Uniform number (American football)

Uniform numbers in American football are unusual compared to those in other sports. They are displayed in more locations on the uniform; they are universally worn on both the front and back of the jersey; and in many cases "TV numbers" are displayed on either the jersey sleeves, the shoulder pad, or occasionally on the helmets. The numbers on the front and back of the jersey also are very large, covering most of the jersey. More importantly, certain numbers may only be worn by players playing specific positions; thus, the jersey numbers assist the officials in determining possible rules infractions by players.

Cornerback Dré Bly seen in 2007 with numbers visible on the front and shoulders of his uniform

Under current rules in all three of the most prominent levels of American football (high school football, college football and professional football), all players must wear a number from 1 to 99, and no two players on the same team may wear the same number on the field at the same time. Players could formerly use the numbers 0 and 00, numbers that were phased out in the 1970s, and on two special occasions in the 1960s, placekickers wore the number 100. Use of the number 0 will again be allowed by the NCAA in American college football, starting with the 2020 season.

Players who wear numbers from 50 to 79 are, by rule, prohibited from catching or touching forward passes if their team is in possession of the ball and may not line up in a position that allows them to do so, unless explicitly indicated to the referee during a tackle-eligible play. Other than this, the correspondence between jersey numbers and player positions is largely a matter of style, tradition and semantics.

The related sport of Canadian football follows a similar numbering scheme to that of American scholastic football, except that the ineligible numbers span only from 50 to 69 (historically, it was 40 to 69) and numbers 0 and 00 are available for use.

Professional football
Main article: National Football League uniform numbers
See also: List of National Football League retired numbers

The National Football League numbering system dates from a large-scale change of their rules in 1973, subsequently amended in various minor ways. As of 2020, players are generally required to wear numbers within ranges based on their positions as shown in the following table.[1]

Number range QB RB WR TE OL DL LB DB K / P
1–9 Yes No No No No No No No Yes
10–19 Yes No Yes No No No No No Yes
20–29 No Yes No No No No No Yes No
30–39 No Yes No No No No No Yes No
40–49 No Yes No Yes No Yes Yes Yes No
50–59 No No No No Yes[lower-alpha 1] Yes Yes No No
60–69 No No No No Yes Yes No No No
70–79 No No No No Yes Yes No No No
80–89 No No Yes Yes No No No No No
90–99 No No No No No Yes Yes No No

Exceptions to this system do exist, including during the National Football League preseason with associated larger team rosters. The numbers used relate to the player's primary position when they are first assigned a number. If they later change positions, they can keep their prior number, unless it conflicts with the eligible receiver rule; that is only players that change positions from an eligible position (such as receiver or back) to an ineligible position (such as an offensive lineman) are required to change numbers if they change position. Additionally, during a game a player may play out-of-position, but only after reporting in to the referees, who will announce to the stadium that a specific player number has reported in (for example "Number 61 has reported as an eligible receiver") to alert the opposing team, other officials, and the audience that a player is legally out-of-position.[1]

Although the NFL does allow teams to retire jersey numbers, the league officially discourages the practice for fear of teams running out of numbers; the rule book requires teams to make available retired numbers for new players should they exhaust all available numbers at a particular position.[1]

In the XFL, the NFL numbering conventions are followed with a slight exception being that wide-receivers are allowed to wear single-digit numbers (i.e. 1-9).

NCAA
Alabama Crimson Tide football players (in red) with uniform numbers visible on their helmets

According to NCAA rule book, Rule 1 Section 4 Article 1 "strongly recommends" numbering as follows for offensive players:[2]

  • Backs 1-49
  • Center 50–59
  • Guard 60–69
  • Tackle 70–79
  • End 80–99

Otherwise all players can be numbered 1–99; the NCAA makes no stipulation on defensive players. Two players may also share the same number, although they may not play during the same down.

Starting in the 2020 NCAA football season, the use of duplicate numbers will be restricted to only two players on a team, and players will be allowed to wear No. 0.[3]

Two players, both placekickers, have worn No. 100 in NCAA history. Both did so as part of centennial celebrations in the 1960s, with special dispensation from the NCAA: West Virginia's Chuck Kinder (not the writer of the same name), who did so in 1963 to commemorate the state of West Virginia's 100th anniversary, and Kansas' Bill Bell, who did so in 1969 to commemorate 100 years since the first organized college football contest.[4]

High school
High school football players

On high school and other lower youth teams, jerseys with different number ranges are different sizes, and since many of these teams do not reorder jerseys every year, players are often assigned numbers based more on jerseys that fit them rather than specific position. Odessa Permian High School (of Friday Night Lights fame) plays in Texas, where NCAA rules are used; yet Permian's tradition is that quarterbacks will wear numbers in the 20s unlike most schools in college or high school.[5]

Although previous editions of the National Federation of State High School Associations rule book indicated a recommended numbering system nearly identical to the NCAA's, later editions from approximately 2000 onward only indicate the bare minimum requirements: offensive linemen must be numbered from 50 to 79, while all other positions including backs and ends must wear numbers either from 1 to 49 or 80 to 99.

Unusual uniform numbers have been used in comedy films, including:

gollark: Via typeclasses.
gollark: Although Haskell will happily let an operator use multiple different types.
gollark: I see. At least it isn't JS.
gollark: Haskell, being cool™, can infer basically everything, as well as apparently most ML languages.
gollark: So like Rust's requirements but with inferred return types too.

See also

Notes
  1. According to the NFL Rule Book, only centers are allowed numbers 50–59, though occasionally other offensive linemen are given numbers in this range.

References
  1. "2018 Official Playing Rules of the National Football League" (PDF). operations.nfl.com.
  2. "Football: 2016 and 2017 Rules and Interpretations" (PDF). NCAA. Retrieved May 23, 2019.
  3. Barnett, Zach (April 21, 2020). "NCAA makes 0 an eligible number, other rule tweaks". NBC Sports. Retrieved April 21, 2020.
  4. Stallard, Mark (2004). Tales from the Jayhawk Gridiron. Sports Publishing. The anecdote featuring Bell's number 100, with a picture of Bell's number 100 jersey and straight-toe kicking shoe, can be found on pages 94–96.
  5. "Permian blasts Timon (NY)". September 16, 2006. Retrieved November 12, 2017.
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