Rafael Nadal (Spain, tennis) Nadal has won Olympic gold in 2008 and 14 Grand Slam single titles. His win rate is 83%, the 2nd highest in open era of tennis. Haile Gebreselassie (Ethiopia, athletics) Haile won Olympic gold in 10,000m twice and held world record for the marathon for 3 years. David Campese (Australia, Rugby […]