Rubuta ci gaba don wannan sakin layi - A ranar 7 ga Oktoba, 2015, Mayoral ya fara bugawa tawagar 'yan kasa da shekaru 21 wasa a wasan neman shiga gasar zakarun Turai ta 2017
; ya maye gurbin Samu Castillejo tare da sa'a daya da aka buga, kuma minti tara bayan haka ya sauya taimakon Saúl Ñíguez a cikin nasarar dawowa 5<unk>2. Ya zira kwallaye uku a waje a Arewacin Ireland U21 a cikin Rukunin 2 na kamfen ɗin cancantar U21 na Euro mai zuwa.