Ulster: 15 Jacob Stockdale, 14 Robert Baloucoune, 13 James Hume, 12 Jude Postlethwaite, 11 Zac Ward, 10 Jack Murphy, 9 Nathan Doak, 8 Juarno Augustus, 7 Nick Timoney (captain), 6 Dave McCann, 5 Charlie Irvine, 4 Harry Sheridan, 3 Tom O’Toole, 2 Rob Herring, 1 Sam Crean.
Replacements: 16 Tom Stewart, 17 Angus Bell, 18 Scott Wilson, 19 Joe Hopes, 20 Bryn Ward, 21 Conor McKee, 22 Jake Flannery, 23 Stewart Moore.
Racing 92: 15 Geronimo Prisciantelli, 14 Nolann Donguy, 13 Sam James, 12 Vladi Ashvetia, 11 Wilfried Hulleu, 10 Antoine Gibert, 9 Kleo Labarbe, 8 Lekima Tagitagivalu, 7 Noa Zinzen, 6 Fabien Sanconnie, 5 Will Rowlands (captain), 4 Junior Kpoku, 3 Gia Kharaishvili, 2 Yanis Basse, 1 Edouard Jabea Njocke.
Replacements: 16 Diego Escobar, 17 Herman Coetzee, 18 Lehopoame Leota, 19 Maxime Baudonne, 20 Jonny Hill, 21 Auguste Albuisson, 22 Leo Carbonneau, 23 Arthur Espeut.
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Lions: 15 Quan Horn, 14 Kelly Mpeku, 13 Erich Cronje, 12 Bronson Mills, 11 Eduan Keyter, 10 Chris Smith, 9 Morne van den Berg, 8 Francke Horn (captain), 7 Ruan Venter, 6 Jarod Cairns, 5 Reinhard Nothnagel, 4 Etienne Oosthuizen, 3 Asenathi Ntlabakanye, 2 Franco Marais, 1 SJ Kotze.
Replacements: 16 Morne Brandon, 17 Edward Davids, 18 RF Schoeman, 19 Darrien Landsberg, 20 Renzo du Plessis, 21 Nico Steyn, 22 Richard Kriel, 23 Gianni Lombard.
Benetton: 15 Rhyno Smith, 14 Louis Lynagh, 13 Tommaso Menoncello, 12 Leonardo Marin, 11 Ignacio Mendy, 10 Jacob Umaga, 9 Andy Uren, 8 Alessandro Izekor, 7 Michele Lamaro (captain), 6 Manuel Zuliani, 5 Eli Snyman, 4 Niccolo Cannone, 3 Simone Ferrari, 2 Bautista Bernasconi, 1 Thomas Gallo.
Replacements: 16 Nicholas Gasperini, 17 Mirco Spagnolo, 18 Giosue Zilocchi, 19 Federico Ruzza, 20 So’otala Fa’aso’o, 21 Riccardo Favretto, 22 Alessandro Garbisi, 23 Tomas Albornoz.
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Stade Français Paris: 15 Mathis Ibo, 14 Charles Laloi, 13 Joe Marchant, 12 Julien Delbouis, 11 Lester Etien, 10 Louis Foursans-Bourdette, 9 Paul Abadie, 8 Yoan Tanga, 7 Ryan Chapuis, 6 Tanginoa Halaifonua, 5 Pierre-Henri Azagoh, 4 Paul Gabrillagues (captain), 3 Braxton Asi, 2 Giacomo Nicotera, 1 Sergo Abramishvili.
Replacements: 16 Alvaro Garcia Albo, 17 Jack Iscaro, 18 Moses Alo-Emile, 19 Juan-Martin Scelzo, 20 Thibaut Motassi, 21 Noah Nene, 22 Joe Jonas, 23 Setareki Turagacoke
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Cardiff: 15 Matty Young, 14 Mason Grady, 13 Cornel Smit, 12 Steff Emanuel, 11 Iwan Stephens, 10 Ioan Lloyd, 9 Ellis Bevan, 8 Alun Lawrence (captain), 7 Taine Basham, 6 James Botham, 5 Rory Thornton, 4 Josh McNally, 3 Sam Wainwright, 2 Evan Lloyd, 1 Rhys Barratt.
