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.
9. AM - Luke Molyneux
In-form Molyneux is likely to form part of Doncaster's forward line. Photo: HOWARD ROE
10. ST - Joe Ironside
Ironside has led the line well in recent weeks. Photo: Howard Roe/AHPIX LTD
11. ST - Mo Faal
Faal promised once one goal arrived more would follow. Over to you, then... Photo: Howard Roe/AHPIX LTD
3 / 3