Seven-time title winner Danny McGrain is excited about the potential that current Celtic star Kieran Tierney seems to boast.
Celtic defender Kieran Tierney is one of the best young players in the Scottish Premiership.
The 18-year-old has been one of the Scottish Premiership side's strongest players this term.
We continue our countdown of the greatest 30 footballers to have played for the Bhoys.
The Celtic manager has been answering questions that the club's faithful want to know.