Leicester Tigers: 15 Freddie Steward, 14 Adam Radwan, 13 Will Wand, 12 Solomone Kata, 11 Ollie Hassell-Collins, 10 Billy Searle, 9 Tom Whiteley, 8 Joaquin Moro, 7 Tommy Reffell (captain), 6 James Thompson, 5 Harry Wells, 4 Cameron Henderson, 3 Joe Heyes, 2 Jamie Blamire, 1 Nicky Smith.
Replacements: 16 Finn Theobald Thomas, 17 Archie van der Flier, 18 Will Hurd, 19 Tom Manz, 20 Sam Williams, 21 Ollie Allan, 22 Orlando Bailey, 23 Joseph Woodward.
Leinster: 15 Jimmy O’Brien, 14 Tommy O’Brien, 13 Rieko Ioane, 12 Robbie Henshaw, 11 James Lowe, 10 Harry Byrne, 9 Jamison Gibson-Park, 8 Caelan Doris (captain), 7 Josh van der Flier, 6 Jack Conan, 5 James Ryan, 4 Joe McCarthy, 3 Tadhg Furlong, 2 Rónan Kelleher, 1 Paddy McCarthy.
Replacements: 16 Dan Sheehan, 17 Jack Boyle, 18 Thomas Clarkson, 19 Diarmuid Mangan, 20 Max Deegan, 21 Luke McGrath, 22 Sam Prendergast, 23 Ciarán Frawley.
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Stormers: 15 Warrick Gelant, 14 Dylan Maart, 13 Ruhan Nel, 12 Jonathan Roche, 11 Leolin Zas, 10 Sacha Feinberg-Mngomezulu, 9 Cobus Reinach, 8 Evan Roos, 7 Ben-Jason Dixon, 6 Paul de Villiers, 5 JD Schickerling, 4 Salmaan Moerat, 3 Neethling Fouché, 2 André-Hugo Venter, 1 Ntuthuko Mchunu
Replacements: 16 JJ Kotzé, 17 Oli Kebble, 18 Sazi Sandi, 19 Connor Evans, 20 Ruan Ackermann, 21 Marcel Theunissen, 22 Imad Khan, 23 Wandisile Simelane
La Rochelle: 15 Nathan Bollengier, 14 Suliasi Vunivalu, 13 Adrien Seguret, 12 Simeli Daunivucu, 11 Hoani Bosmorin, 10 Diego Jurd, 9 Nolhann Couillaud, 8 Lucas Andjisseramatchi (captain), 7 Kirill Fraindt, 6 Charles Kante Samba, 5 Kane Douglas, 4 Ultan Dillane, 3 Karl Sorin, 2 Quentin Lespiaucq, 1 Reda Wardi
Replacements: 16 Nikoloz Sutidze, 17 Christian Luaki, 18 Joel Sclavi, 19 Simon Huchet, 20 Aleksandre Kuntelia, 21 Edouard Richer, 22 Thomas Berjon, 23 Dillyn Leyds.
