Quarterback - Wikipedia
https://en.wikipedia.org/wiki/Quarterback
All imagesWikipediaHTTPSen.wikipedia.org/wiki/QuarterbackQuarterback - WikipediaThe quarterback (commonly abbreviated "QB"), colloquially known as the "signal caller", is a position in gridiron football. Quarterbacks are members of the offensive platoon and mostly line up directly behind the offensive line. In modern American football, the quarterback is usually considered the leader of the offense, and is often responsible for calling the play in the h… See more
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