Mixed fortunes for ex-Celtic stars but a few are proving to be top assets for clubs

Departing defender leaves £3million Celtic legacy

Potential first Celtic signing of the summer reportedly gets a step closer

Celtic boss sets high expectations for summer transfer market business

Never a dull moment as much discussed centre-back leaves Celtic a winner

Report: Celtic in talks over defender they will need to break the bank for

Will a potential record transfer lead to Celtic return for title winner?

At times maligned Celtic defence deserves credit for remarkable achievement

Former team-mates think veteran defender would have 'tremendous influence' on Celtic

If he can get fit, recently released title winner would be perfect addition to Celtic squad