Yohan Blake withdraws from worlds
KINGSTON, Jamaica -- Olympic sprinter Yohan Blake of Jamaica has withdrawn from the world championships in Moscow next month due to a nagging hamstring injury.
Agent Cubie Seegobin says that although Blake has made "vast improvement" since injuring the leg in April, he needs more time to fully recover.
Blake also pulled out of the island's national championships last month because of his hamstring. He qualified for the August meet by winning the 100 meters at the 2011 world championships.
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