> What control do they need beyond normal copyright?
Money. Content partners pay to have NFL content on their platforms, NFL content is highly valuable, so the NFL doesn't want anyone else to monetize it without the NFL getting their cut.
Money. Content partners pay to have NFL content on their platforms, NFL content is highly valuable, so the NFL doesn't want anyone else to monetize it without the NFL getting their cut.
That is a lot of words to just say: money.