Take a look at who's playing this weekend before you make your SuperBru and Fantasy League picks.
WALES vs IRELAND
Wales – 15 Leigh Halfpenny, 14 George North, 13 Jonathan Davies, 12 Jamie Roberts, 11 Liam Williams, 10 Dan Biggar, 9 Rhys Webb, 8 Toby Faletau, 7 Sam Warburton (c), 6 Dan Lydiate, 5 Alun-Wyn Jones, 4 Luke Charteris, 3 Samson Lee, 2 Scott Baldwin, 1 Gethin Jenkins.
Subs: 16 Richard Hibbard, 17 Rob Evans, 18 Aaron Jarvis, 19 Jake Ball, 20 Justin Tipuric, 21 Mike Phillips, 22 Rhys Priestland, 23 Scott Williams.
Ireland – 15 Rob Kearney, 14 Tommy Bowe, 13 Jared Payne, 12 Robbie Henshaw, 11 Simon Zebo, 10 Jonathan Sexton, 9 Conor Murray, 8 Jamie Heaslip, 7 Sean O'Brien, 6 Peter O'Mahony, 5 Paul O'Connell (c), 4 Devin Toner, 3 Mike Ross, 2 Rory Best, 1 Jack McGrath.
Subs: 16 Sean Cronin, 17 Cian Healy, 18 Martin Moore, 19 Iain Henderson, 20 Jordi Murphy 21 Eoin Reddan, 22 Ian Madigan, 23 Felix Jones.
ENGLAND vs SCOTLAND
England – 15 Mike Brown, 14 Anthony Watson, 13 Jonathan Joseph, 12 Luther Burrell, 11 Jack Nowell, 10 George Ford, 9 Ben Youngs, 8 Billy Vunipola, 7 Chris Robshaw (c), 6 James Haskell, 5 Courtney Lawes, 4 Dave Attwood, 3 Dan Cole, 2 Dylan Hartley, 1 Joe Marler.
Subs: 16 Tom Youngs, 17 Mako Vunipola, 18 Kieran Brookes, 19 Geoff Parling, 20 Tom Wood, 21 Richard Wigglesworth, 22 Danny Cipriani, 23 Billy Twelvetrees.
Scotland – 15 Stuart Hogg, 14 Dougie Fife, 13 Mark Bennett, 12 Matt Scott, 11 Tommy Seymour, 10 Finn Russell, 9 Greig Laidlaw (c), 8 David Denton, 7 Blair Cowan, 6 Robert Harley, 5 Jonny Gray, 4 Jim Hamilton, 3 Euan Murray, 2 Ross Ford, 1 Alasdair Dickinson.
Subs: 16 Fraser Brown, 17 Ryan Grant, 18 Geoff Cross, 19 Tim Swinson, 20 Johnnie Beattie, 21 Adam Ashe, 22 Sam Hidalgo-Clyne, 23 Greig Tonks.
ITALY vs FRANCE
Italy – 15 Luke McLean, 14 Leonardo Sarto, 13 Luca Morisi, 12 Andrea Masi, 11 Giovambattista Venditti, 10 Kelly Haimona, 9 Edoardo Gori, 8 Sergio Parisse, 7 Samuela Vunisa, 6 Francesco Minto, 5 Joshua Furno, 4 George Fabio Biagi, 3 Dario Chistolini, 2 Leonardo Ghiraldini, 1 Matías Agüero.
Subs: 16 Andrea Manici, 17 Alberto De Marchi, 18 Lorenzo Cittadini, 19 Marco Barbini, 20 Guglielmo Palazzini, 22 Tommaso Allan, 23 Enrico Bacchin.
France – 15 Scott Spedding, 14 Yoann Huget, 13 Gaël Fickou, 12 Maxime Mermoz, 11 Noa Nakaitaci, 10 Camille Lopez, 9 Sébastian Tillous-Borde, 8 Loann Goujon, 7 Bernard le Roux, 6 Thierry Dusautoir (c), 5 Yoann Maestri, 4 Alexandre Flanquart, 3 Nicolas Mas, 2 Guilhem Guirado, 1 Eddy Ben Arous.
Subs: 16 Benjamin Kayser, 17 Rabah Slimani, 18 Vincent Debaty, 19 Romain Taofifenua, 20 Damien Chouly, 21 Rory Kockott, 22 Jules Plisson, 23 Mathieu Bastareaud.
Photo: Michael Steele/Getty Images