Frances Tiafoe talks US Open on 'GMA' | GMA

Ahead of the tournament, the tennis sensation talks about his career thus far and the competition that lies ahead. SUBSCRIBE to GMA's YouTube page: https://bit.ly/2Zq0dU5 SIGN UP to get the daily GMA Wake-Up Newsletter: https://gma.abc/2Vzcd5j VISIT GMA's homepage: https://www.goodmorningamerica.com FOLLOW GMA: TikTok:   / gma   Instagram:   / goodmorningamerica   Facebook:   / goodmorningamerica   Twitter:   / gma   #tennis #usopen #sports #francestiafoe #athlete #gma