[4] The following weekend, in his first Primeira Liga appearance with the first team, he scored after only a few minutes on the pitch, helping the hosts defeat already relegated Nacional 4–0 and becoming the club's youngest ever goal scorer in the competition.

[5][6] On 31 August 2017, both Neto and teammate Bruno Jordão were loaned to Lazio of Italy for two years, with an obligation to buy both players for a combined €26 million.

[10] He made his debut twelve days later in the second leg of the UEFA Europa League third qualifying round against Pyunik, scoring and providing an assist for Morgan Gibbs-White in a 4–0 home win (8–0 aggregate).

[11] His maiden appearance in the Premier League took place a few days later in the same month, when he came on for compatriot Diogo Jota late on in the 1–1 home draw with Manchester United.

[13] After having what would have been his first goal in the competition ruled out controversially by VAR at Liverpool on 29 December,[14] he scored in the next game (a 2–1 away loss to Watford on 1 January 2020), becoming the first teenager to achieve the feat for the club in the Premier League in the process.

[28] Neto played his 100th match in the English top tier on 21 October 2023, in a 2–1 away victory against Bournemouth where he also assisted Matheus Cunha, his sixth decisive pass of the new season.

[34] On 5 September 2019, aged 19, Neto won his first cap for Portugal at under-21 level, playing the first half of a 4–0 win against Gibraltar in the 2021 UEFA European Championship qualification campaign, held in Alverca do Ribatejo.