New signings Michy Batshuayi and N'Golo Kante are poised to make their Chelsea debuts on Monday night.
Kurt Zouma remains sidelined with a long-term knee injury.
West Ham manager Slaven Bilic has said Euro 2016 finalist Dimitri Payet will not be fit to play the whole game after making a delayed start to pre-season.
Aaron Cresswell and Manuel Lanzini are out with knee injuries but Andre Ayew and Sofiane Feghouli could be involved.
MOTD COMMENTATOR'S NOTES
Jonathan Pearce: "Many people are tipping Chelsea to challenge for the title under new boss Antonio Conte.