 In the men's 4 x 100m relay Jamaica were defending champions as well as reigning world champions and world record holders, the team (Kemar Bailey-Cole*, Nesta Carter, Michael Frater, Yohan Blake, Usain Bolt) won gold in a new world record time of 36.84 seconds.They did it without former 100 world-record holder and the third Jamaican finalist in 100 metres in this Olympics, Asafa Powell.Originally tabbed to be a part of this team, Asafa suffered a groin injury in the 100 metres final preventing him from running the relay.