WThe A-League is the highest-level professional men's soccer league in Australia and New Zealand. At the top of the Australian league system, it is the country's primary competition for the sport. The A-League was established in 2004 by Football Federation Australia (FFA) as a successor to the National Soccer League (NSL) and competition commenced in August 2005. The league is currently contested by twelve teams; eleven based in Australia and one based in New Zealand.
WBaltic Basketball League (BBL) was the Baltic states basketball league founded in 2004. The league mainly focused on teams from the Baltic states, but teams from Sweden, Russia, Kazakhstan, Finland, and Belarus have participated in the Baltic League. After the 2017–18 season, the league announced that it was suspending its operations.
WThe Chinese Football Association China League, also known as China League One or Chinese Jia League (中甲联赛), is the second tier of Chinese clubs. Above League One is the Chinese Super League.
WThe Chinese Football Association Super League, commonly known as Chinese Super League or CSL, currently known as the China Ping An Chinese Football Association Super League for sponsorship reasons, is the highest tier of professional football in China, operating under the auspices of the Chinese Football Association (CFA).
WThe English Football League Championship is the highest division of the English Football League (EFL) and second-highest overall in the English football league system after the Premier League. The league is contested by 24 clubs. Each season, the two top-finishing teams in the Championship are automatically promoted to the Premier League. The teams that finish the season in 3rd to 6th place enter a playoff tournament, with the winner also gaining promotion to the Premier League. The three lowest-finishing teams in the Championship are relegated to League One.
WThe English Football League One is the second-highest division of the English Football League and the third tier overall in the entire English football league system.
WThe English Football League Two is the third and lowest division of the English Football League (EFL) and fourth-highest division overall in the English football league system.
WThe Golden Baseball League, based in San Ramon, California, was an independent baseball league. It later merged with the Northern League and the United Baseball League to form the North American League in the western United States, western Canada and Mexico.
WThe Hampshire League 2004 was an English football league comprising teams located in Hampshire. It was formed in 2004, ran for nine seasons and served as a feeder league to Step 7 of the National League System. It was an unofficial continuation of the original Hampshire League which had controversially been disbanded earlier the same year.
WThe Iranian Futsal Super League, is a professional futsal league competition for clubs located at the highest level of the Iranian futsal league system founded in 2004.
WThe Liga Nacional Superior de Voleibol is the top level Peruvian volleyball competition and it is organized by the Peruvian Volleyball Confederation. There are both men's and women's competitions. The number of participating clubs has been 12 per division since the 2011–12 season. The team champions qualify for the men's and women's South American Volleyball Club Championship.
WThe Malaysia Premier Futsal League (MPFL) is the national top-tier futsal league in Malaysia. It was previously known as the Liga Futsal Kebangsaan (LFK). The competition is separated into Men and women category.
WMalaysia Premier League is the current second-tier professional football league in Malaysia. The league replaced the former second-tier league Liga Perdana 2 in Malaysian football league system.
WThe Malaysia Super League is the men's top professional football division of the Malaysia football league system. Administered by the Football Malaysia Limited Liability Partnership (FMLLP), now known as the Malaysia Football League (MFL), Malaysia Super League is contested by twelve teams, with the two lowest-placed teams relegated to the Malaysia Premier League division and replaced by the top two teams in that division.
WThe National League South, formerly Conference South, is one of the second divisions of the National League in England, immediately below the top division National League. Along with National League North, it is at the second level of the National League System, and at the sixth tier overall of the English football league system.
WNational Pro Fastpitch (NPF), formerly the Women's Pro Softball League (WPSL), is a professional women's softball league in the United States. Each year, the playoff teams battle for the Cowles Cup.
WThe National T20 Cup is a men's professional domestic Twenty20 cricket competition in Pakistan. Established in 2005, it is one of the world's oldest Twenty20 cricket leagues. It was the principal T20 competition in the country until 2016, when the Pakistan Super League (PSL) franchise tournament was introduced. Since 2019–20, the National T20 Cup has been contested by six regional teams, having previously been contested mainly by teams representing the various city, district and area cricket associations.
WThe New Zealand Football Championship is a men's association football league at the top of the New Zealand league system. Founded in 2004, the New Zealand Football Championship was the successor to a myriad of short-lived football leagues in the country, including the National Soccer League, the National Summer Soccer League and the New Zealand Superclub League. The league is currently contested by ten teams in a franchise system. For sponsorship reasons, the competition is known as the ISPS Handa Men's Premiership. From the 2021-22 season, it will be known as the National League Championship.
WThe Nottinghamshire Senior League is an English football league. It was founded in 2004 to replace the Nottinghamshire Football Alliance League as the top league within the county of Nottinghamshire. The league has five divisions – the Premier Division, Division One, Division Two North, Division Two South and the Foundation Division. The league expanded from three divisions in 2020 having absorbed the Midland & Notts Alliance League
WThe Southern Professional Hockey League (SPHL) is a professional ice hockey league based in Huntersville, North Carolina, with teams located primarily in the southeastern United States as well as Illinois and Indiana in the midwestern United States.
WThe Texas Collegiate League (TCL) is a collegiate summer baseball league made up of teams from the states of Texas, Louisiana, and Oklahoma. The league's headquarters are in Coppell, Texas. Uri Geva, owner of the Brazos Valley Bombers, is the league's president.
WThe Women's Basketball Development Association (WBDA) is a professional development female basketball league.