Gustavo Caballero is a 25-year-old professional football player from PAR. He currently plays for Portsmouth, wearing the number 47 shirt. At the international level, he represents Paraguay U23. He plays primarily as a Forward. He stands at 189cm tall and weighs 77kg. His current market value is estimated at 1000K .

His most recent move was a Loan from Portsmouth to Santos on 2026-06-30.

In the English Football League Championship 2025-2026 season, Gustavo Caballero scored 1 goals and provided 0 assists across 6 appearances, averaging 0.2 goals per game with 6 shots attempted and 3 on target.