The Warriors are targeting a double bid for Bulldogs skipper James Graham and senior Broncos forward Adam Blair.
Both players are in the twilight of their careers, with Graham, 31, in his 13th season as a professional while the 30-year-old Blair has 11 NRL campaigns behind him.
Moves for the duo would carry some risk - as it would be hard to predict their form into their 30s - but signing veterans to lead the forward pack is an approach that's worked before at Mt Smart.
The most famous example was the double signing of Steve Price and Ruben Wiki ahead of the 2005 season.
Price made his Warriors debut just after his 31st birthday, while Wiki was 32 when he ran out for Auckland club for the first time.