Charlie MacDonald returns to the Leyton Orient squad.
MacDonald was cup-tied as Orient missed out on a trip to Wembley following an agonising 3-2 aggregate defeat by Southend in the Johnstone's Paint Trophy on Wednesday night.
Fellow striker Kevin Lisbie has done some light training after six weeks out with a hamstring injury and could return, although the club will be anxious not to bring him back too soon.
Full-back Gary Sawyer is out with the knee injury he suffered at Hartlepool last Saturday and back-up goalkeeper Lee Butcher remains sidelined by his knee problem.
Jimmy Smith, Anthony Griffith and Nathan Clarke could earn recalls if boss Russell Slade makes changes following their midweek exertions.
Crawley skipper Josh Simpson will miss the trip.
The midfielder scored Town's goal during Monday night's 1-1 draw against Doncaster but did not make it to the end of the first half after suffering an ankle injury.
An X-ray has allayed Crawley's initial fears that he had broken his ankle, but the club are now awaiting the results of a scan to determine whether there is any ligament damage.
Teenage striker Aiden O'Brien was an unused substitute against Rovers and will be pushing to make his full debut following his loan switch from Millwall.
Defender Kyle McFadzean, who has been out since November due to a virus, hopes to play in a reserve game next week.
