John McEnroe thinks Alexander Zverev doesn't have a reason to concern himself about what some may say about his road to a possible Australian Open title as the American tennis legend says no one will remember in a decade that Novak Djokovic from their semifinal match.

Novak Djokovic retired injured after losing the first set 7-6(5) against Alexander Zverev on Friday to put the German through to his first Australian Open final and extend his wait for a record 25th Grand Slam title.

Zverev, who is seeking his first Grand Slam title, admonished the crowd a bit for the reaction during his on-court interview.From NFL plays to college sports scores, all the top sports news you need to know every day.