The shot clock was introduced to the NBA in 1954 by Danny Biasone to speed up the game and end the endless stalling possessions that were killing the spectacle. It's now the global standard across FIBA and NBA.
The principle: the moment a team gains possession, the 24-second shot clock starts. If no shot touching the rim is attempted before time expires, it's a violation and the opponent gets the ball.
In NBA and FIBA, the shot clock resets to 14 seconds after an offensive rebound (not 24). This rule, adopted in 2018, rewards offensive boards without padding game length.
The shot clock is central to late-game management. Knowing you have 8 vs 18 seconds completely changes the call: quick iso vs structured set. A good team manages the shot clock like a second scoreboard.
Real example
5 seconds left on the shot clock: the point guard must rush up a shot, even contested, to avoid a violation.
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