AUSL is Athletes Unlimited's fifth league since launching in 2020, when the organization launched an innovative single-site softball model. AUSL will operate as a more traditional softball model with each of its four teams having a home base beginning in 2026.

For the first time, Major League Baseball is investing in a professional women’s softball league. The four-team AUSL will play in 10 cities this summer.

The four-team Athletes Unlimited Softball League will compete this summer, with MLB airing several games on its platforms.