He currently plays for Real Betis B, wearing the number 14 shirt. He plays primarily as a Midfield. His current market value is estimated at 100K €.

His most recent move was a from Real Betis B to RCD Espanyol B on 2025-08-20.

Across 23 appearances in the Spanish Segunda División RFEF 2025-2026, Sander Ballero registered 0 goals and 0 assists, while completing 0 key passes out of 5 total passes with a passing accuracy of 0.2.