I have found my answer for the 2015 NFL season.
Nfl2go*com
As a longtime cord cutter and early contributor to this thread, i wanted to let everyone know about this. I have been through every Saints game on last year's schedule and vetted the service to my satisfaction. This is a very popular service on cord cutter forum I'm on.
There is a $20 fee, payable via Bitcoin or PayPal. I am streaming from an iPhone4s used as a mobile server cast to Apple TV3 , 1080p resolution. No buffering, very efficient stream on a $19.99 AT&T Uverse 15mps downstream middle tier account.
No VPN required, no proprietary apps. I have no affiliation.
There are also some peeps working on tunneling into countries under VPN with cheap prices for GamePass, like Denmark.
No affiliation.