Derby will be without on-loan striker DJ Campbell as parent club Leicester have not given him permission to play. Rob Hulse, Chris Porter and Kris Commons are all vying to partner Steven Davies, while defender Shaun Barker is expected to shake off a knee injury.
Doncaster boss Sean O'Driscoll is not expected to make any changes with no new injury or suspension problems.
Midfielder Martin Woods is back in training following a groin injury, but is not expected to return.
BIG-MATCH FACTS
The tie in context
• This is one of three ties that will see a Championship club progress, and one fall by the wayside.
• These of two of the 12 representatives from the Championship in the fourth round.
Gulf in class
• Doncaster are just six places superior to Derby in the league table.
Head-to-head
• This is the 16th competitive meeting of these clubs; Derby have won eight of the previous 15.
• Doncaster are unbeaten in five league and cup clashes with the Rams, and have won the last three. That includes this season's league clash at Pride Park.
Derby 0-2 Doncaster (19 Dec)
• Derby last defeated Rovers 3-0, away from home, in the old Third Division in December 1985. They last beat them on home soil 10 months earlier.
FA Cup records and best performances
• They have never met in the FA Cup.
The clubs
DERBY COUNTY
Current form
• Last Saturday's 3-0 win at Peterborough was their first victory in conventional play in seven outings.
• Paul Green could play against his only former club.
• Gary Teale is on the verge of his 100th appearance in Derby colours.
FA Cup form
• The Rams are hoping to qualify for the fifth round for the second season running and for the third time in four years.
DONCASTER ROVERS
Current form
• Won six of seven league and cup matches, including the last two.
• Kept clean sheets in five of the last seven.
• James Coppinger is hoping to make his 200th start in a Doncaster shirt.
FA Cup form
• Doncaster have not tasted life in the fifth round for 54 years, since Tottenham ended their interest in February 1956.
• Rovers have failed to score in 49 FA Cup ties in their history.
Replay date
Tuesday, 2 February 2010 (Kick Off: 1945)
Match officials
Referee: Colin Webster (Tyne & Wear)
Assistant referees: Mathew McLauglin & Paul Marsden
Fourth official: Gary Sutton
Source: BBC Sport
Source: BBC Sport