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 United Hockey League (UHL), originally known as the Colonial Hockey League from 1991 to 1997 and last known as the International Hockey League from 2007 to 2010, was a low-level minor professional ice hockey league, with teams in the United States and Canada. The league was headquartered in Rochester, Michigan, and, in its last year, consisted of seven teams. It folded in 2010, with most of its teams joining the Central Hockey League. The Central Hockey League teams still operating in 2014 were then added to ECHL. The only former CoHL/UHL/IHL teams still active as of 2022 are the Fort Wayne Komets and Kalamazoo Wings.
Arena football is a variety of eight-man indoor gridiron football. The game is played indoors on a smaller field than American or Canadian football, designed to fit in the same surface area as a standard North American ice hockey rink, resulting in a faster and higher-scoring game that can be played on the floors of indoor arenas. The sport was invented in 1981, and patented in 1987, by Jim Foster, a former executive of the National Football League and the United States Football League. The name is trademarked by Gridiron Enterprises and had a proprietary format until its patent expired in 2007.
The North American Hockey League (NAHL) is one of the top junior hockey leagues in the United States and is in its 48th season of operation in 2022–23. It is the only Tier II junior league sanctioned by USA Hockey, and acts as an alternative for those who would not or did not make the roster of a team in the Major Junior Canadian Hockey League (CHL) nor Tier I United States Hockey League (USHL). The NAHL is one of the oldest junior hockey leagues in the United States and is headquartered in Addison, Texas.
The Motor City Mechanics were a minor professional ice hockey team in the United Hockey League. The Mechanics played two seasons from 2004 to 2006 at Great Lakes Sports City Superior Arena in Fraser, Michigan.
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.
American Indoor Football (AIF) is a professional indoor football league, one of the several regional professional indoor football leagues in North America.
Michigan State Fairgrounds Coliseum was a 5,600-seat multi-purpose arena in Detroit, Michigan. The coliseum, built in 1922, was part of the former Michigan State Fairgrounds until its demolition in early 2022. The Michigan State Fair, the oldest state fair in the United States, was held here until 2009. The coliseum has also been the long-time venue of Detroit performances by the Shrine Circus.
The Continental Indoor Football League (CIFL) was an indoor football league based along the Midwestern United States region that played nine seasons from 2006 to 2014. It began play in April 2006 as the Great Lakes Indoor Football League (GLIFL). It was formed by Jeff Spitaleri, his brother Eric, and a third member, Cory Trapp, all from the Canton, Ohio, area.
The Battle Creek Crunch were a professional indoor football team based in Battle Creek, Michigan. The team was a charter member of the Great Lakes Indoor Football League joining the league in 2006 as an expansion team. The Crunch were the first professional indoor football team to be based in Battle Creek. The Crunch were owned by Mike Powell. They played their home games at the Kellogg Arena in Battle Creek, Michigan.
The Bloomington Edge was a professional indoor football team based in Bloomington, Illinois. While it was in operation, the team hosted home games at Grossinger Motors Arena. Originally named the Bloomington Extreme, the team was a member of United Indoor Football (UIF), and joined the Indoor Football League (IFL) in 2009 during the UIF and Intense Football League merger. They left the IFL for the Champions Professional Indoor Football League (CPIFL) in 2013, and in 2015 the CPIFL merged with the Lone Star Football League (LSFL) to create Champions Indoor Football (CIF), where Bloomington did not follow and joined X-League Indoor Football (X-League). Following the 2015 season the Edge joined the CIF. The Edge then announced it had rejoined the IFL for the 2018 season, but a court ruling prevented the team from joining the league until 2019, however, they were not included in that season's schedule.
The Port Huron Pirates were a professional indoor football team based in Port Huron, Michigan. The team was a charter member of the Great Lakes Indoor Football League (GLIFL) joining the league in 2006 as an expansion team. The Pirates were the first professional indoor football team to be based in Port Huron. They played their home games at McMorran Arena in Port Huron, Michigan.
The Rochester Raiders were a professional indoor football team based in the Rochester, New York area. They played their home games at Bill Gray's Regional Iceplex in Rochester. The Raiders were previously a member of the Continental Indoor Football League from 2006 to 2008 and the American Indoor Football Association for two exhibition matches in 2008. In 2014, the Raiders came back and played as a member of American Indoor Football (AIF).
Ilitch Holdings, Inc. is an American holding company established in 1999 to provide all companies owned by Mike and Marian Ilitch with professional and technical services. Its privately held businesses include Little Caesars Pizza, the National Hockey League (NHL) Detroit Red Wings, the Major League Baseball (MLB) Detroit Tigers, Olympia Entertainment, Olympia Development, Olympia Parking, Blue Line Foodservice Distribution, Champion Foods, 313 Presents, the Little Caesars Pizza Kit Fundraising Program, Hockeytown Cafe, and a variety of venues within these entities. Ilitch Holdings subsidiaries manage Detroit's Fox Theatre, City Theatre, Comerica Park, Pine Knob Music Theatre, Michigan Lottery Amphitheater, Meadow Brook Amphitheater, and Little Caesars Arena, which replaced the Joe Louis Arena after closing in July 2017.
The Continental Elite Hockey League was a Junior A league that existed from 2001 to 2004. The league was an independent Junior ice hockey league that did not operate under USA Hockey. There were later plans for a new league to begin play in the 2012–2013 season as a Tier II Junior league. The new Continental Elite Hockey League planned to have five to six teams ready to play in the league's first season.
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 2023 season, the league consists of 14 teams in two conferences with each team playing 16 games over 19 weeks.
The Detroit Thunder was a professional indoor football team based in Fraser, Michigan. The team was a member of the Continental Indoor Football League. The Thunder were the third indoor football team to have called the Motor City home, following two Arena Football League teams: the four-time ArenaBowl champion Detroit Drive (1988–1993) and the Detroit Fury (2001–2004). In addition, a team called the Motor City Reapers was proposed for the 2007 CIFL season, but the team folded before ever playing a single game. The Thunder were owned by Terrence and Lawrence Foster.
Champions Indoor Football (CIF) was a professional indoor American football minor league created in 2014 out of the merger between the Champions Professional Indoor Football League (CPIFL) and Lone Star Football League (LSFL), plus one team from the Indoor Football League and two expansion teams.
The American Arena League (AAL) is a dormant professional indoor football minor league that began playing in 2018. The league was initiated by a merger between Arena Pro Football (APF) and the Can-Am Indoor Football League (Can-Am), although the AAL only claimed the APF history after the former Can-Am founder left the league. Teams from both leagues, new teams, and later teams from Supreme Indoor Football and National Arena League constituted the new league for its inaugural season.
The Motor City Rockers are a professional minor league ice hockey team based in Fraser, Michigan. The team is the tenth to join the Federal Prospects Hockey League (FPHL). After experiencing delays due to the COVID-19 pandemic, the Rockers played their first game on October 13, 2022.
