Troicki officially named Djokovic's new coach

PARIS - Viktor Troicki has officially been named Novak Djokovic's new coach, Serbia's top-ranked tennis player announced on Wednesday evening.

"Welcome my friend, teammate and now coach," Djokovic wrote in an Instagram post that also included a photo of him and Troicki.

As Serbia head coach, Troicki was Djokovic's coach at the Paris Olympics, when the tennis ace won a historic gold medal.