One of the greatest tennis players of all time, Rafael Nadal has announced his retirement from the sport. In an emotional video, the 22-time Grand Slam champion bid farewell to the game in which he built his stature as one of the most loved sportspersons of all time. The Davis Cup final 8 for Spain will be Nadal's last outing as a professional tennis player, to be held in November. Nadal remains one of the most decorated sportspersons of all time. Of the 22 Grand Slam titles he has won, the Spaniard clinched record 14 French Open titles.