Alejandro Garnacho was talking after Manchester United lifted the FA Cup on Saturday and picked out one player as the club’s best. On a sunny Saturday afternoon at Wembley, Manchester United made it a 13th FA Cup trophy, beating rivals Manchester City in the process. It was a day for Carrington to rejoice as two graduates scored the two goals which got United over the line, Alejandro Garnacho being the first, opening the scoring in the 30th minute. It was 2-0 just nine minutes later as Kobbie Mainoo finished off a fine United move to score what turned out to be the winner and handed United sil…