John Cena gets candid in a new PEOPLE cover story about his decision to get a hair transplant at 47 years old.

John Cena retiring is due to his age but another factor as he looks out for the next generation of WWE Superstars.

It is safe to say that one of the greatest professional wrestlers of all time is the 17-time WWE Undisputed Champion, John Cena. He is currently in his final run as a WWE Superstar. But will Cena ...