Dragons: 15 Angus O’Brien (captain), 14 Cai Evans, 13 David Richards, 12 Aneurin Owen, 11 Huw Anderson, 10 Tinus de Beer, 9 Rhodri Williams, 8 Mackenzie Martin, 7 Thomas Young, 6 Ryan Woodman, 5 Matthew Screech, 4 Seb Davies, 3 Robert Hunt, 2 Oli Burrows, 1 Dylan Kelleher-Griffiths.
Replacements: 16 Will Austin, 17 Wyn Jones, 18 Owain James, 19 Levi Douglas, 20 Shane Lewis-Hughes, 21 Niall Armstrong, 22 Joe Westwood, 23 Ewan Rosser.
Leinster: 15 Jimmy O’Brien, 14 Joshua Kenny, 13 Hugh Cooney, 12 Ciarán Frawley, 11 Jordan Larmour, 10 Harry Byrne, 9 Fintan Gunne, 8 Max Deegan (captain), 7 Scott Penny, 6 Alex Soroka, 5 Diarmuid Mangan, 4 Brian Deeny, 3 Thomas Clarkson, 2 Gus McCarthy, 1 Jack Boyle.
Replacements: 16 John McKee, 17 Jerry Cahir, 18 Rabah Slimani, 19 RG Snyman, 20 Josh Ericson, 21 Luke McGrath, 22 Charlie Tector, 23 Ruben Moloney.
________________________________________
Ulster: 15 Jacob Stockdale, 14 Rob Baloucoune, 13 James Hume, 12 Jude Postlethwaite, 11 Werner Kok, 10 Jack Murphy, 9 Nathan Doak, 8 Juarno Augustus, 7 Nick Timoney, 6 David McCann, 5 Iain Henderson, 4 Harry Sheridan, 3 Scott Wilson, 2 Tom Stewart, 1 Sam Crean.
Replacements: 16 Rob Herring, 17 Callum Reid, 18 Tom O’Toole, 19 Matthew Dalton, 20 Bryn Ward, 21 David Shanahan, 22 Jake Flannery, 23 Stewart Moore.
Benetton: 15 Rhyno Smith, 14 Onisi Ratave, 13 Paolo Odogwu, 12 Filippo Drago, 11 Ignacio Mendy, 10 Jacob Umaga, 9 Andy Uren, 8 So’otala Fa’aso’o, 7 Michele Lamaro (captain), 6 Jadin Kingi, 5 Eli Snyman, 4 Federico Ruzza, 3 Giosué Zilocchi, 2 Bautista Bernasconi, 1 Destiny Aminu.
Replacements: 16 Nicholas Gasperini, 17 Nahuel Tetaz Chaparro, 18 Marcos Gallorini, 19 Giulio Marini, 20 Alessandro Izekor, 21 John Bryant, 22 Louis Werchon, 23 Leonardo Marin
________________________________________
Bulls: 15 Willie le Roux, 14 Sebastian de Klerk, 13 David Kriel, 12 Jan Serfontein, 11 Stavino Jacobs, 10 Keagan Johannes, 9 Embrose Papier, 8 Jj Theron, 7 Reinhardt Ludwig (captain), 6 Jeandre Rudolph, 5 JF van Heerden , 3 Francois Klopper, 2 Akker van der Merwe, 1 Alu Tshakweni
Replacements: 16 Jean Else; 17 Sti Sithole; 18 Mornay Smith; 19 Cobus Wiese; 20 Elrigh Louw; 21 Paul de Wet; 22 Stedman Gans; 23 Cheswill Jooste.
Lions: 15 Quan Horn, 14 Kelly Mpeku, 13 Henco van Wyk, 12 Bronson Mills, 11 Eduan Keyter, 10 Chris Smith, 9 Nico Steyn, 8 Francke Horn (captain), 7 Ruan Venter, 6 Jarod Cairns, 5 Reinhard Nothnagel, 4 Etienne Oosthuizen, 3 RF Schoeman, 2 Franco Marai, 1 SJ Kotze.
Replacements: 16 Morne Brandon, 17 Edward Davids, 18 Conrad van Vuuren, 19 Darrien Landsberg, 20 Renzo du Plessis, 21 Sibabalo Qoma, 22 Haashim Pead, 23 Gianni Lombard
_______________________________________
Zebre: 15 Lorenzo Pani, 14 Mirko Belloni, 13 Giulio Bertaccini, 12 Marco Zanon, 11 Simone Gesi, 10 Thomas Roger Farias, 9 Alessandro Fusco, 8 Giovanni Licata (captain), 7 Samuele Locatelli, 6 Davide Ruggeri, 5 Leonard Krumov, 4 Alessandro Ortombina, 3 Matteo Nocera, 2 Tommaso Di Bartolomeo, 1 Muhamed Hasa
Replacements: 16 Giampiero Ribaldi, 17 Paolo Buonfiglio, 18 Juan Pitinari, 19 Giacomo Ferrari, 20 David Odiase, 21 Migael Prinsloo, 22 Giacomo Da Re, 23 Damiano Mazza
Cardiff: 15 Cam Winnett, 14 Mason Grady, 13 Harri Millard, 12 Steff Emanuel, 11 Tom Bowen, 10 Ioan Lloyd, 9 Aled Davies, 8 Alun Lawrence, 7 Dan Thomas, 6 Ben Donnell, 5 George Nott, 4 Josh McNally (captain), 3 Javan Sebastian, 2 Daf Hughes, 1 Rhys Barratt
Replacements: 16 Max Pearce, 17 Ioan Emanuel, 18 Sam Wainwright, 19 James Botham, 20 Taine Basham, 21 Ellis Bevan, 22 Harri Wilde, 23 Cornel Smit
