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GLOUCESTER, ENGLAND - NOVEMBER 14: Gloucester fly half Billy Burns makes a break to set up the first Gloucester try during the European Rugby Challenge Cup match between Gloucester and Zebra at Kingsholm Stadium on November 14, 2015 in Gloucester, England. (Photo by Stu Forster/Getty Images)

GLOUCESTER, ENGLAND - NOVEMBER 14:  Gloucester fly half Billy Burns makes a break to set up the first Gloucester try during the European Rugby Challenge Cup match between Gloucester and Zebra at Kingsholm Stadium on November 14, 2015 in Gloucester, England.  (Photo by Stu Forster/Getty Images)