: Led by the quarterback , who calls plays and directs the unit. It includes the offensive line (blockers), running backs , wide receivers , and tight ends .
Teams utilize a "platoon system," switching between three specialized units: american football
: The offense moves the ball by running (usually a handoff to a running back) or passing (the quarterback throws the ball to a receiver). : Led by the quarterback , who calls
: The team without the ball tries to stop the offense's advance by tackling the ball carrier, intercepting passes, or forcing fumbles to gain possession. Player Units and Positions : The team without the ball tries to
American football, commonly referred to as in the United States and Canada, is a team sport played by two teams of 11 players on a rectangular field. It is the most popular sport in the United States, with professional and college football attracting millions of viewers and establishing it as a "cultural powerhouse". Core Gameplay and Objective
: Deployed for kicking situations, such as kickoffs , punts , and field goal attempts. Major Leagues and Structures