Spain's Rafael Nadal reacts during his quarter final match of the Monte 

Spain's Rafael Nadal reacts during his quarter final match of the Monte Carlo Tennis Masters tournament in Monaco against Grigor Dimitrov of Bulgaria, Friday, April 19, 2013. (AP Photo/Lionel Cironneau)
Associated Press
Spain's Rafael Nadal reacts during his quarter final match of the Monte Carlo Tennis Masters tournament in Monaco against Grigor Dimitrov of Bulgaria, Friday, April 19, 2013. (AP Photo/Lionel Cironneau)
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