In gridiron football, a guard (G), otherwise known as an offensive guard (OG), is a player who lines up between the center and the tackles on the offensive line of a football team on the line of scrimmage used primarily for blocking. ... Guards are to the right or left of the center.
What does the C stand for in the NFL?
In 2007, the NFL instituted a program that allowed each team to designate up to six captains per season. Chosen players are regularly honored with a "C" on their jerseys, and stars on the patch are filled in for each year of service as a captain.Sep 22, 2016