O’Brien signed for Huddersfield Giants in 2017 from Bradford Bulls after making 109 appearances and scoring 26 tries for the Bulls.
O’Brien signed a three-year deal this year, keeping him at the club until 2022. He has previously played for Bradford Bulls, Dewsbury Rams and Halifax RLFC.
The 24-year-old has represented England’s Academy in 2010 and helped England Schoolboys to a 2-0 series win against Australia.
O’Brien is sponsored by PMW Quarries Ltd.
Huddersfield Appearances: Tries:
2018 Season: Appearances: Tries: 5
Attack: Tackle Busts: 15 Try Assists: 6 Carries: 97 Metres: 583
Defence: Tackles Made: 757 Missed Tackles: 31