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Sharks: 15 Aphelele Fassi, 14 Edwill van der Merwe, 13 Ethan Hooker, 12 Andre Esterhuizen (captain), 11 Makazole Mapimpi, 10 George Whitehead, 9 Grant Williams, 8 Phepsi Buthelezi, 7 Vincent Tshituka, 6 Siya Kolisi, 5 Emile van Heerden, 4 Jason Jenkins, 3 Hanro Jacobs, 2 Bongi Mbonambi, 1 Phatu Ganyane
Replacements: 16 Eduan Swart, 17 Lee-Marvin Mazibuko, 18 Mawande Mdanda, 19 Marvin Orie, 20 Matt Romao, 21 Nick Hatton, 22 Jaden Hendrikse, 23 Jordan Hendrikse
Saracens: 15 Elliot Daly, 14 Rotimi Segun, 13 Sam Spink, 12 Olly Hartley, 11 Angus Hall, 10 Fergus Burke, 9 Charlie Bracken, 8 Tom Willis, 7 Andy Onyeama-Christie (captain), 6 Theo McFarland, 5 Harry Wilson, 4 Nick Isiekwe, 3 Marco Riccioni, 2 Theo Dan, 1 Eroni Mawi
Replacements: 16 James Hadfield, 17 Alex O Driscoll, 18 Marcus Street, 19 Hugh Tizard, 20 Nathan Michelow, 21 Ben Earl, 22 Gareth Simpson, 23 Alex Lozowski
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Bordeaux-Bègles: 15 Xan Mousques, 14 Damian Penaud, 13 Pablo Uberti, 12 Yoram Moefana, 11 Louis Bielle-Biarrey, 10 Matthieu Jalibert, 9 Martin Page-Relo, 8 Temo Matiu, 7 Bastien Vergnes-Taillefer, 6 Tiaan Jacobs, 5 Adam Coleman, 4 Boris Palu, 3 Sipili Falatea, 2 Gaetan Barlot, 1 Jefferson Poirot (captain)
Replacements: 16 Christian Everitt, 17 Matis Perchaud, 18 Ben Tameifuna, 19 Jonny Gray, 20 Romain Gardrat, 21 Arthur Retiere, 22 Joey Carbery, 23 Rohan Janse van Rensburg
Scarlets: 15 Jac Davies, 14 Tomi Lewis, 13 Joe Roberts, 12 Eddie James, 11 Ellis Mee, 10 Joe Hawkins, 9 Dane Blacker, 8 Fletcher Anderson, 7 Dan Davis, 6 Josh Macleod (captain), 5 Jake Ball, 4 Max Douglas, 3 Henry Thomas, 2 Marnus van der Merwe, 1 Alec Hepburn
Replacements: 16 Ryan Elias, 17 Kemsley Mathias, 18 Harri O’Connor, 19 Sam Lousi, 20 Jarrod Taylor, 21 Archie Hughes, 22 Sam Costelow, 23 Macs Page
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Glasgow Warriors: 15 Josh McKay, 14 Kyle Steyn (captain), 13 Stafford McDowall, 12 Sione Tuipulotu, 11 Ollie Smith, 10 Adam Hastings, 9 Jamie Dobie, 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 Craig, 20 Gregor Brown, 21 Ally Miller, 22 George Horne, 23 Dan Lancaster
Toulouse: 15 Thomas Ramos, 14 Ange Capuozzo, 13 Paul Costes, 12 Kalvin Gourgues, 11 Blair Kinghorn, 10 Romain Ntamack, 9 Antoine Dupont, 8 Anthony Jelonch, 7 Leo Banos, 6 Jack Willis, 5 Thibaud Flament, 4 Joshua Brennan, 3 Dorian Aldegheri, 2 Julien Marchand (captain), 1 David Ainu’u
Replacements: 16 Thomas Lacombre, 17 Rodrigue Neti, 18 Joel Merkler, 19 Emmanuel Meafou, 20 Mathis Castro-Ferreira, 21 Alexandre Roumat, 22 Paul Graou, 23 Teddy Thomas
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Harlequins: 15 Nick David, 14 Cassius Cleaves, 13 Oscar Beard, 12 Luke Northmore, 11 Cadan Murley (captain), 10 Marcus Smith, 9 Will Porter, 8 Zach Carr, 7 Will Evans, 6 Jack Kenningham, 5 Stephan Lewies, 4 Guido Petti Pagadizábal, 3 Pedro Delgado, 2 Jack Walker, 1 Fin Baxter
