 On 18 August 2016, after the club's promotion to La Liga, it was announced that Galilea would return to the B-side, but still being involved with the first team.He scored his first senior goal ten days later, netting the second in a 4–0 Tercera División home routing of Santutxu FC.On 16 January 2017, despite of being injured, Galilea renewed his contract for two more seasons.