Switch to Verizon Wireless
Verizon is being great this year by providing a free stream of Sunday, Monday night, and Thursday night games for its mobile customers via its dedicated app. And if you have a Roku, Chromecast, or Apple TV, you can easily beam that baby onto the big screen.
Try looking through Periscope
Not the best option if quality is of utmost importance, but odds are good you'll find some saintly soul broadcasting a live stream of the game you're looking for on Periscope. Just cross your fingers they don't get bored at halftime and decide to stop.