For the sides that disappointed in 2016, new signings offer a source of hope for the season ahead. Which players will have the biggest impact at their new club?
Injured Kangaroos winger Josh Mansour has thanked Blake Ferguson for helping him through the difficult times after he ruptured his anterior cruciate ligament.
Panthers GM Phil Gould says it "sucks" to be releasing Jeremy Latimore from the remainder of his deal so he can pursue an opportunity at another NRL club.
Kangaroos forward Trent Merrin has achieved plenty throughout his eight-year career, but says being a part of Australia's Four Nations squad sits at the top.
Kangaroos winger Josh Mansour has been ruled out for the remainder of the Four Nations tournament after suffering a knee injury at training on Wednesday.
Kangaroos rookie Matt Moylan says he couldn't have asked for any more from his Test debut after stealing the show in Australia's opening Four Nations match.
Despite claiming man-of-the-match honours in Australia's win over Scotland, fullback Matt Moylan is far from guaranteed a spot in the 17 to face New Zealand.
Penrith have secured the services of former St George Illawarra hooker Mitch Rein on a two-year deal for 2017.
Kangaroos forward Trent Merrin believes he would never have been given the chance to be part of the Four Nations squad were it not for his move to Penrith.
Trent Merrin says his new Panthers teammate James Tamou will be fired up for a big NRL season in 2017, after being axed from the Australian team.