He currently plays for Real Union, wearing the number 10 shirt. He plays primarily as a Midfield. His preferred foot is Right. His current market value is estimated at 200K €.

His most recent move was a from Real Sociedad C to Real Union on 2025-07-15.

Across 24 appearances in the Spanish Segunda División RFEF 2025-2026, Martín Arruti Gurruchaga registered 0 goals and 0 assists, while completing 4 key passes out of 35 total passes with a passing accuracy of 0.7.