Arsenal have revealed that they expect Kieran Tierney to miss around three months with the dislocated shoulder he suffered against West Ham.
The Scotland international full-back picked up an untimely injury in the Gunners’ last Premier League outing.
He lasted just 29 minutes in that contest, which Arsenal went on to win 3-1 and claim a first victory under the interim guidance of Freddie Ljungberg.
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Tierney had been enjoying a regular run for the Gunners, having earned favour following a summer move from Celtic.
He arrived in north London carrying an injury, but worked his way back to full fitness in September.