Héctor David Martínez is a 29-year-old professional football player from PAR. He currently plays for Defensa Y Justicia, wearing the number 21 shirt. He plays primarily as a Defender. He stands at 182cm tall and weighs 72kg. His current market value is estimated at 900K .

His most recent move was a Loan from Defensa Y Justicia to River Plate on 2026-12-31.

Throughout the Argentine Division 1 2026, Héctor David Martínez featured in 6 matches, averaging 2 tackles, 1.2 interceptions, and 5.2 clearances per game, while blocking 0 shots per game.