Fraser Forster is of the belief that some of Celtic's quality players may exit the club at the end of the season.
The Hoops were eliminated from the Champions League by Juventus on Wednesday night (5-0 on aggregate) and goalkeeper Forster feels it may be the last time that particular group of players compete together in Europe for the Glasgow giants.
"There have been some fantastic performances and various performances will have caught the eye throughout the competition," said Forster.
"We'll just have to wait and see what happens in the summer. I wouldn't be surprised if one or two faces leave but no doubt we'll bring in a few as well."