In 1974, were Second Division Champions and therefore promoted to the First Division.
In 1975, became the official First Division Cup Championship.
In 1978, won the First Division League Championship.
In 1980, became League Runner up after losing to Cruz Azul.
In 1982, won their second First Division League Championship.
In 1990, became Cup runner-up, after losing to Puebla.
In 1996, they won their second first division cup, but were relegated to Primera División A by their arch-rival, CF Monterrey, by losing 2-1. Note that Mexico uses a percentage-based relegation system, in which the team with the worst performance percentage in three years (instead of the worst team in the season) is relegated. Tigres qualified for the play-offs in 1996 but because of the relegation they were unable to compete in the playoffs. After some negotiations, the......