New signing Carlos Salcido will not be considered due to visa delays and Damien Duff is a doubt because of a calf problem.
Boost: Zamora (right) has shaken off his injury
Keeper Mark Schwarzer will start after overcoming his back problem but back-up stopper David Stockdale will be out for up to a month with an ankle injury.
Philippe Senderos (Achilles), Andrew Johnson (knee) and Diomansy Kamara (foot) are long-term injury absentees.
Provisional squad: Schwarzer, Zuberbuhler, Kelly, Pantsil, Baird, Hangeland, Hughes, Halliche, Gera, Murphy, Duff, Riise, Etuhu, Dempsey, Greening, Davies, Dikgacoi, Zamora, Elm, Dembele, Briggs
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