This chant was conceived in a match between Pumas de la UNAM and Tigres de la UANL that was played in Pumas stadium, Estadio Olímpico Universitario (México City), it was a little army of Tigres supporters preparing to get into a fight with the local firm (La Rebel), the tension between both firms had been increasing for a while and now was the time, in order to get momentum, Tigres supporters star chanting the battle cry. At the end, the clash was stoped by the police
Lyrics
Tigres supporters, what is your profession?: La U, la U, la U!, (x 3) ¡Tigres, Tigres, Tigres!