Chris Maguire and Scott Vernon will both be fit for Aberdeen after shaking off midweek injury concerns.
Fellow forward Andrius Velicka returns after his loan agreement prevented him from facing Rangers, while Andrew Considine is pushing for a recall following a knee injury.
Fraser Fyvie and Darren Mackie remain out with long-term knee injuries while Nikola Vujadinovic (hamstring) and Peter Pawlett (toe) are also expected to miss out again.
St Johnstone have a number of injury concerns. Steven Anderson (heel), Chris Millar (groin), Dave Mackay (thigh) and Liam Craig (calf) are all doubtful.
Graeme Smith, Kevin Moon, Graham Gartland and Martin Hardie remain on the sidelines.
Aberdeen (from): Langfield, Ifil, Diamond, McArdle, Robertson, Folly, Magennis, Aluko, Hartley, Jack, Vernon, Maguire, Young, Howard, Considine, Paton, Fraser, Velicka.
St Johnstone (from): Enckleman, Grainger, Anderson, Rutkiewicz, Duberry, Taylor, Morris, Maybury, Craig, Dobie, Davidson, Parkin, Samuel, MacDonald, May, Clark, Adams, McIntosh, Caddis, Mackay, Millar.
