What do Iga Swiatek, Novak Djokovic and Coco Gauff have in common (besides some Grad Slam titles)? They're all officially on our Worry Index for players who need to turn things around to reset their season. We talk about the chaos agent that is Jelena Ostapenko, the rebound of Holger Rune and some scattered pot shots from deodorant to shower drug tests.