Here is a post from MTH in that thread.
Mark The Homer
April-2nd-2005, 05:02 PM
It's called a nameplate.
It's attached to the jersey with thread, so if you carefully cut the thread, you can work it out. It takes a few minutes.
The hard part is getting another faceplate -- and you'd want one that looks legit. I don't know where to get a screened faceplate, but I know you can get blank faceplates at www.authenticlettering.com, then you'd have to find somebody to screen the name on there. You'd want to be sure it's exactly the right shade of burgundy, and the right font, the right height, etc. If you have an "authentic" sewn jersey, www.authenticlettering.com won't sew names on them either, but you can order the name and faceplate from them and they'll send you the letters. It'll be up to you to get them sewn on.
It's a legal issue. The NFL won't allow businesses to manufacture jersey nameplates, which is why you have to sew them on yourself.
---------- Post added August-5th-2011 at 09:46 AM ----------
BTW, it looks like www.authenticlettering.com is out of business.