Chelsea is included one of the big team in the Europe and the world of course. A few days ago, I had put it in one of the best teams you can use either for friendly game or manager mode. By the default setting, Fifa 11 has listed many great players into Chelsea club like Didier Drogba, Essien, Ivanovic, Peter Cech, and more. For more details, you can see the list below. By the way, Chelsea in Fifa 11 adopted 4-3-3 default formation. It's very strong in ball possession and also attacking strategy.
P. Van Aanholt
I think the main squad and substitutes inhabited by famous players, and most do not, you should get to know the names of players on the reserves team.