The rules, in 5 minutes
Everything you need to watch a basketball game tonight.
Basketball is the easiest pro sport to understand: ball goes in hoop, you get points. But there's a layer of rules under that which decides who wins close games. This is the layer.
The point of the game
Two teams of five. Each team tries to put the ball through the other team's hoop. Whoever has more points after four 12-minute quarters wins. NBA quarters take ~30 real-life minutes each, so a game is about 2.5 hours.
How points work
- 2 points — any shot made from inside the three-point line.
- 3 points — any shot made from outside the three-point line (the curved line about 24 feet from the hoop).
- 1 point — a free throw. You get free throws when the other team fouls you while you're shooting.
The shot clock (this is the secret of basketball)
The team with the ball has 24 seconds to shoot. If they don't get a shot off, the other team gets the ball. This is why basketball never feels slow — every possession is a 24-second timer.
Fouls (and why they matter)
A foul is illegal contact — pushing, grabbing, hitting. A regular foul costs you nothing except getting whistled. But two things compound:
- Personal fouls. Each player gets 6 before they're disqualified for the rest of the game ('fouling out'). Star players play scared once they have 4.
- Team fouls. Each team gets 5 fouls per quarter for free. After that, every additional foul = the other team shoots free throws. This is called being 'in the bonus' or 'in the penalty'.
The five positions
The player who runs the offense — usually the smallest, fastest player. Steve Nash, Stephen Curry. Modern PGs both shoot AND set up teammates.
Usually the team's best perimeter scorer. James Harden. Shai Gilgeous-Alexander.
The most versatile position — defends multiple positions, scores in multiple ways. LeBron James, Jayson Tatum, Kawhi Leonard.
The 'big' who can also shoot. Kevin Durant, Anthony Davis.
The biggest player on the team. Guards the rim. Sets screens. Joel Embiid, Nikola Jokic.
A few more terms
Most-used play in basketball. One player blocks the defender so the other can drive or shoot. We have a whole lesson on this — it's the engine of the modern NBA.
When one player hits 10+ in three categories (points, rebounds, assists usually). It's like getting an A in three classes in the same week.
When you score AND get fouled at the same time. You make the basket and get a free throw. Crowd loses it.
Short for isolation. Everyone clears out so one guy can try to score one-on-one. The most dramatic moment in the sport.
"Every NBA game is a 48-minute argument about who's the alpha tonight."
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