Emma Navarro just breezed past Caty McNally at the US Open, but what really caught fans’ attention is her honest take on her friendship—and rivalry—with fellow billionaire baller Jessica Pegula. Both are tight off the court, but as Navarro says, you can’t forget you’re competitors. With Pegula hinting at retirement soon, could this unique American duo’s on-court dynamic be changing for good? #Sports #USOpen #EmmaNavarro