Novak Djokovic of Serbia reacts at a press conference after retiring in his semifinal match against Alexander Zverev of ...

Novak Djokovic is 37 and was forced to stop playing because of an injury at two of the past four Grand Slam tournaments.

Novak Djokovic retired mid-game during his semi-final clash with Alexander Zverev, who'll now face world No.1 Jannik Sinner ...

The great Aussie turned 40 in 1974 but still played at a high level. Rosewall toppled John Newcombe at Wimbledon and the US ...

Djokovic is only interested in tennis' biggest prizes. He still has the game to win them, but at age 37 his body is letting ...

Use extra caution. && Novak Djokovic of Serbia reacts at a press conference after retiring in his semifinal match against Alexander Zverev of Germany at the Australian Open tennis championship in ...

“But you’ve got to understand — Novak Djokovic is somebody that has given this sport, for the past 20 years, absolutely everything of his life.” Djokovic had been hurt late in the first ...

MELBOURNE, Australia — Novak Djokovic posted a scan of his injured left hamstring on social media early Sunday, more than 24 hours after being booed at the Australian Open when he quit playing ...