Who Gets to Wear What Number?
 

Every football player's uniform has a number on it that is unique for that particular team, making it simpler for fans, coaches, announcers, and officials to differentiate between players. On April 5, 1973, a jersey-numbering system was adopted by the NFL where each position on the football field is given a range of numbers for each player at that position to choose from, however, there are a few players around the league that are exceptions to the rule. This chart explains which number ranges are assigned to each position.

1-9 Quarterbacks and Kickers
10-19 Quarterbacks, Receivers, and Kickers
20-49 Running Backs and Defensive Backs
50-59 Centers and Linebackers
60-79 Defensive Linemen and Offensive Linemen
80-89 Receivers and Tight Ends
90-99 Defensive Linemen and Linebackers
 
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Teams Within Teams
 

A football team has teams within the team for a specific job during the game!

Each game features two teams playing against each other.
• Each team is allowed 11 men on the field at a time. Any more than 11 could result in a penalty.
• Unlimited substitution is permitted, but players may only enter the field when the ball is dead.
• Each team is comprised of an offense, defense, and special teams.

• If team A has possession of the ball, they use their offensive team to attempt to advance the ball toward the opponents endzone.
• If team B has the ball, team A will use their defensive team to attempt to stop team B from advancing the ball.
• If a kicking play is expected, both teams will use their special teams.
 
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Scoring Breakdown
 
  Touchdown 6 points
  Extra Point Conversion 1 point
  Two-Point Conversion 2 points
  Field Goal 3 points
  Safety 2 points

Touchdown
The main objective for an offense, every time they take possession of the ball, is to score a touchdown. To score a touchdown, a player must carry the ball across the opposition's goal line, or catch a pass in the end zone. Once the ball crosses the plane of the goal line while it is in a player's possession, it is scored a touchdown. A touchdown is worth six points.

Once a team scores a touchdown is given the bonus of atempting to add one or two more points. This play is called anextra point conversion attempts.


Extra Point Conversion
(Also know as a PAT- P oint A fter A ttempt)
2 Point Conversion
If a team chooses to go for two extra points, they will line up at the two-yard line and make one attempt at either running or passing the ball into the end zone. If they make it, they are awarded two points. If they fail, they are awarded no extra points.
They can also elect to go for just one extra point by kicking the ball through the goal posts from the two-yard line.
Field Goal
A team can score by kicking a field goal.

When a team finds themselves in a fourth-down situation, they can attempt to kick a field goal if they feel they are close enough for their kicker to kick the football between the upright bars of the goal post in the opponent's endzone. A field goal is worth three points.


Safety
A team can also pick up two points by tackling an opponent possessing the ball in their own end zone.
 
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How a Football Field is Laid Out
 

Learning the exact dimensions of the field is not necessarily that important, but it is good to have a basic knowledge of the field itself.

• The playing field is 100 yards long.
• It has stripes running across the field at five-yard intervals.
• There are shorter lines, called hash marks, marking each one-yard interval.
• On each end of the playing field is an end zone (red section with diagonal lines) which extends ten yards.
• The total field is 120 yards long and 160 feet wide.
• Located on the very back line of each end zone is a goal post .
• The spot where the end zone meets the playing field is called the goal line.
• The yardage from the goal line is marked at ten-yard intervals, up to the 50-yard line, which is in the center of the field.

After reaching the 50-yard line, the yardage markers start to descend (40, 30, 20, 10) every ten yards until they reach the opposite goal line.

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