Answer
Luis Diaz scored 14 league goals for Porto in the first half of the 2021-22 season. He scored his first goal of the season on 14 August, in a 2–0 win against Boavista. He then scored a hat-trick on 22 August, in a 5–1 win against Moreirense. He scored two more goals in September, in a 4–0 win against Portimonense and a 1–1 draw against Tondela.