Manchester United boss Erik ten Hag made a comment about Arsenal right after his side’s FA Cup quarter-final victory yesterday. Erik ten Hag’s men picked up a dramatic 4-3 win over Liverpool and booked their place in the semi-finals at Wembley. But while the Dutchman was delighted with the result, it would appear that United’s defeat at Arsenal back in September is still bothering him. Of course, the Gunners picked up a 3-1 win over the Red Devils thanks to late goals from Declan Rice and Gabriel Jesus. United had a goal ruled out on the day which would have handed them a 2-1 lead late in the …