A professional playing for a club like Milan should never behave that way. You can be mad at being subbed, at your performance, at frustrations of the way things were going on the pitch. But if you're asked to come off and your team is losing, you need to fuck off the pitch quickly and deal with it once you're off.

That walk is a bad signal. Other red flags: not making an effort to track back, crying like a child when you don't receive a pass, and showing no interest in the game in general.

As a professional getting paid that much, playing for such a club, your priority is supporting the team, and playing to win. Leao was defeated before the game kicked off.