Replacements: 16 Dafydd Hughes, 17 Ioan Emanuel, 18 Javan Sebastian, 19 George Nott, 20 Dan Thomas, 21 Ieuan Davies, 22 Harri Wilde, 23 Elijah Evans
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Black Lion: 15 Luka Takaishvili, 14 Akaki Tabutsadze, 13 Demi Tapladze, 12 Tornike Kakhoidze, 11 Shalva Aptsiauri, 10 Luka Tsirekidze, 9 Tengiz Peranidze, 8 Giorgi Sinauridze, 7 Giorgi Tsutskiridze, 6 Sandro Mamamtavrishvili, 5 Demuri Epremidze, 4 Mikheil Babunashvili (captain), 3 Kakhaber Darbaidze, 2 Irakli Kvatadze, 1 Nika Khatiashvili.
Replacements: 16 Shalva Mamukashvili, 17 Vasil Kakovin, 18 Giorgi Chkhartishvili, 19 Giorgi Nikoladze, 20 Giorgi Kervalishvili, 21 Lasha Tsikhistavi, 22 Giorgi Spenderashvili, 23 Sandro Todua.
Montpellier: 15 Thomas Darmon, 14 Madosh Tambwe, 13 Auguste Cadot, 12 Justo Piccardo, 11 Donovan Taofifenua, 10 Stuart Hogg, 9 Tom Baraer, 8 Alex Masibaka, 7 Marco Tauleigne, 6 Matthieu Uhila, 5 Nils Punti, 4 Florian Verhaeghe, 3. Mohamed Haouas, 2 Jordan Uelese (captain), 1 Valentin Welsch
.
Replacements: 16 Ricky Riccitelli, 17Nika Abuladze, 18 Christopher Tolofua, 19 Bastien Chalureau, 20 Djibril Sissako, 21 Alexis Bernadet, 22 Thomas Vincent, 23 Lennox Anyanwu.
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Zebre Parma: 15 Giacomo da Re, 14 Malik Faissal, 13 Luca Morisi, 12 Enrico Lucchin, 11 Simone Gesi, 10 Martin Roger Farias, 9 Alessandro Fusco, 8 Davide Odiase, 7 Bautista Stavile, 6 Giacomo Ferrari, 5 Leonardo Krumov (captain), 4 Franco Carrera, 3 Matteo Nocera, 2 Giampietro Ribaldi, 1 Paolo Buonfiglio.
Replacements: 16 Tommaso di Bartolomeo, 17 Luca Franceschetto, 18 Muhamed Hasa, 19 Guido Volpi, 20 Jacopo Bianchi, 21 Migael Prinsloo, 22 Giulio Bertaccini, 23 Marco Zanon.
US Montauban: 15 Thomas Larregain, 14 Stephane Ahmed, 13 Romain Fonnicola, 12 Gibson Popoali’i, 11 Segundo Tuculet, 10 Jerome Bosviel, 9 Mael Castel, 8 Sikhumbuzo Notshe, 7 Kyllian Ringuet, 6 Corentin Coularis, 5 Noa Kanika, 4 Karl Wilkins (captain), 3 Facundo Pomponio, 2 Kevin Firmin, 1 Nugzar Somkhishvili.
Replacements: 16 Jeremie Maurouard, 17 Lucas Seyrolle, 18 Vaea Fifita, 19 Tyrone Viiga, 20 Merlin Leflamand, 21 Joe Powell, 22 Gade Asaeli, 23 Valentin Simutoga.
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Perpignan : 15 Jordan Petaia, 14 Tavite Veredamu, 13 Freddy Duguivalu, 12 Duncan Paia’aua, 11 Jefferson Joseph, 10 Gabin Kretchmann, 9 James Hall, 8 Andro Dvali, 7 Jamie Ritchie (captain), 6 Mahamadou Diaby, 5 Bastien Chinarro, 4 Matteo le Corvec, 3 Nemo Roelofse, 2 Sama Malolo, 1 Giorgi Tetrashvili.
