Paul Scholes described it as an audition to Ruben Amorim, and Amad Diallo showed why he can become a key player for the incoming Manchester United head coach.
With the Portuguese tactician now just a few days away from officially taking charge of the Red Devils, a system tweak could be on the cards given how much success he's had at Sporting CP deploying a 3-4-2-1 (or 3-4-3) formation.