The AF2 was the Arena Football League's developmental league; it was founded in 1999 and played its first season in 2000. Like its parent AFL, the AF2 played using the same arena football rules and style of play. League seasons ran from April through July with the postseason and ArenaCup championship in August. The AF2 continued to operate while the AFL suspended operations for its 2009 season. The league was effectively disbanded in September 2009 when no team committed to playing in 2010, but several of the stronger franchises transferred into the reconstituted AFL.
The Nashville Kats is the name of three separate franchises in the Arena Football League all located in Nashville, Tennessee. The original incarnation of the Kats launched in 1997 and were the first tenant of Bridgestone Arena. The Kats were first coached by Eddie Khayat, who won AFL Coach of the Year honors in 1997. After two seasons, Khayat was succeeded by Pat Sperduto, who coached the team to back-to-back appearances in ArenaBowl XIV and ArenaBowl XV. Despite on-field success, unfavorable lease conditions led to the sale of the team and relocation to Atlanta in December 2001, then becoming the original Georgia Force. The second incarnation of the Kats joined the league as an expansion team in 2005, again coached by Sperduto and again playing at Bridgestone Arena. This second incarnation played three seasons before folding in 2007. The third incarnation of the team, coached by Dean Cokinos, began play in 2024 at Nashville Municipal Auditorium. In 2025, they will become inaugural members of the newly-formed Arena Football One.
The Amarillo Dusters are a professional indoor football team based in Amarillo, Texas, currently a member of the National Arena League. They play their home games at the Amarillo Civic Center. The Venom began play in 2004 as a charter member of the Intense Football League, a small indoor football league based in Texas. They won the championship in their first and only season with the Intense Football League.
The Iowa Barnstormers are a professional indoor football team based in Des Moines, Iowa. They are currently members of the Indoor Football League (IFL). They play their home games at Wells Fargo Arena, known in indoor football circles as "The Well".
The Bank OZK Arena, formerly known as Summit Arena and Bank of the Ozarks Arena, is a 6,300-seat multi-purpose arena in Hot Springs, Arkansas, USA.
The Peoria Pirates were a professional arena football team that last played in AF2, the minor league to the Arena Football League (AFL). They played their home games at Carver Arena, part of the Peoria Civic Center in Illinois, and were coached by Mike Hohensee and Bruce Cowdrey. The Pirates originally began play as a charter member of the original Indoor Football League in 1999.
The Indoor Football League (IFL) is a professional indoor American football league created in 2008 out of the merger between the Intense Football League and United Indoor Football. It has one of the largest number of currently active teams among indoor football leagues. As of the 2024 season, the league consists of 16 teams in two conferences with each team playing 16 games over 19 weeks.
The National Arena League (NAL) is a professional indoor football league that began play in 2017. As of the end of the 2024 season, the league consisted of five teams.
The Baltimore Brigade was a professional arena football team based in Baltimore, Maryland, that played in the Arena Football League (AFL) from 2017 to 2019. The team's home arena was the Royal Farms Arena. The franchise was owned by Ted Leonsis through Monumental Sports & Entertainment. After the 2019 season, the entire league ceased operations.
The National Gridiron League (NGL) was a proposed gridiron football league. In 2022, after three years of postponed seasons, the organization rebranded as the United Football League (UFL)., prior to the current UFL. In 2024, the NGL resurfaced to claim to be launching in 2025.
The American West Football Conference (AWFC) are an inactive professional indoor American football minor league created in 2018 by Platinum Events & Security, LLC, the owners of the Idaho Horsemen. The league's inaugural season was in 2019.
The Oklahoma Flying Aces are a dormant professional indoor football team based in Enid, Oklahoma, and members of the National Arena League (NAL). The team was founded in 2018 as an expansion franchise in Champions Indoor Football for the 2019 season. The team was dormant for the 2021 season, but did not return for the 2022 season. The Flying Aces joined the National Arena League for the 2024 season but became dormant before the season was completed.
The Bay Area Panthers are a professional indoor football team based in San Jose, California. They are a member of the Indoor Football League (IFL) and were to begin play in 2020 at Oakland Arena as the Oakland Panthers. Due the onset of the COVID-19 pandemic, the Panthers' inaugural season was cancelled and then the team withdrew from the following 2021 season. Prior to the 2022 season, the Panthers announced they would instead play their home games at the SAP Center in San Jose and were renamed after the Bay Area.
Racing Louisville Football Club is a women's soccer team based in Louisville, Kentucky that plays in the National Women's Soccer League. It began playing in 2021 at Lynn Family Stadium. The team is owned by Soccer Holdings LLC. The expansion team was announced on October 22, 2019.
The Billings Outlaws are a professional indoor football team that began play as a member of Champions Indoor Football for the 2022 season. Based in Billings, Montana, the Outlaws play their home games at MetraPark First Interstate Arena. For 2024, they have been announced as members of the revived Arena Football League. They are the 2024 AFL champions, defeating the Albany Firebirds 46–41 at the American Dream Mall in East Rutherford, New Jersey. In 2025, they will become inaugural members of the newly-formed Arena Football One.
The Tulsa Oilers are a professional indoor football team based in Tulsa, Oklahoma. A member of the Indoor Football League (IFL), the Oilers began play in 2023 at the BOK Center. The Oilers are owned by Andy Scurto, owner of the ECHL hockey franchise of the same name.
The Arena League is a six-on-six indoor American football league in the United States. The league launched in 2024 with four teams.
The Arizona Bandits are a future professional indoor football team based in Phoenix, Arizona. They were announced as one of the inaugural teams for the revived Arena Football League (AFL), but after that league's collapse, they are likely to join the new Arena Football One that will begin play in 2025.
Arena Football One is a future professional indoor football league based in Nashville, Tennessee, set to play in 2025. The league was founded by the eight teams who had survived the 2024 Arena Football League season, effectively serving as a reorganization of the 2024 revival of the Arena Football League.
The Eau Claire Jammers are an indoor American football team set to begin play in 2025 as an expansion team of The Arena League. Based in Eau Claire, Wisconsin, the Jammers will play their home games at the Sonnentag Event Center.
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