Basketball vs Basketball (NCAA Men) — Same Game, Different Rules

The NBA maintains a comprehensive concussion management program developed in collaboration with the National Basketball Players Association (NBPA).

NCAA medical observers and team medical staff have authority to remove a player from the game for actual or suspected concussion. Removed players are subject to a graduated return-to-play assessment before being cleared for subsequent competition.

Flagrant Foul 1 (unnecessary contact): Contact that is unnecessary but not excessive. Penalty: 2 free throws and possession for the offended team. The play is reviewable by officials and the Replay Center.; Flagrant Foul 2 (unnecessary and excessive contact): Contact that is both unnecessary and ...

Flagrant 1: excessive contact, not directed at the head/neck — 2 free throws + possession; remains in game; Flagrant 2: dangerous or intentional contact, contact to the head/neck/face — 2 free throws + possession + ejection; Replay review used to confirm flagrant fouls

Out of bounds: The ball is out of bounds when it touches the floor, a player, or any object on or outside the boundary line. Possession is awarded to the opposing team of the player who last touched the ball.; Backcourt violation (over and back): Once the ball is established in the frontcourt, th...

Traveling, double dribble, carrying, goaltending, basket interference; Out of bounds: ball awarded to the opposing team at the point closest to where it went out; 5-second closely-guarded, 10-second backcourt, 3-second lane violations

A personal foul is illegal physical contact by a player against an opponent. Personal fouls include holding, pushing, charging, blocking, hand-checking, and illegal screens.

A player is disqualified ("fouls out") after committing 5 personal fouls; Common personal fouls: blocking, charging, pushing, holding, hand-checking, illegal screen; Shooting fouls: 2 or 3 free throws depending on the foul location; and-one if the basket counts

The official NBA game ball is manufactured by Wilson (replacing Spalding beginning with the 2021-2022 season).

Men's ball: size 7, circumference 29.5 inches (74.9 cm), weight 22 oz (623 g); NCAA-approved/NFHS-spec leather or composite cover; orange color standard; Basket: 18-inch diameter ring at 10 feet (3.05 m) height

The NBA playing court is a rectangular, flat, hard surface with the following dimensions: Length: 94 feet (28.65 m); Width: 50 feet (15.24 m); Surface: Hardwood (typically maple), sanded and finished to provide consistent ball bounce and player traction. All NBA courts are indoor facilities with ...

Team bench seating along one sideline with the scoring/timing table opposite. Coach's box defined for the head coach with a 28-foot designated coaching area extending from the baseline.

An NBA game consists of four 12-minute quarters, for a total of 48 minutes of regulation play. The game clock stops for dead balls, fouls, violations, timeouts, and other stoppages, meaning actual elapsed time is significantly longer (typically 2 to 2.5 hours).

The game begins with a jump ball at the center circle. Subsequent jump-ball situations are resolved by the alternating-possession rule — the arrow indicates which team gets possession.

The player who last controls the ball on a successful shot attempt is credited with the field goal or free throw. If a player tips in a teammate's missed shot, the tipping player is credited with the basket.

Field goal inside the three-point arc: 2 points; Field goal beyond the three-point arc: 3 points; Free throw: 1 point

Each team is entitled to one Coach's Challenge per game. A coach may challenge a personal foul called on their team, a goaltending or basket interference call, or an out-of-bounds call.

NCAA medical observers and team medical staff have authority to remove a player from the game for actual or suspected concussion. Removed players are subject to a graduated return-to-play assessment before being cleared for subsequent competition.

Jump ball: Each game and overtime period begins with a jump ball at center court. Two opposing players stand inside the center circle, and the referee tosses the ball upward between them. Each jumper may tap the ball after it reaches its highest point.; Alternating possession: After the opening j...

The game begins with a jump ball at the center circle. Subsequent jump-ball situations are resolved by the alternating-possession rule — the arrow indicates which team gets possession.

Each NBA team carries a roster of up to 15 players during the regular season, with an additional two-way contract slots (up to 2 players who split time between the NBA team and its G League affiliate). On game day, teams designate 13 active player...

5 players on the court per team at any time; Roster: typically 13-15 players for NCAA D1 men's basketball; Substitutions: unlimited, made at dead-ball stoppages on the scorer's signal

Unsportsmanlike conduct: Taunting, excessive arguing with officials, using profanity, or engaging in actions that disrespect the game; Delay of game: Interfering with the ball after a made basket, failing to immediately pass the ball to the nearest official after a violation; Illegal defense: His...

Class A unsporting (taunting, fighting, profanity): 2 free throws + possession to the opposing team; 2 in a game = ejection; Class B (delay-of-game, illegal substitution, hanging on rim without play continuation): 1 free throw + possession; Class C (administrative — coach conduct, scorebook error...