Tennis star Cori 'Coco' Gauff talks Wimbledon debut at 15: 'The sky isn't the limit'
andquot;Nightlineandquot; sat down with the teenage tennis sensation who beat Venus Williams at Wimbledon and will be playing as a wildcard at the U.S. Open to learn about how she got so good.
07:27 | 08.21.19 | NR | CC