Pierre-Emerick Aubameyang replaced Xhaka as club captain, but Mikel Arteta also took the armband off him due to repeated disciplinary breaches.
He said: “We have made this decision that, unfortunately, is a really tough one. If I had to choose, I wouldn’t like to be sitting here talking about it, but we had to do it.
“When we have to make that decision, it’s because it’s the right one to defend the interests of the football club.”
The Gunners currently don’t have a stand-out captain, and Arteta instead puts his faith in a ‘leadership group’, which may have included Xhaka.
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