I have already written a blog about why the United Sates Football League failed in the mid 1980s and how it could've succeeded. So I'm not going to focus too much on that but the reasons why the USFL could've succeeded and still be in business today are the same reasons how a USFL could make it today, because there are enough non NFL markets in America, to support a USFL franchise. And enough good NFL caliber players, to make the USFL work today, who maybe aren't ready for the NFL yet or have been overlooked and just need that one shot to make it.
The NFL is somewhat short on quarterbacks offensive lineman, defensive lineman and there are plenty of NFL players, that simply aren't ready to be stars in the NFL today. And need time to develop and when they are sent out to play now, they simply don't look ready to play yet, but if they are playing in the USFL and given a chance to develop and play and not have to worry about playing against the best football players in the World, then the pressure is off to a certain extent instead of trying to live up to some huge contract that they signed and would be better off starting in the USFL.
Put those players in the USFL, they would be surrounded by good young players, who just need time to develop or that shot to be a good NFL or USFL player. The USFL could serve as either a developmental league for the NFL or they could end up, however they develop their players and are able to attract players to their league perhaps one day end up being part of the NFL or perhaps merging with the Canadian Football League, the USFL and maybe we could end up with some type Continental Bowl in the future.
But in the short-term, the USFL needs to be about developing NFL players, that aren't ready to be in the NFL yet or players that are so far down on the depth chart, that they aren't getting a chance to develop. And they need do this by being a spring league at least in the beginning, basically starting training camp and Preseason after the Super Bowl and playing in major non NFL markets. Again a big reason why the USFL failed, was because they were in big NFL markets, like Washington, Philadelphia, New York, Boston, Detroit, Chicago etc.
The USFL can't do that again and need to go to places like, Orlando, Birmingham, Memphis, perhaps Columbus, Ohio, San Antonio, Portland, Salt Lake, Las Vegas, Los Angeles, perhaps San Jose or Sacramento. Major big cities like this that want pro football but don't have an NFL Franchise yet that would especially support a USFL franchise in the spring. And you take the players from the NFL or were overlooked by the NFL, that are simply not ready to play full-time in the NFL yet, thats how the USFl could succeed.