He currently plays for Boston River, wearing the number 22 shirt. At the international level, he represents Uruguay U23. He plays primarily as a Defender. He stands at 170cm tall and weighs 68kg. His preferred foot is Left. His current market value is estimated at 450K €.

His most recent move was a from Nacional Montevideo to Boston River on 2024-12-31.

Throughout the Uruguay Primera Division 2026, Fredy Martinez featured in 4 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.