That's an interesting take. The US won't support that and SUM absolutely will not allow that to happen. For one, the TV/media partner of USL at the time they try to make that push will be black balled from ever getting the media rights to MLS, US Open Cup, or USMNT/USWNT games. I don't know who gives the designations for the tiers in the US, but if the USSF is involved, it's never going to happen minus a merger of MLS and USL moving forward and I would suspect a lot of $$$ involved to ensure the MLS owners who paid $100m + in franchise fees depending on when they got in, get their money back and they are able to maintain a competitive advantage. Unless on of the major networks wants it to happen and makes sure the contract is for enough $ that teams at the 1st and 2nd tiers are making at least their payroll in media rights fees, it's going to be tough sledding.