Saracens boss Brendan Venter believes officials risk jeopardising the future of the game if they fail to ensure a consistent approach from referees in this season's Heineken Cup. Speaking at the launch of the latest battle for the European club crown, the outspoken South African praised the new international directives on refereeing that have allowed the game flourish. But Venter issued a warning that the presence of officials from all over the continent threatened to undo much of the good work done in recent months with referees from different countries applying the laws in their own way. European Rugby Cup Ltd, the organisers of the Heineken Cup and its sister competition the Amlin Challenge Cup, say they have listened to the clubs over recent years and appointed a former international official, Ireland's Donal Courtney, to oversee the consistency of referees and their performances. Read more: http://www.espnscrum.com/europeancup-2010-11/rugby/story/123948.html