There was nothing West Ham could do to stop Alexis Sanchez, who scored a second-half hat-trick, in a 5-1 home loss to Arsenal.
West Ham United defender Arthur Masuaku is prepared to step into the starting XI for Saturday's London derby with Arsenal.
West Ham face a problem at left-back after Aaron Cresswell limped off during the first-half of the EFL Cup quarter-final defeat to Manchester United.
West Ham will have to deal with more injury problems at the forward position with Diafra Sakho set to miss six weeks.
West Ham manager Slaven Bilic confirmed that forward Diafra Sakho will miss weeks, although the exact timeframe has yet to be determined.
West Ham United defender Angelo Ogbonna shined in Sunday's 1-1 draw at Manchester United.
Diafra Sakho looks certain to spend more time on the sidelines after the West Ham forward limped away from Old Trafford due to a hamstring problem.
West Ham earned a deserved 1-1 draw at Manchester United on Sunday.
West Ham fans still have some waiting to do before seeing the return of forward Andy Carroll this season.
Diafra Sakho saw the pitch for the first time this season in West Ham's 3-2 lose at Tottenham on Saturday.
Winston Reid will miss West Ham's trip to Manchester United next weekend after being sent off in the club's 3-2 defeat to Tottenham.
West Ham were left heartbroken after a dramatic 3-2 defeat by Tottenham in the North London derby.
West Ham United will welcome Diafra Sakho back for the first time this season following his recovery from injury.
West Ham United's Aaron Cresswell made his England debut in Wednesday's 2-2 friendly draw with Spain at Wembley.
Hull City has emerged as a shock contender to sign former Manchester United midfielder Ravel Morrison in January.