Dusan Vemic Pictures
(FILE PHOTO) Former world number one Boris Becker has been appointed as the new head coach of Novak Djokovic with Marian Vajda remaining part of the coaching team. PARIS, FRANCE - JUNE 05: Novak Djokovic (2nd L) of Serbia poses with his team including (L-R) hitting partner Dusan Vemic, physical trainer Gebhard Phil-Gritsch, physiotherapist Milan Amanovic and his coach Marian Vajda during a practice session on day 10 of the French Open at Roland Garros on June 5, 2012 in Paris, France. (Photo by Clive Brunskill/Getty Images)
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