Castleford v Widnes
Castleford make three changes to the team that beat Leeds at Magic Weekend with Ben Roberts, Joel Monaghan and Kevin Larroyer replacing Alex Foster and rested duo Junior Moors and Jake Webster.
Widnes coach Denis Betts welcomes back winger Corey Thompson but will be without the injured Rhys Hanbury and Rangi Chase, who is not allowed to play against his parent club.
Castleford squad: Matt Cook, Greg Eden, Luke Gale, Kieran Gill, Zak Hardaker, Tom Holmes, Kevin Larroyer, Andy Lynch, Nathan Massey, Mike McMeeken, Paul McShane, Grant Millington, Greg Minikin, Adam Milner, Joel Monaghan, Ben Roberts, Jesse Sene-Lefao, Gadwin Springer, Michael Shenton.
Widnes squad: Chris Bridge, Jack Buchanan, Greg Burke, Hep Cahill, Ed Chamberlain, Jay Chapelhow, Ted Chapelhow, Alex Gerrard, Aaron Heremaia, Ryan Ince, Jack Johnson, Jordan Johnstone, Manase Manuokafoa, Tom Olbison, Charly Runciman, Corey Thompson, Brad Walker, Danny Walker, Lloyd White.
Hull FC v Leigh
Lee Radford will be without Marc Sneyd and Scott Taylor who have picked up knocks, with Gareth Ellis and Mahe Fonua also still out injured. Youngster Nick Rawsthorne, who signed from Halifax in the off-season, could make his debut, while Jake Connor also returns from injury.
Hull squad: Jamie Shaul, Carlos Tuimavave, Josh Griffin, Fetuli Talanoa, Albert Kelly, Danny Houghton, Liam Watts, Mark Minichello, Jake Connor, Chris Green, Jordan Thompson, Danny Washbrook, Steve Michaels, Sika Manu, Josh Bowden, Nick Rawsthorne, Jansin Turgut, Jack Downs, Brad Fash.
Leigh squad: Jamie Acton, Mitch Brown, Lachlan Burr, Ben Crooks, Matty Dawson, Josh Drinkwater, Ryan Hampshire, Harrison Hansen, Liam Hood, Sam Hopkins, Gregg McNally, Cory Patterson, Eloi Pelissier, Ben Reynolds, Glenn Stewart, Danny Tickle, Atelea Vea, Dayne Weston, Matty Fleming.
Leeds v Warrington
Ben Westwood misses out for Warrington with a broken hand, while Leeds welcome back Mitch Garbutt from a head injury.
Leeds squad: Ashton Golding, Tom Briscoe, Kallum Watkins, Joel Moon, Ryan Hall, Danny McGuire, Rob Burrow, Matt Parcell, Adam Cuthberston, Jamie Jones-Buchanan, Stevie Ward, Liam Sutcliffe, Brett Delaney, Brad Singleton, Mitch Garbutt, Brett Ferres, Anthony Mullally, Ash Handley, Jordan Baldwinson.
Warrington squad: Ryan Atkins, Kevin Brown, Daryl Clark, Mike Cooper, Dominic Crosby, Brad Dwyer, Kurt Gidley, Chris Hill, Jack Hughes, Benjamin Jullien, George King, Tom Lineham, Declan Patton, Joe Philbin, Stefan Ratchford, Matty Russell, Andre Savelio, Ashton Sims, Joe Westerman.
Salford v Catalans
Salford are unchanged from the team that beat Leigh at Magic Weekend as Catalans begin life without Laurent Frayssinous.
Interim coaches Jerome Guisset and Michael Monagahan make one change as Brayden Williame comes in for the injured Ben Garcia.
Salford squad: Ben Murdoch-Masila, Craig Kopczak, Gareth O’Brien, Greg Johnson, Jake Bibbey, James Hasson, Josh Jones, Junior Sa’u, Kris Welham, Kriss Brining, Lama Tasi, Logan Tomkins, Mark Flanagan, Michael Dobson, Niall Evalds, Olsi Krasniqi, Rob Lui, Ryan Lannon, Weller Hauraki.
Catalans squad: Tony Gigot, Krisnan Inu, Brayden Wiliame, Fouad Yaha, Luke Walsh, Richie Myler, Sam Moa, Paul Aiton, Remi Casty, Julian Bousquet, Mickael Simon, Iain Thornley, Lucas Albert, Alrix Da Costa, Paul Seguier, Ugo Perez, Jordan Dezaria.
Wakefield v Huddersfield
Chris Chester makes one change to the team that beat Widnes at Magic Weekend with Mikey Sio replacing Ashley Gibson.
Huddersfield are unchanged from the team that defeated Catalans in Newcastle as they look to continue their recent resurgence towards the top eight.
Wakefield squad: Tinirau Arona, Joe Arundel, Matty Ashurst, James Batchelor, Mason Caton-Brown, Anthony England, David Fifita, Liam Finn, Ashley Gibson, Scott Grix, Keegan Hirst, Craig Huby, Ben Jones-Bishop, Danny Kirmond, Reece Lyne, Jacob Miller, Bill Tupou, Sam Williams, Kyle Wood.
Huddersfield squad: Jake Mamo, Jermaine McGillvary, Leroy Cudjoe, Lee Gaskell, Aaron Murphy, Sam Rapira, Ryan Hinchcliffe, Shannon Wakeman, Dale Ferguson, Kruise Leeming, Sebastine Ikahihifo, Oliver Roberts, Paul Clough, Nathan Mason, Sam Wood, Darnell McIntosh, Alex Mellor, Adam O’Brien, Martyn Ridyard.