Rangers striker Francisco Sandaza is rated doubtful for Saturday's William Hill Scottish Cup fifth-round tie against Dundee United.
The Spaniard is struggling with a hamstring problem, while skipper Lee McCulloch has failed to recover from an ankle injury in time.
Lewis Macleod also misses the clash at Tannadice after being ruled out for seven weeks with knee ligament damage sustained against Montrose last weekend.
Jackie McNamara has a full squad to choose from in his first game as Dundee United manager.
United kept their squad intact on transfer deadline day despite reported interest in forward Johnny Russell.
Czech midfielder Rudi Skacel's short-term contract expired on Wednesday.
Dundee United (from): Cierzniak, Dillon, Douglas, Gunning, Watson, Flood, Rankin, Mackay-Steven, Millar, Armstrong, Russell, Daly, Banks, McLean, Ryan, Gardyne, Gow.
Rangers (from): Alexander, Hegarty, Faure, Cribari, Wallace, Perry, Hutton, Black, Templeton, Shiels, McKay, Sandaza, Little, Crawford, Gallacher, Naismith, Argyriou, Aird.