He is on the books of CA Osasuna Promesas and wears shirt number 4. His main role on the pitch is Defender. He measures 188cm in height and weighs 76kg. His estimated market valuation currently stands at 200K €.

His latest transfer saw him join CA Osasuna Promesas from Atletico de Madrid B via on 2024-08-15.

Across the Primera Federación 2025-2026, Diego Espejo appeared in 17 matches and averaged 0 tackles, 0 interceptions, 0 clearances, and 0 blocked shots per game.