Serena Williams, Rafael Nadal, Roger Federer, Maria Sharapova, Novak Djokovic — these names are all synonymous with the game of tennis. As the end of the WTA and ATP seasons near, we’ve drafted a group of all-star professional athletes in the NBA, NFL and NHL and more who surprisingly have some skills on the tennis court. Perhaps we’ve got some new contenders for 2015? Continue reading the article on SI.com.