Midfielder Michael Ballack is included in the Chelsea squad for tomorrow's Champions League first leg in Porto.
The Germany captain has not played since picking up a thigh injury in a friendly against Switzerland earlier this month.
Chelsea are still without Ashley Cole (knee), Joe Cole (foot) and Khalid Boulahrouz (shoulder) but have no other fresh injuries.
Provisional squad: Cech, Hilario, Cudicini, Ferreira, Geremi, Diarra, Carvalho, Terry, Bridge, Morais, Obi, Lampard, Makelele, Ballack, Essien, Shevchenko, Drogba, Robben, Kalou, Wright-Phillips.
