Scotland, Ireland, Spain and Serbia have named their squads for the first round games in the final European qualifiers for the 2021 World Cup.
On Saturday, Spain face Ireland in Valencia (5pm) in Pool A, with Italy completing the group. Scotland host Serbia in Glasgow (3pm) in Pool B, with Greece being the other contenders.
The top two nations in each pool will appear in the final tournament in England.
Scotland 22-man squad: David Scott (Batley Bulldogs), Brandan Wilkinson (Doncaster), Lewis Clarke (Edinburgh Eagles), Matt Hogg (Edinburgh Eagles/Newcastle University), Scott Plumridge (Glasgow RL), Ben Kavanagh (Halifax), Danny Addy, Will Oakes (Hull KR), Davey Dixon, Kieran Moran (Keighley Cougars), Nick Glohe (Lakes United Seagulls), Callum Mclelland (Leeds Rhinos), Ben Hellewell (London Broncos), Dan Turland (Murwillumbah Mustangs), Sam Luckley (Newcastle Thunder), Adam Walker (Salford), Luke Douglas (St Helens), Oscar Thomas (Swinton Lions), Ryan Brierley (Toronto Wolfpack), Alex Walker (Wakefield Trinity), Joe Mclean (West Wales Raiders), Dale Ferguson (Unattached).
Ireland 22-man squad: Sam Cullen (Barrow Cudas, Carlow), Michael Ward (Batley), Joe Keyes (Bradford), Martyn Reilly (Dewsbury), Matthew Towey (Galway Tribesmen), Oliver Roberts, Ronan Michael (Huddersfield), Ethan Ryan (Hull KR), Gregg McNally (Leigh), James Mulvaney, Matthew Coade (Longhorns RL), Roland Podesta (Manly), Danny Bridge, Zack McComb (Oldham), Tyrone McCarthy (Salford), James Bentley (St Helens), Frankie Halton (Swinton), Bob Beswick (Toronto), George King (Wakefield), Pat Moran (Warrington), Liam Byrne (Wigan), Dec ODonnell (Workington).
Spain 22-man squad: Luc Franco, Gaetan Estruga, Maxime Garcia, Simon Juárez (Albi RL), Romain Franco (Catalans Dragons), Anthony Delgado, Alexis Escamilla, Julien Agullo, Romain Pallares (Carcassone), Daniel Garcia (Crosfields), Antonio Puerta, Juan Mudarra, Rafael Garcia (Custodians RL), Walid Bouregba (Lezignan), Alex Doutres (Palau), Kevin Aparicio (Rennes etudiant club rugby) Miguel Blanco- Charters (Seaton Rangers), Hadriel Mehamed Gonzales, Miquel Tomas Enrique (Torrent Tigres) Ludovic Renu (VARL), Adria Alonso, Carlos Font (Xativa Roosters)
Serbia 22-man squad: James Mirceski (Asquith Cheetahs Magpies), Jason Muranka (Keighley Cougars), Ilija Radan (Narabeen Sharks), Dragan Jankovic, Dzavid Jasari, Nikola Srbljanin (Partizan Belgrade), Lazar Zivkovic, (Radnicki Nis), Aleksandar Djordjevic, Milos Zogovic, Predrag Keglic, Stefan Nedeljkovic, Vladislav Dedic, Vojislav Dedic (Red Star Belgrade), Zane Bijorac (South Sydney Rabbitohs), Daniel Marjanovic (Sydney University), Stevan Stevanovic (Tasmajdan Tigers Belgrade), Milos Calic (Villefranche XIII), Vladica Nikolic (Villenueve XIII), Vladimir Milutinovic (Villeneuve Minervois XIII), Daniel Burke (Warilla Gorillas), Ben Stevanovic, Rajko Jankovic (Wests Tigers).