Nothing But Sunshine
Join Date: Jul 2011
Quoted: 633 Post(s)
Rep Power: 51
Total Points: 1,000,200,106,250,993.12
I'd say his prime was 64-67. From 70-75 he was past prime/still good though. After the 3rd Frazier fight, he was a shell of himself, and still won against Shavers and had close fights with Young and Norton again.
Anyways, a 32-33 year old Ali in 74-75 beats them all.