|No. of teams||11|
|New York Nets (2nd title)|
|Most titles||Indiana Pacers (3 titles)|
The original American Basketball Association (ABA) was a men's professional basketball league, from 1967 to 1976. The ABA ceased to exist with the American Basketball Association–National Basketball Association merger in 1976, leading to several teams joining the National Basketball Association and to the introduction of the 3-point shot in the NBA in 1979.
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The ABA was conceived at a time stretching from 1960 through the mid-1970s when numerous upstart leagues were challenging, with varying degrees of success, the established major professional sports leagues in the United States. Basketball was seen as particularly vulnerable to a challenge; its major league, the National Basketball Association, was the youngest of the Big Four major leagues, having only played 21 seasons to that point, and was still fending off contemporary challenging leagues (it had been less than five years since the American Basketball League (ABL) shut down). According to one of the owners of the Indiana Pacers, its goal was to force a merger with the more established league. Potential investors were told that they could get an ABA team for half of what it cost to get an NBA expansion team at the time. When the merger occurred, ABA officials said their investment would more than double.
The ABA distinguished itself from its older counterpart with a more wide-open, flashy style of offensive play, as well as differences in rules—a 30-second shot clock (as opposed to the NBA's 24-second clock, though the ABA did switch to the 24 second shot clock for the 1975–76 season) and use of a three-point field goal arc, pioneered in the earlier ABL. Also, the ABA used a colorful red, white and blue ball, instead of the NBA's traditional orange ball. The ABA also had several "regional" franchises, such as the Virginia Squires and Carolina Cougars, that played "home" games in several cities.
The ABA also went after four of the best referees in the NBA: Earl Strom, John Vanak, Norm Drucker and Joe Gushue, getting them to "jump" leagues by offering them far more in money and benefits. In Earl Strom's memoir Calling the Shots, Strom conveys both the heady sense of being courted by a rival league with money to burn—and also the depression that set in the next year when he began refereeing in the ABA, with less prominent players performing in inadequate arenas, in front of very small crowds. Nevertheless, the emergence of the ABA boosted the salaries of referees just as it did the salaries of players.
The freewheeling style of the ABA eventually caught on with fans, but the lack of a national television contract and protracted financial losses would spell doom for the ABA as an independent circuit. In 1976, its last year of existence, the ABA pioneered the now-popular slam dunk contest at its all-star game in Denver.
The league succeeded in forcing a merger with the NBA in the 1976 offseason. Four ABA teams were absorbed into the older league: the New York Nets, Denver Nuggets, Indiana Pacers, and San Antonio Spurs. As part of the merger agreement, the four teams were not permitted to participate in the 1976 NBA Draft. The merger was particularly hard on the Nets; the New York Knicks were firmly established in their arena, Madison Square Garden, and would not permit the Nets to share dates there. For drawing audience away from the Knicks, the Nets were forced to pay $4.3M to the Knicks organization. The Nets offered league superstar Julius Erving instead but the Knicks declined. The Nets had to settle for an arena in Piscataway, New Jersey and, to meet expenses, were forced to sell the contract of Erving to the Philadelphia 76ers.
Two other clubs, the Kentucky Colonels and the Spirits of St. Louis, were disbanded upon the merger, with each getting a buyout: the Colonels received a one-time buyout that owner John Y. Brown, Jr. used to purchase the NBA's Buffalo Braves, while the Spirits owners negotiated a cut of the other ABA teams' television revenues in perpetuity. This deal netted the ownership group of the Spirits over $300M through nearly four decades due to a large increase in television revenues. In 2014, the NBA and the Spirits ownership agreed to phase out future payments in exchange for a one-time payment of $500M, making the total value for the deal over $800M. The seventh remaining team, the Virginia Squires, received nothing, as they had ceased operations shortly before the merger. The players from the Colonels, Spirits, and Squires were made available to NBA teams through a dispersal draft; the four teams absorbed by the NBA were allowed to choose players from this draft.
One of the more significant long-term contributions of the ABA to professional basketball was to tap into markets in the southeast that had been collegiate basketball hotbeds (including North Carolina, Virginia, and Kentucky). The NBA was focused on the urban areas of the Northeast, Midwest and West Coast. At the time, it showed no interest in placing a team south of Washington, D.C, other than the Atlanta metropolitan area where the NBA's Hawks franchise relocated from St. Louis in 1968.
