According to the NFL Mobile Google Play app (https://play.google.com/store/apps/details?id=com.gotv.nflgamecenter.us.lite&hl=en), the Super Bowl will be available on the NFL Mobile app on Android TV:
Android TV Features:
• CBS and NBC playoff games with authentication
• Super Bowl LII
Just in case anyone is wondering.
Was thinking about this one? https://www.amazon.com/StarTech-Gigabit-Ethernet-Network-Adapter/dp/B0095EFXMC
edit: apparently the TV is missing drivers according to this thread: https://community.sony.com/t5/4K-Ultra-HD-TV/x85d-x8500d-Unable-to-Use-USB3-to-Gigabit-Ethernet-Adaptor/td-p/622738