In 2002–03, he was loaned to another club from the Basque Country, SD Eibar, and helped them stay in Segunda División on the last day of the season.
[1] In January 2005, having not broken into an Alavés side that wanted to get rid of him,[2] Romo left for Rayo Vallecano and later represented UE Lleida before making his way back to third-tier Eibar in 2006.
[1] Romo spent most of the remaining decade of his career with Real Unión, with only the 2009–10 season above the third division; he totalled 263 games for the team from Irun.
[3] On 11 November 2008, away to Real Madrid in the last 32 of the Copa del Rey, he score a last-minute header against Jerzy Dudek to level the tie 6–6 on aggregate as his side advanced on the away goals rule.
[4] On 24 March 2019, sporting director Romo was caretaker manager of Real Unión for a goalless draw at Racing de Santander, after the dismissal of Juan Domínguez.