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The two sports are also sometimes known as "gridiron football". [1] The name originated with the sport's once-characteristic playing field: the original American football and Canadian football fields were marked by a series of parallel lines along both the width and length of the field, which produced a grid pattern resembling a cross-hatched ...
A football field as seen from behind one end zone. The tall, yellow goal posts mark where the ball must pass for a successful field goal or extra point. The large, rectangular area marked with the team name is the end zone. Football games are played on a rectangular field that measures 120 yards (110 m) long and 53 + 1 ⁄ 3 yards (48.
See also Gridiron football The word derives from the same root as griddle, meaning a "lattice". The original field was marked in a grid of crisscrossed lines; the ball would be snapped in the grid in which it was downed on the previous play. In modern usage, a gridiron is a surface with parallel lines.
A standard football game consists of four 15-minute quarters (12-minute quarters in high-school football and often shorter at lower levels, usually one minute per grade [e.g. 9-minute quarters for freshman games]), [6] with a 12-minute half-time intermission (30 minutes in the Super Bowl) after the second quarter in the NFL (college halftimes are 20 minutes; in high school the interval is 15 ...
"A goal from touch-down." The try/convert is among the oldest parts of the game of gridiron football and dates to its rugby roots. In its earliest days, scoring a touchdown was not the primary objective but a means of getting a free kick at the goal (which is why the name "try", more commonly associated with rugby today, is still used in American football rule books), and thus early scoring ...
The World Football League's football was a distinct orange color, said to be more visible during the night as most of that league's games would be played in the evenings. Prior to the merger, the American Football League 's balls, the J6V (or J6-V / "Cushion Control") and J5V (or J5-V) by Spalding were 1 ⁄ 4 in (0.64 cm) narrower and 1 ⁄ 4 ...
Football officials are commonly, but incorrectly, referred to collectively as referees, but each position has specific duties and a specific name: Common positions include referee (which is the lead member of the officiating team), umpire, head linesman (or down judge), line judge, field judge (or back umpire), side judge, back judge and center ...
In gridiron football, a lineman is a player who specializes in play at the line of scrimmage. The linemen of the team currently in possession of the ball are the offensive line , while linemen on the opposing team are the defensive line .