Rubuta ci gaba don wannan sakin layi - A ranar 4 ga Satumba 2020, bayan rancensa ya ƙare tare da Montpellier, Rulli ya amince da yarjejeniyar shekara huɗu tare da Villarreal. A kakar wasa ta farko, kocin Unai Emery ya fi son buga Sergio Asenjo a raga a gasar
, da Rulli a gasar Europa. Ya fara buga wasan farko a kulob din a ranar 21 ga Afrilu a cikin rashin nasara 2 zuwa 1 a Deportivo Alavés, bayan da aka zaba don shirya wasan kusa da na karshe na Turai da Arsenal.