Wales lock Luke Charteris is out of Sunday's Six Nations clash against England with a neck problem.
Edinburgh prop Alasdair Dickinson is out of Scotland clash with France due to a calf injury.
England have named Ben Morgan at No 8 for Sunday's pivotal RBS 6 Nations title showdown with Wales.
Chris Robshaw has demanded England issue a statement of intent against Wales and strike an early World Cup blow.
George Primarolo looks ahead to this weekend's crunch Six Nations matches and fancies England to get the better of Wales.
Team news for Saturday's RBS 6 Nations clash between Scotland and France at Murrayfield.
Team news for Saturday's RBS 6 Nations clash between Ireland and Italy in Dublin.
Team news for Saturday's LV= Cup semi-final between Northampton Saints and Saracens.
Team news for Sunday's LV= Cup semi-final between Bath and Exeter Chiefs.
Johnny Sexton has beaten his thumb ligament problem in time to face Italy in the RBS 6 Nations in Dublin on Saturday.