The membership have additionally parted firm with Lopetegui’s backroom workers, together with his assistant Pablo Sanz, head of efficiency Oscar Caro, head analyst Juan Vicente Peinado, health coach Borja De Alba and technical coach Edu Rubio.
“The board wish to thank Julen and his workers for his or her laborious work throughout their time with the Hammers and need them each success for the long run,” the membership’s assertion added.
“The method of appointing a substitute is beneath means.”
Former AC Milan boss Paulo Fonseca and ex-Paris St-Germain supervisor Christophe Galtier, presently in command of Saudi Professional-League membership Al Duhail, have additionally been spoken to by West Ham.
Nonetheless the idea from each camps is that Potter will get the job.
West Ham’s subsequent sport is an FA Cup third-round tie at Aston Villa on Friday.
The Hammers’ 5-2 thrashing by Arsenal on 30 November and defeat by fellow strugglers Leicester Metropolis three days later put Lopetegui beneath stress.
They went unbeaten of their subsequent 4 video games, together with wins over Wolves and Southampton, earlier than a 5-0 house defeat by league leaders Liverpool and Saturday’s loss at Manchester Metropolis.
It emerged earlier this week that the Hammers had been contemplating sacking Lopetegui and had held talks with Potter about changing him.
A information convention to preview Friday’s FA Cup tie towards Aston Villa was cancelled on Wednesday morning, earlier than Lopetegui’s dismissal was introduced.
West Ham reached the Europa League quarter-finals and completed ninth within the Premier League throughout Moyes’ last season on the membership.
That they had received the Europa Convention League – their first trophy in 23 years – the earlier season.
Former Spain and Actual Madrid boss Lopetegui spent within the area of £125m over the summer time to reinforce his squad, however had an underwhelming begin to the season.
In addition to detached league type, the Hammers had been overwhelmed 5-1 by Liverpool within the third spherical of the Carabao Cup.