Celtic should take advantage of exiled former Aberdeen captain's situation in January

Celtic's lack of action proves they don't want centre-back

Celtic 'Invincible' could be in line for return to Scotland

Could northern development spur Celtic into life?

Former Celtic target's manager uncertain on player's future

Should prolific attacker be a Celtic transfer target?

Rival manager expects bids for defender - will one of those be from Celtic?

Does Celtic silence prove we no longer want defender?

One of Celtic's toughest away days just got tougher

Celtic should loan promising midfielder for his own good