Many rumors have surfaced about the proposed new Cubs TV network, which is supposed to debut for the 2020 season. But no formal announcement has yet been made.
Some of those rumors had the Cubs partnering with Sinclair Broadcasting, a company that runs quite a large number of broadcast TV stations in the USA. But no formal announcement has been made of a partner for the Cubs in this part of the endeavor, either.
This recent Bloomberg article gives a hint to what might be going on behind the scenes. As you might recall, Fox and Disney are in the late stages of finalizing a merger of many of the Fox properties under the Disney umbrella.