Koleosho (centre) tried to play on after suffering a knock against Wolves but had to come off in the first half
Burnley have suffered an "undeniable blow" in their Premier League relegation battle with teenage winger Luca Koleosho ruled out for several months, boss Vincent Kompany says.
The 19-year-old has caught the eye in a side that has lost 12 from 15 league games this season.
The latest defeat was a 1-0 loss to Wolves in which Koleosho limped off after 36 minutes.
"It's bad news for us, he's going to be out for a while," Kompany said.
"I'd like to think he'll still play this season, but it might be towards the end of the season."
The pacy Italy under-21 international, a £2.6m summer signing from Espanyol, scored his first goal for the Clarets in last week's 5-0 win over Sheffield United, a game which saw the Premier League's bottom two sides against each other.
"We'll do everything we can to make sure that he'll get back healthy and ready to go again," Kompany added.
"I think now the key concern for us is to make sure he doesn't sustain any long-term damage because he's still young, we'll do everything right by him.
"I've no doubt he'll come back stronger, but for us short-term wise it's an undeniable blow."
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Koleosho (centre) tried to play on after suffering a knock against Wolves but had to come off in the first half
Source: bbc.com