Bruno ran himself into the ground, as usual, before going off towards the end after appearing to tweak his hamstring when missing a clearance on the edge of his own box.
However, head coach Ruben Amorim stressed afterwards that the midfielder had told him it was not an issue to worry about, ahead of Thursday's home game against West Ham United.
Fernandes's clever, deceptive set-piece allowed Zirkzee to rifle past Dean Henderson from a difficult angle, before the Portugal international rolled the ball into the path of Mount, inviting the no.7 to fire home the winner.