You will have to pay to have a custom one done, but they will do anything you want.http://www.nflshop.com/product/index.js ... age=family
If you join the NFL fan club or whatever, you can get 15% of you first order I have been told.
The jersey listed above costs $149.
Hope this helps.
for Richard Sherman but the only ones i can find are from non official sites and i am a little nervous about ordering one from those sites. Does anybody know of a good site to find one?