James Harrison (Retired / Honorable Mention)
Though he recently decided to call it quits, the recently retired Harrison still deserves a spot on this list. After all, very few (if any) 38-year old men can leg press 1,200 pounds. In 2014, he recorded a video of himself benching 405 pounds, then “taking a rest” between sets by doing 10 push-ups with a teammate sitting on his back.
His incredible strength and tenacity enabled him to go from being an undrafted free agent out of Kent State University to a 15-year NFL veteran, five-time Pro Bowl selection, and four-time All-Pro selection.