Justin Gatlin defeated Olympic champion Usain Bolt in the 100 m in Rome . American clocks 60 seconds while Bolt finished 0.01 secs behind . Gatlin maintains his unbeaten record in this year 's Diamond League . Bolt told the BBC . ` He was making his first appearance this year after a hamstring injury .
Justin Gatlin defeated Olympic champion Usain Bolt in the 100 m in Rome . American clocks 60 seconds while Bolt finished 0.01 secs behind . Gatlin maintains his unbeaten record in this year 's Diamond League . He was making his first appearance this year after a hamstring injury .