Having played much of last season at centre-half, Branislav Ivanovic is more than happy to operate at full-back for new manager Jose Mourinho.
Ivanovic - who scored the winning goal in last season's Europa League final - is known for his versatility, having occupied the right-back berth earlier in his Stamford Bridge career.
With John Terry plagued by injury last season, and the form of David Luiz patchy, Ivanovic became a mainstay in the heart of the Blues' backline, however, the Serb is more than comfortable switching roles for the good of his team.
"All my career I've moved inside and out," said Ivanovic to SkySports.
"I'm really happy because it's good for me that I can play both positions. I always try to do my best wherever I play.
"In the end I'm happy because I like to defend, and I'm really enjoying defending in this team."
And while Ivanovic may have proved his worth at both centre-back and right-back, the man signed from Lokomotiv Moscow is determined to learn from Ashley Cole - the full-back he considers the best in the world.
"For me Ashley (Cole) is the best left-back in the world in the last 10 years. It's a real pleasure to work with him.
"For me he always helps as a good reference. When you have him opposite you on the pitch you have to work hard to synchronise with him and we try to do that."
Though the 29-year-old does admit it is sometimes difficult to learn from the England centurion.
"Sometimes it's difficult to learn from him because he's doing everything naturally. There are not a lot of things you can do and be like him."
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