Though Nick Diaz’s retirement after a March loss to Georges St-Pierre was the second time he’d called it quits in a two-year span, the fighter’s decision has stuck thus far without any real talk of him returning to the UFC unless demands are met for a rematch with GSP. Unlike his predecessors on this list, Diaz took himself out of the game rather than saw his hand forced by injury or performance by deciding he could no longer deal with judges’ scoring or a few tenths of a pound St-Pierre might have come in at over the 170-pound limit in their title-fight. Chances are he'll get sick of sitting around at some point but until that day comes, Stockton's favorite son is permanently sidelined.
When it comes to discussing Mixed Martial Artists and retirement the conversation tends to be on fighters who have held on a little too long a la Jens Pulver, Chuck Liddell, or Tito Ortiz. However, there are plenty of pugilists who have walked away from the UFC with gas left in the tank to the chagrin of countless fans. Here’s a look at five competitors whose time in the Octagon was cut short… (Photos by USA Today Sports Images)
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