Novak Djokovic is 37 and was forced to stop playing because of an injury at two of the past four Grand Slam tournaments.
Djokovic is only interested in tennis' biggest prizes. He still has the game to win them, but at age 37 his body is letting ...
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McEnroe shocked by Djokovic's retirement
John McEnroe gives his immediate reaction to Novak Djokovic's semi final retirement. Titleholder Sinner storms into ...