Why is 66 banned in LA Liga?

Why Number 66 Is Banned in LaLiga

In the world of football, squad numbers often carry meaning—tradition, identity, or even superstition. But in LaLiga, there's a clear rule that stands out: numbers above 25 are off-limits for first-team players. That’s why you’ll never see a player wearing number 66 on a Spanish top-flight pitch.

Unlike leagues such as the Premier League or Bundesliga, where higher numbers are common, LaLiga enforces strict squad numbering. First-team players must wear numbers between 1 and 25. The only exception is for goalkeepers, who traditionally wear 1, 13, or 25. This long-standing regulation aims to keep squad lists compact and rooted in tradition, reflecting the league’s conservative approach to team structure.

So when news broke that Trent Alexander-Arnold might join Real Madrid, fans wondered what number he’d pick—especially if he couldn’t choose something unconventional like 66. According to journalist Fabrizio Romano, the English full-back is expected to wear number 12 at the Bernabéu. It’s a practical choice, fitting neatly within LaLiga’s rules while leaving room for symbolism—12 often represents the “12th man,” a nod to fan support.

This numbering system may seem restrictive compared to the more liberal policies elsewhere, but it’s part of what makes Spanish football unique. It keeps rosters tidy, honors tradition, and avoids the chaos of ever-rising digits. While 66 might be a bold statement elsewhere, in LaLiga, simplicity and order win every time.