Andy Murray and Novak Djokovic will no longer work together, with the duo announcing their split earlier this week. And four-time Grand Slam champion Jim Courier has offered his theory about the separation.

Novak Djokovic has confirmed his coaching partnership with Andy Murray has come to an end, two weeks before the start of the French Open. The 24-time Grand Slam champion announced at the end of last year that Murray would be joining his team in a shock move, and they worked together for the first time in Australia at the start of the season.

Jim Courier suggests Novak Djokovic may have been looking for "a spark" ahead of the French Open and Wimbledon and figured out that ditching Andy Murray could help him in his goal. On Tuesday morning European time,