Is the Number 0 Jersey Allowed in Soccer?

In soccer, the number 0 is uniquely prohibited by the official FIFA Laws of the Game. Players are not permitted to wear 0 on their kit during sanctioned matches. But why is soccer so strict about disallowing the number 0, and what meaning can we ascribe to jersey numbers in the beautiful game? As a soccer stats nerd, I decided to dive into the history and psychology surrounding squad numbers.

The Origins of Soccer‘s Numbering System

Since the early 20th century, numbering conventions have been used in soccer to identify player positions. Numbers 1-11 were assigned to starters according to their roles, with lower numbers like 1 and 2 given to defenders, 3, 4 and 5 to midfielders, and 9 assigned to strikers.

This systematic approach made it easy to attribute goals, fouls and other stats to specific positions. Player numbers became ingrained as shorthand for identifying roles – you picture a #10 playmaker differently than #7 winger.

But the FIFA Laws of the Game don‘t actually mandate any numbering rules. And as squads expanded beyond 11 starters, teams began assigning squad members numbers all the way up to 99, with less emphasis on positional conventions.

So where did soccer‘s prohibition on the number 0 come from if it‘s not in the official rules?

Why is Number 0 Banned in Soccer?

The number 0 is excluded from soccer kits for a few reasons:

• Avoiding confusion with letter O – 0 looks nearly identical to a capital O. So it became standard to exclude 0 to prevent ambiguity in records.

• Position numbering tradition – 0 doesn‘t fit neatly within the original 1-11 numbering system and would be confusing if included.

• Superstition – In some cultures, 0 represents bad luck, emptiness or negation. Portugal and Benfica legend Eusebio refused to wear 0 as he considered it unlucky.

• Unique appearance – A 0 jersey stands out on the pitch, conflicting with soccer‘s team-first culture.

These factors all contribute to soccer‘s general avoidance of the number 0. But exceptions exist…

Players Who Wore 0

While widely prohibited, players have occasionally been permitted to wear 0, usually after earning a "zero" nickname:

• Hicham Zerouali – Moroccan striker nicknamed "Zero" after signing with Aberdeen in Scotland‘s Premier League in 1999.

• Freddy Montero – Seattle Sounders forward known as "King of 0‘s" allowed to wear 0 for one game with Vancouver in 2017.

• Vaggelis Moras – Greek international defender nicknamed "Zero" wore 0 for single game after fans created custom 0 jersey.

In most cases, these were one-off stunts rather than permanent shirt numbers. But it shows soccer culture has come to accept 0 as an option, even if FIFA remains opposed.

Comparing Squad Number Rules by League

Interestingly MLS, known for progressive thinking, allows players to wear 0. But most leagues follow FIFA‘s disapproval of the number.

Psychology and Meaning Behind Squad Numbers

Jersey numbers can carry superstitious, symbolic and psychological meaning in soccer:

• Visibility – Lower numbers are more visible, hence goalkeepers wearing 1. Higher numbers stand out more as well.

• Position legacy – Numbers connect players to legends before them in the same shirt. The pressure of inheriting a number 10.

• Fresh starts – Players sometimes change numbers when transferring teams for a psychological refresh.

• Superstition – Some numbers are considered lucky or unlucky across different cultures.

• Honoring heroes – Retiring numbers in tribute to club legends and tragedies. Number 6 retired by Fiorentina for late captain Davide Astori.

• Confidence – Studies show wearing favorite numbers boosts performance vs. unfavorable numbers.

For these reasons, squad numbers carry weight and meaning. 0 is left out to preserve the traditions and mysticism around jersey numbers.

Should Soccer Reconsider Number 0?

As a fan, I don‘t feel strongly that the numbering system needs overhauling. The exclusivity of 1-99 makes certain numbers feel legendary. And excluding 0 reduces ambiguity — you know #10 is an elite playmaker, not a journeyman temporary player.

But soccer also loses some fun opportunities that other sports allow in picking 0:

• Players embracing a "zero to hero" underdog narrative

• Honoring a player‘s number of years with "00" for a 10th season

• Goalkeepers choosing 0 as the "starting point" on the pitch

My verdict is the soccer should open 0 for special circumstances like honoring club legends. But in general, keeping it excluded maintains the mystique and traditions that make soccer numbering culture so rich. The sports world benefits from soccer considering 0 a retired number of sorts.

So in summary, while prohibited under standard rules, the number 0 on the back of a soccer jersey carries a special intrigue in the beautiful game. And understanding the history and unwritten rules around squad numbers is part of understanding soccer culture. The role of numbers in sports psychology is endlessly fascinating. Hopefully this overview provides some meaningful… context!