He last week signed a two-year deal worth $400,000 a season but was offered upward of $550,000 at rival NRL and Super League clubs.

Thaiday cited a desire to help the Broncos claim their first premiership since 2006 as the catalyst for his decision.

But Brisbane has an almighty task ahead in retaining its biggest stars with Anthony Milford, Ben Hunt, Darius Boyd, Andrew McCullough, Adam Blair, Corey Oates, James Roberts and Jordan Kahu all off-contract in 2017.

They are free to talk to other clubs as of November 1.

Thaiday, 31, will likely finish as a one club player alongside Broncos greats Darren Lockyer and Shane Webcke.