Chelsea's win went a long way in validating their decision to sign Gonzalo Higuain. He is the true No. 9 the club have needed to score and create goals.
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Willian is one of Chelsea's most divisive players. Yet he started his 11th consecutive match - the most of any outfield player - against Crystal Palace.
Chelsea's 4-0 drubbing of Burnley was significant in many ways, as it addressed some of the questions that have arisen under Maurizio Sarri.
Chelsea have a striker who is doing everything but scoring, and another who is not even doing that. Eden Hazard and the rest cannot cover for them forever.
Maurizio Sarri has changed Chelsea's style of play and Eden Hazard has benefited the most. Some key statistics make the changes in his game quite evident.