Brentford will be without Adam Forshaw when they head to Preston.
The young midfielder, who is on loan from Everton, suffered a broken jaw during the first half of Saturday's 2-0 win over Rochdale and needs an operation.
Toumani Diagouraga came on for Forshaw and scored just eight minutes later, so he is in line to start at Deepdale.
Another midfielder, Marcus Bean, came off in the second half after taking a knock to his knee but the Bees are hopeful he will be available.
On-loan striker Clinton Morrison made his debut as a late substitute and will be pushing for a place in the starting line-up.
Winger Myles Weston (ankle) and club captain Kevin O'Connor (foot) are still on the sidelines.
Preston expect to be without midfielder Barry Nicholson.
Nicholson was substituted early in Saturday's 1-1 draw with Bury due to a hamstring injury and is expected to have a scan this week, with boss Graham Westley predicting he faces at least a fortnight on the sidelines.
"He's sore and we'll probably get him scanned later this week when it's settled down," said Westley. "It's not going to be seven or 10 days, I don't think."
Neil Mellor made his long-awaited return from a knee cartilage problem from the bench against the Shakers and is expected to be a substitute once more, while fellow forward Rhys Murphy is battling to return along with midfielder Danny Mayor as the pair look to shake off muscular strains.
"Murphy is going to train on Monday so he may be back in the reckoning, Danny we're not sure," Westley added. "He's probably unlikely on Tuesday night - a possibility, but he's more likely for the weekend."
Arsenal loanee Chuks Aneke is expected to be retained in the starting XI having marked his North End debut with a goal on Saturday.