Injured Djokovic booed off after quitting semi-final - Yahoo Sports
- Injured Djokovic booed off after quitting semi-final Yahoo Sports
- Novak Djokovic retires hurt to send Zverev into Australian Open final The Guardian
- Djokovic loses first set to Zverev in tie-break and... retires: "Don't boo him, please" Marca English
- Novak Djokovic retires from Australian Open semifinal due to injury CNN
- Injured Djokovic quits mid-match and walks off to boos, putting Zverev in the Australian Open final The Associated Press