How could Man Utd replace injured Fernandes?

United's manager Amorim is sticking to his system-driven philosophy, requiring players to adapt to his tactics rather than altering the system. His preferred 3-2-4-1 shape focuses on passing routines and playing long balls from the keeper, demanding midfielders like Casemiro and Fernandes to fulfill specific roles. Amid constraints like injuries and the Africa Cup of Nations, Amorim may consider tweaking his system for a back four or three midfielders, which could benefit players like Mainoo.