sorry guys, i was in vegas the past few days so i didn't see these blackout issues (where every game is showing blacked out) until now. if you see that happen again, try this:
docker exec -it channels-baseball rm -rf /var/www/html/storage/app/*
i saw this happen a few times when i was first building and testing this, but haven't seen it happen since the first release...so i have no idea what causes it. that being said, the above command should fix it any time you encounter it.
there is an shorter (and easier to remember) command coming for this (it's in 1.3.0 but that version won't work without running a second command after installing it so i don't recommend using it for now), but if you run that on 1.2.2 it should clear your cached login information and reload it the next time you try to watch any game.