John McEnroe hails Novak Djokovic as the "Lebron James of tennis"
John McEnroe is questioning why Novak Djokovic should retire if he continues to be so competitive in the Grand Slams.
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Stefanos Tsitsipas opens up on toxic coaching relationship with father
Greek star Stefanos Tsitsipas described how the coaching relationship with his father, Apostolos, became so toxic that they had to split.
