The sum of solo tackles and one-half of the sum of assisted tackles should roughly equal the sum of the opposing offense's running plays and completed passes minus the offense's touchdowns  roughly equivalent because scrimmage plays can end without a tackle, including a lost fumble and an interception, and there are ...

The word is used in some contact variations of football to describe the act of physically holding or wrestling a player to the ground. In others, it simply describes one or more methods of contesting for possession of the ball. It can therefore be used as both a defensive or attacking move.