KEY BISCAYNE, FL - MARCH 29: Mardy Fish serves against Juan Martin Del Potro of Argentina during the Sony Ericsson Open at Crandon Park Tennis Center on March 29, 2011 in Key Biscayne, Florida. ... more 
KEY BISCAYNE, FL - MARCH 29: Mardy Fish serves against Juan Martin Del Potro of Argentina during the Sony Ericsson Open at Crandon Park Tennis Center on March 29, 2011 in Key Biscayne, Florida. (Photo by Mike Ehrmann/Getty Images) less 
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Getty Images | Photo By Mike Ehrmann / Getty Images
Tue, Mar 29, 2011 12:44 PM EDT