[5] In round 8 of the 2022 NRL season, Arthur was controversially put at five-eighth ahead of the established Dylan Brown for Parramatta's match against North Queensland.

[6] In July, Arthur was booed by some sections of the Parramatta fan base before the clubs match against Brisbane at the Western Sydney Stadium.

[7] In round 21 of the 2022 NRL season, Arthur was called into the Parramatta side after Mitchell Moses was ruled out for five weeks with a broken finger.

[13] Arthur made his debut for Manly in round 13, playing 26 minutes off the bench in a 28–18 loss to Newcastle.

[14] On 21 September, it was announced that Arthur had signed a three-year contract extension to remain at Manly until the end of the 2025 season.