Five players could make their debuts for Warrington on Saturday and Trent Merrin, Konrad Hurrell and Tui Lolohea are set to start for Leeds.
Warrington Wolves coach Steve Price could hand out five official debuts on Friday. Blake Austin, Jason Clark, Jake Mamo, Lama Tasi and Danny Walker could play their first games for the club.
Leeds Rhinos boss Dave Furner has included all three of his new signings from the NRL in his 19-man squad. Tonga duo Konrad Hurrell and Tui Lolohea are set to make their official debuts for the Rhinos, as is Australia international Trent Merrin.
James Donaldson could also make his official debut for the Rhinos following a successful trial period, while Ash Handley is set to start on the wing. Kallum Watkins could play his first competitive game since last May.
The televised Super League round one clash takes place at the Halliwell Jones Stadium on Saturday, 5:15pm kick-off.
Warrington’s 19-man squad: Ryan Atkins, Blake Austin, Josh Charnley, Daryl Clark, Jason Clark, Mike Cooper, Bryson Goodwin, Chris Hill, Jack Hughes, Toby King, Tom Lineham, Jake Mamo, Ben Murdoch-Masila, Declan Patton, Joe Philbin, Stefan Ratchford, Lama Tasi, Danny Walker, Ben Westwood.
Leeds’ 19-man squad: Jack Walker, Tom Briscoe, Kallum Watkins, Konrad Hurrell, Ash Handley, Tui Lolohea, Richie Myler, Adam Cuthbertson, Matt Parcell, Brad Singleton, Trent Merrin, Stevie Ward, Brad Dwyer, Liam Sutcliffe, Brett Ferres, Mikolaj Oledzki, Jamie Jones-Buchanan, Cameron Smith, James Donaldson.