Chelsea's great secret.

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[You must be registered and logged in to see this link.] midfielder [You must be registered and logged in to see this link.] believes that the strong collective loyalty and work ethic at Stamford Bridge is the reason that the Blues now top the [You must be registered and logged in to see this link.] table.

Carlo Ancelotti's men looked typically ruthless and efficient in beating Arsenal 2-0 at the Emirates on Sunday, and Ballack is feeling confident ahead of Wednesday's testing trip to Everton.

"We are a good team and it's great to play in a team like this," the German told the Blues' official website.
"Everyone fights for everyone, there is some good experience and we have played together for a few years.
"We play for Chelsea, that's our job, and that's why we have to win games and that's what we have to do now.
"The team are confident, settled and it's important to win, even in difficult situations."
And Ballack feels that ruthlessness rather than an appealing style is what matters now as we head towards the business end of the season.
"We knew the way they [Arsenal] would play. It's always a little bit of the same style and if you know the tactics, you can beat them," he added.
"Football is not about possession or playing a nice passing game. Football is about winning games.
"We had to win and that's why we showed we deserved to stay in first position at this moment."
Meanwhile, Ballack also feels that striker Didier Drogba is currently showing why he is a unique talent in world football at the moment."He is a very individual type of player. He is different from [Wayne] Rooney or [Andrey] Arshavin," the German explained.
"He is unbelievable, with physical strength and technical ability. He's a striker but also a freekick taker. In fact, he is a striker with a lot of other qualities. Not many players have this.
"You see in the big games like Arsenal, he was there. That is why he is a big player."