Bolt takes to the track on Saturday for the early rounds of 100 meters
Will act as a strong deterrent to stop athletes taking performance-enhancing drugs
For his many fans, Bolt is a beacon of integrity in a sport scarred by doping scandals
His team-mate Nesta Carter was identified as one of 32 athletes who failed a retrospective drugs test
The sprinter is determined to extend his dominance in his three favorite events this August.
The Jamaican sprinter is bidding to become the 1st ever athlete to win the 100 & 200 metres titles at 3 consecutive Olympics.