Postpublished at 16:27 Greenwich Mean Time 9 March 2014
Dan Biggar's on at 10 for Wales, as is Paul James at loose-head for Gethin Jenkins - he'll claim a major hand in that last scrum.
Summary
Result: England 29-18 Wales
Luther Burrell scores England's second try from Twelvetrees' kick through
Danny Care takes a quick tap penalty to score under the posts
Pens: Farrell (Eng) 5, Halfpenny (Wal) 6
England join Ireland and France on six points at the top of the table
England win Triple Crown for first time since 2003
Postpublished at 16:27 Greenwich Mean Time 9 March 2014
Postpublished at 16:26 Greenwich Mean Time 9 March 2014
England are really pinning Wales back now as the home pack begins to turn the screw but a threatening attack comes to a halt as winger Jack Nowell is scragged and the ball doesn't come out of the ruck. Scrum England, a score here and it's surely done and dusted.
England remove Joe Marler - surely a butcher in another life - and bring on Mako Vunipola, and Wales promptly make mincemeat of the home scrum to relieve the pressure.
Postpublished at 16:21 Greenwich Mean Time 9 March 2014
Matt Dawson
Former England scrum-half on 5 live Sport"Danny Care has found his form at the right time. He' s been managing the forwards and Owen Farrell in this second half. It's all about positional play, putting pressure on the scrums and encouraging his team."
Postpublished at 16:21 Greenwich Mean Time 9 March 2014
Former England captain Mike Tindall:, external The Welsh scrum was a massive strength last year. This year not so much, allowing England to pull away.
Get involvedpublished at 16:20 Greenwich Mean Time 9 March 2014
Mark:, external Wales scrum, three offences, yellow card. Hartley, three offences, not even a warning?
Neil Beaumont:, external Time to replace Dylan Hartley, otherwise he'll cost us the match...
Postpublished at 16:20 Greenwich Mean Time 9 March 2014
Martyn Williams
Former Wales captain on BBC One"It's a masterclass of goal-kicking. The pressure these players are under and not one kick has been missed yet."
PENALTY (Farrell)published at 16:18 Greenwich Mean Time 9 March 2014
"It went straight down the middle..."
All very tit for tat as Jonathan Davies is penalised for using his hands in the ruck and Owen Farrell shows anything Leigh Halfpenny can do, he can at least match.
Postpublished at 16:18 Greenwich Mean Time 9 March 2014
Robert Jones
Former Wales scrum-half on 5 live Sport"Dylan Hartley has given three or four penalties away in this game and they have all been silly, foolish. And each time England have been punished by Leigh Halfpenny."
PENALTY (Halfpenny)published at 16:16 Greenwich Mean Time 9 March 2014
Guess what? England concede a penalty IMMEDIATELY after scoring.
And guess what? It's Dylan Hartley, AGAIN.
And you'll definitely guess what happens next, a successful Leigh Halfpenny penalty has the inevitability of the passing of time.
PENALTY (Farrell)published at 16:13 Greenwich Mean Time 9 March 2014
With Gethin Jenkins sin-binned England go for goal and Owen Farrell extends the lead to 11 points.
SIN BIN (Jenkins)published at 16:13 Greenwich Mean Time 9 March 2014
Romain Poite's had enough. Gethin Jenkins has been scrummaging like a crab and when he again goes sideways rather than straight, the Wales loose-head is sent to the bin for 10 minutes.
Postpublished at 16:12 Greenwich Mean Time 9 March 2014
Image source, Getty ImagesFormer England scrum-half Austin Healey:, external Without Halfpenny, what have Wales got?
Postpublished at 16:12 Greenwich Mean Time 9 March 2014
Sir Clive's words are kind of answered as Rhys Webb limps off to be replaced by Mike Phillips.
Postpublished at 16:11 Greenwich Mean Time 9 March 2014
Sir Clive Woodward
Former England coach on BBC One"From a coaching point of view you have to make big calls. We talked about it at half-time and to take off Rhys Priestland and Rhys Webb off is a no brainer. The longer they leave it the harder it will be for the Welsh to get back in the game."
Postpublished at 16:11 Greenwich Mean Time 9 March 2014
Tom Fordyce
BBC chief sports writer at Twickenham"Half an hour for Wales to hang onto their championship. Only Halfpenny's sweet boot is keeping them in touch, but with the fierce sunshine leading to tired limbs and pumping hearts, gaps will surely open in these deciding minutes. Can England stamp out the indiscipline that has dogged them in the first 50 minutes and set up their own title tilt next weekend?"
Postpublished at 16:11 Greenwich Mean Time 9 March 2014
Matt Dawson
Former England scrum-half on 5 live Sport
Image source, Getty Images"Look at George North on the far aside of the field. He turned to Jamie Roberts and gave him both barrels. What was Roberts doing? Just pass the ball!"
Postpublished at 16:11 Greenwich Mean Time 9 March 2014
Great attack from Wales, dire ending. The rampaging Alex Cuthbert and Taulupe Faletau make big yards down the middle but when Wales fizz the ball wide, Jamie Roberts tries to slide a grubber kick through but his kick's got all the class of a Morris Marina and England easily win the race to touch down.
Get involvedpublished at 16:07 Greenwich Mean Time 9 March 2014
Joe Formby:, external In my opinion, England full-back Mike Brown has been the player of Six Nations this year - he's so good!
Kate Shaw:, external Come on England. Next scrum infringement by Wales has got to be sin binned!
Postpublished at 16:06 Greenwich Mean Time 9 March 2014
None of the pyrotechnics of the first half yet, the only highlights so far from the second 40 are those in Wales hooker Richard Hibbard's hair.
Courtney Lawes produces a brutal tackle that sounds horrifying on the ref's mike. Scrum to England.
Postpublished at 16:03 Greenwich Mean Time 9 March 2014
Robert Jones
Former Wales scrum-half on 5 live Sport"Maybe Dan Biggar should come on in the next few minutes for Rhys Priestland. That drop was poor, under no real pressure. In contrast, Mike Brown is looking so sharp for England. Whenever he gets the ball he beats players and makes ground."