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Jordan Cousins (hamstring), Chris Solly (ankle) and Patrick Bauer (groin) could all return for embattled Charlton.
Reza Ghoochannejhad has been ruled out after tweaking a hamstring on international duty with Iran.
Birmingham give a late test to new loan signing Kyle Lafferty, who suffered a groin injury while on international duty with Northern Ireland.
Clayton Donaldson and Jacques Maghoma also face tests after international duty but Diego Fabbrini (toe) is fit.
- Charlton have won just two of their past nine league meetings with Birmingham (D4 L3).
- The Blues have won only once in their last seven trips to The Valley in the league (D4 L2).
- The Addicks have failed to score in more games this term than any other second-tier side (18).
- Birmingham have failed to score in all of their past five away games.
- Birmingham have scored just four goals in their past nine games in the Championship and never more than once in a game.
- No Championship side has won fewer points at home this season than Charlton (20).