He was a regular in the Shrewsbury side during the closing months of the 2006–07 season, as Town reached the League Two playoff final at Wembley.

On 12 January 2011, Tierney signed for Championship side Norwich City[6] and was handed the number 32 shirt.

He repeated a similar celebration during a pre-season friendly against Real Zaragoza when two of the floodlights failed after a lightning strike to "entertain the fans".

[9] Tierney established himself as Bolton's first choice left-back before suffering an ankle injury in the club's 1–1 draw with Yeovil Town at the Reebok Stadium meaning a lengthy spell on the sidelines.

[10] On 23 April 2015, Tierney announced his retirement from professional football after failing to recover from his ankle injury.

[citation needed] Giovanni Trapattoni and Marco Tardelli were reported to have been keeping an eye on him ahead of Ireland's participation in UEFA Euro 2012.