Allan Saint-Maximin’s stunning extra-time winner helped Steve Bruce’s side edge past Oxford United in dramatic fashion and set up a trip to West Bromwich Albion.
But do the bookmakers think United can win the tournament? Click and scroll through the pages to see how their chances are rated:
13. Chelsea
Odds to win the FA Cup: 10/1 | Getty Images Photo: Mike Hewitt
14. Tottenham Hotspur
Odds to win the FA Cup: 9/1 | Getty Images Photo: IAN KINGTON
15. Leicester City
Odds to win the FA Cup: 9/1 | Getty Images Photo: Michael Regan
16. Liverpool
Odds to win the FA Cup: 4/1 | Getty Images Photo: PAUL ELLIS