Manchester United defeated Liverpool in the FA Cup. Yes, it happened. I was there to witness a simply glorious affair at Old Trafford. The place was simply rocking, and subsequently on a fine Monday morning – I have a mightily croaky voice. But it was all worth it. To see Amad Diallo‘s goal trickle into the net up in the gods of the Stretford End is a Manchester United memory that will live with me for a lifetime. There was a sea of good performers on the day, but no one is really talking about the £120,000 p/w man, who once again, shone bright at Old Trafford and showed immense leadership cap…