Dave Mackay is back from a calf injury and Graham Gartland has recovered from a virus but Steven Milne is a doubt with a groin complaint.
Peter MacDonald will see a specialist about his knee injury.
Saturday's match kicks off at 12pm.
St Johnstone (from): Smith, Grainger, Gartland, Sheerin, Irvine, Mackay, Anderson, Morris, Craig, Davidson, Morais, Millar, Deuchar, Milne, Sheridan, Samuel, Rutkiewicz, Main, Swankie, Reynolds.
Source: Team Talk
Source: Team Talk