[5] He was first included in a matchday squad on 19 October, for a Copa do Brasil match against Internacional,[6] but remained an unused substitute in the 0–2 away loss and subsequent elimination.

[7] On 6 November 2016 Arthur Gomes made his first team – and Série A – debut, coming on as a late substitute for Jean Mota in a 2–1 away win against Ponte Preta.

[10] After only appearing rarely with Dorival and Levir Culpi, he was made a starter by interim manager Elano, and scored his first goal in the top tier on 4 November by netting the first in a 3–1 home win against Atlético Mineiro.

[15] On 9 August 2021, Arthur Gomes moved abroad after agreeing to a three-year contract with Portuguese Primeira Liga side Estoril; Santos retained 50% of the player's economic rights.

[17] On September 13, he scored his first UEFA Champions League goal, sealing Sporting's 2–0 victory against Tottenham Hotspur after replacing Marcus Edwards in 90th minute.