Archie Davies' season looks to be over after he injured his hamstring in Carlisle United's victory over Newport County.
The right-back had to be substituted in the 24th minute of the 3-2 win at Brunton Park.
And head coach Mark Hughes later confirmed that it looks an injury serious enough to mean a comeback in United's last five games is unlikely.
"It's a bad one," said Hughes of Davies' injury.
"He's probably out for the season I would imagine.
"It's a shame because he's played well and worked exceptionally hard for the team but it just caught up with him today."
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Davies was replaced by Charlie McArthur against Newport, as Jack Ellis, who made just his fourth start of the league season at left-back, switched to the right.
Jack Ellis, centre, started at left-back then moved to the right after Davies' injury (Image: Ben Holmes)
Hughes praised both players for their adaptability in United's comeback victory against Nelson Jardim's Exiles.
"They did what was required," said Hughes,
"Defensively they were solid and that was important."