The National Indoor Football League (NIFL) was a professional indoor football league in the United States. For their first six years, the league had teams in markets not covered by either the Arena Football League or its developmental league, AF2, however, that changed briefly with their expansion into AFL markets such as Atlanta, Denver, and Los Angeles, and AF2 markets such as Fort Myers and Houston. Green Bay Packers head coach Matt LaFleur, Buffalo Bills running back Fred Jackson, New Orleans Saints quarterback John Fourcade and Pittsburgh Steelers Super Bowl running back Bam Morris, all played in the NIFL. The league folded in 2008.
United Indoor Football (UIF) was an indoor American football league in the United States that operated from 2005 to 2008. Ten owners from the National Indoor Football League, including one expansion and two from arenafootball2 (af2) took their franchises and formed their own league. The league was based in Omaha, Nebraska.
The Evansville BlueCats were a professional indoor football team based in Evansville, Indiana. They were a member of the United Indoor Football Association (UIF). They debuted in 2003 as a member of the National Indoor Football League.
The Alabama Vipers were a professional arena football team, that played in the Arena Football League. For most of their history, the Vipers played as the Tennessee Valley Vipers in the now-defunct af2, the minor league for the original Arena Football League, where they won ArenaCup IX in 2008. They played their home games at the Von Braun Center. They were coached by Dean Cokinos.
The Dayton Warbirds was an indoor football team in Dayton, Ohio.
The Coralville Chaos are a professional indoor football team based in Coralville, Iowa. They will play their home games at the Xtream Arena in Coralville starting in 2025.
The Tri-Cities Fever was a professional indoor football franchise based in Kennewick, Washington. The Fever joined National Indoor Football League (NIFL) in 2005 as an expansion team. The Fever were owned by Teri Carr. From 2005 to 2016, the Fever played their home games at the Toyota Center in Kennewick, Washington. On June 30, 2016, the team announced it would go dormant for the 2017 season and beyond.
The Fort Wayne Freedom was a professional indoor football team based in Fort Wayne, Indiana.
The Omaha Beef are a professional indoor football team based in Omaha, Nebraska. The Beef plays their home games at Liberty First Credit Union Arena in nearby Ralston. The Beef competes in the National Arena League (NAL). The Beef has been a member of several leagues, including being a charter member of Champions Indoor Football (CIF).
The Sioux City Bandits are a professional indoor football team based in Sioux City, Iowa, and compete as a member of National Arena League (NAL). The team was founded in 1999 as the Sioux City Attack. In 2001, the team assumed their current name of the Bandits. The Bandits play their home games at the Tyson Events Center.
The Sioux Falls Storm are a dormant professional indoor football team based in Sioux Falls, South Dakota. The Storm joined the original Indoor Football League as an expansion team in 1999 as the Sioux Falls Cobras, and first took the field for the 2000 season. They currently participate in another iteration of the Indoor Football League; prior to that, the Storm were in United Indoor Football (UIF), where they won all four of the league's championship games. In the newer IFL, the Storm have won seven of the eleven championships in the league as of 2019.
The Kentucky Horsemen was an indoor football team based in Lexington, Kentucky. The team played its home games at Rupp Arena. The organization began as a 2003 expansion member of the National Indoor Football League, where they were successful. Following the 2004 season, where they defeated the Sioux Falls Storm to win Indoor Bowl IV, the Horsemen and other NIFL teams joined the new United Indoor Football (UIF) as a charter member, where they made the playoffs. They lost to the Sioux Falls Storm. They made the playoffs again in 2006 and advanced to United Bowl II where they lost to the Sioux Falls Storm. From 2008 to 2009, the Horsemen played in the AF2. The team announced intentions to compete in the new Arena Football League following the dissolution of the AF2, but instead ceased operations in October 2009.
The Rock River Raptors were a professional indoor football team based in Rockford, Illinois. The team was most recently a member of the Continental Indoor Football League. The franchise was established in 2000 as the Tennessee Valley Vipers, a charter member of af2. The franchise was based at the Von Braun Center in Huntsville, Alabama. In 2005, the franchise moved to United Indoor Football as the Tennessee Valley Raptors, to accommodate the Vipers' af2 return to Huntsville, as which point the team owner Art Clarkson announced that the franchise would relocate to Rockford. Coincidentally, Rockford was the site of the first-ever Arena Football game in 1986. The Owner of the Raptors was Art Clarkson. The Raptors played their home games at Rockford MetroCentre in Rockford, Illinois.
The Billings Outlaws were a professional league indoor football team based in Billings, Montana. They were a member of the Indoor Football League (IFL), of which they were the 2-time defending champions. They played their home games at Rimrock Auto Arena at MetraPark. Their games were broadcast live locally on News Talk 910 KBLG AM and online through Teamline.
The 2003 National Indoor Football League season was the third season of the National Indoor Football League (NIFL). The league champions were the Ohio Valley Greyhounds, who wrapped up a perfect season by defeating the Utah Warriors in Indoor Bowl III and becoming the first team in league history to win back-to-back titles.
The 2007 United Indoor Football season was preceded by 2006 and was succeeded by 2008. It was the third season of the UIF.
The 2006 United Indoor Football season was preceded by 2005 and succeeded by 2007. It was the second season of the UIF. The league champions were the Sioux Falls Storm, who defended their title by defeating the Lexington Horsemen in United Bowl II and acquired a perfect season.
The 2008 United Indoor Football season was preceded by 2007. It was the fourth and final season of the UIF. For this year, there were 8 teams playing a 15-game season schedule with all teams playing 14 regular season games from Saturday, March 8 to Saturday, June 14. The winning team was decided in United Bowl IV on Saturday, July 12. For the fourth-straight year, the Sioux Falls Storm became the UIF champion as they beat the Bloomington Extreme.
Leif Murphy is a former professional American football defensive end. He is one of Indoor Football's most prolific producers in the Sack and Tackle For Loss, categories.
The IFL National Championship is the Indoor Football League's championship game. It has been played every year since 2009, except for 2020 due to the COVID-19 pandemic. The current champions are the Arizona Rattlers, who won their seventh indoor National Championship, defeating the Massachusetts Pirates.