John Isner: Officially retires from professional men's tennis

Welcome to another episode of TC Live! Join Steve Weissman, Chanda Rubin, Paul Annacone, and Jon Wertheim as they catch you up on everything US Open, including big wins from Grigor Dimitrov defeating Andy Murray , Andrey Rublev defeating Gael Monfils , and Daria Kasatkina defeating Sofia Kenin. The team also previews today's key matchups and a special tribute to John Isner after officially retiring from professional men's tennis yesterday. Learn more about your ad choices. Visit megaphone.fm/adchoices