Kieran Tierney suffered a fallout in the wake of Sunday's fiery 0-0 draw with Leeds. Gunners boss Mikel Arteta was left raging as £72m flop Nicholas Pepe was sent off for headbutting wing-back Ezgjan Alioski.
But the Spaniard wasn't the only Arsenal figure who was incensed as Celtic hero Tierney had to be restrained at the full-time whistle as he also clashed with the Macedonian international.
Broadcaster Richard Keys branded the Scotland international an "idiot" and many fans were left surprised at how angry the popular left-back was.The flashpoint led to plenty of speculation online with former Arsenal hardman Martin Keown also floating the idea that it was actually Xhaka who irked Tierney for "fraternising with the enemy".
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