Some athletes are all business when it comes to their particular sport, and they don't care to split their time between sports and modeling. Which is totally fine, but not as much fun for the general public.
Then there are others who don't mind taking it off on occasion. Whether it's just to make ends meet and pay the bills or narcissism and vanity run amok, it's always a treat for the public when an athlete makes a foray into the world of underwear modeling.
Let's take a look at 20 athletes who have made that foray.