Sheffield Wednesday's new loan signings Leon Best, Sam Hutchinson and Gary Gardner could all feature against Charlton in the FA Cup.
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Blackburn striker Best, in his third spell with the Owls, Chelsea defender Hutchinson and Aston Villa midfielder Gardner, brother of Sunderland's Craig, arrived on emergency loan deals this week and are expected to be included in Stuart Gray's squad.
Gardner's arrival off-sets the injury blow suffered by Jose Semedo, who fractured his fibula and damaged ligaments in the midweek defeat to Wigan.
Boss Gray also hopes to be boosted by the return of centre-half Glenn Loovens, who has missed the last three games due to a hamstring injury.
Charlton manager Chris Powell has rated first-choice goalkeeper Ben Hamer "50/50" to be fit.
An ankle injury has restricted Hamer to just one appearance since November 23 and Powell is unlikely to risk him in such a big match.
Left-back Rhoys Wiggins could miss out once more with the hamstring problem picked up at Wigan two weeks ago.
The Addicks are still without defenders Chris Solly and Leon Cort (both knee) as they look for relief in the cup after four successive league defeats.