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,

Andy Murray and Novak Djokovic’s magnificent seven grand slam finals - Djokovic won five to Murray’s two but was the opponent for the Scot’s crowning achievement at Wimbledon in 2013.

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.