Center (American football)

Center (C) is a position in American football and Canadian 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 (or "snaps") the ball between his legs to the quarterback at the start of each play.

the positioning of a center in an offensive formation.

Creed Humphrey Prepares For A Snap

Besides that centers protect the quarterback and block for the running back during a play.

Positions in American football and Canadian football
Offense			Defense			Special teams
Linemen	Guard, Tackle, Center		Linemen	Tackle, End, Nose tackle		Kicking players	Placekicker, Punter, Kickoff specialist
Quarterback			Linebackers			Snapping	Long snapper, Holder
Backs	Halfback, Fullback, H-back		Backs	Cornerback, Safety		Returning	Punt returner, Kick returner
Receivers	Wide receiver, Tight end, Slotback			Nickelback, Dimeback		Tackling	Gunner
Formations - Nomenclature