Aviron Bayonnais: 15 Yohan Orabe, 14 Tom Spring, 13 Cheikh Tiberghien, 12 Federico Mori, 11 Victor Hannoun, 10 Joris Segonds, 9 Herschel Jantjies, 8 Nika Lomidze, 7 Arthur Iturria, 6 Alexandre Fischer, 5 Lucas Paulos, 4 Alvaro Garcia Iandolino, 3 Marco Fepulea’i, 2 Vincent Giudicelli, 1 Ignacio Calles
Replacements: 16 Lucas Martin, 17 Swan Cormenier, 18 Pascal Cotet, 19 Manex Ariceta, 20 Facundo Bosch, 21 Raphael Marchesin, 22 Baptiste Tilloles, 23 Arnaud Erbinartegaray
Stormers: 15 Warrick Gelant, 14 Dylan Maart, 13 Wandisile Simelane, 12 Dan du Plessis, 11 Leolin Zas, 10 Clinton Swart, 9 Imad Khan, 8 Ruan Ackermann, 7 Ben-Jason Dixon, 6 Paul de Villiers, 5 Connor Evans, 4 Salmaan Moerat (captain), 3 Neethling Fouché, 2 JJ Kotzé, 1 Ntuthuko Mchunu.
Replacements: 16 Lukhanyo Vokozela, 17 Ali Vermaak, 18 Sazi Sandi, 19 Adré Smith, 20 JD Schickerling, 21 Evan Roos, 22 Dewaldt Duvenage, 23 Jonathan Roche.
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Sale Sharks: 15 Arron Reed, 14 Tom O’Flaherty, 13 Rekeiti Ma’asi-White, 12 Marius Louw, 11 Alex Wills, 10 Rob du Preez, 9 Raffi Quirke, 8 Tom Curry, 7 Ernst van Rhyn (captain), 6 Jacques Vermeulen, 5 Ben Bamber, 4 Tom Burrow, 3 WillGriff John, 2 Nathan Jibulu, 1 Si McIntyre
Replacements: 16 Ethan Caine, 17 Tumy Onasanya, 18 James Harper, 19 Hyron Andrews, 20 Ben Curry, 21 Gus Warr, 22 Ollie Davies, 23 Gurshwin Wehr
Glasgow Warriors: 15 Josh McKay, 14 Kyle Steyn, 13 Stafford McDowall, 12 Sione Tuipulotu, 11 Ollie Smith, 10 Adam Hastings, 9 George Horne, 8 Jack Dempsey, 7 Rory Darge, 6 Matt Fagerson, 5 Scott Cummings, 4 Max Williamson, 3 Zander Fagerson, 2 Gregor Hiddleston, 1 Nathan McBeth.
Replacements: 16 Seb Stephen, 17 Rory Sutherland, 18 Sam Talakai, 19 Alex Samuel, 20 Gregor Brown, 21 Ally Miller, 22 Jamie Dobie, 23 Dan Lancaster.
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Saracens: 15 Elliot Daly, 14 Noah Caluori, 13 Lucio Cinti, 12 Nick Tompkins, 11 Max Malins, 10 Owen Farrell, 9 Ivan van Zyl (captain), 8 Tom Willis, 7 Andy Onyeama-Christie, 6 Theo McFarland, 5 Hugh Tizard, 4 Nick Isiekwe, 3 Marcus Street, 2 James Hadfield, 1 Rhys Carre
Replacements: 16 Theo Dan, 17 Eroni Mawi, 18 Marco Riccioni, 19 Harry Wilson, 20 Nathan Michelow, 21 Charlie Bracken, 22 Fergus Burke, 23 Rotimi Segun
Clermont: 15 Axel Guillaud, 14 Lucas Tauzin, 13 Alex Newsome, 12 Irae Simone, 11 Bautista Delguy, 10 Harry Plummer, 9 Baptiste Jauneau (captain), 8 Selevasio Tolofua, 7 Anthime Hemery, 6 Antoine Chalus-Cercy, 5 Tevita Ratuva, 4 Thibaud Lanen, 3 Cristian Ojovan, 2 Etienne Fourcade, 1 Sacha Lotrian
Replacements: 16 Tom Belkessa, 17 Matheo Frisach, 18 Giorgi Dzmanashvili, 19 Rob Simmons, 20 Leo Michaux Vargas, 21 Sebastien Bezy, 22 George Moala, 23 Lucas Dessaigne
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Bulls: 15 Willie le Roux, 14 Canan Moodie, 13 David Kriel, 12 Harold Voster, 11 Sebastian de Klerk, 10 Handre Pollard, 9 Paul de Wet, 8 Marcell Coetzee (Captain), 7 Reinhardt Ludwig, 6 Marco van Staden, 5 JF van Heerden, 4 Cobus Wiese, 3 Mornay Smith, 2 Akker van der Merwe, 1 Alulutho Tshakweni.
