who worked in the cooperative, but the construction workers in general. Liebres (hares): When the team was promoted to the Primera División in the mid-1960s, the club played a fast and physical game. These characteristics, coupled with their mostly white uniforms, led fans to compare the players of those years with the hares which abound in the town. The nickname took hold, and an anthropomorphic hare is often used as a mascot and icon to represent the Cruz Azul. While some modern fans believe that the mascot is a rabbit, the club's board has officially declared that it is a hare. La Máquina (the machine, the locomotive): This nickname is fed by several sources of inspiration. One is based on a railway that brought the cement from the Cruz Azul plant, in the former village of Jasso (south of Tula de Allende), to Mexico City. After moving to Mexico City, the Cruz Azul was the most dominant club in Mexico during the 1970s, reinforcing the nickname as a comparison to the image of a locomotive sweeping through their opponents. The name may have been borrowed from the similarly nicknamed River Plate club that motored through its opponents in the Argentine Primera División in the 1940s. It has been suggested that reporter Rugama Angel Fernandez was the first to publish an article with the name La Máquina for the Cruz Azul. The nickname has some variations, including The Sky-blue Machine (La Máquina Celeste), The Blue Machine (La Máquina Azul) and The Cement Machine (La Máquina Cementera). The Cheerleaders (Las Celestes) The club has its own official cheerleading club, who were included as part of the institution in 2004 and since then, act as cheerleaders pre-match and during the halftime break. "Las Celestes" have become part of the tradition of the club. Which is the only Mexican team that include official cheerleaders as part of their group. Popularity and rivalries Popularity Since its inception the team was supported mainly by cement workers. After promotion to the Primera División in the 1960s, more people began to follow the team. In the 1970s when the team managed six of their nine titles even more people joined the group of supporters of the team, until now that in this 21st century according to various surveys is the third team with the most supporters in Mexico, behind the Club Guadalajara and the América respectively, above the