Jamaican sprinter Usain Bolt said he wants to be remembered as the man who was unbeatable and unstoppable after he retires following the upcoming IAAF World Championships in London. Bolt said it will be hard to move on and no longer have the rush of competition but he added that he plans on remaining in the sport by flying all over the world to inspire young athletes. The Jamaican also joked he could take up a football career and is waiting for Manchester United manager Jose Mourinho to sign him up