Marcelo Bosch says miserly defence electrifies Saracens juggernaut

Mark McCall’s side are the dominant force in European rugby and travel to the Scarlets in search of a record 14th successive Champions Cup winSaracens used to be a byword for inconsistency but this decade they have established themselves as the hardest team to beat in Europe.Victory over the Scarlets in Llanelli on Sunday would make it a record 14 successive victories in the Champions Cup, a tournament they had only a passing interest in until 2010. But the visitors are in no doubt that the tie will be demanding, with Saracens’ director of rugby, Mark McCall, billing the match as the most impo…