Fighters should have primes which should be their physical and mental best where they could not fight better and remain unbeaten JCC Superstar, Tyson or Rocky.

During that period they should not lose but they can like Leonard, Hearns or Khan. If they do they can still come back and win again.

Fighters primes can be young Benitez, Vargas and Tyson or older Lewis or Wlad.

Fighters to achieve success after their primes are Hopkins and Foreman which have been through experience, guile, power and luck.

Bowe had a short peak Joe Louis had a long one.