see more

LONDON, United Kingdom: Spain's Rafael Nadal (2nd L) is examined by a medic before he retired from his match against Australia's Lleyton Hewitt in their quarter-final tennis match in The Stella Artois Championships at The Queen's Club, in London, 16 June 2006. AFP PHOTO/PAUL ELLIS (Photo credit should read PAUL ELLIS/AFP via Getty Images)

LONDON, United Kingdom:  Spain's Rafael Nadal (2nd L) is examined by a medic before he retired from his match against Australia's Lleyton Hewitt in their quarter-final tennis match in The Stella Artois Championships at The Queen's Club, in London, 16 June 2006. AFP PHOTO/PAUL ELLIS  (Photo credit should read PAUL ELLIS/AFP via Getty Images)