GLASGOW, SCOTLAND - AUGUST 24: Kieran Tierney during a Celtic MD-1 training session at Celtic Park, on August 24, 2026, in Glasgow, Scotland. (Photo by Ross MacDonald / SNS Group)
KILMARNOCK, SCOTLAND - AUGUST 09: Celtic's Kieran Tierney in action during a William Hill Premiership match between Kilmarnock and Celtic at BBSP Stadium Rugby Park, on August 09, 2026, in Kilmarnock, Scotland. (Photo by Craig Williamson / SNS Group)
GLASGOW, SCOTLAND - AUGUST 03: Celtic's Auston Trusty, Benjamin Nygren, Arne Engels and Kieran Tierney before a William Hill Premiership match between Celtic and Dundee at Celtic Park, on August 03, 2026, in Glasgow, Scotland. (Photo by Craig Foy / SNS Group)
GLASGOW, SCOTLAND - AUGUST 19: Celtic’s Kieran Tierney in action during a UEFA Champions League Play-Off Round first-leg match between Celtic and LASK, at Celtic Park, on August 19, 2026, in Glasgow, Scotland. (Photo by Ross MacDonald / SNS Group)
GLASGOW, SCOTLAND - AUGUST 19: Celtic's Kieran Tierney in action during a UEFA Champions League Play-Off Round first-leg match between Celtic and LASK, at Celtic Park, on August 19, 2026, in Glasgow, Scotland.(Photo by Rob Casey / SNS Group)
GLASGOW, SCOTLAND - AUGUST 19: Celtic's Kieran Tierney in action during a UEFA Champions League Play-Off Round first-leg match between Celtic and LASK, at Celtic Park, on August 19, 2026, in Glasgow, Scotland.(Photo by Rob Casey / SNS Group)
GLASGOW, SCOTLAND - AUGUST 19: Celtic's Kieran Tierney in action during a UEFA Champions League Play-Off Round first-leg match between Celtic and LASK, at Celtic Park, on August 19, 2026, in Glasgow, Scotland.(Photo by Rob Casey / SNS Group)
GLASGOW, SCOTLAND - AUGUST 19: Celtic's Kieran Tierney has a shot during a UEFA Champions League Play-Off Round first-leg match between Celtic and LASK, at Celtic Park, on August 19, 2026, in Glasgow, Scotland. (Photo by Craig Williamson / SNS Group)
GLASGOW, SCOTLAND - AUGUST 19: Celtic's Liam Scales, Kieran Tierney, Colby Donovan and Callum McGregor at Full Time during a UEFA Champions League Play-Off Round first-leg match between Celtic and LASK, at Celtic Park, on August 19, 2026, in Glasgow, Scotland. (Photo by Craig Williamson / SNS Group)
GLASGOW, SCOTLAND - AUGUST 19: Celtic's Kieran Tierney in action during a UEFA Champions League Play-Off Round first-leg match between Celtic and LASK, at Celtic Park, on August 19, 2026, in Glasgow, Scotland. (Photo by Rob Casey / SNS Group)
GLASGOW, SCOTLAND - AUGUST 19: Celtic's Kieran Tierney in action during a UEFA Champions League Play-Off Round first-leg match between Celtic and LASK, at Celtic Park, on August 19, 2026, in Glasgow, Scotland. (Photo by Rob Casey / SNS Group)
GLASGOW, SCOTLAND - AUGUST 19: Celtic's Kieran Tierney arrives before a UEFA Champions League Play-Off Round first-leg match between Celtic and LASK, at Celtic Park, on August 19, 2026, in Glasgow, Scotland. (Photo by Rob Casey / SNS Group)
GLASGOW, SCOTLAND - AUGUST 18: Kieran Tierney (C) during a Celtic MD-1 training session at Lennoxtown Training Centre, on August 18, 2026, in Glasgow, Scotland. (Photo by Craig Williamson / SNS Group)
