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Zone defense is a type of defensive system, used in team sports, which is the alternative to man-to-man defense; instead of each player guarding a corresponding player on the other team, each defensive player is given an area (a zone) to cover.
A zone defense can be used in many sports where defensive players guard players on the other team. Zone defenses and zone principles are commonly used in association football, American football, Australian rules football, basketball, ice hockey, lacrosse, netball and ultimate among others.
The names given to zone defenses start with the number of players on the front of the zone (farthest from the goal) followed by the numbers of players in the rear zones. For example, in a 2–3 zone two defenders cover areas in the top of the zone (near the top of the key) while three defenders cover areas near the baseline. [1]
Match-up zone is a hybrid man-to-man and zone defense in which players apply man-to-man defense to whichever opposing player enters their area. John Chaney, former head coach of Temple University, is the most famous proponent of this defense. [2] Hybrid defenses also include Box-and-one, in which four defenders are in a 2–2 zone and one defender guards a specific player on the offense. A variant of this is triangle-and-two, in which three defenders are in a 2–1 zone and two defenders guard two specific offensive players.
Zone defenses are common in international, college, and youth competition. In the National Basketball Association, zone defenses were prohibited until the 2001–2002 season. The introduction of zone defenses faced resistance from players, including Michael Jordan. Jordan is quoted as saying, ``If teams were able to play zone defenses, he said, he never would have had the career he did." [3] Other great players, such as Tim Duncan, Kevin Garnett, and Tracy McGrady have also confirmed that zone defenses made scoring more difficult compared to the 1990s NBA. [4] The defensive three-second violation rule made it a little more difficult for teams to play zone, since such defenses usually position a player in the middle of the key to stop penetration, but teams adapted by teaching bigs to quickly exit and re-enter the paint, and by running schemes that legally reset the three-second timer. [5]
A zone defense in American football is a type of "pass coverage". See American football defensive strategy and zone blocking.
The zone defence tactic, borrowed from basketball, was introduced into Australian football in the late 1980s by Robert Walls and revolutionized the game. It was used most effectively by Essendon Football Club coach Kevin Sheedy.
The tactic is used from the fullback kick in after a behind is scored. The side in opposition to the player kicking in places their forward players, including their full-forward and centre half forward, in evenly spaced zones in the back 50-metre arc. This makes it easier for them to block leading players and forces the kick-in to be more precise, in effect increasing the margin for error which can cause a turnover and another shot at goal. As a result, the best ways to break the zone are for the full-back to bomb it long (over 50 meters), often requiring a low percentage torpedo punt, or to play a short chipping game out of defence and then to switch play as opposition players break the zone. The latter has negated the effectiveness of the tactic since the 1990s.
Another kick-in technique is the huddle , often used before the zone, which involves all of the players from the non-kicking team huddling together and then breaking in different directions. The kicker typically aims in whichever direction the designated target (typically the ruckman) runs in.
In ice hockey, players defend zones in the neutral zone trap and left wing lock.
In lacrosse, a zone defense is not as often as the normal man defense. It has been used effectively at the D-III level by schools such as Wesleyan University. They almost always use a 6-man “backer” zone, where they have three guys up top and three guys down low and they try to stay in their zone and not rotate as much as possible. [6] When teams are man down, many teams employ a “box and one” zone defense, where the four outside players stay in their designated zone while the fifth player follows the ball while staying on the crease man. [7]
Netball is a sport similar to basketball with similar strategies and tactics employed, although with seven players per team. Zone defense is one of the main defensive strategies employed by teams, along with one-on-one defense. Common variants include center-court block, box-and-two zone, diamond-and-two zone, box-out zone and split-circle zone. [8]
Linebacker (LB) is a playing position in gridiron football. Linebackers are members of the defensive team, and typically line up three to five yards behind the line of scrimmage and the defensive linemen, playing closer to the line of scrimmage than the defensive backs (secondary).
Team tactics as well as individual skills are integral for playing association football. In theory, association football is a very simple game, as illustrated by Kevin Keegan's namely assertion that his tactics for winning a match were to "score more goals than the opposition". Tactical prowess within the sport is nonetheless a craftsmanship of its own, and one of the reasons why managers are paid well on the elite level. Well-organised and ready teams are often seen beating teams with more skillful players on paper. Manuals and books generally cover not only individual skills but tactics as well.
