McCann revealed he is sweating on the fitness of two unnamed players ahead of the clash, with several senior players already unavailable.
Captain Richard Wood is also touch and go for the trip to Gloucestershire but midfielder Ben Close is available and could make his first appearance of the season.
Here’s how Doncaster might line up.
5. CB - Tom Anderson
If fit, Anderson has a big part to play in this team. Photo: Howard Roe/AHPIX LTD
6. CB - Richard Wood
Captain Wood is expected to return to the side if fit enough. Photo: HOWARD ROE
7. CM - Zain Westbrooke
Westbrooke is enjoying his best spell in the side yet. Photo: Howard Roe/AHPIX LTD
8. CM - George Broadbent
With Ben Close unlikely to be risked from the start, Broadbent could get the nod again. Photo: HOWARD ROE
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