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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Chelsea have had problems with their transition to Sarriball. Some players may fit in for now, but Chelsea needs an upgrade on them as soon as possible.
Chelsea started the new year with a toothless performance in a scoreless draw against Southampton. Is this the Sarriball we were promised?
Maurizio Sarri has long known the problems with his Chelsea squad. The Blues are vulnerable because their opponents have found solutions before they have.
Maurizio Sarri once said he did not plan on using Eden Hazard as a false-nine. Now Hazard in the center of the forward line is Sarri's go-to selection.
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.