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LONDON, ENGLAND - NOVEMBER 26: Mike Brown 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 Mike Hewitt/Getty Images)

LONDON, ENGLAND - NOVEMBER 26:  Mike Brown 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 Mike Hewitt/Getty Images)

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LONDON, ENGLAND - SEPTEMBER 18: Mike Brown of England kicks the ball upfield during the 2015 Rugby World Cup Pool A match between England and Fiji at Twickenham Stadium on September 18, 2015 in London, United Kingdom. (Photo by Shaun Botterill/Getty Images)

LONDON, ENGLAND - SEPTEMBER 18:  Mike Brown of England kicks the ball upfield during the 2015 Rugby World Cup Pool A match between England and Fiji at Twickenham Stadium on September 18, 2015 in London, United Kingdom.  (Photo by Shaun Botterill/Getty Images)

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England's Mike Brown runs with the ball during the Six Nations international rugby union match between England and Scotland at Twickenham Stadium, south west of London on March 14, 2015. England won the game 25 - 13. AFP PHOTO / BEN STANSALL (Photo credit should read BEN STANSALL/AFP/Getty Images)

England's Mike Brown runs with the ball during the Six Nations international rugby union match between England and Scotland at Twickenham Stadium, south west of London on March 14, 2015. England won the game 25 - 13. AFP PHOTO / BEN STANSALL        (Photo credit should read BEN STANSALL/AFP/Getty Images)

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LONDON, ENGLAND - NOVEMBER 12: Mike Brown of England fails to ground the ball before his team's second try during the Old Mutual Wealth Series match between England and South Africa at Twickenham Stadium on November 12, 2016 in London, England. (Photo by Mike Hewitt/Getty Images)

LONDON, ENGLAND - NOVEMBER 12:  Mike Brown of England fails to ground the ball before his team's second try during the Old Mutual Wealth Series match between England and South Africa at Twickenham Stadium on November 12, 2016 in London, England.  (Photo by Mike Hewitt/Getty Images)

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LONDON, ENGLAND - NOVEMBER 26: Mike Brown of England charges upfield during the Old Mutual Wealth Series match between England and Argentina at Twickenham Stadium on November 26, 2016 in London, England. (Photo by Mike Hewitt/Getty Images)

LONDON, ENGLAND - NOVEMBER 26:  Mike Brown of England charges upfield during the Old Mutual Wealth Series match between England and Argentina at Twickenham Stadium on November 26, 2016 in London, England.  (Photo by Mike Hewitt/Getty Images)