Prime Sports Tennis: U.S. Open special I

Greg DePalma is joined by PSN tennis analyst Andrea Leand live from Flushing Meadow as the U.S. Open is down to the quarterfinals, which feature four U.S. women – Madison Keys, Venus Williams, Sloane Stephens and Coco Vandeweghe – for the first time since 2002. They also look at Juan Martin del Potro‘s huge comeback to beat Dominic Thiem in five sets, setting up a clash against Roger Federer.