In gridiron football, blitzing is a tactic used by the defense to disrupt pass attempts by the offense. During a blitz, a higher than usual number of defensive players will rush the opposing quarterback, in an attempt either to tackle them or force them to hurry their pass attempt.
Strategy plays a crucial role in American football. Both teams carefully plan various aspects of their gameplay in an effort to win. This includes deciding on formations, selecting players for specific positions, and assigning roles and instructions to each player on offense and defense.
A formation in American football refers to the position players line up in before the start of a down. There are both offensive and defensive formations and there are many formations in both categories. Sometimes, formations are referred to as packages.
Man-to-man defense, or man defense, is a type of defensive system used in team sports such as American football, association football, basketball and netball, as in which each player is assigned to defend and follow the movements of a single player on offense. Often, a player guards his counterpart, but a player may be assigned to guard a different position. However, the strategy is not rigid, and a player might switch assignment if needed, or leave his own assignment for a moment to double team an offensive player. The term is commonly used in both men's and women's sports. The alternative to man-to-man defense is zone defense, a system of defense in which each player guards an assigned area rather than a specified opponent.
Box-and-one defense is a type of defense used in basketball. The box-and-one defense is a hybrid between a man-to-man defense and a zone defense.
In sports, a starting lineup is an official list of the set of players who will participate in the event when the game begins. The players in the starting lineup are commonly referred to as starters, whereas the others are substitutes or bench players.
In sports strategy, running out the clock is the practice of a winning team allowing the clock to expire through a series of preselected plays, either to preserve a lead or hasten the end of a one-sided contest. Such measures expend time but do not otherwise have a tactical purpose. This is usually done by a team that is winning by a slim margin near the end of a game, in order to reduce the time available for the opposing team to score. Generally, it is the opposite strategy of running up the score.
This glossary of basketball terms is a list of definitions of terms used in the game of basketball. Like any other major sport, basketball features its own extensive vocabulary of unique words and phrases used by players, coaches, sports journalists, commentators, and fans.
In American football, the specific role that a player takes on the field is referred to as their "position". Under the modern rules of American football, both teams are allowed 11 players on the field at one time and have "unlimited free substitutions", meaning that they may change any number of players during any "dead ball" situation. This has resulted in the development of three task-specific "platoons" of players within any single team: the offense, the defense, and "special teams". Within these three separate "platoons", various positions exist depending on the jobs that the players are doing.
Basketball coaching is the act of directing and strategizing the behavior of a basketball team or individual basketball player. Basketball coaching typically encompasses the improvement of individual and team offensive and defensive skills, as well as overall physical conditioning. Coaches also have the responsibility to improve their team by player development, strategy, and in-game management. Coaches also teach and inspire their team to be their best.
The triangle-and-two defense is a particular type of defense used in basketball.
Zone coverage is a defensive scheme in gridiron football used to protect against the pass.
The game of lacrosse is played using a combination of offensive and defensive strategies. Offensively, the objective of the game is to score by shooting the ball into an opponent's goal, using the lacrosse stick to catch, carry, and pass the ball. Defensively, the objective is to keep the opposing team from scoring and to dispossess them of the ball through the use of stick checking and body contact or positioning.
The following terms are used in American football, both conventional and indoor. Some of these terms are also in use in Canadian football; for a list of terms unique to that code, see Glossary of Canadian football.
The 1–3–1 defense and offense is a popular strategy used in basketball.
There are various individual skills and team tactics that are required to play Australian rules football effectively. These are dictated by tradition and the sport's laws.
Line defense is a strategy used in basketball. It is referred to as the "line defense" because of its formation on the court, which consists of two lines of defense. Three players at the front of the defense and two players behind. The line was the first zone concept to be used in basketball. The line defense was developed to counter the fast break plays that were being developed, and adopted, at the time. The line defense was the catalyst of the future 3-2 zone defense.
Basketball is a ball game and team sport in which two teams of five players try to score points by throwing or "shooting" a ball through the top of a basketball hoop while following a set of rules. Since being developed by James Naismith as a non-contact game that almost anyone can play, basketball has undergone many different rule variations, eventually evolving into the NBA-style game known today. Basketball is one of the most popular and widely viewed sports in the world.