Novak Djokovic is going through a really delicate moment in the last part of his legendary career and his decision to end the collaboration with Andy Murray is considered as another alarming sign. The former world No.

Andy Murray has been in the news this week after it was confirmed he would no longer be working with Novak Djokovic, but he was back on our screens on Monday

Novak Djokovic and coach Andy Murray ended their partnership after six months, they said Tuesday. Djokovic announced in November that he hired Murray. The 24-time Grand Slam winner was ranked No. 7 in the world at the time.