The 18-year-old has insisted that everyone in the team is behind Stramaccioni.
"The Coach didn't say anything special to us yesterday," he told reporters. "He was calm and told us not to give up.
"The group is very united - even the experienced players were joyous after Sunday's win.
"We believe we are a strong side - if we give our best we can do great things.
"Nothing happened with Cassano. It was a discussion."