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|Full name||Club Atlético Tucumán|
|Founded||27 September 1902|
|Ground||Monumental José Fierro, San Miguel de Tucumán, Tucumán Province|
|League||Primera B Nacional|
|Website||Club home page|
Club Atlético Tucumán (mostly known as Atlético Tucumán) is an Argentine based in the city of San Miguel de Tucumán of Tucumán Province. Although several sports are practised at the club, Atlético is mostly known for its football team, which currently plays in the Primera B Nacional, the second division of the Argentine football league system.
The club was founded in 1902, which makes Atlético the oldest football club from the province of Tucumán.
Atlético has participated in nine seasons in the Primera division: eight seasons between 1973 and 1981, and a single season in 1984. The team's best ever performance in Primera División was on 1979, when reached the semi-finals of the Torneo Nacional.
In 2008 Atlético Tucumán promoted to the Argentine 2nd Division after defeating Racing de Córdoba in the final game of Torneo Argentino A, and one year later the squad achieved its 2nd consecutive promotion by winning the B Nacional tournament and reaching the Primera División.
The Tucumán Derby is played between Atlético and its longtime rival San Martín, both of the same city. The Santo (as San Martín is nicknamed) currently plays in the Torneo Argentino A, the regionalized third division of Argentine league system.
The stadium was constructed in 1922 by Spanish architect José Graña (1885-1950) with an original capacity for 5,000 spectators. It was inaugurated on May 21 of same year. Originally named as "Grand Stadium" due to being the largest of the North side of Argentina, Racing Club de Avellaneda was invited to play a friendly match versus Atlético Tucumán as part of the celebration. The stadium was named Monumental "José Fierro" in honor of a well-remembered Atlético's chairman.
It was the first roof stadium in Tucumán Province and the first to have a superior stand. The structure was built of concrete. The record attendance was in 2008, during a match between Atlético and Racing de Córdoba, when all the seats were filled.
The stadium is located in the North part of the city of San Miguel de Tucumán (named "Barrio Norte"). It can currently accommodate up to 32,700 persons due to an upgrade of the facilities that included adding and extra 2,500 seats.
Current squad of Atlético Tucumán as of November 9, 2013 (
Manager: Diego Erroz
- Federación Tucumana (21): 1920, 1921, 1924, 1927, 1930, 1935, 1937, 1938, 1942, 1951, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1972, 1973, 1975 
- Liga Tucumana (6): 1977, 1978, 1979, 1983, 1986, 2003 
- Torneo de Competencia (8): 1926, 1939, 1944, 1945, 1946, 1951, 1953, 1957
- Campeonato de Honor (13): 1935, 1936, 1937, 1938, 1939, 1944, 1952, 1954, 1956, 1957, 1958, 1959, 1963