In gridiron football, the long snapper is a center on special teams whose duty is to snap the football over a longer distance, typically around 15 yards during punts, and 7–8 yards during field goals and conversion attempts.
A long snapper (91, foreground) practicing field goal snaps with his position coach (background)
In the traditional or "cup" punt formation, the long snapper is the center of the interior line (#58 in blue)
Traditional field goal formation with the long snapper in the center
Center (gridiron football)
Center or centre (C) is a position in American football. The center is the innermost lineman of the offensive line on a football team's offense. The center is also the player who passes the ball between his legs to the quarterback at the start of each play.
Jason Kelce (No. 62) prepares to snap the football to Philadelphia Eagles quarterback Carson Wentz in a 2017 game
Center Bum Day
Center Ryan Kelly prepares to snap to Andrew Luck