Understanding Player Gravity in Basketball
“Gravity” is a concept that analytics-minded coaches and commentators have been discussing for years, but no major stats site has quantified it into a single number. Our Gravity Score does exactly that: it measures how much a player warps the opposing defense simply by being on the court.
Stephen Curry is the classic example. Even when Curry doesn't have the ball, defenders track him across the court, leaving driving lanes and open threes for his teammates. This off-ball impact is invisible in traditional box scores but enormous in real life. Our formula captures it by weighting scoring volume (defenders must respect the scoring threat), three-point accuracy (defenders can't sag off), and free-throw efficiency (hacking isn't a viable strategy).
The floor-spacing penalty is critical. A player like Giannis Antetokounmpo scores at an elite rate, but because his three-point shooting is below 30%, defenders can afford to pack the paint. This reduces his off-ball gravity compared to someone like Kevin Durant, who demands attention everywhere on the court.
Why Gravity Matters for Team Building
Modern NBA front offices think in terms of gravity when constructing lineups. A lineup with multiple high-gravity players creates cascading defensive breakdowns. Each defender faces impossible choices: help on the drive or stay home on the shooter? Double the post or guard the perimeter? High-gravity lineups turn every possession into an advantage.
“Open Looks Created” Metric
We estimate how many open looks each player generates for teammates by combining their assist numbers with their gravity multiplier. A player with 6 APG and high gravity creates more open looks than a player with 6 APG and low gravity, because defenders are pulled further out of position.
Frequently Asked Questions
What is Player Gravity in basketball?
Player Gravity measures how much defensive attention a player commands. High-gravity players force defenders to shade toward them, creating open opportunities for teammates. It's a concept popularized by analytics but never quantified into a single number until now.
Why does three-point shooting matter for gravity?
If a player can't shoot threes effectively (below 30%), defenders can sag off and clog driving lanes. Three-point shooting extends the defensive coverage area, forcing defenders to guard a larger space and creating more gaps in the defense.
What is the floor spacing penalty?
The floor spacing penalty reduces a player's gravity score if their shooting profile allows defenders to sag off. Players with sub-30% three-point shooting or rim-runners with low perimeter accuracy receive penalties because defenders don't need to guard them at the three-point line.
Who has the highest gravity in NBA history?
While our current rankings focus on active players, Stephen Curry is widely considered the highest-gravity player in NBA history. His ability to pull defenders beyond the three-point line revolutionized how defenses approach off-ball coverage.
Can I download this data?
Yes! Use the CSV or JSON export buttons above the table to download the complete gravity score dataset for your own analysis, content creation, or research.