West Ham United will have to make late calls on goalkeeper Lukasz Fabianski and midfielder Lucas Paqueta, as well as winger Maxwel Cornet and defender Nayef Aguerd for Sunday's home clash against London rivals Crystal Palace.
Both Fabianski and Paqueta are doubts with knee and collarbone injuries respectively whilst Cornet hasn't featured for the Hammers since Saturday, October 1 with a calf issue and Aguerd is yet to be included in a Premier League match day squad.
A £30m summer arrival from Stade Rennais, the latter has had a torrid start to life in east London after requiring ankle surgery following an injury sustained in a pre-season friendly against Rangers.
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However, the 26-year-old has since played in the Hammers' last two Europa Conference League matches, completing the full 90 minutes in Thursday's 3-0 win at FCSB.
Whether or not it's still too early for David Moyes to risk the Moroccan centre-back in the league is yet to be seen, but the summer recruit is certainly getting closer to Premier League involvement.
Here is a look at who could feature for the Irons against Palace:
Full West Ham United squad to face Crystal Palace
Goalkeepers: Lukasz Fabianski (doubt), Alphonse Areola, Darren Randolph
Defenders: Vladimir Coufal, Ben Johnson, Kurt Zouma, Angelo Ogbonna, Craig Dawson, Thilo Kehrer, Nayef Aguerd (doubt), Aaron Cresswell, Emerson
Midfielders/wingers: Declan Rice, Tomas Soucek, Flynn Downes, Conor Coventry, Jarrod Bowen, Lucas Paqueta (doubt) Manuel Lanzini, Pablo Fornals, Said Benrahma, Maxwel Cornet (doubt)
Forwards: Gianluca Scamacca, Michail Antonio
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