A:AnswerYou'll need a streaming service that supports those broadcasts. Such as YouTube TV, Fubo, etc, or the standalone sports apps for your market, etc.
A:AnswerYes I had the same problem about the same time frame. Changed the batteries also. I had to unplug the device and waited two minutes and plugged it back in and it works again. If you didn't try this already I would try. I think it's the device not the remote.
A:Answercat 5e, 6, 6e all support 1 gigabit at 100m. any of them will work fine for your shield. if you're outfitting your entire house with ethernet go with what will future proof you and you can afford.
the most important aspect if you're running cabling of significant distance within your home is to make sure to always buy 100% pure copper ethernet cable. stay away from copper clad / copper plated etc.