Ivanovic: Chelsea always prove class in Europe
Champions League winners in 2012, Chelsea won the Europa League last season.
Ivanovic said: "Our quality is shown by the fact we're always on top come the end of a season.
"We did it in the Champions League two years ago and again in the Europa League. The ambitions at Chelsea are always the same - to win trophies.
"This year is a new beginning with a new manager. We have a big enough squad to cope. There are guys just waiting for a chance to play."
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