West Ham manager Manuel Pellegrini: "Manchester United played on Thursday night [in the Europa League] but they changed nine players so it will be a different team.
"We are in a good moment so, if we are playing against the big teams, we must show we can play in the same way."
Manchester United boss Ole Gunnar Solskjaer: "Last time [April's 2-1 home win over West Ham] we were lucky to beat them and it will be a good test. But we have had two clean sheets in a row now and that will give the defenders confidence.
West Ham vs Man Utd: Find out how to watch the action (Image: GETTY)
West Ham vs Man Utd: Will Greenwood start? (Image: GETTY)
"If we can keep a clean sheet it will be easier for our strikers, who will know we don't have to score twos, threes and fours all the time."
What times does West Ham vs Man Utd kick-off?
The Premier League clash kicks off at 2pm BST.
What TV channel is West Ham vs Man Utd on?
Live coverage can be found on Sky Sports’ Main Event and Premier League channels.
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West Ham vs Man Utd: How will the match unfold? (Image: GETTY)
Build-up to the game gets underway at 1pm.
Can I live stream West Ham vs Man Utd?
Live streaming is available via the Sky Go app for existing customers.
Fans can also stream the action through NOW TV by purchasing a Sky Sports pass.