England won the Triple Crown and kept their Six Nations hopes alive with an enthralling 29-18 victory over Wales at Twickenham.
Sonny Bill Williams will sit out the next three matches of his second season back in Australian rugby league.
Wales will go into their Six Nations finale against Scotland next weekend without points machine Leigh Halfpenny.
Sports psychologist Enda McNulty can help Ireland believe the weight of history and shrug off "superstition" to claim the Six Nations title in Paris.
Brian O'Driscoll, widely regarded as Ireland's greatest ever player, became the game's most capped international in his final match.
Scotland lock Tim Swinson has pleaded his innocence after conceding the late penalty which handed France victory at Murrayfield.
Johnnie Beattie and Sean Lamont have both been ruled out of Scotland's final Six Nations clash against Wales.
Ireland must deliver the Six Nations title to pay due homage to Brian O'Driscoll's record-breaking career.
Exeter secured a place in the LV= Cup final at their own Sandy Park ground after beating Bath 22-19.
Wales full-back Leigh Halfpenny will miss the rest of this season after dislocating his right shoulder during the 29-18 Six Nations defeat against England.
Follow the latest score from this LV= Cup match at the Recreation Ground.
France beat Scotland in their Six Nations clash in Murrayfield with a last minute penalty from Jean-Marc Doussain nudging them to a 19-17 win.
The pressure on Canterbury Crusaders coach Todd Blackadder was lifted just a little with their first victory of the Super Rugby season.
Ireland can face down history and sweep to RBS 6 Nations title glory in Paris next weekend, according to Brian O'Driscoll.
The Sharks remained top of the South African conference with an impressive 37-23 Super 15 victory over the Lions at Kings Park on Saturday afternoon.
The Bulls snatched a late bonus point as they claimed a 38-22 Super Rugby win over the Blues in Pretoria.