Harlequins v Bath, Saturday 1440, The Stoop

Harlequins: Ross Chisholm; Tom Williams, Tom Casson, Harry Sloan, Charlie Walker; Nick Evans, Karl Dickson; Darryl Marfo, Rob Buchanan, Mark Lambert (c); George Merrick, Sam Twomey; Joe Trayfoot, Jack Clifford, James Chisholm

Replacements: Joe Gray, Seb Adeniran-Olule, Matt Shields, Kieran Treadwell, Henry Cheeseman; Jordan Burns, Ben Botica, Ollie Lindsay-Hague

Bath: Horacio Agulla; Olly Woodburn, Max Clark, Matt Banahan, Richard Lane; Rory Jennings, Will Homer; Nick Auterac, Tom Dunn, Kane Palma-Newport; Dominic Day, Charlie Ewels; Alafoti Fa'osiliva, Guy Mercer (c), David Sisi.

Replacements: Tom Woolstencroft, Beno Obano, Max Lahiff, Tom Ellis, Max Northcote-Green, Micky Young, Peter Stringer, George Wacokecoke.

Gloucester v Ospreys, Saturday 1550, Kingsholm

Gloucester: Aled Thomas (capt); Steph Reynolds, Henry Purdy, Bill Meakes, Ollie Thorley; Billy Burns, Callum Braley; Dan Murphy, Darren Dawidiuk, Sila Puafisi; Elliott Stooke, Tom Hicks; Dan Thomas, Jacob Rowan, Ross Moriarty

Replacements: Aleki Lutui, Yann Thomas, Shaun Knight, Joe Batley, Lewis Ludlow; Dan Robson, Elliott Creed, Kai Little

Ospreys: Richard Fussell; Tom Grabham, Jonathan Spratt (Capt), Ben John, Dafydd Howells; Sam Davies, Tom Habberfield; Gareth Thomas, Scott Otten, Daniel Suter; Rynier Bernardo, Tevita Cavubati; Olly Cracknell, Ieuan Jones, Morgan Allen

Replacement: Matthew Dwyer, Tom Sloane, Cai Griffiths, Rhodri Hughes, Ifereimi Boladau; Martin Roberts, Joe Thomas, Aisea Natoga

Leicester Tigers v Northampton Saints, Saturday 1500, Welford Road

Leicester: Tommy Bell; Niall Morris, George Catchpole, Jack Roberts, Adam Thompstone; Owen Williams, Sam Harrison (c); Michele Rizzo, Harry Thacker, Fraser Balmain; Greg Peterson, Sebastian De Chaves; Jamie Gibson, Robert Barbieri, Laurence Pearce

Replacements: Neil Briggs, Riccardo Brugnara, Logovi'i Mulipola, Jack Whetton, Charlie Beckett; David Mele, Matt Smith, Terrence Hepetema

Northampton: Tom Collins; Jamie Elliott, Dominic Waldouck, Tom Stephenson, Howard Packman; Will Hooley, Joel Hodgson; Ethan Waller, Matti Williams, Gareth Denman; Tom Ryder, Alex Woolford; Phil Dowson (c), Teimana Harrison, Cam Dolan.

Replacements: Rhys Marshall, Danny Hobbs-Awoyemi, Adam Parkins, Jordan Onojaife, Ben Nutley, Alex Day, Sam Olver, Rory Hutchinson.

Scarlets v London Irish, Saturday 1830, Parc Y Scarlets

Scarlets: Josh Lewis; Harry Robinson, Frazier Climo, Adam Warren, Kristian Phillips; Steven Shingler, Rhodri Williams; Phil John, Ken Owens (capt), Peter Edwards; George Earle, Lewis Rawlins; Phil Day, Will Boyde, Rory Pitman

Replacements: Darran Harris, Wyn Jones, Jacobie Adriaanse, Jack Payne, Sion Bennett, Kieran Hardy, Dan Jones, Kyle Evans

London Irish: Tom Homer; James Short; Tom Fowlie, Eoin Griffin, Andrew Fenby, Myles Dorrian, Darren Allinson; Johnny Harris, Jimmy Stevens, Leo Halavatau, Nic Rouse (capt), Sean Cox, Kieran Low, Dan Leo

Replacements: Mike Mayhew, Halani Aulika, Richard Palframan, David Lyons, Ollie Curry; Tomás O'Leary, Theo Brophy-Clewes, Eamonn Sheridan

