After establishing himself in Celtic's starting XI this season, left-back Kieran Tierney, or 'KT' as he is known to team-mates, has been tipped for a great future at club and international levels.Name: Kieran TierneyClub: CelticDebut: 22 April 2015 v DundeePosition: left-backNationality: ScottishDate of birth: 5 June 1997Preferred foot: left Height: 1.78mThey say …"I wouldn't change Kieran Tierney for anyone. You see his attitude, it's always first class and he'll only get better. He...