Driver has aggravated his troublesome knee problem and will not be risked, while Mole is out with an ankle injury.
Calum Elliot is finally back from a knee operation, though, while Eggert Jonsson returns from suspension.
Marius Zaliukas (ankle), Suso Santana (hernia) and David Templeton (foot) remain out, and Laryea Kingston (hamstring) is still building up to full fitness.
Kick-off in Edinburgh is at 12.30pm.
Jambos (from): Balogh, Kucharski, Jonsson, Bouzid, Goncalves, Palazuelos, Obua, Black, Witteveen, Nade, Wallace, C Thomson, J Thomson, Novikovas, Elliot, J Stewart, Glen, Kello.
