The following outline is provided as an overview of and topical guide to baseball:

Baseball – bat-and-ball sport played between two teams of nine players each. The aim is to score runs by hitting a thrown ball with a bat and touching a series of four bases arranged at the corners of a ninety-foot diamond.

What type of thing is baseball?

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Exercise – bodily activity that enhances or maintains physical fitness and overall health or wellness.
Game – structured activity, usually undertaken for enjoyment and sometimes used as an educational tool. Games are distinct from work, which is usually carried out for remuneration, and from art, which is more concerned with the expression of ideas. However, the distinction is not clear-cut, and many games are also considered to be work (such as professional sports).
- Ball game – game played with a ball.
  - Bat-and-ball game – field game played by two teams which alternate between "batting" and "fielding" roles. The fielding team defends, so only the batting team may score, but they have equal chances in both roles.
Sport – form of physical activity which, through casual or organised participation, aim to use, maintain or improve physical fitness and provide entertainment to participants.
- Competitive sport – sport in which one or more participants or teams compete against one another. The one that is the most successful in achieving the objective of the game or sport event is the winner.
- Team sport – sport that involves players working together towards a shared objective.
- Recreational sport – sport engaged in as a leisure time activity.
- Spectator sport – sport that is characterized by the presence of spectators, or watchers, at its matches. Spectator sports are a form of entertainment.
- Professional sport – sport in which the athletes receive payment for their performance.

General baseball concepts

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Equipment of the game

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Rules of the game

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Baseball rules
- Balk
- Baseball field
- Baserunning
- Batting out of turn
- Bunt
- Business rules (see The Official Professional Baseball Rules Book)
- Catch
- Defensive substitution
- Designated hitter
- Double switch
- Extra innings
- Fair ball
- Force play
- Forfeit
- Foul ball
- Foul tip
- Fourth out
- Ground rule double
- Ground rules
- Hit
- Hit by pitch
- Home run
- In flight
- Infield fly rule
- Injured list (historically known as "disabled list")
- Inning
- Instant replay in baseball
- Interference
- Invisible runner rule
- Knickerbocker Rules
- Live ball
- Neighborhood play
- Obstruction
- Out
- Pace of play
- Pitch clock
- Pitching position
- Quick pitch
- Rainout
- Run
- Rundown
- Safe
- Strike zone
- Suspended game
- Tag out
- Tag up
- Time of pitch
- Uncaught third strike

History of baseball

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History of baseball
- Origins of baseball

Baseball leagues, teams, and organizations

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Confederation of European Baseball
European Cup
Austrian Baseball League
Vlaamse Baseball en Softball Liga (Belgium)
Ligue Francophone Belge de Baseball-Softball (Belgium)
Ceskomoravska League (Czech Republic)
Croatian Baseball League
Division Élite (France)
Bundesliga (Germany)
British Baseball Federation (Great Britain)
Hellenic Amateur Baseball Federation (Greece)
Danish Baseball Federation
Irish Baseball League
Italian Baseball League
Honkbal Hoofdklasse (Netherlands)
Norway Softball and Baseball Federation
Portuguese Baseball and Softball Federation
Slovak Baseball Federation (Slovakia)
División de Honor de Béisbol (Spain)
Elitserien (Sweden)
Turkish Baseball Softball American Football and Rugby Federation
Federation Baseball Softball Ukraine

Baseball in Asia

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Nippon Professional Baseball (Japan)

Central League

Pacific League

China Baseball League (People's Republic of China)
Korea Professional Baseball (Korea)
Baseball Philippines
Chinese Professional Baseball League (Taiwan)

Baseball in Africa

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African Baseball & Softball Association

Baseball in Oceania

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Australian Baseball League
New Zealand Baseball

Defunct Leagues

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Negro league baseball
- Leagues
  - Negro National League (1920–31)
  - Eastern Colored League (1923–28)
  - American Negro League (1929)
  - Negro Southern League (1920–36), minor league
  - East-West League (1932)
  - Negro National League (1933–48)
  - Negro Southern League (1945–51), minor league
  - Negro American League (1937–60)
- Teams in the Negro leagues^[1]

