Liga del Sur (Bahía Blanca)
|Divisions||Two divisions (Primera A and Torneo Promocional de Ascenso)|
|Number of teams||15 (8 in first division and 7 in second division)|
|Level on pyramid||6|
|Promotion to||Torneo Argentino C|
|Current champions||Club Atletico Liniers
|Most championships||Olimpo (28)|
|2011, torneo clausura|
|This article does not cite any sources. (December 2010) (Learn how and when to remove this template message)|
It was founded on 18 June 1908. This is the oldest local league in Argentina. But it was not the first league founded on the country, because the Liga Rosarina de Fútbol existed between 1905 and 1930. The founding clubs are Porteños Sud, Argentino, Bahía Blanca and Estudiantes. In subsequent years, joined the clubs Sud (1909), Pacífico (1909), Liniers (1909), Olimpo (1911), San Martín (1912), Comercial (1916), Huracán (1916), Dublin (1916), Libertad (1917), Peñarol (1918), Estudiantes (1918), Independiente (1918) and Villa Mitre (1925).
During this period, only a combined with league players was authorized to participate in national tournaments, because the member clubs was not affiliated to the AFA. In 1926, Liga del Sur won Copa Progreso, Copa Caronti and a provincial championship. Also, the league obtained the third place in a national tournament. The combined won again the provincial championship in 1929. Posteriorly, Liga del Sur divided, causing Asociación Bahiense de Fútbol (1934–1937) and Liga Sureña (1944–1946). In both situations there were two championships simultaneously. From 1908 the only time there was no champion (considered vacant) was in 1947. In 1958, The league combined played and won a match with Argentina national football team for 4–3. In 1961, Liga del Sur won Copa Doctor Adrián Beccar Varela and participated in Campeonato Sudamericano de Clubes one year later.
In 1967, the clubs obtain the permission to participate in the Torneo Nacional. Huracán classified in 1968. Sporting and Rosario Puerto Belgrano played in Copa Argentina, in 1969 and 1970, respectively. Huracán returned to First Division in 1971, followed by Comercial (1974) and Olimpo (1984), which played a Liguilla Pre Libertadores in 1986. Argentina national football team returned to Bahía Blanca in 1978 and won a match (7-1) played with Liga del Sur.
Torneo Nacional disappeared in 1986. In the 1990s, a new derby gained strength. On this match plays Olimpo and Villa Mitre, the strongest league clubs in regional tournaments. It was played in Primera B Nacional between the years 1999–2002 and 2006–2007. Olimpo returns to First Division on three times: 2002–06, 2007–08 and 2010–11. Actually, the league combined only exists in the Torneo Nacional Sub-15 de Ligas.
In this competition, the teams are divided in two categories: Primera A and Torneo Promocional de Ascenso (or second division).
- Club Atlético Huracán de Ingeniero White
- Club Atlético Libertad
- Club Atlético Liniers
- Club Atlético Pacífico
- Club Atlético Puerto Comercial
- Club Atlético Sporting
- Club Bella Vista
- Club Deportivo La Armonía
- Club Olimpo
- Club Pacífico Cabildo
- Club Rosario Puerto Belgrano
- Club Social y Deportivo Juventud Unida (this club only presents teams in the lower divisions)
- Club Sansinena Social y Deportivo
- Club Tiro Federal
- Club Villa Mitre