Jurgen Klopp has admitted he can’t help but respect one thing Manchester United did against his side in Sunday’s thrilling FA Cup quarter-final. Manchester United have booked their tickets to Wembley – where they will face Coventry City in the semi-finals – after a remarkable 4-3 win over their fierce rivals. A rollercoaster of a game began with Scott McTominay giving Erik ten Hag’s side an early lead as they started the game confidently. Yet, old failings would haunt them again as Liverpool scored twice in a disastrous three-minute spell at the end of the half. It looked as though a meek exit…