By ROB COLE

THEChiefs hammered out a five-try warning to their Premiership rivals that they will be just as difficult to beat this season after dominating the Challenge Cup holders.
Blues started brightly, but were put to the sword in the end as they fell foul of the referee, never came to terms with the power of the home scrum and were dominated at the breakdown by Sam Simmonds and Matt Kvesic.
New Blues head coach John Mulvihill continued his process of running the rule over his charges and made 14 changes from the side that went down to a 17-15 defeat to Leicester last week.
Former Osp...