The pair had another blazing row during this week's Coppa Italia win over Fiorentina.
"He stayed back to look for a contact lens that had fallen out. He could've lost an eye as far as I was concerned, but first of all he had to think of the team that was in danger," said the Special One.
"If Mario is angry, that is his problem. I took him off because the team was struggling to keep hold of the ball.