I see this from another angle. The precedent has already been set. The current leagues, although professional, have long ago established TV Revenue Sharing. Since the players are in fact the performers and the B10, in a sense is negotiating a contract that includes them as a Primary Part to complete the contract. It could be argued that the TV Companies are making a deal to broadcast the images of the players, NIL and they therefore should be compensated.
Not an attorney or have the slightest idea the legal outcome. I like supporting the common man (middle class) because we been getting out azzes kicked forever.