Ayr United's Ryan Stevenson begins a two-match ban and will miss the play-off semi-final second-leg and the first leg of the final should Ayr get through.
The midfielder played a starring role in the opening encounter at Glebe Park, with the home side 2-0 up.
Brechin will be without David Murie and Ian Nimmo after both men limped out of the opening leg with injuries
City will also still be missing injury-hit pair Neil Janczyk and Ross Harvey as they look to claw back the deficit at Somerset Park.
With Airdrie United taking a good 2-0 lead to their second leg against Peterhead on Sunday, a Ayr United Airdire final looks odds on.