John McEnroe ripped into the Australian Open crowd following the Novak Djokovic and Alexander Zverev match, declaring their boos for the Serb "ludicrous." After overcoming Carlos Alcaraz on Tuesday despite a left leg injury,

Novak Djokovic proved scepticism of his injury to be misplaced when he withdraw from his Australian Open semi-final.

John McEnroe appeared to suggest that Novak Djokovic intentionally took a medical timeout against Carlos Alcaraz so he could try to throw the Spaniard off his game. After the No. 3 seed broke the Serb in the ninth game of the first set of their Australian Open quarterfinal match, the 37-year-old had a physio come out to the court.