Replacements: 16 Johann Grobberlaar, 17 Gerhard Steenekamp, 18 Wilco Louw, 19 Ruan Nortje, 20 Elrigh Louw, 21 Jeandre Rudolf, 22 Embrose Papier, 23 Stravino Jacobs
Bordeaux-Begles: 15 Romain Buros, 14 Damian Penaud, 13 Nicolas Depoortere, 12 Yoram Moefana, 11 Louis Bielle-Biarrey, 10 Matthieu Jalibert, 9 Maxime Lucu (captain), 8 Temo Matiu, 7 Cameron Woki, 6 Bastien Vergnes-Taillefer, 5 Adam Coleman, 4 Boris Palu, 3 Carlü Sadie, 2 Maxime Lamothe, 1 Jefferson Poirot
Replacements: 16 Gaetan Barlot, 17 Matis Perchaud, 18 Ben Tameifuna, 19 Jonny Gray, 20 Tiaan Jacobs, 21 Arthur Retiere, 22 Rohan Janse van Rensburg, 23 Salesi Rayasi
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La Rochelle: 15 Dillyn Leyds, 14 Davit Niniashvili, 13 Adrien Seguret, 12 UJ Seuteni, 11 Jules Favre, 10 Ihaia West, 9 Thomas Berjon, 8 Grégory Alldritt (captain), 7 Levani Botia, 6 Oscar Jegou, 5 Charles Kante Samba, 4 Thomas Lavault, 3 Joel Sclavi, 2 Tolu Latu, 1 Alexandre Kaddour
Replacements: 16 Quentin Lespiaucq, 17 Reda Wardi, 18 Uini Atonio, 19 Ultan Dillane, 20 Lucas Andjisseramatchi, 21 Nolhann Couillaud, 22 Diego Jurd, 23 Nathan Bollengier
Leicester Tigers: 15 George Pearson, 14 Adam Radwan, 13 Will Wand, 12 Joe Woodward, 11 Ollie Hassell-Collins, 10 Billy Searle, 9 Tom Whiteley, 8 Joaquin Moro, 7 Josh Manz, 6 James Thompson, 5 Harry Wells, 4 Cameron Henderson, 3 Will Hurd, 2 Charlie Clare (captain), 1 Tareq Haffar
Replacements: 16 Finn Theobald-Thomas, 17 Archie van der Flier, 18 Ale Loman, 19 Tom Manz, 20 Sam Williams, 21 Ollie Allan, 22 Charlie Titcombe, 23 Solomone Kata
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Leinster: 15 Jimmy O’Brien, 14 Tommy O’Brien, 13 Garry Ringrose, 12 Ciarán Frawley, 11 Jordan Larmour, 10 Sam Prendergast, 9 Jamison Gibson-Park, 8 Caelan Doris (captain), 7 Josh van der Flier, 6 Jack Conan, 5 Joe McCarthy, 4 RG Snyman, 3 Thomas Clarkson, 2 Dan Sheehan, 1 Paddy McCarthy
Replacements: 16 Rónan Kelleher, 17 Jack Boyle, 18 Tadhg Furlong, 19 Diarmuid Mangan, 20 Max Deegan, 21 Luke McGrath, 22 Harry Byrne, 23 Rieko Ioane
Harlequins: 15 Cameron Anderson, 14 Cassius Cleaves, 13 Oscar Beard, 12 Luke Northmore, 11 Cadan Murley (captain), 10 Jarrod Evans, 9 Will Porter, 8 Tom Lawday, 7 Will Evans, 6 Zach Carr, 5 Stephan Lewies, 4 Kieran Treadwell, 3 Harry Williams, 2 Jack Walker, 1 Boris Wenger
Replacements: 16 George Turner, 17 Will Hobson, 18 Pedro Delgado, 19 Joe Launchbury, 20 Lucas Schmid, 21 Lucas Friday, 22 Jamie Benson, 23 Bryn Bradley
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Scarlets: 15 Jac Davies, 14 Tom Rogers, 13 Eddie James, 12 Johnny Williams, 11 Ellis Mee, 10 Sam Costelow, 9 Gareth Davies, 8 Fletcher Anderson, 7 Josh Macleod (captain), 6 Max Douglas, 5 Jake Ball, 4 Sam Lousi, 3 Archer Holz, 2 Ryan Elias, 1 Kemsley Mathias
