Ahead of Saturday’s Old Mutual Wealth Series opener, 34 players have assembled at Pennyhill Park to train for the game against South Africa at Twickenham.
Head coach Eddie Jones will name his side to face to the Springboks on Thursday.
England, who have not beaten South Africa since 2006, include several uncapped players in their squad.
34 player who have assembled at Pennyhill Park:
Dave Attwood (Bath Rugby), Josh Beaumont (Sale Sharks), Dan Cole (Leicester Tigers), Charlie Ewels (Bath Rugby), Ellis Genge (Leicester Tigers), Jamie George (Saracens), Teimana Harrison (Northampton Saints), Dylan Hartley (Northampton Saints), Nathan Hughes (Wasps), Joe Launchbury (Wasps), Courtney Lawes (Northampton Saints), Joe Marler (Harlequins), Ben Morgan (Gloucester Rugby), Chris Robshaw (Harlequins), Kyle Sinckler (Harlequins), Tommy Taylor (Wasps), Billy Vunipola (Saracens), Mako Vunipola (Saracens), Tom Wood (Northampton Saints).
Mike Brown (Harlequins), Danny Care (Harlequins), Elliot Daly (Wasps), Owen Farrell (Saracens), George Ford (Bath Rugby), Alex Goode (Saracens), Mike Haley (Sale Sharks), Jonathan Joseph (Bath Rugby), Alex Lozowski (Saracens), Jonny May (Gloucester Rugby), Semesa Rokoduguni (Bath Rugby), Henry Slade (Exeter Chiefs), Ben Te’o (Worcester Warriors), Marland Yarde (Harlequins), Ben Youngs (Leicester Tigers).