GSP: 'There's no such thing as the greatest of all time' in MMA

With his dramatic win at UFC 217 over Michael Bisping in his debut fight at middleweight, many people were quick to proclaim that Georges St-Pierre is the greatest MMA fighter of all time.

While the praise is certainly flattering, St-Pierre doesn't agree with the claim, mostly because the Canadian star doesn't think that title actually exists.

"There is no such thing as the greatest of all time," St-Pierre said on a conference call Thursday. "Even though you are the best, it doesn't mean you can't lose and it doesn't mean nobody can beat you. For example, I fought Michael Bisping Saturday night at Madison Square Garden. On that particular night, at that particular moment, at that particular place I beat Michael Bisping, but that doesn't mean if I fight him tomorrow, he's not going to beat me."

St-Pierre compared the fight game to other sports where even the best teams can lose on any given night. While many feel that MMA is different and the strongest survive each time, the 36-year-old was quick to point out that's not the case.

"People think fighting is different, 'This guy is stronger than that guy so he's always going to win,'" St-Pierre said. "That's not true. Maybe one day I will make a mistake and lose to a guy who's not as good as me. Maybe nine times out of 10 I will beat him. There's no such thing as the greatest of all time, it doesn't exist. It's an illusion."