Kilmarnock boss Kenny Shiels has a major selection headache ahead of the meeting with St Johnstone with five players set to miss the trip to Perth.
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Defenders Garry Hay and Rory McKeown, skipper Manuel Pascali and forwards Rory McKenzie and Borja Perez are all unavailable through injury but midfielder Sammy Clingan has been passed fit.
Meanwhile, former Rangers striker Kris Boyd could be in line for his first Killie start after scoring in a midweek Under-20s meeting with Saints.
St Johnstone midfielder Patrick Cregg is suspended.
And defender Frazer Wright is a doubt with a knee injury.
The former Killie centre-back came off at half-time against Hearts in midweek with a tendinitis problem.
St Johnstone (from): Mannus, Scobbie, McCracken, Mackay, Wright, Craig, Millar, Anderson, Abeid, Tade, Vine, Hasselbaink, MacLean, Edwards, C Davidson, Caddis, Tuffey, M Davidson.
Kilmarnock (from): Bell, Barbour, Tesselaar, Sissoko, Fowler, Clingan, Dayton, Racchi, Sheridan, O'Leary, Heffernan, Gros, O'Hara, Letheren, Ibrahim, Winchester, Johnston, Boyd.