Replacements: 16 Victor Montgaillard, 17 Bruce Devaux, 18 Akato Fakatika, 19 Davit Lagvilava, 20 Jaco van Tonder, 21 Gela Aprasidze, 22 Job Poulet, 23 Mayron Fahy.
Dragons: 15 Cai Evans, 14 Fine Inisi, 13 Dai Richards, 12 Joe Westwood, 11 Rio Dyer, 10 Angus O’Brien (captain), 9 Rhodri Williams, 8 Mackenzie Martin, 7 Thomas Young, 6 Shane Lewis-Hughes, 5 Ben Carter (captain), 4 Matthew Screech, 3 Luke Yendle, 2 Sam Scarfe, 1 Rodrigo Martinez.
Replacements: 16 Will Austin, 17 Dylan Kelleher-Griffiths, 18 Rob Hunt, 19 Barny Langton-Cryer, 20 Harrison Keddie, 21 Che Hope, 22 Tinus de Beer, 23 Ewan Rosser.
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Ospreys: 15 Jack Walsh, 14 Daniel Kasende, 13 Evradi Boshoff, 12 Phil Cokanasiga, 11 Iestyn Hopkins, 10 Dan Edwards, 9 Reuben Morgan-Williams, 8 Ross Moriarty, 7 Harri Deaves, 6 James Ratti, 5 Ryan Smith, 4 Rhys Davies, 3 Tom Botha, 2 Sam Parry (captain), 1 Garyn Phillips.
Replacements: 16 Lewis Lloyd, 17 Gareth Thomas, 18 Rhys Henry, 19 Huw Sutton, 20 Gwilym Evans, 21 Luke Davies, 22 Max Nagy, 23 Keelan Giles.
Connacht: 15 Sean Naughton, 14 Shane Jennings, 13 Sam Gilbert, 12 Bundee Aki (captain), 11 Finn Treacy, 10 Jack Carty, 9 Ben Murphy, 8 Sean Jansen, 7 Sean O’Brien, 6 Josh Murphy, 5 David O’Connor, 4 Joe Joyce, 3 Finlay Bealham, 2 Dave Heffernan, 1 Denis Buckley.
Replacements: 16 Eoin de Buitlear, 17 Jordan Duggan, 18 Jack Aungier, 19 Darragh Murray, 20 Paul Boyle, 21 Colm Reilly, 22 Sean Walsh, 23 Harry West.
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Exeter: 15 Ben Hammersley, 14 Olly Woodburn, 13 Henry Slade, 12 Len Ikitau, 11 Immanuel Feyi-Waboso, 10 Harvey Skinner, 9 Charlie Chapman, 8 Greg Fisilau, 7 Ethan Roots, 6 Tom Hooper, 5 Andrea Zambonin, 4 Dafydd Jenkins (captain), 3 Bachuki Tchumbadze, 2 Jack Yeandle, 1 Scott Sio.
Replacements: 16 Joseph Dweba, 17 Will Goodrick-Clarke, 18 Jimmy Roots, 19 Lewis Pearson, 20 Kane James, 21 Tom Cairns, 22 Will Haydon-Wood, 23 Dan John.
Cheetahs: 15 Michael Annies, 14 Munier Hartzenberg, 13 De-an Ackermann, 12 Zander du Plessis, 11 Prince Nkabinde, 10 Jaco van der Walt, 9 Marco Jansen van Vuren, 8 Gideon van der Merwe, 7 Juan Venter, 6 Pierre Uys, 5 Victor Sekekete, 4 Carl Wegner, 3 Aranos Coetzee, 2 Louis van der Westhuizen (captain), 1 Cameron Dawson
.
Replacements: 16 Vernon Paulo, 17 Tielman Nieuwoudt, 18 Frankie Dos Reis, 19 Sisonke Vumazonke, 20 Neels Volschenk, 21 Daniel Maarten, 22 Jandré Nel, 23 Cohen Jasper.