GLASGOW, SCOTLAND - NOVEMBER 21: Glasgow's Jonny Gray unloads as he tackled by Northampton's Luther Burrell at Scotstoun Stadium on November 21, 2015 in Glasgow, Scotland. (Photo by Christian Cooksey/Getty Images)
GLASGOW, SCOTLAND - NOVEMBER 21: Glasgow's Jonny Gray unloads as he tackled by Northampton's Luther Burrell at Scotstoun Stadium on November 21, 2015 in Glasgow, Scotland. (Photo by Christian Cooksey/Getty Images)