Wednesday's game follows hot on the heels of Sunday's remarkable Emirates FA Cup semi-final with Coventry City, which we won on penalties after the Sky Blues came back from a 3-0 deficit to force extra-time.
It was a dramatic and gruelling afternoon under the arch at Wembley and two Reds who started the game are now doubts for our clash with the Blades, which is a fixture rearranged from March.
Marcus Rashford was replaced by Amad in the dying seconds of normal time, while Scott McTominay came off for Omari Forson, and the homegrown pair face a race to be fit for this fixture.