Play from scrimmage
Encyclopedia
A play from scrimmage is the activity of the games of Canadian football
Canadian football
Canadian football is a form of gridiron football played exclusively in Canada in which two teams of 12 players each compete for territorial control of a field of play long and wide attempting to advance a pointed prolate spheroid ball into the opposing team's scoring area...

 and American football
American football
American football is a sport played between two teams of eleven with the objective of scoring points by advancing the ball into the opposing team's end zone. Known in the United States simply as football, it may also be referred to informally as gridiron football. The ball can be advanced by...

 during which one team tries to advance the ball or to score, and the other team tries to stop them or take the ball away. Once a play is over, and before the next play starts, the football is considered dead. A game of American football (or Canadian Football) consists of many (about 120-150) such plays.

Specifications

The term is also used to denote a specific plan of action, or its execution, under a particular set of circumstances faced by either team. For instance, the offensive team may be faced with one or two downs
Down (football)
A down is a period in which a play transpires in American and Canadian football.-Description:A down begins with a snap or free kick , and ends when the ball or the player in possession of it is declared down by an official, a team scores, or the ball or player in possession of it leaves the field...

 left in a possession and still ten or more yards to go to earn a new set of downs. In this instance, they may decide to employ a forward pass
Forward pass
In several forms of football a forward pass is when the ball is thrown in the direction that the offensive team is trying to move, towards the defensive team's goal line...

. Well in advance of the particular game, a number of different kinds of forward pass
Forward pass
In several forms of football a forward pass is when the ball is thrown in the direction that the offensive team is trying to move, towards the defensive team's goal line...

 plays will have been planned out and practiced by the team. They will be designated by obscure words, letters and/or numbers so that the name of a play does not reveal its exact execution to outsiders. The team's coach, or perhaps the quarterback
Quarterback
Quarterback is a position in American and Canadian football. Quarterbacks are members of the offensive team and line up directly behind the offensive line...

, will choose one of the pre-planned forward pass
Forward pass
In several forms of football a forward pass is when the ball is thrown in the direction that the offensive team is trying to move, towards the defensive team's goal line...

ing strategies, and tell the team, during the huddle
Huddle
In sport, a huddle is when a team gathers together, usually in a tight circle, to strategise, motivate or celebrate. It is a popular strategy for keeping opponents insulated from sensitive information, and acts as a form of insulation when the level of noise in the venue is such that normal...

 which one has been chosen. Because of planning and practice, each player will know what his role in the play is to be, and how to execute it. This will be the offensive play.

Conversely, the defensive team will know that the offense has to cover a good deal of ground in a single play, will expect a forward pass, and will know from earlier study something of the propensities of the offense they face. The defensive captain is likely to call out a specific formation or defensive play, to anticipate and counteract the expected action by the offense.

The play

The play will begin with the snap of the ball (typically but not exclusively to the quarterback
Quarterback
Quarterback is a position in American and Canadian football. Quarterbacks are members of the offensive team and line up directly behind the offensive line...

), and it will end when the effort by the offensive squad to advance the ball has either succeeded in scoring, or has been frustrated by the ball being downed before the aim of the offensive play is accomplished, or by the defensive squad having managed to come into possession of the ball without first downing it. In the event of change of possession during a play, the team newly in possession of the ball may try to advance it toward their opponent's goal, which the team formerly in possession will naturally resist. Change of possession during a routine play may occur by interception or by fumble
Fumble
A fumble in American and Canadian football occurs when a player, who has possession and control of the ball loses it before being downed or scoring. By rule, it is any act other than passing, kicking or successful handing that results in loss of player possession...

.

Change of possession may also occur in other ways. A change of possession can occur "on downs", if the offensive team fails to achieve a first down or a touchdown
Touchdown
A touchdown is a means of scoring in American and Canadian football. Whether running, passing, returning a kickoff or punt, or recovering a turnover, a team scores a touchdown by advancing the ball into the opponent's end zone.-Description:...

 in four attempts. Another way is through a change of possession play, when the offensive team, having surmised the unlikelihood of scoring or achieving a first down within four attempts, kicks the ball away in what is known as a punt
Punt (football)
In some codes of football, a punt is a play in which a player drops the ball and kicks it before it touches the ground. A punt is in contrast to a drop kick, in which the ball touches the ground before being kicked....

. Kickoff
Kickoff (American football)
A kickoff is a method of starting a drive in American football and Canadian football. Typically, a kickoff consists of one team – the "kicking team" – kicking the ball to the opposing team – the "receiving team"...

s and field goal attempt
Field goal (football)
A field goal in American football and Canadian football is a goal that may be scored during general play . Field goals may be scored by a placekick or the now practically extinct drop kick.The drop kick fell out of favor in 1934 when the shape of the ball was changed...

s are not considered true change of possession plays.
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