Captain Russell Anderson is doubtful for Aberdeen's Clydesdale Bank Premier League match with Kilmarnock on Saturday.
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The defender missed the midweek William Hill Scottish Cup win at Motherwell with a back problem.
Clark Robertson returned at Fir Park and is set to continue, while midfielder Stephen Hughes is nearing a return, but Ryan Fraser, Ryan Jack, Rob Milsom, Chris Clark, Gary Naysmith and Isaac Osbourne remain out.
Kilmarnock captain Manuel Pascali is available again following suspension.
The defender completed a two-match ban last weekend against Celtic.
Killie have no other concerns for the trip to Pittodrie.
Aberdeen (from): Langfield, Considine, Reynolds, Anderson, Masson, Hayes, McGinn, Smith, Fallon, Vernon, Magennis, Jason Brown, Shaughnessy, Murray, McManus, Rae, Jordon Brown, Rogers, Robertson, Megginson, Hughes.
Kilmarnock (from): Bell, Nelson, O'Leary, Fowler, Tesselaar, Harkins, Johnson, Racchi, McKenzie, Borja, Dayton, Sheridan, Heffernan, Davidson, Letheren, Sissoko, O'Hara, Taylor, Kelly, Hay.