By Katie Catherall Manchester United will be hoping to prove themselves when they take on in-form Liverpool in the FA Cup on Sunday at Old Trafford. The two sides last met in December, when the Red Devils were able to prove everyone wrong and hold on to a 0-0 draw at Anfield – a huge improvement from their 7-0 loss earlier in 2023. United have dug deep recently against Liverpool but with the Reds getting key players like Mohamed Salah back, if they perform, they will perform well. Rasmus Hojlund is set to return from injury, gifting some hope to United, who will have a far better chance with h…