Burnley goalkeeper Nick Pope sustained a potentially serious shoulder injury in the Europa League draw at Aberdeen.
Pope, making his first appearance since returning from England’s World Cup campaign, was taken to hospital following the 12th minute collision, which resulted in Anders Lindegaard making his Clarets debut.
And manager Sean Dyche was not confident of good news once a diagnosis is confirmed.
The Clarets boss said: “We are waiting to find out more news. Nick has gone to hospital with an injury to his shoulder and it certainly looks more serious than not serious at this stage, so we are really disappointed in that.
“It was a bit of a needless challenge when Nick looked like he was just going to catch it, and then (after the ball lands) I think it’s the second challenge.
“When he responds to stop the ball going in I think the lad has caught his arm and knocked it back, so we’ll just have to wait and see.”
The injury leaves the Clarets with only two fit goalkeepers in LIndegaard and Adam Legzdins ahead of Sunday’s Turf Moor friendly with Montpellier, with Tom Heaton currently sidelined with a minor calf injury.