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NORTHAMPTON, ENGLAND OCTOBER 28: Northampton Saints' Michael Paterson wins a line-out ball during the Aviva Premiership match between Northampton Saints and Gloucester Rugby at Franklin's Gardens on October 28, 2016 in Northampton, England. (Photo by Stephen White - CameraSport via Getty Images)

NORTHAMPTON, ENGLAND OCTOBER 28: Northampton Saints' Michael Paterson wins a line-out ball during the Aviva Premiership match between Northampton Saints and Gloucester Rugby at Franklin's Gardens on October 28, 2016 in Northampton, England. (Photo by Stephen White - CameraSport via Getty Images)

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NORTHAMPTON, ENGLAND - OCTOBER 28: Charlie Sharples of Gloucester dives over for their second try despite being held by George North during the Aviva Premiership match between Northampton Saints and Gloucester Rugby at Franklin's Gardens on October 28, 2016 in Northampton, England. (Photo by David Rogers/Getty Images)

NORTHAMPTON, ENGLAND - OCTOBER 28:  Charlie Sharples of Gloucester dives over for their second try despite being held by George North during the Aviva Premiership match between Northampton Saints and Gloucester Rugby at Franklin's Gardens on October 28, 2016 in Northampton, England.  (Photo by David Rogers/Getty Images)

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NORTHAMPTON, ENGLAND - OCTOBER 28: Gloucester's John Afoa converts a penalty to put his sides only points on the scoreboard during the first half during the Aviva Premiership match between Northampton Saints and Gloucester Rugby at Franklin's Gardens on October 28, 2016 in Northampton, England. (Photo by Stephen White - CameraSport via Getty Images)

NORTHAMPTON, ENGLAND - OCTOBER 28:  Gloucester's John Afoa converts a penalty to put his sides only points on the scoreboard during the first half during the Aviva Premiership match between Northampton Saints and Gloucester Rugby at Franklin's Gardens on October 28, 2016 in Northampton, England. (Photo by Stephen White - CameraSport via Getty Images)

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NORTHAMPTON, ENGLAND - OCTOBER 28: Harry Mallinder of Northampton lies injured during the Aviva Premiership match between Northampton Saints and Gloucester Rugby at Franklin's Gardens on October 28, 2016 in Northampton, England. (Photo by David Rogers/Getty Images)

NORTHAMPTON, ENGLAND - OCTOBER 28: Harry Mallinder of Northampton lies injured during the Aviva Premiership match between Northampton Saints and Gloucester Rugby at Franklin's Gardens on October 28, 2016 in Northampton, England.  (Photo by David Rogers/Getty Images)

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NORTHAMPTON, ENGLAND - OCTOBER 28: Ross Moriarty of Gloucester passes the ball as Harry Mallinder challenges during the Aviva Premiership match between Northampton Saints and Gloucester Rugby at Franklin's Gardens on October 28, 2016 in Northampton, England. (Photo by David Rogers/Getty Images)

NORTHAMPTON, ENGLAND - OCTOBER 28:  Ross Moriarty of Gloucester passes the ball as Harry Mallinder challenges during the Aviva Premiership match between Northampton Saints and Gloucester Rugby at Franklin's Gardens on October 28, 2016 in Northampton, England.  (Photo by David Rogers/Getty Images)