Chelsea's Kepa Arrizabalaga Hasn't Earned the Right to Be Insubordinate

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Chelsea found themselves in a predicament in the Carabao Cup when manager Maurizio Sarri attempted to sub off his goalkeeper, Kepa Arrizabalaga, who refused to come off the field. Kepa claimed it was a misunderstanding, but does the young keeper have the right to go against his manager's decision?