A tennis fan has captured curious footage of Novak Djokovic's entourage with a yellow bottle that was raced over to the former world No.1 on court.
Footage appears to show Novak Djokovic's entourage preparing a mysterious concoction.
The water bottle is then handed over the sideline to a ball kid who runs it to Djokovic as he sits on his players' bench next to the umpire's chair. "I've always thought there should be more transparency about the substances players take, particularly during matches, but I've also rarely thought anything was likely amiss," he said in a tweet.
"I think rivals should get to know [the substance]. I don't think there should be secret substances being ingested during competition.
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