number 10 for chelsea is Juan Mata
Joe Cole wears the number 10 shirt. Dan Marsh.
Ashley Cole currently wears the number 3 shirt at Chelsea. As of July 20, 2010.
Ramires wears the no7 shirt for Chelsea
Eidur Gudjohnsen is number 22 for Chelsea FC
Franco Di Santo has the number 9 shirt, but he is out on loan at Blackburn.