Striker Demba Ba has recovered from the ankle injury he sustained against Sunderland last weekend and is available to face Manchester City in the FA Cup semi-final on Sunday at Wembley.
Ashley Cole (hamstring) and his fellow England defender Gary Cahill (knee) remain out alongside long-term absentee Oriol Romeu (knee).
Ryan Bertrand, who missed the Europa League quarter-final second leg against Rubin Kazan because of illness, was back in training today and is available.
Provisional squad: Cech, Azpilicueta, Ivanovic, Luiz, Bertrand, Ramires, Mikel John Obi, Oscar, Mata, Hazard, Ba, Ake, Turnbull, Lampard, Torres, Ferreira, Marin, Terry, Benayoun