Early in the season, fans seemed to doubt Jose Mourinho because of his choice to play Oscar over Juan Mata.
Along with some unfortunate results in which Chelsea lost points that seemed guaranteed, tensions were growing.
Just six weeks later, Chelsea are now on a nine game unbeaten run, and Jose Mourinho's system is turning Chelsea into a force to be reckoned with.
Against Arsenal, Mourinho made 10 changes to the team that beat Manchester City.
That sort of rotation is almost cause to write off the Chelsea side, but that would have been an unfortunate mistake to make.
Chelsea continued their new style of play with beautiful combinations and movement on the wings.
This new infusion of creative play is much different than the previous three managers who couldn't manage to get the Blues playing in a movement oriented offensive attack.
Previously, Chelsea have been much more stagnant, and slow in their buildup. This always proved to be a problem since they really struggled to find that final ball.
In the age of Barcelona, only Barcelona can play the tiki-taka style of play outside the box and consistently find success.
Chelsea and others had tried to emulate it, but never found the same level of consistency. The Blues have finally developed a more conventional style of play that allows them to use the numerous weapons they have on the wing.
With the pace of Eden Hazard, Willian, Andre Schurrle, and Kevin DeBruyne they now have a dangerous counterattack that is full of speed, skill, and finishing power.
It is clear that this style of play has lead to their recent success, and will continue to trouble back lines domestically, as well as through European play.
This style of play was also visible in the match today against Arsenal, who have been on a great run of their own.
Both sides had mixed up their lineups from the weekend, but the match still played well as DeBruyne, Mata, and Willian worked through ball through the midfield with ease.
This will continue to open up defences like it did today against Arsenal when it lead to a scramble that created the first goal for Chelsea after a costly communication error between Arsenal back line and goalkeeper.
If Chelsea can keep this style of play moving forward and developing, they will be a great force in European Football for years to come. They've got the young talent, the coach, and the financial backing so only time will tell if Chelsea will be the next great European force.
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