LONDON, ENGLAND - JULY 02: A close up photograph shows the grass on Centre Court at the Wimbledon Lawn Tennis Championships on July 2, 2013 in London, England. (Photo by Peter Macdiarmid/Getty Images)
LONDON, ENGLAND - JULY 02: A close up photograph shows the grass on Centre Court at the Wimbledon Lawn Tennis Championships on July 2, 2013 in London, England. (Photo by Peter Macdiarmid/Getty Images)