Michael Paton and Peter Pawlett have been added to Aberdeen's lengthy injury list ahead of the game.
Pawlett is set to miss the rest of the season with a torn hamstring but Paton (calf) could be back for the visit of St Mirren on Tuesday.
Andrew Considine, Paul Hartley (both knee), Rory McArdle (shoulder), David McNamee (hamstring), Scott Vernon (hernia), Yoann Folly (leg) and Darren Mackie (knee) remain out but Fraser Fyvie will be on the bench for the first time since suffering cruciate ligament damage in August.
Michael Duberry and Steven Anderson both return from two-match suspensions for St Johnstone.
Graham Gartland has had a hernia operation and is out for the rest of season, as is Jody Morris with a back injury.
Collin Samuel (hip) is out while Danny Grainger (groin) and Murray Davidson (hip) are doubts.
Aberdeen (from): Langfield, Diamond, Smith, Aluko, Vujadinovic, Milsom, Blackman, Maguire, Magennis, Howard, Young, Jack, Anderson, Robertson, Brown, Fyvie, Shaughnessy, Low.
St Johnstone (from): Enckelman, Maybury, Duberry, Anderson, MacKay, Adams, Grainger, Millar, Davidson, Moon, Invincibile, Craig, Jackson, MacDonald, Robertson: Smith, Durnan, May, Reynolds.