Kieran Tierney earned rave reviews for his Europa League debut for Arsenal this evening.

The ex-Celtic star put in a five-star performance for his new side at the Emirates Stadium.

Fans have been desperate to see their man in action.

Kieran Tierney congratulated by Arsenal teammates and Celtic stars after long-awaited Gunners debut

His only game time for the first-team came in the Carabao Cup against Nottingham Forest - where he was also heavily praised.

A terrific assist for the Gunners' opening goal from the left-hand side gave the hosts the lead through Gabriel Martinelli.

It took just 13 minutes for him to provide the cross for the goal but it was the rest of the match where he put in a terrific shift, too.

Fans praised his assured showing defensively as he was part of Unai Emery's XI which won 4-0.

One supporter said: "Can we all take a moment to appreciate Kieran Tierney's crossing ability."

Another wrote: "The combination of Kieran Tierney's pace and crossing is sensational.

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"Something I haven't seen at Arsenal in a long time. 

"You just know Aubameyang and Lacazette are licking their lips at the fact Tierney will be delivering those beautiful crosses to them".

One person commented: "Kieran Tierney is unbelievable.

"Arsenal have themselves a gem."

A fourth wrote: "A little louder for the people at the back: Kieran Tierney is absolutely class."