You never want to see your favorite fighters retire, but there comes a time when it's clear that they need to hang up the gloves. Some fighters try to keep going and hang on too long. Others go out on their own terms and declare it's their last fight ahead of time.
There are several fighters who have been on the brink but pulled out a huge victory to save their careers. Any one of these guys could win their next fight and get back to their winning ways.
But, if these guys lose their next fights, and if they were to lose them badly, they might want to consider retiring before they hang on too long.
Let's check out four fighters who should hang 'em up if they lose another fight.