Replacements: 16 Sam Riley, 17 Boris Wenger, 18 Will Hobson, 19 Kieran Treadwell, 20 Chandler Cunningham-South, 21 Lucas Friday, 22 Jamie Benson, 23 Ben Waghorn
Bayonne: 15 Yohan Orabe, 14 Jonah Thompson, 13 Sireli Maqala, 12 Federico Mori, 11 Victor Hannoun, 10 Tom Spring, 9 Baptiste Tilloles, 8 Manex Ariceta, 7 Esteban Capilla, 6 Alexandre Fischer (captain), 5 Lucas Paulos, 4 Alvaro Garcia Iandolino, 3 Emerick Setiano, 2 Lucas Martin, 1 Ignacio Calles
Replacements: 16 Vincent Giudicelli, 17 Swan Cormenier, 18 Marco Fepulea’i, 19 Baptiste Heguy, 20 Raphael Marchesin, 21 Noa Traversier, 22 Herschel Jantjies, 23 Pyrénées Boyle-Tiatia
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Castres: 15 Geoffrey Palis, 14 Christian Ambadiang, 13 Vilimoni Botitu, 12 Jack Goodhue, 11 Adam Vargas, 10 Pierre Popelin, 9 Jeremy Fernandez, 8 Abraham Papalii, 7 Tyler Ardron, 6 Baptiste Delaporte (captain), 5 Tom Staniforth, 4 Gauthier Maravat, 3 Aurelien Azar, 2 Loris Zarantonello, 1 Quentin Walcker
Replacements: 16 Teddy Durand-Pradere, 17 Lois Guerois-Galisson, 18 Nicolas Corato, 19 Leone Nakarawa, 20 Baptiste Cope, 21 Gauthier Doubrere, 22 Enzo Herve, 23 Vuate Karawalevu
Edinburgh: 15 Jack Brown, 14 Ross McCann, 13 Matt Currie, 12 Piers O’Conor, 11 Lewis Wells, 10 Cammy Scott, 9 Ben Vellacott, 8 Tom Dodd, 7 Freddy Douglas, 6 Liam McConnell, 5 Glen Young, 4 Callum Hunter-Hill, 3 Ollie Blyth-Lafferty, 2 Harri Morris, 1 Boan Venter
Replacements: 16 Ewan Ashman, 17 Mikey Jones, 18 Paul Hill, 19 Connor Boyle, 20 Hamish Watson, 21 Charlie Shiel, 22 James Lang, 23 Wes Goosen
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Toulon: 15 Mathis Ferte, 14 Gaël Drean, 13 Nacho Brex, 12 Jérémy Sinzelle, 11 Setariki Tuicuvu, 10 Matéo Garcia, 9 Baptiste Serin, 8 Zach Mercer, 7 Charles Ollivon (captain), 6 Lewis Ludlam, 5 Brian Alainu’uese, 4 Swan Rebbadj, 3 Kyle Sinckler, 2 Gianmarco Lucchesi, 1 Jean-Baptiste Gros
Replacements: 16 Teddy Baubigny, 17 Leo Ametlla, 18 Dany Priso, 19 Corentin Mezou, 20 Esteban Abadie, 21 Ben White, 22 Mathieu Smaili, 23 Joe Quere Karaba
Bath: 15 Santi Carreras, 14 Joe Cokanasiga, 13 Max Ojomoh, 12 Cameron Redpath, 11 Henry Arundell, 10 Finn Russell, 9 Tom Carr-Smith, 8 Alfie Barbeary, 7 Sam Underhill, 6 Ted Hill, 5 Ross Molony, 4 Quinn Roux, 3 Billy Sela, 2 Tom Dunn, 1 Beno Obano
Replacements: 16 Kepu Tuipulotu, 17 Francois van Wyk, 18 Thomas du Toit, 19 Charlie Ewels, 20 Miles Reid, 21 Neil le Roux, 22 Louie Hennessey, 23 Arthur Green
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Northampton: 15 George Furbank (captain), 14 Ollie Sleightholme, 13 Rory Hutchinson, 12 Fraser Dingwall, 11 George Hendy, 10 Fin Smith, 9 Alex Mitchell, 8 Henry Pollock, 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 Chunya Munga, 20 Ed Prowse, 21 Sam Graham, 22 Tom James, 23 Toby Thame
