The Blades booked their place in the last eight of the competition and it understandably has supporters dreaming of Wembley. Do the bookmakers think United can win the tournament? Click and scroll through the pages to see how their odds:
1. Manchester City
Odds to win the FA Cup: 11/8 Photo: Laurence Griffiths
2. Chelsea
Odds to win the FA Cup: 6/1 Photo: Shaun Botterill
3. Arsenal
Odds to win the FA Cup: 7/1 Photo: ADRIAN DENNIS
4. Leicester City
Odds to win the FA Cup: 8/1 Photo: DANIEL LEAL-OLIVAS