MMATorch.com managing editor Robert Vallejos takes a look back at when the history of fights with one fighting looking to become the "Champ-Champ."
Fights discussed:
Georges St-Pierre vs BJ Penn
Conor McGregor vs Eddie Alvarez
Daniel Cormier vs Stipe Miocic
Henry Cejudo vs. TJ Dillashaw
Max Holloway vs Dustin Poirier
