- Offside A rule that prevents attacking players from being closer to the opponent's goal line than the second-to-last defender when the ball is played to them.
- Offside Detection System An electronic system that helps referees make decisions about offside calls. Semi-automated offside technology typically involves using multiple cameras and computer algorithms to quickly analyze player positions in relation to the ball and the opposing team’s defensive line.
- Olimpico A goal scored directly from a corner kick without the ball touching any other player.
- One-on-OneA situation where one attacker faces off against the goalkeeper.
- One-Two Pass A play in which a player passes the ball and receives it back immediately after a return pass, usually after making a darting run into space.
- Outside the Box A term referring to the area outside of the 16.5m (18 yd) penalty box.
- OutswingA cross that moves away from the goal.
- OutswingerA ball that swings away from the goal.
- Overhead KickStriking the ball while it's in the air, backward over one's own head.
- Overlapping RunA wide player, usually a full-back, running beyond a teammate in possession of the ball.
- OverrunWhen a player lets the ball get too far in front of them.
- Over-the-TopA pass or ball played aerially over the opposition's defense.
- Own Goal When a player puts the ball into his or her own team's net, the goal is considered an own goal (OG). For a goal to be attributed as an own goal in the case of a deflection, the last touch on the ball must change its natural flight.
To Fuel the Passion of the Beautiful Game.
