Holders Saracens begin their defence with heavy defeat to Racing

• Racing 30-10 Saracens
• Finn Russell orchestrates Champions Cup demolition in ParisThe defence of the Champions Cup may not be Saracens’ priority because they have 35 docked Premiership points to make up, but this was a chastening bonus-point defeat, against a Racing side inspired by Finn Russell, that the holders would have struggled to contain even at full strength.They will not be spooked into rushing all their England World Cup finalists back against Ospreys at Allianz Park