By Charlie Eccleshare, Callum Davis and Matthew Futterman Novak Djokovic has appointed his former rival and three-time Grand Slam champion Andy Murray as his new coach. Murray, 37, called time on his illustrious 19-year career after the Paris Olympics in August but is returning to tennis to help the 24-time Grand Slam winner’s preparations for the Australian Open,

Retired tennis great Andy Murray has agreed to join Novak Djokovic's team and will coach him at the Australian Open next year, the Serbian 24-times Grand Slam champion said on Saturday. Briton Murray retired after this year's Olympics in Paris where Djokovic won the gold medal.

Andy Murray will coach Novak Djokovic before and during next season’s Australian Open, in an extraordinary move. Murray, who retired from tennis at the Paris Olympics in August, will help his long-time rival as he bids to win a 11th Australian Open title in January.