Ahead of Manchester United’s trip to Liverpool today, it was one of Erik ten Hag’s former players that caught Shay Given’s eye. Given was speaking on the BBC’s Match of the Day yesterday and was so impressed with one performance against United’s rivals Manchester City. Pep Guardiola’s side were immensely frustrated to draw late on against Crystal Palace, and Shay Given thought goalkeeper Dean Henderson was instrumental throughout. Of course, Erik ten Hag decided to sell United’s Henderson for £15m this summer, a decision Given may even now consider a mistake. Either way, he was extremely impre…