American sprinter Tyson Gay has been ruled out for the rest of the athletics season . The Jamaican athlete was due to compete in the 100 metres at next week's world championships but will now miss his second straight Olympics after suffering a hamstring injury during training on Monday. The former world champion had set the fastest 100 meters time this year .
American sprinter Tyson Gay has been ruled out for the rest of the athletics season . Gay , 28 , has undergone hip surgery and will now focus on preparations for 2012 . The former world champion had set the fastest 100 meters time this year .