Retirement question posed after Celtic invincible departs 14th career club / Kasper Schmeichel sends classy social media message to Celtic 'living legend' / 'We'll never know' - McCowan issues Rangers vs Celtic guard of honour response / Forgotten Celtic ace signed new contract before loan switch / 'In 2022 I was in that stand': Emotional McCowan goes full circle with Celtic title / Stephen McGowan: It is too soon for Celtic fans to fret over Terminado: The Sequel / Forgotten Celtic player hints at turning loan into permanent deal / Forgotten Celtic man shines for loan club as he's named in team of the week / 'It's unreal' - McCowan relishes Celtic's Champions League date with Bayern Munich / Transfer race to sign forgotten Celtic player 'heats up'