How many times can a player be changed in an NBA game?

The substitution of each player should be completed within 20 seconds, and the number of substitutions is unlimited. The time to exchange players is when someone fouls, fights for the ball, calls a timeout, etc. The referee can temporarily suspend the timing of the game.

The following are the detailed rules:

1. Competition method

There are five people in a team, one of whom is the captain and at most seven substitutes, but the number can be increased according to the organizer. The game is divided into two halves, 20 minutes each, with intermission.

10 minutes. At the end of the game, if the two teams have the same points, overtime will be played for 5 minutes. If the score is still the same after 5 minutes, a 5-minute overtime will be played again until the tie is broken.

2. Fraction type

After the ball is thrown into the basket and approved by the referee, it is counted as a score. 3 points can be scored for the inner input of the branch line; You can get 3 points for shooting outside the three-point line and 1 point for free throws.

3. Way of proceeding

At the beginning of the game, each team pushes a jumper to the central jumper area, the referee throws the ball, and the jumpers from both sides start the game. Throw a foul ball.

4. Player replacement

The substitution of each player should be completed within 20 seconds, and the number of substitutions is unlimited. The time to exchange players is when someone fouls, fights for the ball, calls a timeout, etc. The referee can temporarily suspend the timing of the game.

5. Free throw

Each player has four chances to be allowed to foul, and the fifth time he leaves the field. And cannot be played again in the same game. Free throw is shooting when no one can stop or defend it. It is a punishment for the offending party and an opportunity for the opposing party. Stand behind the free throw line and shoot within 5 seconds after receiving the referee's ball. After shooting, you can't cross the free throw line before the ball touches the basket.

lawbreaking

It can be roughly divided into (1) common violations, such as walking with the ball, dribbling twice, kicking the ball or hitting the ball with your fist. (2) jump ball violation, (3) jump ball violation: the jumper can enter the central jump ball area before the jumper touches the ball.

30-second rule

-The attacker must shoot within 30 seconds (24 seconds in NBA and 35 seconds in NCAA) when he is in possession of the ball on the court.

10 second rule

-The team must control the ball from the backcourt and get the ball into the frontcourt (the opposing half) within 10 seconds.

Five-second rule

-After holding the ball, the player must throw the foul ball within 5 seconds. FIBA rules stipulate that free throws must also be made within 5 seconds (NBA rules are 10 seconds).

3-second rule

-Fouls caused by physical contact with opponents, such as disputes with referees.

personal foul

-foul caused by physical contact with the other party.

technical foul

-A player or coach is fouled for poor performance, such as an argument with the referee.

Cancel the game knowledge foul

-The player made a foul action that did not reflect the sportsmanship, such as hitting someone. When this happens, the player should be sent off immediately.

Five fouls by athletes

-No matter personal or technical fouls, players must leave the field for a total of 5 fouls (6 according to NBA regulations) and are not allowed to play any more games.

Contrary to the usual practice

-Violation of rules that are neither personal nor technical. The main violations are: illegal dribbling; Take the ball away; 3 seconds violation; Get the ball out of bounds.

Thank you:)