Earlier this week, Qatar Airways announced Novak Djokovic as its latest Global Brand Ambassador. Shortly after the announcement, Djokovic was spotted attending official events ahead of this weekend's Qatar Grand Prix.

Novak Djokovic reveals reasons behind ‘perfect’ Andy Murray appointment - Murray will coach his long-time rival at the Australian Open in January after the pair announced a surprise alliance

Novak Djokovic has taken on Andy Murray as his coach for the Australian Open. It makes sense to put half of the original Big Four in men's tennis together again.

The American said the Scot said 'no' to offers from many tennis players - women and men - in order to work with the Serbian champion

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,

He also reflected on the new partnership between Djokovic and Murray: “He can contribute on the emotional side, on the mental side and, above all, bring him a lot in the game. Although Andy has no coaching experience, he has complete knowledge of Novak, he has known him for more than 20 years and that is a big advantage.”

Recently retired Andy Murray is going to team up with Novak Djokovic, working with him as a coach through the Australian Open in January.

It’s time for one of my toughest opponents to step into my corner. Welcome aboard, coach Andy Murray,” the 24-time men’s Grand Slam singles champ posted on social media Saturday.