"One thing is certain: I wouldn't be in London without him," Xhaka told the Telegraphic Agency of Arteta, who took the reigns at Arsenal last December.
"He was the decisive factor, with his philosophy, with his style, with his idea. I am really grateful to him for that.
"I am indulging Mikel Arteta with [the FA Cup] victory. It gives him confidence and a certain security.
"We players saved a strange season with the last possible qualification for international business.
"I don't want to imagine how the reactions would have been if we had missed the Europa League."