Rio Ferdinand has criticised any West Ham fan who wants David Moyes to lose his job.
The former Hammers defender says any person who thinks Moyes' time at the London Stadium is coming to an end is being 'disrespectful'.
The Scottish manager has received some flak from supporters after exiting the FA Cup at Bristol City last week.
The Hammers lost the third-round replay 1-0 at Ashton Gate after having Said Benrahma sent off early in the second half.
Rio Ferdinand has called out West Ham fans
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But they are well-placed in the Premier League, sitting in sixth ahead of Sunday's match at Sheffield United.
West Ham also finished top of their Europa League group and will go straight through to the last-16 of the competition.
They qualified for the Europa League after winning the Europa Conference League last term and have dealt well with the departure of Declan Rice to Arsenal last summer.
Ferdinand was a pundit for TNT Sports for the trip to Bramall Lane.
And he directly called out the fans who do not think Moyes is the right manager to lead them forward.
Ferdinand said: "Listen, I can't believe it. Where's the fans? I need to speak to the fans, the West Ham fans.
"What I'd like to know is what are you really expecting? What are you asking for from David Moyes?
"I've seen people disgruntled, not happy with David Moyes, asking should he be changed.
"When you look at it, they won a European competition last year, they spent the £100m from Declan Rice exquisitely well, fantastically well, they're all playing in the team and doing well.
"And they're sixth in the league, you have to be realistic sometimes.
"I think it's disrespectful even to be asking about David Moyes now because I think he's done a fabulous job here and I think you can't ask to have it all.
"You have to be understanding of where West Ham are as a football club.
"In the positions that they're in right now, I think he's doing a fabulous job and to be questioned is just ridiculous, considering where West Ham have been at times.
"They've been in the Championship, they've been languishing at times in the Premier League, but they're in a really healthy state at the moment.
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Rio Ferdinand has leapt to the defence of West Ham boss David Moyes
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"I think sometimes you've got to sit back and say 'Be careful what you wish for'."
Ferdinand admits that Moyes' character does mean he doesn't get the affection from fans that he deserves.
He added: "What I would say is it's not every West Ham fan. It's a small, loud portion, I get it.
Joe Cole and Rio Ferdinand are fully behind David Moyes at West Ham
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"I think what goes against David Moyes is just that he isn't that swashbuckling character.
"He is quite reserved at times and he does downplay himself and his achievements and he doesn't play to the media and stuff, and that might go against him as well."
