After Andy Murray won Wimbledon he was straight on a plane to Serbia for the Davis Cup quarterfinals. But not to play. This time it was another British player - Kyle Edmund, who was the hero.  Catherine Whitaker and David Law convene to cover a cracking Davis Cup quarterfinal weekend in which both Croatia and the United States made history, but for rather different reasons. And we enter the Poll Vault. Don't ask. The Tennis Podcast has been produced in association with Telegraph Sport.  See acast.com/privacy for privacy and opt-out information.