Andrew Pace
In high school basketball, certain numbers are deemed illegal for players to wear on their jerseys. These restrictions are implemented by the National Federation of State High School Associations (NFHS) and the NCAA, and they vary slightly from the regulations of the NBA. The rules are in place to ensure clear communication between referees and the official scorer, especially when signalling fouls. Referees use hand signals to indicate the jersey number of a player who has committed a foul, so the numbers are limited to those that can be communicated using one or two hands. This means that numbers with 6, 7, 8, or 9 as the second digit are typically prohibited in high school basketball.
| Characteristics | Values |
|---|---|
| Legal Numbers | 0, 00 (not both on the same team), 0-5, 10-15, 20-25, 30-35, 40-45, 50-55 |
| Illegal Numbers | 6, 7, 8, 9 |
| Number of Legal Numbers | 37 |
| Number of Players Wearing Illegal Numbers in Power Conferences | 43 |
| Number of Players Wearing Illegal Numbers at UNC | 2 |
| Maximum Number Allowed in College Teams | 15 |
| Maximum Number Allowed to Play in a Game | 13 |
| Maximum Number Allowed in High School Teams | 15 |
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What You'll Learn
Numbers 6, 7, 8, and 9 are illegal
The National Federation of State High School Associations (NFHS) and the NCAA have their own specific sets of rules, which differ slightly from those of the NBA. The rules emphasise clarity in communication on the court, especially for referees when signalling fouls.
The NFHS rules stipulate that player jerseys can only feature the numbers 0, 00, and 1 through 5, combined with 0 or another number in that same range. Numbers like 06 or 09, which could cause confusion during hand signals, are not allowed. The NFHS bans the use of 6, 7, 8, or 9 as the second digit. This means that numbers involving a 6, 7, 8, or 9 in the ones or tens place are not allowed and are considered illegal.
The reason for the ban has to do with the kind of communication that occurs between the referees and the official scoring table. When a player commits a foul, the player's jersey number must be communicated to the scorer. The ref whistles the play dead, walks toward the scorer's table, and flashes the number of the offending player with their hands. This is done to maintain the integrity of the game and ensure fair play.
Since there are only five fingers on each hand, it makes sense that the number cannot be above 55, or the combination cannot contain the numbers 6, 7, 8, or 9. For example, if a player wearing number 6 commits a foul, and the ref flashes five fingers on the right hand and one finger on the left, the scorer may confuse this with number 51. This would slow the game down and make record-keeping challenging.
While the NCAA rules are similar, they are a little less restrictive. The NCAA allows for numbers like 6, 7, 8, and 9 as long as they don't lead to any ambiguity when referees are making calls.
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Referees signal fouls with hand gestures
Referees play a crucial role in basketball, ensuring fair play and effective communication with the official scorer. When a player commits a foul, the referee whistles the play dead and walks towards the scorer's table to signal the number of the offending player with hand gestures. This process is standardised to ensure clear communication.
FIBA, for instance, uses a system where officials employ both hands to signal digits greater than 5. For numbers from 6 to 9, the referee faces the back of their hands towards the scorer to indicate the tens digit and then switches to the usual hand position to signal the ones digit. This approach ensures that scorers, who must keep track of fouls and scores, can accurately identify the offending player.
In high school basketball, the National Federation of State High School Associations governs the rules, including those regarding jersey numbers and foul signalling. To facilitate communication, only specific numbers are allowed: 00, 0-5, 10-15, 20-25, 30-35, 40-45, and 50-55. This means that any number with a 6, 7, 8, or 9 is prohibited.
The restriction on jersey numbers simplifies hand signalling for referees and understanding for scorers. For example, if a player wearing number 6 commits a foul, the referee would flash five fingers on the right hand and one finger on the left. Without context, this could also be interpreted as 51, leading to confusion and slowing down the game. Thus, the limited number range in high school basketball helps maintain the pace and flow of the game, which is a key responsibility of referees.
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Two players can't wear the same number
In high school basketball, the National Federation of State High School Associations (NFHS) rules state that two players cannot wear the same number. This is to ensure clarity in communication between referees and the official scoring table during a game. When a player commits a foul, the referee must communicate the player's jersey number to the scorer. The ref whistles the play dead, walks toward the scorer's table, and signals the number of the offending player with their hands.
The NFHS rules stipulate that player jerseys can only feature the numbers 0, 00, and 1 through 5, combined with 0 or another number in that same range. Numbers like 06 or 09, which could cause confusion during hand signals, are not allowed. The NFHS bans the use of 6, 7, 8, or 9 as the second digit. This means that there are only 37 numbers that players can choose from for their jerseys.
