A new professional football league called the XFL will start in 2020 following the conclusion of the upcoming NFL season. Pro football leagues have been popping up since the 1940’s. Most don’t last more than a few seasons. Several have generated great players that made it to the NFL. One contributed three new teams that joined the NFL. The most successful league still exists today in the NFL as the American Football Conference. Here is Part One of a summary of the leagues that have tried to compete or coexist with the NFL and what happened to them. Part Two will continue next week.

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