_______________________________________
Edinburgh: 15 Wes Goosen, 14 Lewis Wells, 13 Piers O’Conor, 12 Findlay Thomson, 11 Duhan van der Merwe, 10 Ross Thompson, 9 Ben Vellacott, 8 Tom Currie, 7 Ben Muncaster, 6 Liam McConnell, 5 Grant Gilchrist (captain), 4 Callum Hunter-Hill, 3 Paul Hill, 2 Harri Morris, 1 Pierre Schoeman
Replacements: 16 Dylan Richardson, 17 Boan Venter, 18 Ollie Blyth-Lafferty, 19 Marshall Sykes, 20 Magnus Bradbury, 21 Conor McAlpine, 22 Cammy Scott, 23 Harry Paterson
Ospreys: 15 Max Nagy, 14 Daniel Kasende, 13 Evardi Boshoff, 12 Phil Cokanasiga, 11 Iestyn Hopkins, 10 Jack Walsh (co-captain), 9 Luke Davies, 8 Ross Moriarty, 7 Gwilym Evans, 6 Lewis Lloyd, 5 Huw Sutton, 4 Ryan Smith, 3 Tom Botha, 2 Sam Parry (co-captain), 1 Cameron Jones
Replacements: 16 Efan Daniel, 17 Steffan Thomas, 18 Kian Hire, 19 Lewis Jones, 20 Will Greatbanks, 21 Scott Whitlock, 22 Luke Morgan, 23 Harri Houston
____________________________________
Munster: 15 Shane Daly, 14 Diarmuid Kilgallen, 13 Tom Farrell, 12 Alex Nankivell, 11 Thaakir Abrahams, 10 Jack Crowley, 9 Craig Casey, 8 Gavin Coombes, 7 Jack O’Donoghue, 6 Tadhg Beirne (captain), 5 Fineen Wycherley, 4 Tom Ahern, 3 John Ryan, 2 Diarmuid Barron, 1 Jeremy Loughman
Replacements: 16 Niall Scannell, 17 Michael Milne, 18 Ronan Foxe, 19 Edwin Edogbo, 20 John Hodnett, 21 Ethan Coughlan, 22 Tony Butler, 23 Dan Kelly
Stormers: 15 Warrick Gelant, 14 Dylan Maart, 13 Wandisile Simelane, 12 Ruhan Nel, 11 Leolin Zas, 10 Jurie Matthee, 9 Stefan Ungerer, 8 Evan Roos, 7 Marcel Theunissen, 6 Paul de Villiers, 5 Connor Evans, 4 Salmaan Moerat (captain), 3 Neethling Fouché, 2 André-Hugo Venter, 1 Vernon Matongo.
Replacements: 16 JJ Kotzé, 17 Oli Kebble, 18 Sazi Sandi, 19 Adré Smith, 20 JD Schickerling, 21 Ruan Ackermann, 22 Dewaldt Duvenage, 23 Clinton Swart.
____________________________________
Connacht: 15 Sean Naughton, 14 Chay Mullins, 13 Hugh Gavin, 12 Cathal Forde, 11 Shayne Bolton, 10 Josh Ioane, 9 Ben Murphy, 8 Sean Jansen, 7 Paul Boyle (captain), 6 Josh Murphy, 5 Darragh Murray, 4 Niall Murray, 3 Jack Aungier, 2 Dave Heffernan, 1 Jordan Duggan
Replacements: 16 Eoin de Buitlear, 17 Denis Buckley, 18 Sam Illo, 19 David O’Connor, 20Sean O’Brien, 21 Matthew Devine, 22 Bundee Aki, 23 Sam Gilbert
Sharks: 15 Jordan Hendrikse, 14 Edwill van der Merwe, 13 Jurenzo Julius, 12 Francois Venter, 11 Makazole Mapimpi, 10 George Whitehead, 9 Jaden Hendriks, 8 Emmanuel Tshituka, 7 Vincent Tshituka (captain), 6 Matt Romao, 5 Marvin Orie, 4 Jason Jenkins, 3 Hanro Jacobs, 2 Fez Mbatha, 1 Phatu Ganyane.
Replacements: 16 Eduan Swart, 17 Lee-Marvin Mazibuko, 18 Mawande Mdanda, 19 Emile van Heerden, 20 Phepsi Buthelezi, 21 Grant Williams, 22 Le Roux Malan, 23 Hakeem Kunene
____________________________________
Scarlets: 15 Jac Davies, 14 Iori Badham, 13 Macs Page, 12 Eddie James, 11 Tomi Lewis, 10 Sam Costelow, 9 Gareth Davies, 8 Fletcher Anderson, 7 Josh Macleod (captain), 6 Max Douglas, 5 Sam Lousi, 4 Jake Ball, 3 Archer Holz, 2 Ryan Elias,1 Kemsley Mathias
Replacements: 16 Marnus van der Merwe, 17 Sam O’Connor, 18 Henry Thomas, 19 Harvey Cuckson, 20 Dan Davis, 21 Dane Blacker, 22 Carwyn Leggatt-Jones, 23 Gabe McDonald
Glasgow Warriors: 15 Josh McKay, 14 Kyle Rowe, 13 Ollie Smith, 12 Stafford McDowall (captain), 11 Kerr Johnston, 10 Dan Lancaster, 9 Ben Afshar, 8 Macenzzie Duncan, 7 Angus Fraser, 6 Gregor Brown, 5 Jare Oguntibeju, 4 Alex Craig, 3 Patrick Schickerling, 2 Johnny Matthews, 1 Jamie Bhatti
Replacements: 16 Gregor Hiddleston, 17 Nathan McBeth, 18 Sam Talakai, 19 Max Williamson, 20 Alex Samuel, 21 Ally Miller, 22 George Horne, 23 Adam Hastings