His wife is expecting a fourth. She mentioned they lost one earlier this year. Added to the betting bs no wonder he hasn't been at his absolute best:
https://www.fcinter1908.it/social/moglie-barella-piccolo-barella-ti-aspettiamo/
And this Milan side has shown they can even lose to teams at the bottom of the table.
Also it isn't just the losing, it's being outplayed by these teams.
Currently gobbi is the much bigger threat.