Duff is being rested in an attempt to overcome a niggling calf injury while Etuhu will be out for between two to three weeks with an ankle problem.
Struggling: Damien Duff has been carrying a slight injury
Mousa Dembele is available after recovering from his ankle injury but Andy Johnson (knee) is still one week away from a first team return.
Team (from): Schwarzer, Etheridge, Kelly, Pantsil, Salcido, Baird, Hangeland, Hughes, Halliche, Gera, Murphy, Riise, Dempsey, E Johnson, Greening, Davies, Dikgacoi, Kamara, Dembele.
CLICK HERE FOR THE WEEKEND TEAM NEWS IN THE BARCLAYS PREMIER LEAGUE Explore more:People: Mark Hughes, Damien Duff