To add to the list here's another SaleHoo supplier that carries a few NFL products, please check them out:
Link hidden: Login to view
They're a wholesaler with a low minimum order requirement ($50). Who know they may even accommodate your dropshipping needs - just try reaching them.
Here are additional off-SaleHoo suppliers that may have what you are looking for:
Link hidden: Login to view
Link hidden: Login to view
Hope this helps. Cheers!