The trio missed Saturday's 4-0 thrashing of Wolves through injury but could return at the Estadio do Dragao. Ricardo Carvalho is set to feature against his former side after being rested at the weekend.
Frank Lampard and Jose Bosingwa remain sidelined but Gael Kakuta, who made a sparkling cameo appearance against Wolves, is in the 20-man party.
Back: Didier Drogba
On the mend: Deco
Return: Michael Ballack
Chelsea (from): Cech, Hilario, Turnbull, Ivanovic, A. Cole, Zhirkov, Carvalho, Terry, Alex, Essien, Belletti, Mikel, Ballack, Malouda, Kakuta, Deco, J. Cole, Kalou, Anelka, Drogba.
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