Replacements 16 Marnus van der Merwe, 17 Sam O’Connor, 18 Henry Thomas, 19 Jarrod Taylor, 20 Dan Davis, 21 Dane Blacker, 22 Joe Hawkins, 23 Joe Roberts
Bristol Bears: 15 Tom Jordan, 14 Louis Rees-Zammit, 13 Benhard Janse van Rensburg, 12 James Williams, 11 Kalaveti Ravouvou, 10 Sam Worsley, 9 Kieran Marmion, 8 Bill Mata, 7 Fitz Harding (captain), 6 Santiago Grondona, 5 Joe Batley, 4 Pedro Rubiolo, 3 Max Lahiff, 2 Gabriel Oghre, 1 Ellis Genge
Replacements: 16 Harry Thacker, 17 Jake Woolmore, 18 Lovejoy Chawatama, 19 Joe Owen, 20 Benjamin Grondona, 21 Sam Wolstenholme, 22 Aidan Boshoff, 23 Josh Carrington
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Bath: 15 Tom de Glanville, 14 Joe Cokanasiga, 13 Max Ojomoh, 12 Cameron Redpath, 11 Henry Arundell, 10 Finn Russell, 9 Ben Spencer (captain), 8 Miles Reid, 7 Guy Pepper, 6 Josh Bayliss, 5 Charlie Ewels, 4 Quinn Roux, 3 Will Stuart, 2 Tom Dunn, 1 Beno Obano
Replacements: 16 Kepu Tuipulotu, 17 Francois van Wyk, 18 Thomas du Toit, 19 Ross Molony, 20 Ted Hill, 21 Tom Carr-Smith, 22 Santi Carreras, 23 Sam Underhill
Munster: 15 Shane Daly, 14 Diarmuid Kilgallen, 13 Tom Farrell, 12 Dan Kelly, 11 Thaakir Abrahams, 10 JJ Hanrahan, 9 Craig Casey, 8 Gavin Coombes, 7 John Hodnett, 6 Tadhg Beirne (captain), 5 Tom Ahern, 4 Jean Kleyn, 3 John Ryan, 2 Diarmuid Barron, 1 Michael Milne
Replacements: 16 Lee Barron, 17 Jeremy Loughman, 18 Michael Ala’alatoa, 19 Edwin Edogbo, 20 Ruadhan Quinn, 21 Ethan Coughlan, 22 Alex Nankivell, 23 Alex Kendellen
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Pau: 15 Aymeric Luc, 14 Gregoire Arfeuil, 13 Jack Maddocks, 12 Nathan Decron, 11 Clement Laporte, 10 Axel Desperes, 9 Dan Robson, 8 Facundo Isa, 7 Loic Credoz, 6 Sacha Zegueur, 5 Remi Picquette, 4 Thomas Jolmes, 3 Jon Zabala Arrieta, 2 Julian Montoya (capatin), 1 Alexandre Etchebehere
Replacements: 16 Lucas Rey, 17 Remi Seneca, 18 Guram Papidze, 19 Mickael Capelli, 20 Joel Kpoku, 21 Reece Hewat, 22 Thomas Souverbie, 23 Quentin Valentino
Northampton Saints: 15 George Furbank (captain), 14 James Ramm, 13 Rory Hutchinson, 12 Fraser Dingwall, 11 George Hendy, 10 Fin Smith, 9 Alex Mitchell, 8 Callum Chick, 7 Tom Pearson, 6 Josh Kemeny, 5 JJ van der Mescht, 4 Alex Coles, 3 Trevor Davison, 2 Craig Wright, 1 Danilo Fischetti
Replacements: 16 Robbie Smith, 17 Emmanuel Iyogun, 18 Cleopas Kundiona, 19 Ed Prowse, 20 Henry Pollock, 21 Sam Graham, 22 Tom James, 23 Toby Thame
