The reflexes definitely slow over time. But I can still sometimes beat my 19 year old son at table tennis, and I am 59. George Foreman was still battering peop

The reflexes definitely slow over time. But I can still sometimes beat my 19 year old son at table tennis, and I am 59. George Foreman was still battering people in the ring at quite an age. But he was an outlier. I would say that Ali was the greatest heavyweight boxer ever, in terms of sheer virtuosity and skill (before he went to prison anyway). ;0)