The Giallorossi were crushed in Turin last night and 3-0 down after just 19 minutes.
"Many players don't deserve to wear the shirt," he told Mediaset Premium. "We have to immediately change trajectory. Immediately.
"In the space of a few minutes, we suffered two upper-cuts, then the team just disappeared. We ask our players to react. Let us not get discouraged.
"This team is competitive and we know that we can play with anyone. We just have to learn from this defeat and change tack."