Bristol City forward Andreas Weimann needs to be assessed before the visit of QPR.
The Austria international sustained a leg injury in last week's Nations League match against France and, while it is not believed to be serious, manager Nigel Pearson needs to make a decision following the player's return.
Tommy Conway, Alex Scott and Antoine Semenyo – who has yet to start for City this season and played only 22 minutes over two games for Ghana – have all returned from international duty without any issues.
Defender Timm Klose (knee) is nearing a comeback to the squad after a month out but Tomas Kalas (knee) and Ayman Benarous (ACL) remain sidelined.
QPR defender Jake Clarke-Salter is close to rejoining the squad after a hamstring injury.
The centre-back has been out since the opening day of the season but played for an hour for the under-21s last week
Midfielder Luke Amos also featured in that game, having been out for eight weeks with a knee injury.
The international break has given defender Rob Dickie additional time to recover from an ankle injury which forced him to miss two matches.
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