NFL Stadiums Terms

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The following claims were verified through Perplexity Sonar before the questions were finalised. The host can reference any of them during play:

• An NFL end zone measures 10 yards deep by 53 ⅓ yards wide, bounded by goal lines, end lines, and sidelines[1][4].
• A team scores three points for a field goal when a placekicker kicks the ball over the crossbar and between the uprights from the field of play[1][4].
• The two-minute warning is an official time-out in the second and fourth quarters when the clock reaches two minutes[3].
• AstroTurf is an artificial grass invented in 1966 by Monsanto Corp. for the indoor Astro Dome because natural grass could not grow inside it[5].
• AstroTurf is no longer used in professional sports stadiums since 2009, having been replaced by newer artificial turf like FieldTurf[5][6].
• The neutral zone is the one-yard area across the width of the field along the line of scrimmage where neither team's players can be before the ball is snapped[3].
• A fumble occurs when the ball carrier loses possession of the ball, making it legal for any player to take over possession[3].
• The huddle is when the offense gathers before each play to coordinate the role of each player during it[3].
• The line to gain is the yard line the offense must reach to get a first down, typically 10 yards from their starting position[3][6].
• Modern stadiums are multifunctional centers used for concerts, cultural events, and other gatherings, not just competition venues[2].