The 3-point line now defines modern NBA offense, but the shot itself was rejected by the NBA for years, borrowed from a rival league that folded, and then largely ignored by most teams for roughly two more decades after it was finally adopted. The actual path from gimmick to dominant strategy is a lot more specific, and more recent, than most fans assume.

Who actually invented it, and why the NBA didn’t want it

The 3-point shot wasn’t an NBA invention. The American Basketball League introduced it first, briefly, in 1961, and the American Basketball Association, the NBA’s flashier, more experimental rival league founded in 1967, adopted it as a signature part of its faster, higher-scoring style of play, explicitly as a way to differentiate itself from the more conservative NBA product. NBA executives at the time were reportedly skeptical the shot added genuine strategic value, viewing it more as a gimmick suited to the ABA’s showmanship-first identity than a serious tactical addition to professional basketball. That skepticism held for over a decade, through the ABA’s entire existence, before circumstances forced the NBA’s hand.

Why the NBA actually adopted it: a merger, not a strategic conversion

The NBA didn’t adopt the 3-point line because it became convinced of its tactical value. It adopted it because the ABA folded in 1976 and four of its teams, the Indiana Pacers, Denver Nuggets, San Antonio Spurs, and New York Nets, merged into the NBA. Absorbing ABA teams, players, and a fanbase already accustomed to the 3-point shot created real practical and commercial pressure to bring the rule over, and the NBA formally adopted the 3-point line for the 1979-80 season, three years after the merger, not immediately alongside it. Chris Ford of the Boston Celtics is generally credited with making the first 3-point shot in NBA history, in the league’s second game of that inaugural season.

The NBA’s 3-point line exists today because a rival league folded and merged four teams in, not because the NBA’s own decision-makers were convinced by the shot’s strategic value. That conviction took nearly four more decades to actually arrive.

The two-decade stretch where almost nobody actually used it

Adoption of the rule didn’t mean adoption of the strategy. For roughly the first two decades after 1979-80, most NBA teams treated the 3-point shot as a situational, occasional weapon, useful for a specific player or a late-game comeback attempt, rather than a core offensive building block. League-wide 3-point attempt rates stayed relatively low through the 1980s and 1990s, and most offensive systems continued prioritizing mid-range jump shots and post-up play inside the arc as the primary scoring foundation, largely because the shot’s real value hadn’t yet been properly analyzed against the actual points-per-possession math.

What actually changed: the math got taken seriously

The shift that eventually made the 3-pointer central to NBA offense came from analytics departments applying basic expected-value math that had been available the entire time but wasn’t systematically used by teams until later. A 3-point shot only needs to be made roughly 33% of the time to match the point-per-shot value of a 50%-shooting 2-point attempt, and it needs to be made even less often than that to match the value of many contested mid-range 2-point attempts specifically, since mid-range shots typically carry lower conversion rates than shots taken closer to the basket. Once front offices and coaching staffs actually built their offensive systems around that math rather than around traditional shot-selection habits, 3-point attempt rates rose sharply and consistently through the 2010s. The analytics-driven shift is also directly connected to why so many modern offenses deliberately avoid the mid-range shot almost entirely, favoring either a 3-point attempt or a shot taken very close to the rim, since the math says the traditional mid-range jumper is a comparatively inefficient shot sitting between two better options.

Stephen Curry’s specific role in accelerating the shift

While the analytics case for 3-point shooting predates any single player, Stephen Curry’s individual performance, particularly the Golden State Warriors’ championship runs starting in the mid-2010s, is widely credited with making the strategic shift visible and undeniable to the broader basketball world in a way spreadsheets alone hadn’t. Curry demonstrated that a team could win at the highest level by building an entire offensive system around high-volume, high-accuracy 3-point shooting rather than treating it as a supplementary weapon, and his individual influence on the sport’s shot selection is frequently cited by coaches and analysts as a genuine inflection point separate from, though reinforcing, the underlying analytics case that had already existed for years before his rise.

Common misconceptions about the shot’s history

A frequent misconception is that the NBA invented the 3-point shot as a deliberate strategic innovation. It borrowed the rule from a rival league it was actually skeptical of, under merger pressure rather than tactical conviction. Another common misunderstanding is that the shot immediately reshaped NBA offense once adopted in 1979. In reality it sat as a situational, underused tool for roughly two more decades before analytics-driven shot selection actually made it central to how modern teams build their offenses.

Frequently asked questions

Did the NBA invent the 3-point shot?
No. The American Basketball League briefly used it in 1961, and the rival American Basketball Association adopted it as a signature feature before the NBA did, in 1979.

Why did the NBA finally adopt the 3-point line?
The rival ABA folded in 1976 and four of its teams merged into the NBA, creating practical and commercial pressure to adopt a rule those absorbed teams and fans were already used to.

Who made the first 3-point shot in NBA history?
Chris Ford of the Boston Celtics, in the league’s second game of the 1979-80 season, the first season the rule was in effect.

Why did it take so long for teams to actually rely on 3-point shooting?
Most teams treated it as a situational tool for roughly two decades after adoption, until analytics departments applied points-per-possession math showing it was frequently a more efficient shot than the traditional mid-range jumper.

For more on how data has reshaped basketball strategy more broadly, see the analytics revolution that changed basketball more than any rule change has. More coverage like this lives in our Basketball archive and the broader Sports desk.