What does Watson mean when he says, "There is surely nothing more painful than to meet the wreck of a fine athlete whom one has known in his prime"

That when someone(athlete) who "falls" or ends their carrer basically, in the highest point of acheivment of their carrer is something that is is a hard thing to watch or expereince is ONE of the hardest things in the world it is so devistating.

Explanation:

if you type in "people that feel right in their peak" many names will pop up and storys that should help you in better understanding.