 Complete the following phrase:  On 25 September 2019, Costa made his first-team debut in the opening group match of the Taça da Liga, keeping a clean sheet in a 10 home victory over C.D. Santa Clara. His first Primeira Liga appearance took place on 10 November in a 10 away defeat of Boavista FC, as the habitual starter Agustín Marchesín was suspended internally after a breach of discipline. He made a further two until the end of 