He said: "We are going into the game knowing that on our day we are as good a side as any.
"We have to show it more often than we have done but I have great belief in the players. I have said that from day one and it hasn't changed.
"I get the feeling they (the players) all want to play. I can tell by their training and their attitude that they are saying 'this is a big game' and they all want to play in the big games. That's w
Right-back Rafael is a doubt for the game with a thigh strain, while left-back Patrice Evra is suspended and his deputy Alex Buttner ended Saturday's game against Villa with a tight hamstring.
Moyes added: "We have defensive issues undoubtedly. I won't be giving out my team today but, as everybody is aware, we will have to make one or two changes."
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