Everyone who knows just a little bit about boxing, knows that Liston had swept the division a good 2 years prior to beating Patterson, and...
Wladimir Klitschko
He would win the title around 1957, stopping Floyd Patterson. Then he would spend 2-3 years defending the title against the likes of Johansson,...
Just off the top of my head: 1. Mayweather 2. Pacquiao 3. Ward 4. Canelo 5. Wladimir Klitschko