Stuart Hogg (Sco), Leigh Halfpenny (Wal), Liam Williams (Wal), George North (Wal), Anthony Watson (Eng), Chris Ashton (Eng). Reserve: Tommy Seymour (Sco).
Outside Centre
Jonathan Joseph (Eng), Garry Ringrose (Ire), Elliot Daly (Eng).
nside Centre
Robbie Henshaw (Ire), Jonathan Davies (Wal). Reserve: Alex Dunbar (Sco).
Fly-Half
Johnny Sexton (Ire), Owen Farrell (Eng), George Ford (Eng). Reserve: Dan Biggar (Wal).
Scrum-Half
Conor Murray (Ire), Rhys Webb (Wal), Ben Youngs (Eng). Reserve: Greig Laidlaw (Sco).
Loosehead Prop
Jack McGrath (Ire), Joe Marler (Eng), Mako Vunipola (Eng). Reserve: Cian Healy (Ire)
Hooker
Rory Best (Ire), Dylan Hartley (Eng), Ken Owens (Wal). Reserve: Jamie George (Eng).
Tighthead Prop
Tadhg Furlong (Ire), Dan Cole (Eng), Tomas Francis (Wal). Reserve: Zander Fagerson (Sco).
Lock
Alun Wyn Jones (Wal), George Kruis (Eng), Maro Itoje (Eng), Iain Henderson (Ire), Joe Launchbury (Eng). Reserve: Devin Toner (Ire).
Flanker
Sam Warburton (Wal), Justin Tipuric (Wal), CJ Stander (Ire), Sean O’Brien (Ire), Peter O’Mahony (Ire), Ross Moriarty (Wal). Reserve: John Barclay (Sco).
No 8
Billy Vunipola (Eng), Toby Faletau (Wal). Reserve: Jamie Heaslip (Ire).