- George Mikan 1967–1969
- James Carson Gardner 1969 (interim)
- Jack Dolph 1969–1972
- Bob Carlson 1972–1973
- Mike Storen 1973–74
- Tedd Munchak 1974–75
- Dave DeBusschere 1975–76
NBA great George Mikan was the first commissioner of the ABA, where he introduced both the 3-point line and the league's trademark red, white and blue basketball. Mikan resigned in 1969. Dave DeBusschere, one of the stars of the New York Knicks championship teams, moved from his job as Vice President and GM of the ABA's New York Nets in 1975 to become the last commissioner of the ABA and facilitate the ABA–NBA merger in 1976.
Spencer Haywood Hardship Rule
One of the primary contributions of the ABA to modern NBA was the introduction of the Spencer Haywood Hardship Rule, which would later become the framework for the current NBA draft eligibility system that allows players to declare for the NBA after being one year removed from their high school graduation. The origin of the Hardship Rule was a result of the NBA prohibiting players from joining the league until they had completed their four years of college eligibility. The ABA was a league that frequently made up rules on the fly and was willing to push the envelope and determine the implications of the rules later.
In 1969, Spencer Haywood left the University of Detroit as a sophomore and signed with the Denver Rockets.  The ABA believed that in extenuating circumstances, such as financial situation or familial needs, players should be able to leave for professional leagues early. While the NBA and NCAA initially contested the rule, after the courts ruled in favor of Haywood playing in the ABA, the NBA followed suit and relaxed the four year rule to allow for players to enter the league if they qualified as a hardship on the basis of “financial condition…family, [or] academic record.” Haywood paved the way for other players to enter the ABA before they had completed their collegiate careers such as George McGinnis and Julius Erving. Today, the one-and-done rule in the NBA can be traced back to the ABA's decision to allow players to leave college early and pursue a professional career before they had completed their collegiate careers.
Slam Dunk Contest
The ABA pioneered the advent of the now popular NBA slam dunk contest at the ABA All Star game in 1976. The game was held in Denver, and the owners of the ABA teams wanted to ensure that the event would be entertaining for the sellout crowd of 15,021 people. The ABA and NBA had begun to discuss a possible merger, and the ABA owners wanted to establish the viability and success of their league. The Dunk Contest operated as a means of unique halftime entertainment that displayed the style and excitement that the ABA players brought to the game. The dunk contest was held at halftime of the All-Star game and the contestants were Artis Gilmore, George Gervin, David Thompson, Larry Kenon, and Julius Erving. The winner of the contest received $1,000 and a stereo system. Julius Erving went on to win the competition by completing the now famous free throw line dunk.
Of the original 11 teams, only the Kentucky Colonels and Indiana Pacers remained for all nine seasons without relocating, changing team names, or folding. However, the Denver Larks/Rockets/Nuggets, a team that had been assigned to Kansas City, Missouri, moved to Denver without playing a game in Kansas City due to the lack of a suitable arena. In addition to the four surviving ABA teams, eight current NBA markets have ABA heritage: Utah, Dallas, Houston, Miami, New Orleans, Memphis, Minnesota and Charlotte all had an ABA team before the NBA arrived.
Los Angeles Stars
|Anaheim Amigos||1967–1968||Folded, 1975 |
NBA relocated New Orleans Jazz to Utah as Utah Jazz in 1979.
|Los Angeles Stars||1968–1970|
San Antonio Spurs
|Dallas Chaparrals||1967–1970||Joined the NBA, 1976, as San Antonio Spurs|
NBA added a franchise in Dallas (Mavericks) in 1980.
|San Antonio Spurs||1973–1976|
Spirits of St. Louis
|Houston Mavericks||1967–1969||Folded, 1976|
NBA relocated San Diego Rockets to Houston as Houston Rockets in 1971.
NBA added a franchise in Charlotte (Hornets) in 1988.
|Spirits of St. Louis||1974–1976|
|Indiana Pacers||Indiana Pacers||1967–1976||Joined NBA, 1976, as Indiana Pacers|
Denver Larks /Rockets /Nuggets
|Kansas City (unnamed)||1967||Joined the NBA, 1976, as Denver Nuggets|
|Kentucky Colonels||Kentucky Colonels||1967–1976||Folded, 1976|
|Minnesota Muskies||1967–1968||Folded, 1972|
NBA added a franchise in Miami (Heat) in 1988.
