St Johnstone have doubts over Steven Anderson and Collin Samuel for Saturday's Scottish Premier League trip to Pittodrie to face Aberdeen.

Defender Anderson has a toe injury, while striker Samuel is struggling with a knock to the knee.

Stuart McCaffrey (groin), Steven Milne (ankle) and Euan McLean (ankle) are out.

St Johnstone (from): Smith, MacKay, Grainger, Anderson, Rutkiewicz, Gartland, Morris, Davidson, Hardie, Craig, Morais, Millar, Deuchar, Samuel, Johansson, Main, Reynolds, Kelly, Sheerin, Swankie.