The 55-year-old has been allowed to leave the London Stadium despite guiding the Hammers to Premier League safety, having succeeded the sacked Slaven Bilic in November with the east Londoners in the relegation zone.
If the bookmakers are to be believed, we are likely to be seeing Manuel Pellegrini in the Premier League again next season, this time as West Ham manager.
West Ham's form improved with Moyes' arrival. Because, apparently, despite getting their respective teams to 8th and 13th in the league, neither Everton or West Ham saw the two of them as the long-term prospects. Moyes' reputation has been rebuilt somewhat after his debacle at Manchester United and Sunderland, so he may well be happy to move on.
"When David and his team arrived, it was the wish of both parties that the focus be only on the six months until the end of the season, at which point a decision would be made with regards to the future", Sullivan said.
The club said they would seek to recruit a "high-calibre" manager within the next 10 days.More news: PM Abadi calls for Iraq election recount, citing problems in Kirkuk
David Moyes has departed as West Ham manager with immediate effect following the expiration of his short-term contract.
Everton's Professor Denise Barrett-Baxendale said in a statement: "On behalf of the Chairman, Board of Directors and Mr Moshiri, I'd like to thank Sam for the job he has done at Everton over the last seven months".
Betfair have installed the veteran Chilean as 8/11 favourite to be the next West Ham manager.
The latter left Watford in January after he was initially linked with taking charge of Everton before Big Sam did, but the Hornets blocked the move and then Silva's side slumped drastically as he was sacked.
The Austria global joined the Potters from Tottenham in the summer of 2017, for a fee believed to be worth in the region of £18 million, but he has failed to establish himself at the BET 365 Stadium, making just 14 Premier League starts.