Feagai made his debut for St. George Illawarra in their 42–18 loss against Newcastle in round 19 of the 2020 NRL season.

[4] Feagai was limited to only four appearances in the 2021 NRL season which saw St. George Illawarra finish 11th and miss out on the finals.

[5] Feagai was limited to only four games with St. George Illawarra in the 2022 NRL season as they missed the finals.

Feagai would play a total of five games for the club in the 2023 NRL season as they finished 16th on the table.

[7][8] On 2 October 2024, it was announced that Feagai would be joining The Dolphins (NRL) on a two year deal, starting in 2025.