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Toulouse: 15 Thomas Ramos, 14 Ange Capuozzo, 13 Teddy Thomas, 12 Kalvin Gourgues, 11 Blair Kinghorn, 10 Romain Ntamack, 9 Paul Graou, 8 Alexandre Roumat, 7 Anthony Jelonch, 6 Leo Banos, 5 Emmanuel Meafou, 4 Thibaud Flament, 3 Joel Merkler, 2 Julien Marchand (captain), 1 Rodrigue Neti
Replacements: 16 Guillaume Cramont, 17 David Ainu’u, 18 Dorian Aldegheri, 19 Joshua Brennan, 20 Mathis Castro-Ferreira, 21 Antoine Dupont, 22 Paul Costes, 23 Dimitri Delibes
Sharks: 15 Hakeem Kunene, 14 Yaw Penxe, 13 Le Roux Malan, 12 Francois Venter, 11 Makazola Mapimpi, 10 Jordan Hendrikse, 9 Ross Braude, 8 Nick Hatton (captain), 7 Bathobele Hlekani, 6 Matt Romao, 5 Marvin Orie, 4 JJ Scheepers, 3 Mawande Mdanda, 2 Eduan Swart, 1 Lee-Marvin Mazibuko
Replacements: 16 Fez Mbatha, 17 Simphiwe Ngobese, 18 Cebo Dlamini, 19 Jannes Potgieter, 20 Tinotenda Mavesere, 21 Jaden Hendrikse, 22 Jean Smith, 23 Phikolomzi Sobahle
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Gloucester: 15 Ben Redshaw, 14 Will Joseph, 13 Max Llewellyn, 12 Seb Atkinson, 11 Ollie Thorley, 10 Ross Byrne, 9 Tomos Williams (captain), 8 Will Trenholm, 7 Lewis Ludlow, 6 Deian Gwynne, 5 Matias Alemanno, 4 Freddie Thomas, 3 Kirill Gotovtsev, 2 Seb Blake, 1 Ciaran Knight
Replacements: 16 Jack Innard, 17 Val Rapava Ruskin, 18 Afolabi Fasogbon, 19 Cam Jordan, 20 Josh Basham, 21 Mike Austin, 22 Charlie Atkinson, 23 Rob Russell
Castres: 15 Theo Chabouni, 14 Christian Ambadiang, 13 Vuate Karawalevu, 12 Vilimoni Botitu, 11 Rémy Baget, 10 Pierre Popelin, 9 Jeremy Fernandez, 8 Veresa Ramototabua, 7 Baptiste Cope, 6 Baptiste Delaporte (captain), 5 Florent Vanverberghe, 4 Guillaume Ducat, 3 Aurelien Azar, 2 Loris Zarantonello, 1 Quentin Walcker
Replacements: 16 Teddy Durand-Pradere, 17 Atunaisa Sokobale, 18 Levan Chilachava, 19 Gauthier Maravat, 20 Abraham Papalii, 21 Gauthier Doubrere, 22 Enzo Herve, 23 Jack Goodhue
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Edinburgh: 15 Harry Paterson, 14 Darcy Graham, 13 Wes Goosen, 12 Findlay Thomson, 11 Duhan van der Merwe, 10 Cammy Scott, 9 Ben Vellacott, 8 Magnus Bradbury (captain), 7 Dylan Richardson, 6 Liam McConnell, 5 Grant Gilchrist, 4 Marshall Sykes, 3 Ollie Blyth-Lafferty, 2 Ewan Ashman, 1 Pierre Schoeman
Replacements: 16 Harri Morris, 17 Boan Venter, 18 Paul Hill, 19 Glen Young, 20 Freddy Douglas, 21 Charlie Shiel, 22 James Lang, 23 Piers O’Conor
Toulon: 15 Melvyn Jaminet, 14 Gaël Drean, 13 Nacho Brex, 12 Jérémy Sinzelle, 11 Mathis Ferte, 10 Paolo Garbisi, 9 Ben White, 8 Zach Mercer, 7 Esteban Abadie, 6 Lewis Ludlam, 5 Brian Alainu’uese, 4 David Ribbans (captain), 3 Kyle Sinckler, 2 Teddy Baubigny, 1 Jean-Baptiste Gros
Replacements: 16 Jeremy Toevalu, 17 Leo Ametlla, 18 Dany Priso, 19 Corentin Mezou, 20 Joe Quere Karaba, 21 Baptiste Serin, 22 Matéo Garcia, 23 Mathieu Smaili