Richard Barrington of Saracens leaves the field after he is sent off by referee Ian Tempest after a dangerous tackle on Geoff Parling of Exeter Chiefs (being treated in background left) who is taken off on a stretcher with a head / neck injury Saracens v Exeter, Aviva Premiership Rugby Union, Allianz Park, Hendon, London - UK - 07 Jan 2017 Credit: Andrew Fosker / Seconds Left Images