In team news, manager Sir Alex Ferguson has revealed there are ‘no new injuries’ ahead of tonight’s fixture with the Hammers.
"We have no injuries from Sunday against Stoke. It was a tough game, certainly. But there were no injuries and that is a blessing of course," the Scot told MUTV.
Ferguson also urged the team that ‘true grit’ is the key to winning the title now with 6 games left to play.
“I always say you don't leave your character in the dressing room and I think we saw that against Stoke,” said the manager.
Meanwhile, West Ham boss Sam Allardyce said that United have been ‘scary’ this term.
"It is pretty scary what total they might finish with. Manchester United have been outstanding. Their squad rotation has been Sir Alex's masterpiece as usual, about playing the right team at the right time,” said the Hammers' boss.
United captain Nemanja Vidic insisted Upton Park is a ‘difficult place to go’, urging his teammates to beware the dangers of a slip.
"Now it's West Ham and we have to play well again," he told MUTV.
"They play in a similar style to Stoke – we're going to have long balls and set pieces to deal with. You think you're almost there [winning the title] but you have to win the games."
Veteran defender Rio Ferdinand revealed his concern of a repeat ‘collapse’ in the title race, after last year’s slip.
“We’re not far off it but it’s not over until it’s over. We have to make sure we remain focused and apply ourselves in the right way,” explained the Englishman.
“It would be great to win it again but until we do I don’t want to talk much about it. Last season a lot of people got ahead of themselves."
Midfielder Michael Carrick insisted he prefers to stay out of the spotlight and ‘under the radar’, despite recent comparisons to United veteran Paul Scholes.
"I’m not one for promoting myself," Carrick told talkSPORT.
"I just play my football. I gauge it on the manager and his response. I know myself when I’m playing well, but you can’t please everyone.”
Striker Javier Hernandez has ‘bemoaned’ his lack of playing opportunities this term.
“It is frustrating. All the players in the world want to start every single game, every
However, Robin van Persie is expected to ‘kick on’, the boss revealed, after ending his 10-game goal drought against Stoke last weekend.
“It was a great goal for Robin [to score against Stoke] in that respect, and hopefully he kicks on from there,” Ferguson said.
In transfer news, Paris Saint-Germain boss Carlo Ancelotti insists Wayne Rooney is ‘impossible to buy’, despite recent speculation that PSG will bid for him this summer.
"Wayne Rooney is one of the best strikers in the world," the former Chelsea boss said in comments reported by L'Equipe.
"I think he is impossible to buy. He is an idol for Manchester United."
Meanwhile, Anderson is expected to return to Portugal this summer, as it seems his time at Old Trafford will come to an end.