"He never liked retirement anyway," wrote tennis player Novak Djokovic in a social media post announcing that former pro and frequent opponent Andy Murray will be his coach going into the New Year. Murray who retired from professional tennis in July by writing,

Recently retired Andy Murray will 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 on board, Coach — Andy Murray,” Djokovic said