Novak Djokovic said shared experiences with Andy Murray make the Scot the "perfect coach" as he bids to win a record 25th Grand Slam in Australia in January.
Murray, a three-time major winner, retired after the Paris Olympics at the age of 37, finally admitting defeat in his long battle against injury.
Last month, Djokovic made the surprise announcement that he was teaming up with his long-time British rival in the off-season and in the build-up to the first Grand Slam of the year.
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