Bentley played for St Helens in the Super League and spent time on loan from Saints at the Sheffield Eagles and the Leigh Centurions in the Championship.

Bentley started his path towards a professional Rugby League career at Featherstone Rovers in the scholarship ranks after coming from nearby, Oulton Raiders.

He played in St Helens 8-4 2020 Super League Grand Final victory over Wigan at the Kingston Communications Stadium in Hull.

[11] In round 16 of the 2022 Super League season, Bentley was sent to the sin bin for a professional foul during Leeds 42-12 loss against his former club St Helens.

[15][16] Bentley played a total of 17 games for Leeds in the 2023 Super League season as the club finished 8th on the table and missed the playoffs.