Novak Djokovic's hamstring just about held up as the hot favourite reached the Australian Open last 16 on Saturday, as Andy Murray's heroic run ended in typically defiant style.
An ailing Djokovic had heavy strapping and needed treatment twice on his troublesome left hamstring before defeating Grigor Dimitrov 7-6 (9/7), 6-3, 6-4 on Rod Laver Arena.
