La Sangre Azul, Cruz Azul Club firm, refer to their team as "celestes" (light blue) because of their color back in the days when the club climb to the first division league
Lyrics
You have to be the champion this year, While you play with b*lls I will cheer you, Since long time ago I want to be the champion, This year "Light blue" you cannot let me down, Come on, come on oh, Come on, come on oh, Come on, come on oh, Come on, come on oh...