The final line-up will be announced on Thursday.
FORWARDS (13)
Dan Cole (Leicester Tigers)
Dylan Hartley (Northampton Saints)
James Haskell (London Wasps)
Joe Launchbury (London Wasps)
Courtney Lawes (Northampton Saints)
Joe Marler (Harlequins)
Ben Morgan (Gloucester Rugby)
Geoff Parling (Leicester Tigers)
Chris Robshaw (Harlequins)
Mako Vunipola (Saracens)
David Wilson (Bath Rugby)
Tom Wood (Northampton Saints)
Tom Youngs (Leicester Tigers)
BACKS (10)
Chris Ashton (Saracens)
Brad Barritt (Saracens)
Mike Brown (Harlequins)
Danny Care (Harlequins)
Owen Farrell (Saracens)
Toby Flood (Leicester Tigers)
Alex Goode (Saracens)
David Strettle (Saracens)
Billy Twelvetrees (Gloucester Rugby)
Ben Youngs (Leicester Tigers)
Manusamoa Tuilagi (Leicester Tigers) will remain with the squad for treatment on his ankle.
The following players have been released back to their Aviva Premiership clubs:
Mouritz Botha (Saracens)
Lee Dickson (Northampton Saints)
Ben Foden (Northampton Saints)
Jonathan Joseph (London Irish)
Matt Kvesic (Worcester Warriors)
Ugo Monye (Harlequins)
Henry Thomas (Sale Sharks)
Billy Vunipola (London Wasps)
Thomas Waldrom (Leicester Tigers)
