Crystal Palace weigh up £5m bid for Scott Brown
Eagles boss Neil Warnock has had the former Hibs midfielder watched on a number of occasions this season, and is believed to be a big fan of the 29-year-old.
The Selhurst Park gaffer has reportedly earmarked the Scotland international as the key to ensuring Palace avoid relegation from the English Premier League.
If Brown joined Palace, he would join up with former Celtic team-mate Joe Ledley as well as fellow Scots Barry Bannan, James McArthur and Chris Kettings.
But Ronny Deila will no doubt be reluctant to lose his influential captain as Celtic eye progress in the Europa League.