In sports, a foul is an inappropriate or unfair act by a player as deemed by a referee, usually violating the rules of the sport or game. A foul may be intentional or accidental, and often results in
A player commits a foul by tripping an opponent during an association football match.
The penalty flag, often called a penalty marker, is a yellow cloth used in several field sports including American football, Canadian football, and lacrosse by game officials to identify and sometimes
Officials point at a penalty flag lying on the field.