CARDIFF, WALES - APRIL 02: Todays referee, Matthew Carley shows the yellow card to Stade Francais Paris' Josaia Raisuqe during the European Rugby Challenge Cup Quarter Final match between Ospreys and Stade Francais Paris at the principality Stadium on April 2, 2017 in Cardiff, United Kingdom. (Photo by Simon King - CameraSport via Getty Images)
