MELBOURNE, Australia — An injured Novak Djokovic quit because of a torn muscle in his left leg after dropping the first set of his Australian Open semifinal against Alexander Zverev on Friday.

Novak Djokovic evidently took exception to the boos he heard after retiring from his semifinal match at the Australian Open. Djokovic shared a photo of an MRI of his left hamstring taken on ...

Follow live coverage of Novak Djokovic and Carlos Alcaraz’s Australian Open quarterfinal MELBOURNE, Australia — The thing about the circus Novak Djokovic has drummed up around himself at the ...