see more

CARDIFF, WALES - NOVEMBER 24: Wales player Taulupe Faletau in action during Wales training ahead of their match against South Africa at the Vale on November 24, 2016 in Cardiff, Wales. (Photo by Stu Forster/Getty Images)

CARDIFF, WALES - NOVEMBER 24:  Wales player Taulupe Faletau in action during Wales training ahead of their match against South Africa at the Vale  on November 24, 2016 in Cardiff, Wales.  (Photo by Stu Forster/Getty Images)

see more

LONDON, ENGLAND - DECEMBER 03: Chris Robshaw of England looks on during the Old Mutual Wealth Series match between England and Australia at Twickenham Stadium on December 3, 2016 in London, England. (Photo by David Rogers - RFU/The RFU Collection via Getty Imagesges)

LONDON, ENGLAND - DECEMBER 03:  Chris Robshaw of England looks on during the Old Mutual Wealth Series match between England and Australia at Twickenham Stadium on December 3, 2016 in London, England.  (Photo by David Rogers - RFU/The RFU Collection via Getty Imagesges)

see more

CARDIFF, WALES - NOVEMBER 19: Sam Warburton of Wales is held up by Timothy Lafaele of Japan during the International match between Wales and Japan at the Principality Stadium on November 19, 2016 in Cardiff, Wales. (Photo by Michael Steele/Getty Images)

CARDIFF, WALES - NOVEMBER 19: Sam Warburton of Wales is held up by Timothy Lafaele of Japan during the International match between Wales and Japan at the Principality Stadium on November 19, 2016 in Cardiff, Wales.  (Photo by Michael Steele/Getty Images)

see more

LONDON, ENGLAND - NOVEMBER 26: Billy Vunipola of England runs with the ball during the Old Mutual Wealth Series match between England and Argentina at Twickenham Stadium on November 26, 2016 in London, England. (Photo by Julian Finney/Getty Images)

LONDON, ENGLAND - NOVEMBER 26:  Billy Vunipola of England runs with the ball during the Old Mutual Wealth Series match between England and Argentina at Twickenham Stadium on November 26, 2016 in London, England.  (Photo by Julian Finney/Getty Images)

see more

EDINBURGH, SCOTLAND - NOVEMBER 19: John Barclay of Scotland arrives at the stadium during the Scotland v Argentina Autumn Test Match at Murrayfield Stadium November 19, 2016 in Edinburgh, Scotland. (Photo by Ian MacNicol/Getty Images)

EDINBURGH, SCOTLAND - NOVEMBER 19:  John Barclay of Scotland arrives at the stadium during the Scotland v Argentina Autumn Test Match at Murrayfield Stadium  November 19, 2016 in Edinburgh, Scotland. (Photo by Ian MacNicol/Getty Images)