Story highlights Usain Bolt wins 200-metersSecond gold medal of the GamesBolt aiming to win third gold in 4x100m relayNow has eight gold medals in total(CNN) He is the only Olympian who could have an entire stadium chanting his name. Usain Bolt's position as the greatest sprinter in the world was confirmed once again on a wet, humid night inside Rio's Olympic Stadium, as he took 200 meters gold for the third Games in succession. "I don't need to prove anything else. What else can I do to prove to the world I am the greatest?" the 29-year-old said after winning his eighth Olympic title.

Source: CNN August 19, 2016 01:46 UTC