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51Tight end — Example of tight end positioning in an offensive formation …
52Ambient music — Stylistic origins Electronic art music Minimalist music Drone music[1] Psychedelic rock Krautrock Space rock Frippertronics Cultural origins …
53Dead ball — For the Japanese film, see Deadball. Dead ball is a phenomenon in many sports in which the ball is deemed temporarily not playable, and no movement may be made with it or the players from their respective positions of significance. Depending on… …
54Hurry-up offense — The hurry up offense is an American football offensive style which has two different but related forms in which the offensive team avoids delays between plays. The no huddle offense refers to avoiding or shortening the huddle to limit or disrupt… …
55Nickelback (American football) — This article is about the American football position. For the Canadian rock band, see Nickelback. A nickel defense with three cornerbacks, lined up against an offense playing three wide receivers In American football, a nickelback is a cornerback …
56Football helmet — A football helmet A is a protective device used primarily in American football and Canadian football. It consists of a hard plastic top with thick padding on the inside, a facemask made of one or more plastic bars, and a chinstrap. Some players… …
57Lineman (American football) — A diagram of the linemen, with defensive linemen (in 4 3 formation) in red and offensive linemen in green. In American football, a lineman is a player who specializes in play at the line of scrimmage. The linemen of the team currently in… …
58Gridiron football — An American Football field. The Canadian field (below) differs slightly in dimensions and design, but is quite similar, as shown below. The numbers on the field indicate the number of yards to the nearest end zone …
59Option offense — Morris Knolls High school running an option offense The option offense is a generic term that is used to describe a wide variety of offensive systems in American football. Option offenses are characterized as such due to the predominance of… …
60Fútbol americano — Partido de fútbol americano entre los Tennessee Titans y los Chicago Bears e …
