Knee troubles sideline Rafael Nadal
CINCINNATI -- Rafael Nadal dropped out of the Western & Southern Open on Thursday because of a knee problem that also forced him to miss the Olympics.
Nadal pulled out of the London Olympics because of a sore left knee, missing the chance to be Spain's flag bearer in the opening ceremony.
He won the French Open for a record seventh time at the start of the season, but has been bothered by a problem with the tendon in the knee for weeks. He lost in the second round at Wimbledon and ...
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