Why did Kieran Tierney make loan move to Real Sociedad?

Kieran Tierney of Celtic celebrates after Odsonne Edouard of Celtic scores during the Scottish Premier League Photo by Ian MacNicolGetty

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kieran tierney View the profile of Real Sociedad Defender Kieran Tierney on ESPN Get the latest news, live stats and game highlights

kieran tierney Kieran Tierney · La Liga · Community Shield · Copa del Rey · Premier League · The Emirates FA Cup · League Cup · Scottish Premiership · Scottish Cup 2023-