Rovers make one change from the side that defeated Leeds United last time out.
With Corry Evans serving a one-match ban, his place in the centre of midfield is taken by Lee Williamson.
There's also a welcome return to the squad after injury for Fode Koita, the Frenchman is named on the substitute's bench.
For the home side, they make three changes following their weekend loss with David Cotterill, Andrew Shinnie, and Jonathan Spector all coming in.
BIRMINGHAM: Kuszczak, Grounds, Gray, Gleeson, Donaldson, Cotterill, Shinnie, Spector, Davis, Morrison (c), Caddis
Subs: Legzdins (GK), Robinson, Kieftenbeld, Solomon-Otabor, Maghoma, Toral, Brock-Madsen.
ROVERS: Steele, Marshall, Duffy, Hanley (c), Olsson, Taylor, Williamson, Akpan, Conway, Lawrence, Rhodes.
Subs: Raya (GK), Henley, Spurr, Kilgallon, Delfouneso, Koita, O’Sullivan.