Getty Images Gary Player

Golf icon Gary Player became known as "Mr. Fitness" back in the 50s, and he is still living up to that nickname today as an 81-year-old. Check out this video Player posted on Twitter in which he just absolutely crushes it on the treadmill:


Player appeared in the 2013 edition of ESPN The Magazine's annual body issue along with athletes who were were mostly in their 20s.

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