He currently plays for Defensores de Belgrano, wearing the number 20 shirt. He plays primarily as a Forward. He stands at 185cm tall and weighs 80kg. His preferred foot is Right. His current market value is estimated at 125K .

His most recent move was a Loan from Defensores de Belgrano to Instituto de Córdoba on 2026-12-30.

In the ARG Primera Nacional 2026 season, J. Dellarossa scored 0 goals and provided 0 assists across 2 appearances, averaging 0 goals per game with 0 shots attempted and 0 on target.