How did Santos perform on Man Utd debut?

[BBC]Manchester United head coach Michael Carrick picked all his most experienced players to start in the friendly defeat to Wrexham and changed his entire team at half-time - and there is obviously lots that cannot be learned from a single 45-minute outing.However, it was clear what Andrey Santos' task was.Starting on the left of a two-man midfield, with Mason Mount on the right and Jack Fletcher slightly further forward, Santos was the player who always dropped back the furthest.It didn't happ