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:
5. Sheffield Wednesday
Odds to win the FA Cup: 66/1 | Getty Images Photo: Matthew Lewis
6. Reading
Odds to win the FA Cup: 66/1 | Getty Images Photo: Alex Davidson
7. Norwich City
Odds to win the FA Cup: 66/1 | Getty Images Photo: Stephen Pond
8. Southampton
Odds to win the FA Cup: 50/1 | Getty Images Photo: Bryn Lennon