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WELLINGTON, NEW ZEALAND - AUGUST 27: Adam Ashley-Cooper of Australia is taken off field with a concussion during the Bledisloe Cup Rugby Championship match between the New Zealand All Blacks and the Australia Wallabies at Westpac Stadium on August 27, 2016 in Wellington, New Zealand. (Photo by Anthony Au-Yeung/Getty Images)

WELLINGTON, NEW ZEALAND - AUGUST 27: Adam Ashley-Cooper of Australia is taken off field with a concussion during the Bledisloe Cup Rugby Championship match between the New Zealand All Blacks and the Australia Wallabies at Westpac Stadium on August 27, 2016 in Wellington, New Zealand.  (Photo by Anthony Au-Yeung/Getty Images)