I know Deco and Torres has played in Spain and Chelsea.
There are 11 players on the field, and there are 7 subs on the Chelsea side
Chelsea and cobham mostly
The players who left Chelsea are Andriy Shevchenko and Claude Makelele
Chelsea because they have fantastic players
I know of one myself. Juan Sebastian Veron
Chelsea have costly players Arsenal have young cheap developed players , who were discarded by the clubs, so Arsenal are better. Chelsea are old now all 33 years.
In 2014, names of the Chelsea football players are Diego Costa, Eden Hazard and Cesc Fabregas. Other players include Mohamed Salah and Ternando Torres.