There is no need to flesh out all of the ins-and-outs of NBC, because for sure, "naturalized" and natural born are mutually exclusive.
There are hundreds of citizenship/deportation cases based on the premise that the citizenship of a person born abroad has the naturalized variety of citizenship. The plain text of the constitution leads to this conclusion, as well, but some people seem unable to reason using that document.
And what court case backs up your claim?