Watford claimed their place in the last 16 with a win over Premiership strugglers West Bromwich Albion on Saturday.
Fifth round draw:
Man Utd v Arsenal
Southampton or Millwall v Norwich
C Palace or Liverpool v Gillingham or Leeds
Wolves v Rochdale
Fulham v Burnley
Stoke v Chelsea
Blackburn or Sunderland v Watford
Sheff Utd v Walsall
(Ties to be played 15th/16th February)