Rafael Benitez: Chelsea must be more clinical

goal :    Rafael Benitez has urged Chelsea to be more clinical after only scoring with only one of their 18 efforts on goal against Sparta Prague on Thursday.

Oscar rescued the Blues with a last-minute goal, but Benitez lamented his sides profligacy in front of goal for most of the tie.

He told reporters: “Eighteen attempts away is not bad, but we have to be more clinical in attack.