Manchester United got their biggest win of the season, twice coming from behind to beat Liverpool 4-3 in the FA Cup Quarter Final. But rather than this being a "bad day at the office" for Jurgen Klopp, the game was a long-awaited justification for how Erik Ten Hag has built his team. Adam Clery explains why, despite all the chaos, it's the Dutchman who deserves the most credit.