Aberdeen will be without suspended duo Rory Fallon and Ryan Jack.
Boss Craig Brown is hopeful Rob Milsom will recover from an ankle injury in time and will also give Kari Arnason every chance of proving his fitness after struggling with a hamstring problem.
Yoann Folly looks set to miss the visit of the Steelmen with a chest problem.
Motherwell defender Tim Clancy is suspended.
The Irishman begins a two-match ban following his red card against Celtic.
Stephen Hughes comes into the squad after signing a six-week deal while Bob McHugh (ankle), Lee Hollis (hip) and Steven Saunders (Achilles) remain on the sidelines.
Aberdeen (from): Gonzalez, Foster, Considine, McArdle, Mawene, Osbourne, Clark, Magennis, Milsom, Mackie, Arnason, Fyvie, Chalali, Robertson, Brown, Megginson, Grimmer, Vernon.
Motherwell (from): Randolph, Hateley, Hutchinson, Craigan, Hammell, Jennings, Lasley, Law, Forbes, Murphy, Humphrey, Higdon, Daley, Page, Carswell, Smith, Hughes, Bradley.