Wilder is set to make Freeman his first summer signing and United are close to agreeing a fee of around £3.5million plus add-ons for the midfielder.
Wilder believes Freeman can make the step up to the Premier League after scoring eight goals and making six assists last season with Rangers.
He said: “The clubs are pretty close.
"It should be done, we think. We're looking at players with a point to prove."
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