GLASGOW, SCOTLAND - AUGUST 18: Kieran Tierney (L) and Callum McGregor (R) during a Celtic MD-1 training session at Lennoxtown Training Centre, on August 18, 2026, in Glasgow, Scotland. (Photo by Craig Williamson / SNS Group)
DUNDEE, SCOTLAND - AUGUST 15: Celtic's Kieran Tierney warms up during a Premier Sports Cup Second Round match between Dundee United and Celtic at The CalForth Construction Arena at Tannadice, on August 15, 2026, in Dundee, Scotland. (Photo by Craig Williamson / SNS Group)
GLASGOW, SCOTLAND - AUGUST 14: Kieran Tierney during a Celtic training session at the Lennoxtown Training Centre, on August 14, 2026, in Glasgow, Scotland. (Photo by Craig Williamson / SNS Group)
GLASGOW, SCOTLAND - AUGUST 14: (L-R) Colby Donovan, Kieran Tierney and Callum McGregor during a Celtic training session at the Lennoxtown Training Centre, on August 14, 2026, in Glasgow, Scotland. (Photo by Craig Williamson / SNS Group)
KILMARNOCK, SCOTLAND - AUGUST 09: Celtic's Kieran Tierney in action during a William Hill Premiership match between Kilmarnock and Celtic at BBSP Stadium Rugby Park, on August 09, 2026, in Kilmarnock, Scotland. (Photo by Craig Williamson / SNS Group)
KILMARNOCK, SCOTLAND - AUGUST 09: Celtic's Luke McCowan (centre) celebrates scoring to make it 5-1 with James Forrest and Kieran Tierney during a William Hill Premiership match between Kilmarnock and Celtic at BBSP Stadium Rugby Park, on August 09, 2026, in Kilmarnock, Scotland. (Photo by Alan Harvey / SNS Group)
KILMARNOCK, SCOTLAND - AUGUST 09: Celtic's Luke McCowan (centre) celebrates scoring to make it 5-1 with James Forrest and Kieran Tierney during a William Hill Premiership match between Kilmarnock and Celtic at BBSP Stadium Rugby Park, on August 09, 2026, in Kilmarnock, Scotland. (Photo by Alan Harvey / SNS Group)
KILMARNOCK, SCOTLAND - AUGUST 09: Celtic's Kieran Tierney (R) has a shot at goal during a William Hill Premiership match between Kilmarnock and Celtic at BBSP Stadium Rugby Park, on August 09, 2026, in Kilmarnock, Scotland. (Photo by Alan Harvey / SNS Group)
KILMARNOCK, SCOTLAND - AUGUST 09: Celtic's Kasper Hogh (R) celebrates scoring to make it 2-0 with Kieran Tierney during a William Hill Premiership match between Kilmarnock and Celtic at BBSP Stadium Rugby Park, on August 09, 2026, in Kilmarnock, Scotland. (Photo by Alan Harvey / SNS Group)
KILMARNOCK, SCOTLAND - AUGUST 09: Celtic's Kieran Tierney (centre) in action during a William Hill Premiership match between Kilmarnock and Celtic at BBSP Stadium Rugby Park, on August 09, 2026, in Kilmarnock, Scotland. (Photo by Alan Harvey / SNS Group)
KILMARNOCK, SCOTLAND - AUGUST 09: Celtic's Kieran Tierney (L) has a shot blocked by Kilmarnock's Jamie Brandon during a William Hill Premiership match between Kilmarnock and Celtic at BBSP Stadium Rugby Park, on August 09, 2026, in Kilmarnock, Scotland. (Photo by Craig Williamson / SNS Group)
KILMARNOCK, SCOTLAND - AUGUST 09: Celtic's Kasper Hogh (L) celebrates scoring to make it 1-0 with Kieran Tierney during a William Hill Premiership match between Kilmarnock and Celtic at BBSP Stadium Rugby Park, on August 09, 2026, in Kilmarnock, Scotland. (Photo by Craig Williamson / SNS Group)
