| 2018 Gains: Herman Ese'ese (Brisbane Broncos, 2020), Aidan Guerra (Sydney Roosters, 2020), Shaun Kenny-Dowall (Sydney Roosters, 2019), Tautau Moga (Brisbane Broncos, 2020), Kalyn Ponga (North Queensland Cowboys, 2021), Connor Watson (Sydney Roosters, 2020) | | 2018 Losses: Dane Gagai (South Sydney Rabbitohs), Rory Kostjasyn (retired), Sam Mataora (retired), Jarrod Mullen (released), Mickey Paea (Hull FC), Tyler Randell (Wakefield Trinity) |
| Re-Signed: Mitchell Barnett (2020), Danny Levi (2020), Nick Meaney (2018), Dylan Phythian (2018), Nathan Ross (2020), Sam Stone (2018) |
| Off Contract 2017: David Bhana, Brendan Elliot, Jaelen Feeney, Lachlan Fitzgibbon, Jacob Gagan, Tom Hughes, Peter Mata'utia, Pauli Pauli, Will Pearsall, Josh Starling, Jack Stockwell, Anthony Tupou, Joe Wardle, Luke Yates |
