The 21 - year - old Spaniard joined the Ibrox club on loan from Arsenal until the end of the season in the January transfer window .
The 21 - year - old Spaniard made his debut in the home William Hill Scottish Cup win over Motherwell .
The 21 - year - old Spaniard joined the Ibrox club on loan from Arsenal until the end of the season in the January transfer window and made his debut in the home William Hill Scottish Cup win over Motherwell .