Usain Bolt - Again

I don't know what to say that hasn't been said already about Usain Bolt. heck, I don't know what to say that I haven't already said about Usain Bolt. 19.19s was his winning time in Berlin tonight, and all this when "tired" and "it wasn't a good race." His words.

My buddy Alan contends that these comments make him the most self-critical athlete ever. Possibly that's true. After two Olympic titles and two more World titles, all in World Record times, I'm going to ask a different question however. Make that two questions.

Has Usain Bolt had the greatest career of any athlete in any sport under the age of 22? (For the record I say yes, undoubtedly)

Now for another question...

At the tender age of 22, are we watching the greatest athlete of all time, in any sport? If not, who's better? I think that's a short list.