just ask Rory McIlroy, he rupture a ligament in his ankle and is out for the British Open and maybe more....from just kicking around a soccer ball with friends.......
http://www.msn.com/en-us/sports/gol...ment-in-ankle-while-playing-soccer/ar-AAcBNG3
http://www.msn.com/en-us/sports/gol...ment-in-ankle-while-playing-soccer/ar-AAcBNG3