The 68-year-old Dutchman, who was parachuted in to mastermind a nine-game rescue mission at the end of the last campaign, has walked away with the club sitting in 19th place in the Barclays Premier League on three points after winning none of their opening eight fixtures following Saturday’s 2-2 draw with West Ham at the Stadium of Light.
Advocaat’s departure was confirmed in a club statement which said: “Sunderland AFC has announced that Dick Advocaat has left his position as head coach at the club.
“The Dutchman informed the chairman of his decision to step down from his role and departs the Stadium of Light with immediate effect.”
The agent of Hertha Berlin left-back Marvin Plattenhardt claims the reported Everton target is staying focused on the World Cup.
West Ham are continuing to hold talks with Swansea about a double deal to sign defender Alfie Mawson and goalkeeper Lukasz Fabianski.
Juventus are still hopeful of signing Joao Cancelo this summer despite failing to agree a deal with Valencia, according to reports.
Atletico Madrid have tied down defender Jose Maria Gimenez to a new five-year contract and doubled his release clause to 120m euros.
England Under-21 goalkeeper Dean Henderson has signed a new contract at Manchester United, the Premier League club have announced.