The 2008–09 National Indoor Soccer League is the inaugural season for the league and the 31st anniversary of professional Division 1 indoor soccer in the United States. The members of the NISL's first season are the Baltimore Blast, the Massachusetts Twisters, the Monterrey La Raza, the Philadelphia KiXX, and the Rockford Rampage. The Orlando Sharks were supposed to play, but due to scheduling conflicts with the Amway Arena the Twisters took the Sharks' spot for the season.
The 2009–10 Major Indoor Soccer League is the sophomore season for the league, and first under the revived MISL banner. 32 season of professional Division 1 indoor soccer. The members of the MISL's second season teams are the Baltimore Blast, the Milwaukee Wave, the Monterrey La Raza, the Philadelphia KiXX, and the Rockford Rampage.
The Jacksonville Sharks are a professional indoor football team based in Jacksonville, Florida, playing their home games at VyStar Veterans Memorial Arena. Beginning in 2017, the Sharks began play as charter members of the National Arena League (NAL). They were members of the Arena Football League (AFL) from 2010 to 2016 and won the championship of their division in the first four seasons of their existence.
The 2014–15 Major Arena Soccer League season is the seventh season for the league and the first since six teams from the former Major Indoor Soccer League defected to what was formerly called the Professional Arena Soccer League. The regular season started on October 25, 2014, and ended on March 1, 2015. Each team played a 20-game schedule. Also it is the 37th season of professional Division 1 indoor soccer in the USA and the first season for the MASL as the top league.
The 2016 Arena Football League season was the 29th season in the history of the Arena Football League. Prior to the start of the season, the league contracted to eight teams. The 16-game regular season then began on April 1, 2016 and ended on August 1, 2016. The league, however, kept its eight-team playoff format, which meant that every club qualified for the postseason.
The 2016–17 Buffalo Sabres season was the 47th season for the National Hockey League franchise that was established on May 22, 1970. Buffalo missed the playoffs for the sixth consecutive season.
The 2017–18 Vegas Golden Knights season was the inaugural season for the Vegas Golden Knights. They played their home games at T-Mobile Arena on the Las Vegas Strip in Paradise, Nevada.
The National Arena League (NAL) is a professional indoor football league that began play in 2017. It consists of six teams based on the East Coast of the United States.
The 2017 Jacksonville Sharks season was the eighth season for the professional indoor football franchise and first in the National Arena League (NAL). The Sharks were one of eight teams that competed in the NAL for its inaugural 2017 season
The 2017 National Arena League season was the inaugural season of the National Arena League (NAL). Playing with eight teams spread across the eastern and southern United States, the league's regular season kicked off on March 17, 2017, when the Columbus Lions hosted the Jacksonville Sharks and lost 41–56. The regular season ended 14 weeks later on June 17, 2017, with the Sharks hosting the Monterrey Steel and the Lions visiting the Georgia Firebirds. The playoffs were held in two rounds, with the top seed hosting the fourth seed and the second seed hosting the third seed, with the winners of these games facing in the 2017 NAL Championship hosted by the highest remaining seed.
The 2017 Columbus Lions season was the eleventh season for the professional indoor football franchise and first in the National Arena League (NAL). The Lions were one of eight teams that competed in the NAL for its inaugural 2017 season.
The 2017 Lehigh Valley Steelhawks season was the seventh season for the professional indoor football franchise and first in the National Arena League (NAL). The Steelhawks were one of eight teams that competed in the NAL for its inaugural 2017 season
The 2017 Georgia Firebirds season was the second season for the professional indoor football franchise and first in the National Arena League (NAL). The Firebirds were one of eight teams that competed in the NAL for its inaugural 2017 season
The 2017 High Country Grizzlies season was the franchise's inaugural season as a professional indoor football franchise; they are an expansion team of the National Arena League. The Grizzlies were one of eight teams that competed in the NAL for its inaugural 2017 season.
The American Arena League (AAL) is a minor professional indoor football 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 it claimed only 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 West Virginia Roughriders are a professional indoor football team based in Wheeling, West Virginia. They were founded in 2016 as the Richmond Roughriders and played at the Richmond Coliseum in 2017 and 2018. They were members the Arena Pro Football (APF) league in 2017. The Roughriders initially announced they were joining the National Arena League (NAL) for the 2018 season but then later joined the American Arena League (AAL). After the one season in the AAL, the owner announced he was creating his own league, Professional Arena Football, and left the AAL but the new league never gained traction and the team returned to the AAL. Concurrently, the Roughriders also moved to Wheeling due to arena issues in Richmond. They again announced they were not returning to the AAL for the 2020 season.
The Massachusetts Pirates are a professional indoor football team and a member of the National Arena League (NAL). The team is based in Worcester, Massachusetts, and play their home games at the DCU Center.
The Carolina Cobras are a professional indoor football team in the National Arena League (NAL) and that began play for the 2018 season. Based in Greensboro, North Carolina, the Cobras play their home games at the Greensboro Coliseum Complex.
The New York Streets are a professional indoor football team based in the New York metropolitan area. They are owned by Corey Galloway and are members of the National Arena League (NAL) since the 2019 season. They play their home games at the Westchester County Center in White Plains, New York.
