The match officials for this weekend have been revealed, with John Lacey refereeing the match between the Barbarians and Argentina at Twickenham.
That will be a momentous occasion for Lacey as it will be the last time he takes charge of a match on the international stage. Elsewhere, the 2018/19 World Rugby Sevens Series gets underway in Dubai and there are also full rounds of matches in the Pemiership, PRO14 and Top 14.
International
Barbarians vs Argentina
@ Twickenham
Referee: John Lacey (Ireland)
Assistant referees: Andrew Brace (Ireland), Ben Whitehouse (Wales)
TMO: Andrew McMenemy (Scotland)
Dubai Sevens
Men: James Doleman (New Zealand), Paulo Duarte (Portugal), Richard Haughton (England), Richard Kelly (New Zealand), Damon Murphy (Australia), Rasta Rasivhenge (South Africa), Matt Rodden (Hong Kong), Jérémy Rozier (France)
Women: Sara Cox (England), Hollie Davidson (Scotland), Emily Hsieh (USA), Lauren Jenner (New Zealand), Ashleigh Murray (South Africa), Joy Neville (Ireland), Madeline Putz (Australia), Tevita Rokovereni (Fiji)
Premiership
Harlequins vs Exeter Chiefs
@ Twickenham Stoop
Referee: Ian Tempest
Assistant referees: Adam Leal, Wayne Falla
TMO: Keith Lewis
Gloucester vs Worcester Warriors
@ Kingsholm
Referee: Thomas Foley
Assistant referees: Tim Wigglesworth, Philip Watters
TMO: David Rose
Bristol Bears vs Leicester Tigers
@ Ashton Gate
Referee: Wayne Barnes
Assistant referees: Andrew Jackson, Paul Dix
TMO: Trevor Fisher
Northampton Saints vs Newcastle Falcons
@ Franklin’s Gardens
Referee: Matthew Carley
Assistant referees: Anthony Woodthorpe, Robert Warburton
TMO: David Grashoff
Saracens vs Wasps
Referee: John-Paul Doyle
Assistant referees: Hamish Smales, Michael Hudson
TMO: Stuart Terheege
Bath vs Sale Sharks
@ Recreation Ground
Referee: Luke Pearce
Assistant referees: Christophe Ridley, Jonathan Healy
TMO: Geoffrey Warren
PRO14
Munster vs Edinburgh
@ Irish Independent Park
Referee: Nigel Owens (Wales)
Assistant referees: Adam Jones (Wales), Stuart Gaffikin (Ireland)
TMO: Brian MacNeice (Ireland)
Ospreys vs Zebre
@ Liberty Stadium
Referee: Cwengile Jadezweni (South Africa)
Assistant referees: Quinton Immelman (South Africa), Elgan Williams (Wales)
TMO: Ian Davies (Wales)
Cheetahs vs Connacht
@ Toyota Stadium, Bloemfontein
Referee: Dan Jones (Wales)
Assistant referees: Craig Evans (Wales), Ben Crouse (South Africa)
TMO: Johan Greeff (South Africa)
Ulster vs Cardiff Blues
@ Kingspan Stadium
Referee: Stuart Berry (South Africa)
Assistant referees: Nigel Correll (Ireland), Paul Haycock (Ireland)
TMO: Leo Colgan (Ireland)
Dragons vs Leinster
@ Rodney Parade
Referee: Lloyd Linton (Scotland)
Assistant referees: Sam Grove-White (Scotland), Dewi Phillips (Wales)
TMO: Tim Hayes (Wales)
Southern Kings vs Benetton
@ Nelson Mandela Bay Stadium, Port Elizabeth
Referee: Sean Gallagher (Ireland)
Assistant referees: George Clancy (Ireland), Ruhan Meiring (South Africa)
TMO: Shaun Veldsman (South Africa)
Glasgow Warriors vs Scarlets
@ Scotstoun
Referee: Frank Murphy (Ireland)
Assistant referees: Kieran Barry (Ireland), Dunx McClement (Scotland)
TMO: Charles Samson (Scotland)
Top 14
Lyon vs Pau
@ Matmut Stadium Gerland
Referee: Cédric Marchat
Assistant referees: Sébastien Minery, Patrick Pechambert
TMO: Akim Hadj bachir
Montpellier vs Clermont
@ GGL Stadium
Referee: Romain Poite
Assistant referees: Thomas Charabas, Éric Soulan
TMO: Denis Grenouillet
Castres vs Agen
@ Stade Pierre Fabre
Referee: Jérôme Garcès
Assistant referees: Maxime Chalon, Frédéric Chazal
TMO: Éric Gauzins
Toulouse vs Stade Français
@ Stade Ernest Wallon
Referee: Cyrille Lafon
Assistant referees: Adrien Descottes, Jean-Claude Labarbe
TMO: Éric Briquet Campin
La Rochelle vs Racing 92
@ Stade Marcel Deflandre
Referee: Pierre Brousset
Assistant referees: Tual Trainini, Richard Duhau
TMO: Laurent Sclafer
Toulon vs Grenoble
@ Stade Mayol
Referee: Mathieu Raynal
Assistant referees: Ludovic Cayre, Jean-Luc Rebollal
TMO: Patrick Dellac
Perpignan vs Bordeaux-Bègles
@ Stade Aimé Giral
Referee: Alexandre Ruiz
Assistant referees: Laurent Cardona, B Gabaldon
TMO: Philippe Bonhoure