I think their is a demand for a Spring League.. MLF might fit that bill.
However some issues.
http://www.mlfbmedia.com/about-mlfb-league-overview/1. Avg price per ticket $50.00 .. really for a starter league .. how about $20 to start then raise it slowly as you develop a market.
2. Emerging markets absent of NFL and MLB .. well St Louis won't get a team.. not sure who is the winner or loser.. the issue with this is that you eliminate the most profitable markets for TV revenues. But I hear the North Dakota vs Alaska will bring in a hugh crowd.
First 6 .. last 2 haven't been named yet.
Akron, Ohio
Eugene, Oregon
Birmingham, Alabama
Orlando, Florida
Little Rock, Arkansas
Norfolk, Virginia
3. Talking about crowd.. they expect avg attend at 12K - 15K .. again that sounds about right as a start up crowd.. just lower the ticket price initially until you build a fan base.
4. April - July season.. sounds good.. right at the same time as MLB but it ends in time for the best players to get into NFL camps.
5. Publicly traded .. hmm I might invest.