What athlete was more athletic and great or valuable for his sport?

Wow that is alot of stats to sort through, but I will go with the 1 I think will never get broken. Joe Louis's 11 year heavyweight title run. Today big time fighters only fight once or twice a year at most, and I still do not think anyone will come close to that. Boll Russel's 11 titles will not be broken anytime soon either.