NBA added a franchise in Minnesota (Timberwolves) in 1989.
|New Orleans /Louisiana Buccaneers
Memphis Pros /Tams /Sounds
Baltimore Hustlers /Claws
|New Orleans Buccaneers||1967–1970||Folded, 1975|
NBA relocated Charlotte Hornets to New Orleans as New Orleans Hornets (now New Orleans Pelicans) in 2002.
NBA relocated Vancouver Grizzlies to Memphis as Memphis Grizzlies in 2000.
|New York/New Jersey Americans
New York Nets
|New York Americans||1967||Joined NBA, 1976, with name changes to reflect move to New Jersey (1977) and currently Brooklyn Nets (2012).|
|New Jersey Americans||1967–1968|
|New York Nets||1968–1976|
|Oakland Americans||1967||Folded, 1976|
NBA relocated San Francisco Warriors to Oakland as Golden State Warriors in 1971.
NBA relocated Baltimore Bullets to Washington as Capital Bullets (now Washington Wizards) in 1973.
|Pittsburgh Pipers /Pioneers /Condors
|Pittsburgh Pipers||1967–1968||Folded, 1972 |
NBA added a franchise in Minnesota (Timberwolves) in 1989.
|San Diego Conquistadors /Sails||San Diego Conquistadors||1972–1975||Folded, 1975|
NBA operated in San Diego from 1967 to 1971 with the San Diego Rockets (now the Houston Rockets) and from 1978 to 1984 with the San Diego Clippers (now the Los Angeles Clippers).
|San Diego Sails||1975|
List of ABA championships
|Year||Western Division champion||Games||Eastern Division champion||Playoffs MVP|
|1967–68||New Orleans Buccaneers||3–4||Pittsburgh Pipers||Connie Hawkins C, Pittsburgh|
|1968–69||Oakland Oaks||4–1||Indiana Pacers||Warren Jabali G, Oakland|
|1969–70||Los Angeles Stars||2–4||Indiana Pacers||Roger Brown F/G, Indiana|
|1970–71||Utah Stars||4–3||Kentucky Colonels||Zelmo Beaty C, Utah|
|1971–72||Indiana Pacers||4–2||New York Nets||Freddie Lewis G, Indiana|
|1972–73||Indiana Pacers||4–3||Kentucky Colonels||George McGinnis F/C, Indiana|
|1973–74||Utah Stars||1–4||New York Nets||Julius Erving F, New York|
|1974–75||Indiana Pacers||1–4||Kentucky Colonels||Artis Gilmore C, Kentucky|
With the ABA cut down to seven teams by the middle of its final season, the league abandoned divisional play.
|1975–76||New York Nets||4–2||Denver Nuggets||Julius Erving F, New York|
- Marvin Barnes
- Rick Barry
- Zelmo Beaty
- Ron Boone
- John Brisker
- Hubie Brown
- Larry Brown
- Roger Brown
- Don Buse
- Mack Calvin
- Darel Carrier
- Jim Chones
- Billy Cunningham
- Louie Dampier
- Mel Daniels
- Julius "Dr. J" Erving
- Donnie Freeman
- George "Ice Man" Gervin
- Artis Gilmore
- Jerry Harkness
- Connie Hawkins
- Spencer Haywood
- Dan Issel
- Warren Jabali
- Bobby Jones
- Jimmy Jones
- Larry Jones
- Larry Kenon
- Freddie Lewis
- Maurice Lucas
- Moses Malone
- George McGinnis
- Doug Moe
- Bob Netolicky
- Johnny Neumann
- Billy Paultz
- Charlie Scott
- James Silas
- David "Skywalker" Thompson
- George Thompson
- Fly Williams
- Willie Wise
|*||Elected to the Naismith Memorial Basketball Hall of Fame|
|Connie Hawkins*||Pittsburgh Pipers||70||1875||26.8|
|Rick Barry*||Oakland Oaks||35||1190||34.0|
|Spencer Haywood*||Denver Rockets||84||2519||30.0|
|Dan Issel*||Kentucky Colonels||83||2480||29.9|
|Charlie Scott*||Virginia Squires||73||2524||34.6|
|Julius Erving*||Virginia Squires||71||2268||31.9|
|Julius Erving* (2)||New York Nets||84||2299||27.4|
|George McGinnis*||Indiana Pacers||79||2353||29.8|
|Julius Erving* (3)||New York Nets||84||2462||29.3|
