Dunne's one-match ban comes into effect immediately, so Danny Mills may shift into central defence with Jihai Sun returning at right back.
Keegan's could otherwise hand Danish defender Mikkel Bischoff his first league start for 2 years alongside Sylvain Distin.
Paulo Wanchope has been withdrawn from the squad as he has opened talks with Spanish side Malaga.
For Brum that blonde player (Mourinho on Robbie Savage) begins a
three-match ban after elbowing Mateja Kezman in their 1-0 home defeat by Chelsea last Saturday.
City's defence could be up against striker Mikael Forssell, who was ruled out at the weekend as part of his loan agreement from Chelsea, and defender Kenny Cunningham is back from suspension.