McDonald is still struggling with the knee injury which forced him to miss Tuesday night's 4-0 defeat at Birmingham and the Lions are likely to give him the international break to fully recover.
Defender Mark Beevers also misses out with a knee problem.
Boss Steve Lomas may make changes following their midweek setback with left-back Shane Lowry pushing for a start after he returned from suspension on the bench at St Andrew's.
- Sports & Recreation
- Disease & Medical Conditions