John McEnroe believes Andy Murray could come out of retirement once he's done working with Novak Djokovic at the Australian Open. The tennis legend hung up his racket back in the summer after playing doubles with Dan Evans at the Paris Olympics.

All eyes will be on Andy Murray and Novak Djokovic over the next fortnight at the Australian Open as the Scot sets his former rival a new challenge, having crowned him tennis' 'GOAT'

And Murray is confident more major silverware will follow for Novak Djokovic, who he thinks can establish himself as the best athlete of all time