Kevin Kyle remains Hearts' biggest injury concern ahead of the game.
The striker has missed the last three matches with a groin problem and is rated as doubtful alongside Calum Elliot, Darren Barr and Jason Thomson.
Rudi Skacel, who has been struggling with a calf problem, came off at half-time in the 4-0 loss at Celtic on Wednesday, but Andrew Driver (thigh) is the only definite absentee.
St Johnstone's Danny Grainger starts the first of a two-game ban after going over the points threshold.
Jamie Adams is available after overcoming injury and illness.
Hearts (from): Kello, Barr, Bouzid, Zaliukas, Stevenson, Palazuelos, Templeton, Elliot, Elliott, Balogh, Kyle, Skacel, Jonsson, Mrowiec, C Thomson, Novikovas, Wallace, Obua, J Thomson, Kucharski, Santana.
Saints (from): Enckelman, Duberry, MacKay, Anderson, Morris, Craig, Maybury, Davidson, Millar, Samuel, MacDonald, May, Taylor, Smith, Reynolds, Parkin, Caddis, Adams.
