#4 Should retire - Kurt Angle
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Kurt Angle is undoubtedly one of the most skilled and technical performers to ever set foot inside the squared circle. Many of his fellow peers have admitted that Angle picked up the tricks and trade of the pro wrestling business faster than anyone before him.
After his storybook return to WWE in 2016 and HoF induction, Angle has returned to the ring four times for different matches. Though fans were still able to witness some of the old magic he brought to the ring, he was noticeably stiffer. Angle himself later admitted that due to a short training window, he had over exerted himself and was not a 100 percent in the ring.
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Now as much as I'd love to see the Olympic Gold Medalist back in action again, keeping in mind his chronic injuries and advancing age, it might be time for Angle to retire from in-ring competition. Perhaps one last dream match at WrestleMania might be the perfect way to bow out.