He plays primarily as a Midfield. His preferred foot is Left.

His most recent move was a Loan from Inter Milan Primavera to Udinese Primavera on 2026-06-29.

Across 1 appearances in the UEFA Youth League 2025-2026, Mattia marello registered 0 goals and 0 assists, while completing 0 key passes out of 0 total passes with a passing accuracy of -.