|Mel Daniels*||Minnesota Muskies||78||502||711||1213||15.6|
|Mel Daniels* (2)||Indiana Pacers||76||383||873||1256||16.5|
|Spencer Haywood*||Denver Rockets||84||533||1104||1637||19.5|
|Mel Daniels* (3)||Indiana Pacers||82||394||1081||1475||18.0|
|Artis Gilmore*||Kentucky Colonels||84||421||1070||1491||17.8|
|Artis Gilmore* (2)||Kentucky Colonels||84||449||1027||1476||17.6|
|Artis Gilmore* (3)||Kentucky Colonels||84||478||1060||1538||18.3|
|Swen Nater||San Antonio Spurs||78||369||910||1279||16.4|
|Artis Gilmore* (4)||Kentucky Colonels||84||402||901||1303||15.5|
|Larry Brown*||New Orleans Buccaneers||78||506||6.5|
|Larry Brown* (2)||Oakland Oaks||77||544||7.1|
|Larry Brown* (3)||Washington Caps||82||580||7.1|
|Bill Melchionni||New York Nets||81||672||8.3|
|Bill Melchionni (2)||New York Nets||80||669||8.4|
|Bill Melchionni (3)||New York Nets||61||453||7.4|
|Al Smith||Denver Rockets||76||619||8.1|
|Mack Calvin||Denver Nuggets||74||570||7.7|
|Don Buse||Indiana Pacers||84||689||8.2|
|Ted McClain||Denver Rockets||84||250||2.98|
|Brian Taylor||New York Nets||79||221||2.80|
|Don Buse||Indiana Pacers||84||346||4.12|
|Caldwell Jones||San Diego Conquistadors||79||316||4.00|
|Caldwell Jones (2)||San Diego Conquistadors||76||246||3.24|
|Billy Paultz||San Antonio Spurs||83||253||3.05|
Awards and broadcasters
In 1999, a new league calling itself the ABA 2000 was established. The new league uses a similar red, white and blue basketball as the old ABA, but unlike the original ABA, it does not feature players of similar caliber to the NBA, nor does it play games in major arenas or on television as the original ABA did.
- American Basketball Association (2000–present)
- List of defunct sports leagues
- Loose Balls, written by Terry Pluto
- Semi-Pro, a comedy about the ABA starring Will Ferrell, of the fictional Flint Tropics
- World Hockey Association, another league that intended to compete with its professional counterpart, the NHL
- American Football League
- The Official NBA Basketball Encyclopedia. Villard Books. 1994. p. 180. ISBN 0-679-43293-0.
- The History of the 3-Pointer, USA Basketball, Ryan Wood, June 15, 2011.
- Burke, Monte. "The NBA Finally Puts An End To The Greatest Sports Deal Of All Time". Forbes. Retrieved 2016-12-11.
- Sports Encyclopedia
- "ESPN Classic: Mikan was first pro to dominate the post". Retrieved 2007-12-04.
- "Dave DeBusschere Bio". NBA.com. Archived from the original on 11 April 2008. Retrieved 2008-03-09.
- "NBA Draft Rules". DraftSite.com. Retrieved 2018-05-04.
- Pluto, Terry (2007). Loose balls : the short, wildlife of the American Basketball Association (1st ed.). New York: Simon & Schuster Paperbacks. ISBN 141654061X. OCLC 153578380.
- Rhoden, William C. (2016-06-29). "Early Entry? One and Done? Thank Spencer Haywood for the Privilege". The New York Times. ISSN 0362-4331. Retrieved 2018-05-02.
- "Spencer Haywood: Denver's greatest forgotten star". The Denver Post. Retrieved 2018-05-02.
- Larry Schwartz (November 19, 2003). "NBA modifies "four-year rule" for hardship". ESPN Classic. Retrieved 2018-05-02.
- "The One That Started It All". www.nba.com. Retrieved 2018-05-02.
- "The ABA is long gone, but it remains the soul of the NBA". Washington Post. Retrieved 2018-05-04.
- Official ABA Guides, 1967–1976.
- RememberTheABA.com ABA All-Time Team Page (as selected at 30 year ABA anniversary event)