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| Organising body | Asociación de Clubes de Básquet |
|---|---|
| Founded | 1992; 33 years ago (1992) |
| Country | Argentina |
| Divisions | 2 |
| Number of teams | 32 |
| Level on pyramid | 2 |
| Promotion to | Liga Nacional de Básquet |
| Relegation to | Torneo Federal de Básquet |
| Current champions | Racing (2025) |
| Most championships | Quilmes Libertad La Unión (2 titles) |
| TV partners | DeporTV DirecTV Sports Basquetpass.tv |
| Website | La Liga Argentina |
TheLa Liga Argentina de Básquet (abbreviated "LLA", and literally in English "The Argentine Basketball League"), previously known as theTorneo Nacional de Ascenso (abbreviated "TNA", and literally in English "National Promotion Tournament") is the second division of the Argentine basketball league system. The La Liga's predecessor is the Torneo Federal de Básquetbol, which became the third division when the LLA was created in1992.
La Liga Argentina consists of 28 teams, which are divided into four Divisions: North Center North, South, and Center South, with 7 teams per zone. The competition format is similar to that of Liga A, with a regular season divided into two stages. In the first stage, teams from the same division compete in a double round-robin format, with standings determined by a points system. Teams from the Center North and South Divisions will play two extra inter-zone matches.
After the first phase, each team carries over 100% of the points obtained to the second stage. In the second stage, two Conferences (North and South) are formed uniting the four divisions, so each Conference has a total of 13 teams each. A new double round-robin series of matches take place, with the final standings in each conference determined by the same points system of the first stage.
The final stage of the tournament follows a playoff format. The top four teams from each Conference advance directly to the Conference quarterfinals, while the teams ranked from 5th to 12th place in each Conference compete in a separate bracket to allocate the remaining berths for the Conference quarterfinals. Every series in this final stage follow a best-of-five format. The winning team of the Finals will earn a spot in the top tier the following year.
| Club | City | Province/Area | Arena | Capacity | Est. |
|---|---|---|---|---|---|
| Ameghino | Villa María | Córdoba | La Leonera | 500 | 1939 |
| Club Atlético Barrio Parque | Córdoba | Córdoba | Teatro del Parque | 1,000 | 1964 |
| Central Argentino Olímpico | Ceres | Santa Fe | Raúl Braica | 1,000 | 1961 |
| Club Atlético Colón | Santa Fe | Santa Fe | Gimnasio Roque Otrino | 1,500 | 1905 |
| Deportivo Norte | Armstrong | Santa Fe | Jorge Ferrero | 1,000 | 1939 |
| Echagüe | Paraná | Entre Ríos | Luis Butta | 2,000 | 1932 |
| Estudiantes | Tucumán | Tucumán | Ricardo Ascarte | ? | 1920 |
| Libertad | Sunchales | Santa Fe | El Hogar de los Tigres | 4,000 | 1910 |
| Salta Basket | Salta | Salta | Polideportivo Delmi | 4,500 | 2014 |
| San Isidro | San Francisco | Córdoba | Severo Robledo | 800 | 1920 |
| Sportivo América | Santa Fe | Santa Fe | Estadio Amílcar Tamburri | 2,000 | 1927 |
| Tiro Federal | Morteros | Córdoba | Vide Tealdi | 1,300 | 1940 |
| Villa San Martín | Resistencia | Chaco | Villa San Martín | 1,000 | 1935 |
| Club | City | Province/Area | Arena | Capacity | Est. |
|---|---|---|---|---|---|
| Atenas | Carmen de Patagones | Buenos Aires | Carmelo Trípoli | 2,000 | 1930 |
| Ciclista Juninense | Junín | Buenos Aires | Raúl Merlo | 3,100 | 1923 |
| Estudiantes | Concordia | Entre Ríos | El Gigante Verde | 1,600 | 1944 |
| Estudiantes | Olavarría | Buenos Aires | Carlos Guerrero | 7,100 | 1912 |
| Gimnasia y Esgrima | La Plata | Buenos Aires | Víctor Nethol | 3,000 | 1887 |
| Lanús | Lanús | Buenos Aires | Microestadio Antonio Rotili | 1,500 | 1915 |
| Parque Sur | Concepción del Uruguay | Entre Ríos | Parque Sur | 1,500 | 1973 |
| Deportivo Viedma | Viedma | Río Negro | Ángel Arias | 2,500 | 2009 |
| Quilmes | Mar del Plata | Buenos Aires | Polideportivo Islas Malvinas | 8,000 | 1922 |
| Racing | Chivilcoy | Buenos Aires | Estadio Norte | 1,500 | 1914 |
| C.D. Rivadavia | Rivadavia | Mendoza | Leopoldo Juan Brozovix | 900 | 1977 |
| Tomás de Rocamora | Concepción del Uruguay | Entre Ríos | Julio C. Pacagnella | 1,000 | 1927 |
| Unión | Santa Fe | Santa Fe | Ángel P. Malvicino | 4,500 | 1907 |
| Villa Mitre | Bahía Blanca | Buenos Aires | Villa Mitre | 1,500 | 1924 |
| Club | Titles | Seasons won |
|---|---|---|
| Quilmes (Mar del Plata) | 2 | 1998–99, 2010–11 |
| Libertad (Sunchales) | 1997–98, 2017–18 | |
| La Unión de Formosa | 2004–05, 2008–09 | |
| Racing | 1 | 2024–25 |
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