Davies is suspended following his sending-off in the 2-1 victory over Blackburn on Sunday and Fabrice Muamba is expected to return to the Wanderers starting line-up in his place.
Lonely place: Mark Davies walks off after being sent off against Blackburn
Otherwise, manager Owen Coyle should have the same squad to choose from as he did for the game against Rovers.
Team (from): Jaaskelainen, Bogdan, Cahill, Steinsson, Knight, Robinson, Lee, Holden, Muamba, Petrov, Cohen, K Davies, Elmander, Blake, Taylor, Klasnic, Ricketts, Alonso, Moreno.
CLICK HERE FOR THE WEEKEND TEAM NEWS IN THE BARCLAYS PREMIER LEAGUE Explore more:People: Fabrice Muamba, Owen Coyle