The pair went off in the first half of last weekend's William Hill Scottish Cup win at Forfar with hamstring injuries.
Striker Scott Vernon, who signed a new contract this week, is likely to feature despite suffering a dead leg at Forfar, while midfielder Rob Milsom, defender Youl Mawene are doubts with undisclosed injuries, and Yoann Folly is a long-term injury victim.
Aberdeen (from): Brown, Considine, Jack, Mackie, Pawlett, Clark, Arnason, Osbourne, Vernon, Fallon, Magennis, Gonzalez, McArdle, Robertson, Megginson, Grimmer, Fyvie, Chalali, Reynolds, Langfield.