Bad news for Arsenal fans as Kieran Tierney overheard confirming when he'll make debut

Gunners' new left-back was overheard talking to team-mate Rob Holding about when he'll be fit following hernia op. [Courtesy]

Arsenal signing Kieran Tierney revealed when fans can expect to see his debut after he joined the Gunners from Celtic on transfer deadline day.

In one of the long-running transfer sagas of the summer, Arsenal finally signed Scotland left-back Tierney after agreeing to stump up the £25million Celtic wanted.