* Basketball Since its inception, the game of basketball has witnessed many changes in the laws of play in general and the number of players for each team in particular.  In the beginning, there were no rules determining the number of players that make up the basketball team and who could participate in the match, as the basketball team during the founding period of the game consisted of nine players for each team, meaning a total of eighteen players, which is the number of the class that Dr. Naismith was coaching  The inventor of the game, but a law was put in place that determines the number of key players on the pitch for each team in 1897;

 As the number of key players in each team includes five main players on the field.

 & The number of reserve players for each team can be a maximum of seven players according to the rules of the International Basketball Federation;  That is, the total of the team, including the main players and the substitute players, must be twelve players only, one of whom is chosen as the team leader, and one of the reserve players can be replaced by one of the main players in the basketball match when the referee allows the substitute player to enter the field so that this player becomes one of the main players for  For his team, and it must be noted that during breaks between game periods all team members are treated as if they were players.

 * The initial laws on which the game was founded did not allow the player who left the field to return to him again, but in 1920 AD that rule was changed to allow the player to return to the match once by switching him to a main player, then this was changed in the world in 1934  The player who participates once in the match is allowed to return twice to the field by switching him again, and the basketball player has become able to participate an unlimited number of times through his substitution, in accordance with the law that was approved in 1945.

 * Players' positions in basketball are something that should not be restricted, as in some other sports, such as baseball, for example.  The players' centers and their positions in the basketball game are part of a plan so that the players are aware and know their duties and their positions on the field, and the players of the basketball team are distributed across five centers, which are as follows:

 * Back attack player: (English: Point Guard), the player of this site is distinguished by his great dribbling ability as he is usually the best dribbling player in the team, and the back attacker pays fouls in addition to his confrontation with the back attack player of the opposing team.

 * A goal-shooting defender: (English: Shooting Guard), a defender-center player has the ability to shoot balls from long distances, and the best players of the team are usually placed in this location.

 * Small Forward player: The player in this position has the ability to score points from distances close to or even far from the basket, and the small-body attacking player plays against the opponent's attackers, regardless of their physical strength, and he moves through parts  The stadium.

 * The midfielder: (English: Center), the midfielder is distinguished by his tallness, and is usually the tallest player in the team, and he plays near his team's basket, and this player plays different roles;  In defense, the midfielder prevents the opposing team from recovering the balls that did not enter the basket before they try to enter it again,

 * In the offensive line, the midfielder tries to score points in case of fouls.  The strong-bodied offensive player: (English: Power Forward), the player in this position plays a lot of roles assigned to the midfield player, but he has the ability to shoot balls from long distances.