He's been omitted from the Arsenal squad for the second successive matchday - but Arsenal fans reckon just one red card shows why Mikel Arteta MUST include Kieran Tierney in his plans.
A Gunners exit looks likely for the Scotland international, who has now been left out of both Premier League squads against Nottingham Forest and Crystal Palace in the opening weeks of the season.
Real Sociedad have appeared as one destination while lingering talk of an emotional Celtic return are beginning to fade into the background.
But during the 1-0 win at Selhurst Park, Takehiro Tomiyasu was sent off in the second half for a second booking, with centre-back Gabriel coming on to replace him.
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