Djokovic and his “wierd ritual”

What’s behind the success of Novak Djokovic, the world’s no. 1 ranked tennis star? Intense training, to be sure. A gluten-free diet, too. And, as detailed in a sprawling Sports Illustrated feature recently, a childhood spent at a gruelling tennis academy in his native Serbia. But the three-time major winner also has an unconventional trick […]