Possession (sports) determined by several methods, including a coin flip (American football and cricket), home team status (baseball), or by giving the teams an equal opportunity to physically take possession; this may be called a dropped-ball (association football), a ball-up (Australian rules football), a jump ball (basketball), or a face-off (hockey). In some timed sports, the team with possession may try to "run time off the clock" by keeping the ball and not attempting to score, in order to deny the opposing team possession. A shot clock speeds gameplay by requiring teams to attempt to score within a certain period of time
Dead ball football" Each end of a rugby league field has a dead ball line, when the ball (or player in possession) crosses or touches this line, the ball is said to have gone dead. This results in a goal line drop out if the defending team had caused the ball to go dead; otherwise, a 20-metre restart ensues. Dead ball Dead ball is a term in many ball sports in which the ball is deemed temporarily not playable, and no movement may be made with it or the players from their respective positions of significance. Depending on the sport, this event