Van Persie picked up a calf injury on international duty with Holland after reporting for duty with a toe problem.
"We have a few with knocks," Moyes told MUTV.
"The one we are more worried about is Robin van Persie.
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"He got a kick on the calf and he came off in the second game (against Turkey). He has had problems with his toes as well.
"We will see how he is."
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