Kieran Tierney set to join David Luiz on Arsenal sidelines after knee injury against Arsenal
![Kieran Tierney set to join David Luiz on Arsenal sidelines after knee injury against Arsenal](https://i.dailymail.co.uk/1s/2021/04/05/15/41362844-0-image-a-122_1617634715435.jpg)
Tierney hurt himself in a clash with James Milner and had to be withdrawn just before half-time after treatmenet. Arteta confirmed: 'He felt something in his knee and he was in pain.'