Kieran Tierney limped off with his side losing to Chelsea, sparking fears for both club and country. The Celtic youth product has been one of his club's few bright spots in a difficult start to the season, winning praise from fans for his performances and attitude.
The left-back is also a key figure for Scotland, impressing in a left centre-back role under Steve Clarke. With his side 2-0 down to Chelsea in the English Premier League though, the persistent injuries that have dogged Tierney's career resurfaced.
The Arsenal defender went down with what appeared to be an ankle issue, and had to be substituted for Nuno Taveres. While he was able to walk off, it was not a sight either Gunners or Scotland fans wanted to see with big games coming.
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