The rule about not wearing the same number as another player also applies if one player is on the varsity team and the other is on the junior varsity squad. Coaches must assign both players different numbers. If the error of two players wearing the same number is discovered after the ten-minute start of the game, it is considered a violation. The second player on the roster is considered the offending party, and the team is charged with a technical foul.
The reason for these restrictions on jersey numbers is to make it easier for referees and scorers to communicate and keep track of fouls during a game. Scorers must keep track of who scores what and who fouls whom, which can be a complicated process even with jersey numbers clearly displayed on the players' chests. By limiting the numbers to those that can be signalled with one hand, the system becomes more efficient and less prone to errors.
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Numbers 00 and 0 can't be on the same team
In high school basketball, the National Federation of State High School Associations (NFHS) has established a set of rules regarding the numbers that players are allowed to wear. These rules are designed to maintain clarity in communication on the court, especially for referees when signalling fouls.
One specific rule states that numbers 0 and 00 are not allowed to be on the same team. This restriction is in place because referees use hand signals to communicate the jersey number of a player who has committed a foul to the official scorer. As referees use one hand to signal each digit, having both 0 and 00 on the same team could potentially lead to confusion. For example, it would be challenging for the scorer to distinguish between a single digit of 0 or two digits of 00 being signalled by the referee.
The NFHS rules allow player jerseys to feature the numbers 0 or 00, and then 1 through 5, combined with 0 or another number in that range. This means numbers like 06 or 09 are not permitted as they could cause confusion during hand signals. The NFHS specifically bans the use of 6, 7, 8, or 9 as the second digit. Therefore, the allowed numbers are 0 or 00 (but not both), 0-5, 10-15, 20-25, 30-35, 40-45, and 50-55.
These regulations ensure effective communication between referees and official scorers, preventing misunderstandings and maintaining the integrity of the game. Scorers must keep track of who scores what and who fouls whom, which can be challenging even with jersey numbers clearly displayed. By limiting the allowed numbers, high school basketball aims to simplify this process and reduce potential errors.
While some might argue for more freedom in choosing jersey numbers, high school and college basketball programs have specific guidelines to follow. These rules may seem restrictive, but they serve the practical purpose of facilitating communication and record-keeping during games, demonstrating their importance in the sport.
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The NFHS and NCAA have different rules
On the other hand, the NCAA governs college basketball and has its own set of regulations for jersey numbers. While they previously had similar rules to the NFHS, they have recently changed their rules to allow for more flexibility. The NCAA now permits jersey numbers with 6, 7, 8, or 9 as long as they don't cause ambiguity when referees are making calls. This change has opened up a wider range of number options for college basketball players, with some even opting for double-digit jersey numbers.
The difference in rules between the NFHS and NCAA is likely due to the different levels of competition and the need for efficient communication. High school basketball aims to keep things simple and straightforward, hence the more restrictive numbering system. In contrast, college basketball players and coaches have a higher level of basketball knowledge and understanding, so there is more flexibility in the numbering system.
It is worth noting that both the NFHS and NCAA rules emphasize clarity in communication on the court, especially for referees when signaling fouls. The NFHS focuses on keeping the numbers within a range that can be easily signaled with one hand, while the NCAA allows for a broader range of numbers but still prioritizes clarity during calls.
While the NFHS and NCAA have different rules regarding jersey numbers, they both share the goal of maintaining the integrity of the game and ensuring efficient communication between referees, players, and officials. These rules might seem like minor details, but they play a crucial role in ensuring fair play and upholding the traditions that make basketball the beloved sport it is today.
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Frequently asked questions
Numbers that include 6, 7, 8, or 9 as the second digit are illegal in high school basketball. Numbers allowed are 0 or 00 (not both), 0-5, 10-15, 20-25, 30-35, 40-45, and 50-55.
The reason for the ban has to do with the kind of communication that occurs between the referees and the official scoring table. When a player commits a foul, the referee whistles the play dead, walks toward the scorer's table, and flashes the number of the offending player with their hands. Since there are only five fingers on each hand, the number cannot be above 55 or contain 6, 7, 8, or 9.
Teams with players wearing illegal numbers may be penalized, and referees are tasked with enforcing these penalties to ensure fair play. The offending player may not be allowed to participate.
No, it is against the rules for two players to wear the same number. If the error is discovered after the ten-minute start of the game, the second player on the roster is considered the offending party, and the team is charged with a technical foul.