Bulls: 15 Devon Williams, 14 Sergeal Petersen, 13 Stedman Gans, 12 Harold Vorster, 11 Stravino Jacobs, 10 Kade Wolhuter, 9 Zak Burger, 8 Elrigh Louw, 7 Reinhardt Ludwig, 6 Marcell Coetzee (captain), 5 JF van Heerden, 4 Cobus Wiese, 3 Mornay Smith, 2 Akker van der Merwe, 1 Alulutho Tshakweni
Replacements: 16 Juann Else, 17 Sti Sithole, 18 Khutha Mchunu, 19 Mpilo Gumede, 20 Nizaam Carr, 21 Embrose Papier, 22 Keagan Johannes, 23 Phillip-Albert van Niekerk
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Bristol Bears: 15 Louis Rees-Zammit, 14 Kalaveti Ravouvou, 13 Benhard Janse van Rensburg, 12 James Williams, 11 Aidan Boshoff, 10 Tom Jordan, 9 Kieran Marmion, 8 Fitz Harding (captain), 7 Benjamin Grondona, 6 Joe Owen, 5 Joe Batley, 4 Pedro Rubiolo, 3 Lovejoy Chawatama, 2 Gabriel Oghre, 1 Ellis Genge
Replacements: 16 Harry Thacker, 17 Jake Woolmore, 18 Max Lahiff, 19 Santiago Grondona, 20 Luka Ivanishvili, 21 Sam Wolstenholme, 22 Sam Worsley, 23 Josh Carrington
Pau: 15 Aymeric Luc, 14 Aaron Grandidier Nkanang, 13 Fabien Brau-Boirie, 12 Quentin Valentino, 11 Clement Laporte, 10 Clément Mondinat, 9 Dan Robson, 8 Carwyn Tuipulotu, 7 Clément Paul, 6 Joel Kpoku, 5 Mickael Capelli, 4 Thomas Jolmes, 3 Siate Tokolahi, 2 Lucas Rey (captain), 1 Daniel Bibi Biziwu
Replacements: 16 Youri Delhommel, 17 Hugo Parrou, 18 Jon Zabala Arrieta, 19 Remi Picquette, 20 Loic Credoz, 21 Thomas Souverbie, 22 Nathan Decron, 23 Thomas Carol
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Clermont: 15 Axel Guillaud, 14 Yerim Fall, 13 Timeo Frier, 12 George Moala, 11 Alivereti Raka, 10 Irae Simone, 9 Sebastien Bezy, 8 Selevasio Tolofua, 7 Marcos Kremer, 6 Killian Tixeront (captain), 5 Thomas Ceyte, 4 Rob Simmons, 3 Cristian Ojovan, 2 Etienne Fourcade, 1 Sacha Lotrian
Replacements: 16 Seilala Lam, 17 Giorgi Akhaladze, 18 Giga Tutisani, 19 Tevita Ratuva, 20 Pio Muarua, 21 Lucas Zamora, 22 Harry Plummer, 23 Alex Newsome
Sale Sharks: 15 Arron Reed, 14 Tom O’Flaherty, 13 Joe Bedlow, 12 Marius Louw, 11 Alex Wills, 10 Rob du Preez, 9 Raffi Quirke, 8 Ben 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 Tristan Woodman, 21 Gus Warr, 22 Ollie Davies, 23 Gurshwin Wehr
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Sharks: 15 Aphelele Fassi, 14 Edwill van der Merwe, 13 Ethan Hooker, 12 Andre Esterhuizen (captain), 11 Makazole Mapimpi, 10 George Whitehead, 9 Grant Williams, 8 Phepsi Buthelezi, 7 Vincent Tshituka, 6 Siya Kolisi, 5 Emile van Heerden, 4 Jason Jenkins, 3 Hanro Jacobs, 2 Bongi Mbonambi, 1 Phatu Ganyane.
Replacements: 16 Eduan Swart, 17 Lee-Marvin Mazibuko, 18 Mawande Mdanda, 19 Marvin Orie, 20 Matt Romao, 21 Nick Hatton, 22 Jaden Hendrikse, 23 Jordan Hendrikse.
Saracens: 15 Elliot Daly, 14 Rotimi Segun, 13 Sam Spink, 12 Olly Hartley, 11 Angus Hall, 10 Fergus Burke, 9 Charlie Bracken, 8 Tom Willis, 7 Andy Onyeama-Christie (captain), 6 Theo McFarland, 5 Harry Wilson, 4 Nick Isiekwe, 3 Marco Riccioni, 2 Theo Dan, 1 Eroni Mawi
Replacements: 16 James Hadfield, 17 Alex O Driscoll, 18 Marcus Street, 19 Hugh Tizard, 20 Nathan Michelow, 21 Ben Earl, 22 Gareth Simpson, 23 Alex Lozowski