Atletico Potosino was a Mexican football team that played most of their years in the Mexican First Division. Was last held in the city of San Luis Potosi, Mexico. They were known by the nickname of Cachorros and played with blue uniform with two vertical stripes on the left side of about 7 cm wide yellow and white that meant gold and silver that were exploited by the Spaniards in colonial times and their shield was the water box emblem historical monument of the city. History The team was founded in 1972 by the name of Pumas de la Universidad Autonoma de San Luis (UASLP-Pumas), debuting at Segunda División de México. At first it was regarded as an inferior when compared to the San Luis which had been founded in 1966 and then active in the Primera Division Mexicana. After two seasons in Segunda Division de Mexico, the team was invited by the Federación Mexicana de Fútbol part of the Primera Division Mexicana for the season 1974–1975, with the aim of expanding the league to 20 teams, the other club was invited Unión de Curtidores, this privilege were given at the end as semi-finalists in the second division, but the name UASLP-Pumas had to be changed to Atlético Potosino because UNAM did not allow the team used the same nickname. In the 1973–1974 season, Club San Luis had dropped to the second division and Atletico Potosino had taken the place as the main team in the region. In the 1975–1976 season the team was in serious relegation trouble and played a relegation playoff against Atlante to decide who descended. With an aggregate score of 2–1 Atletico Potosino achieved permanence and send Atlante to Segunda División. For the 1976 season San Luis returns the maximum circuit and gives a rise to a Potosino classic. They would play two games in the 1976–1977 season, the first of which was at Week 14 ended in a 1–1 tie, while the second was in Week 33 with a score of 2–0 for the San Luis. This season both teams qualified for the playoffs but did not face each other again. In 1977 the San Luis was sold to Tampico and the city of San Luis would only have one team. Atletico Potosino continued with outstanding seasons in the top level, reaching three liguillas. Their best season was 1978–1979, in which they finished in fifth