Wasps v Cardiff Blues, Sunday 1400, Ricoh Arena

Wasps: Alex Lozowski; Will Helu, Andrea Masi, Sailosi Tagicakibau, Josh Bassett; Glyn Hughes, Charlie Davies; John Yapp, Tom Lindsay, Phil Swainston; Will Rowlands, James Cannon; Ed Jackson (capt), Thomas Young, Guy Thompson

Replacements: Edd Shervington, Alex Lundberg, Will Taylor, Buster Lawrence, Oskar Hirskyj-Douglas; James Small-Edwards, Tom Howe, Piers O'Conor

Cardiff Blues: Joaquin Tuculet; Richard Smith, Garyn Smith, Adam Thomas, Lucas Amorosino; Rhys Patchell, Lewis Jones; Thomas Davies, Rhys Williams, Craig Mitchell; Miles Normandale, Seb Davies; Macauley Cook, Ellis Jenkins (capt), James Sheekey.

Replacements: Liam Belcher, Brad Thyer, Dillon Lewis, Ben Roach, Jordan Viggers; Tomos Williams, Simon Humberstone, Geraint Walsh

Dragons v Exeter Chiefs, Saunday 1430, Rodney Parade

Dragons: Geraint Rhys Jones; Tom Prydie, Carl Meyer, Ashley Smith (capt), Ashton Hewitt; Dorian Jones, Richie Rees; Lloyd Fairbrother, Hugh Gustafson, Dan Way; Matthew Screech, Cory Hill; Nick Crosswell, James Benjamin, Andy Powell.

Replacements: Rhys Buckley, Owen Evans, David Young, Joe Davies, Scott Matthews; Luc Jones, Angus O'Brien, Jack Dixon.

Exeter Chiefs: Byron McGuigan; Fetu'u Vainikolo, Ian Whitten, Adam Hughes, Tom James; Ceri Sweeney (capt), Haydn Thomas; Brett Sturgess, Elvis Taione, Tomas Francis; Jerry Sexton, Will Carrick-Smith; Tom Johnson, Sam Simmonds, Sam Skinner

Replacements: Greg Bateman, Jake Woolmore, Jack Stanley, Ed Holmes, Joel Conlon; Stuart Townsend, Laurence May, Max Bodill

London Welsh v Saracens, Sunday 1430, Kassam Stadium

London Welsh: Elliot Kear; Alan Awcock, Tom May (Capt), Olly Barkley, Nick Scott; Tristan Roberts, Rob Lewis; Nathan Trevett, Koree Britton, Taione Vea; Ben West, James Down; Ben Pienaar, Carl Kirwan, Opeti Fonua.

Replacements: Nathan Morris, Eddie Aholelei, Ben Cooper, Dean Schofield, Richard Thorpe; Alex Davies, Will Robinson, James Lewis.

Saracens: Catalin Fercu, Mike Ellery, Max Wilkins, Threttom Palamo, George Perkins; Nils Mordt (capt), Ben Spencer; Jack Culverhouse, Jared Saunders, Biyi Alo; Kennett O'Neil, Jack Tredrea, Hayden Thompson-Stringer, Matt Hankin, Nick de Jager.

Replacements: Josh Taylor, Ralph Adams-Hale, Ben Featherstone, Hamish Hamilton, James Stockdale; Tom Whiteley, Henry Staff, Max Malins.

Newcastle Falcons v Sale Sharks, Sunday 1500, Kingston Park

Newcastle: Alex Tait; Lee Smith, Jamie Helleur, Anitelea Tuilagi, Danny Barnes; Rory Clegg, Ruki Tipuna; Eric Fry, Rob Hawkins, Alex Rogers; Josh Furno, Scott MacLeod; Richard Mayhew, Andy Saull (c), Uili Kolo'ofai.

Replacements: Scott Lawson, Rob Vickers, Mark Irving, Sean Robinson, Ali Hogg, Mike Blair, Phil Godman, Simon Hammersley

Sale: Luke McLean; Tom Brady, Andy Forsyth, Sam Bedlow, Phil Mackenzie; Joe Ford, Nathan Fowles; Alberto de Marchi, Tommy Taylor, Ciaran Parker; Andrei Ostrikov, George Nott; Mark Easter, TJ Ioane, Viliami Fihaki

Replacements: Shalva Mamukashvili, Maxim Cobilas, James Flynn, Nathan Hines, Andy Hughes; Will Cliff, Nick Macleod, Sam James