Sara Errani and Andrea Vavassori successfully defend US Open mixed doubles against tennis’ biggest stars

This wasn’t just a victory for Sara Errani and Andrea Vavassori. Their US Open mixed doubles title also felt like a victory for all doubles tennis players.

​ This wasn’t just a victory for Sara Errani and Andrea Vavassori. Their US Open mixed doubles title also felt like a victory for all doubles tennis players. Read More Breaking News, Latest News and Videos | CNN