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DUNEDIN, NEW ZEALAND - APRIL 01: Ross Haylett-Petty of the Western Force is treated for a head cut during the round six Super Rugby match between the Highlanders and the Western Force at Forsyth Barr Stadium on April 1, 2016 in Dunedin, New Zealand. (Photo by Rob Jefferies/Getty Images)

DUNEDIN, NEW ZEALAND - APRIL 01: Ross Haylett-Petty of the Western Force is treated for a head cut during the round six Super Rugby match between the Highlanders and the Western Force at Forsyth Barr Stadium on April 1, 2016 in Dunedin, New Zealand.  (Photo by Rob Jefferies/Getty Images)