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One thing that made me curious while watching a football game on TV was the numbers that appear on the ground. For instance, there's a "1st & 10" beside one team, but there was a "3rd & 6" a few minutes prior (and I think it was beside the other team). What do these numbers mean?

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"1st" is the down. In crude terms, a "down" is when a play occurs. A play takes place when a team attempts to advance the ball from its current spot.

"10" is the number of yards needed to obtain a new series of downs (thus, "restarting" at 1st down).

In a possible scenario based on your question: On 3rd (down) and 6 (yards), Team A may have gained 7 yards (re: the first point under Rule 7, Section 3, Article 1 - see below). Thus, Team A is beyond the number of yards needed to obtain a new series of downs. As a result, Team A has 1st (down) and 10 (yards).


As a starting point, Rule 3, Section 9, Article 5 of the 2016 NFL Rulebook defines a first down:

The initial down in each series is the First Down. If it is a charged down, subsequent charged downs are numbered consecutively (i.e., second down, third down, or fourth down) until a new series is declared for either team.

How is a new series declared? Rule 7, Section 3, Articles 1 and 2 describe how for both teams.

ARTICLE 1. NEW SERIES FOR TEAM A

A new series of four scrimmage downs is awarded to Team A when the following conditions exist:

  • During a given series, the ball is declared dead in possession of Team A while at or beyond the line to gain

  • Enforcement of a foul by Team B results in the placement of the ball at or beyond the line to gain, or if the enforcement of a foul awards an automatic first down to Team A

  • If there is a change of possession during the down, and Team A has possession at the end of the down

  • The kicking team recovers a scrimmage kick anywhere in the field of play after it first has been touched beyond the line of scrimmage by the receivers.

  • The kicking team legally recovers a free kick.

ARTICLE 2. NEW SERIES FOR TEAM B

A new series of four scrimmage downs is awarded to Team B when the following conditions exist:

  • Team A fails to advance the ball to the line to gain during a series of downs; or

  • There is a change of possession during the down, and Team B has possession at the end of the down, or has been awarded possession at the end of the down; or

  • When the ball is declared dead in possession of the receiving team after a free kick, scrimmage kick, or fair-catch kick.

protected by Nij Jun 30 '18 at 10:04

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