Manchester United edged beyond arch rivals Liverpool to progress to the fifth round of the FA Cup after a classic encounter at Old Trafford.
Mohamed Salah netted twice for the strugglers but, with the clash ebbing freely from end to end, the hosts responded through goals from two academy products and their talisman.
Mason Greenwood and Marcus Rashford slotted home fine finishes - and a late free kick from Bruno Fernandes sent Ole Gunnar Solskjaer's men through.
Sportsmail's CHRIS WHEELER ran the rule over both sets of players.