Ipswich, Sheffield Wednesday, Grimsby and Wrexham are just some of the lower-league - or non-league - sides still dreaming of FA Cup glory, but will they make it to round five where some big clubs await?
BBC Sport's football expert Chris Sutton has cast his eye on this week's fourth-round replays, and picked out the teams he thinks will make it through to the last 16.
| FA Cup fourth-round replay predictions | |||
|---|---|---|---|
| When? | Gap in league? | Result | Sutton |
| TUESDAY, 7 FEB | |||
| Burnley v Ipswich | 26 | x-x | 5-0 |
| Fleetwood v Sheff Wed | 16 | x-x | 0-1 |
| Grimsby v Luton | 60 | x-x | 0-2 |
| Sheff Utd v Wrexham | 72 | x-x | 5-1 |
| WEDNESDAY, 8 FEB | |||
| Sunderland v Fulham | 21 | x-x | 1-2 AET |
AET = After extra time
Sunderland versus Fulham is being shown live on BBC One, BBC iPlayer and the BBC Sport website.