defended against the rest of the top ten and then lineal champ leaving absolutely no argument over who was the best and this was done in just 3 years!
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