Peter Haring has suffered a recurrence of a groin injury and is a doubt for Hearts as they prepare to face Rangers at Tynecastle.
The Austrian midfielder shook off the problem to face Inverness Caley Thistle in last weekend's William Hill Scottish Cup semi-final but it has resurfaced and he is now battling to be fit for Saturday's Premiership clash.
Craig Levein will also be without full-backs Ben Garuccio and Demetri Mitchell and forward Steven Naismith, who are all out with knee injuries.
And in a further blow, Callumn Morrison and Aidan Keena have been ruled out for the season, which depletes the number of fit Jambos yet further in a season where Levein's side has seemed to be continuously ravaged by injuries.
Predicted lineup:
Provisional squad:
*Zlamal,
*Smith,
*Godinho,
*Brandon,
*Berra,
*Souttar,
*Shaughnessy,
*Burns,
*Mulraney,
*Bozanic,
*Djoum,
*Lee,
*Clare,
*Haring,
*Ikpeazu,
*Wighton,
*MacLean,
*Vanecek,
*Doyle.
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