Is GSP on his last legs?

I just wanted to pass on a well written article taking a look at some really interesting questions…Are MMA fighters doomed to decline after 9 years in the sport (regardless of what age they started at, or how many times a year they fought)?  What are the implications of this career lifespan for up-and-coming fighters? 

And is Georges St Pierre really on his last legs?

Check out David William’s article on this topic at The 9-Year Rule: A look at career lengths in Mixed Martial Arts

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