[10] Despite missing the pre-season with his hip injury, Aloiai made his NRL debut in round 1 against the New Zealand Warriors, playing off the interchange bench in the Tigers' 34–26 win at Campbelltown Stadium.

[13] Playing as a reserve in the early weeks of the season, Aloiai progressed to the starting team from round 11 onward.

"[9] Suffering a broken jaw three weeks into the pre-season during a training session at the beach, Aloiai was hospitalised for a short time.

"[14] He signed an extension to the end of 2019 in January, saying, "It's a privilege to be able to live my dream – the players that we have here have pretty much become my brothers and we also have quality staff at the club.

[citation needed] Aloiai was named in the Italian team for the 2017 Rugby League World Cup.

[citation needed] Aloiai played 16 games for the Wests Tigers, mostly from the bench, and made his first appearances in the front row.

My aunties and uncles, my dad's brothers and sisters have all messaged me along with my first cousins just saying how proud it is for the Samoan side of the family.

[20] On 17 November, Aloiai handed in a transfer request to the Wests Tigers stating that he wanted an immediate release to join Manly-Warringah.

Wests Tigers chairman Lee Hagipantelis spoke to Fox Sports about the players transfer request stating "As far as we’re concerned he can mow the lawns at Leichhardt and Campbelltown and paint the sheds at Concord, He’s a contracted employee at the Wests Tigers for 2021 and under the terms of his employment he’ll be remaining at the club".

[21] In round 1 of the 2021 NRL season, he made his debut for Manly-Warringah in the club's 46–4 loss against Sydney Roosters.

[24] Aloiai played 16 games for Manly in the 2021 NRL season including the club's preliminary final loss against South Sydney.

[30] Aloiai played 16 games for Manly in the 2023 NRL season as the club finished 12th on the table and missed the finals.

[31] In round 14 of the 2024 NRL season, Aloiai was placed on report for a blatant trip during Manly's 32-22 loss against Penrith.