Hilario, who has been first choice during their FA Cup run, is struggling with a groin strain. Petr Cech is on standby.
Right-back Branislav Ivanovic will have a late fitness test on his injured knee.
Michael Essien (knee), Ashley Cole (ankle), Ricardo Carvalho (ankle) and Jose Bosingwa (knee) are all sidelined.
Blues (from): Cech, Hilario, Turnbull, Kalou, Alex, Drogba, Malouda, Terry, Borini, Lampard, Mikel, Deco, Anelka, Zhirkov, J Cole, Belletti, Ballack, Kakuta, Sturridge, Ferreira, Bruma, Ivanovic.