Sergio Martínez Montero is a 19-year-old professional football player from ESP. He currently plays for Racing Santander, wearing the number 36 shirt. He plays primarily as a Midfield. He stands at 188cm tall and weighs 78kg. His current market value is estimated at 2M €.

His most recent move was a from Racing Santander U19 to Racing Santander on 2025-07-01.

Across 10 appearances in the Spanish Segunda División RFEF 2025-2026, Sergio Martínez Montero registered 0 goals and 0 assists, while completing 0 key passes out of 0 total passes with a passing accuracy of -.