Manchester United manager Erik ten Hag has a really tough decision to make in attack for the FA Cup final. The story of Manchester United’s season has been one of injuries. At times, Erik ten Hag has barely been able to put a team together, and has frequently had to select players out of position, see Casemiro at centre-back and Sofyan Amrabat at left-back. Finally, heading into the FA Cup Final, Erik ten Hag has a positive selection dilemma, the kind which will keep him up at night for all the right reasons. What he does know, is who will start up front. Rasmus Hojlund. Who will start alongsi…