straight to your inbox every day for freeManchester United could hand a debut to £37million teenager Amad Diallo when they face Liverpool in the FA Cup fourth-round at Old Trafford on Sunday.Ole Gunnar Solskjaer is set to make changes for the second meeting with Liverpool in eight days and while Diallo is unlikely to start, the 18-year-old may be set for a place on the bench.Diallo completed his move from Atalanta to United this month and the winger has impressed in first-team training.