Captain Calum Chambers looks set to miss Cardiff City's final four games of the season with a wrist injury.
The 31-year-old former Arsenal defender sustained the injury during the 1-1 draw at Peterborough United earlier this month.
There is better news for fellow centre-back Dylan Lawlor, who is managing a toe injury and could feature in Saturday's trip to Reading, where Cardiff, who are second in League One, could seal automatic promotion.
"I think he's got a sore toe. It wasn't possible for him to finish the game on Tuesday [1-1 draw at Huddersfield Town], but fingers crossed he'll be OK," said head coach Brian Barry-Murphy.
"Calum Chambers has damaged his wrist. He's definitely out, and no definite date on his return. I think he's going to be out for a while. He's been assessed in terms of the extent of his damage in his wrist."
Cian Ashford will also miss the Reading game with a back injury but fellow forward Isaak Davies is back in training and nearing a return following a hamstring injury.
