[4] The league was announced in October 2021 with seven teams which were leaving the Expedition League:[2][5][6] For the 2022 season, the league added the Gem City Bison (Laramie, Wyoming),[7] the North Platte Plainsmen (North Platte, Nebraska),[8][9] and the Nebraska Prospects, a traveling team to balance the schedule.
[11] For the 2023 season, the Oahe Zap were founded in Pierre, South Dakota[12][13] while the North Platte Plainsmen and the Western Nebraska Pioneers left the league to play their own independent schedules.
[18] In January 2023, the Gem City Bison announced that they are skipping the 2023 season, citing "ongoing challenges", and that they will be "working diligently" to return in 2024.
[19] In February 2023, the Sawtooth Sockeyes (Caldwell, Idaho) joined the league as an unaffiliated, travel only team to help balance the schedule.
It isn't stated if the Plainsmen or Bison are connected to the same-named previous teams, nor is there anything said about the Sawtooth Sockeyes absence.