Wright and Watt not quite there as yet.
He took a squad of eighteen to Notts County on Tuesday night, and those same players will take on Paul Dickov's side at the Weston Homes Community Stadium this weekend.
In Wednesday's U21s game at Sheffield United, David Wright and Sanchez Watt played sixty five and ninety minutes respectively, but the Donny game is too soon for a first team return for either.
Dunne will also be without Josh Thompson and Drey Wright, recovering from their hamstring and knee injuries, while Tosin Olufemi only just starts the next phase of his long road to recovery from a ruptured Achilles Tendon.
Two weeks after his surgery, the U's full back is out of his plaster cast but in an air boot which allows him to begin very light rehab work.
U's: Walker, Lewington, Clohessy, Gordon, Kent, Okuonghae, Eastman, Gilbey, Eastmond, Bean, Curtis, Moncur, Massey, Sears, Vose, Szmodics, Holman, Ibehre.