- - Atlanta Black Crackers (1920–52)
  - Atlantic City Bacharach Giants (1919–34)
  - Baltimore Black Sox (1916–34)
  - Baltimore Elite Giants (1920–50)
  - Birmingham Black Barons (1920–60)
  - Brooklyn Royal Giants (1910–42)
  - Chattanooga Choo-Choos (1940–46)
  - Chicago American Giants (1920–52)
  - Cleveland Buckeyes (1942–50)
  - Cuban Stars (1920–30)
  - Detroit Stars (1920–33, 1937)
  - Hilldale Darbie Daisies (1916–32)
  - Homestead Grays (1929–48)
  - Indianapolis ABCs (1912–26)
  - Indianapolis Clowns (1943–50)
  - Jacksonville Red Caps (1938–42)
  - Kansas City Monarchs (1920–65)
  - Memphis Red Sox (1923–62)
  - New York Black Yankees (1936–48)
  - New York Cubans (1935–50)
  - New York Lincoln Giants (1911–30)
  - Newark Eagles (1933–50)
  - Philadelphia Stars (1934–52)
  - Pittsburgh Crawfords (1931–38)
  - St. Louis Stars (1922–31)

Former Major Leagues
- American Association (1882–91)
- Union Association (1884)
- Players' League (1890)
- Federal League (1914–15)
Cuban League
All-American Girls Professional Baseball League

Baseball publications

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Persons influential in baseball

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Contributors

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List of members of the Baseball Hall of Fame
Ford C. Frick Award, presented annually by the Hall of Fame for excellence in baseball broadcasting (article includes a list of honorees)
BBWAA Career Excellence Award, presented annually by the Baseball Writers' Association of America for excellence in baseball writing (article includes a list of honorees)
Buck O'Neil Lifetime Achievement Award, presented no more often than every three years by the Hall of Fame for outstanding contributions to baseball's image (article includes a list of honorees)
People not directly connected with the sport who nevertheless made a contribution:
- Roger Angell, essayist and Spink Award winner
- Ken Burns, documentarian
- Charles Feltman, inventor of the hot dog
- Bill James, author and statistician
- Michael Lewis, author of Moneyball
- Topps Chewing Gum, producer of baseball cards

Players

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Umpires

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List of Major League Baseball umpires

Managers and Coaches

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Owners

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List of Major League Baseball principal owners

References

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^ Listed are teams in operation for five or more years

External links

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Leagues and organizations

Statistics and game records

News and other resources

BaseballLibrary.com
Baseball Prospectus
Society for American Baseball Research
Baseball PBS documentary directed by Ken Burns
Mister Baseball European baseball news

v t e Baseball and softball concepts
Outline · Glossary
Rules	Rules of baseball Ejections Ground rules Infield fly rule In flight Interference Pitch clock Protested game Strike zone Suspended game Unwritten rules Cheating Comparison of baseball and softball fastpitch softball 16-inch softball
Ballpark/field	Backstop Baseball diamond Batter's box Batter's eye Bullpen Dugout Foul pole Foul territory Infield On-deck circle Outfield Warning track
Equipment	Ball Bat Batting cage Batting glove Batting helmet Cap Doughnut Glove (defense) Pitching machine Protective cup Shin guard Stirrups Uniform Uniform number
Game process	Batting order Innings extra innings Out Positions Run Pace of play
Batting	At bat Baltimore chop Bat flip Batted ball Batting count Batting out of order Bunt sacrifice bunt slap bunt squeeze play Charging the mound Checked swing Cleanup hitter Designated hitter Double Double switch Foul ball Foul tip Golden sombrero Ground rule double Hat trick Hit Hit and run Hit by pitch Hitting for the cycle Home run Grand slam Inside-the-park Walk-off Moonshot Chinese Infield hit Leadoff hitter Lefty-righty switch Line drive Mendoza Line On-deck Plate appearance Platoon system Pull hitter Sacrifice fly Single Strikeout Strike zone Sweet spot Switch hitter Triple Walk
Pitching (softball)	Balk Beanball Breaking ball Brushback pitch Changeup Vulcan changeup Curveball Eephus Emery ball Fastball two-seam four-seam cutter sinker split-finger Full count Immaculate inning Inside pitching Intentional balk Intentional walk Knuckleball Maddux No-hitter Perfect game Pickoff Pitch count Pitching position Pitchout Quick pitch Screwball Shutout Slider Spitball Strikeout Strike zone Striking out the side Time of pitch Wild pitch
Base running	Balk Bases loaded Caught stealing Hit and run Lead off Left on base Obstruction Rundown Safe Scoring position Slide Small ball Squeeze play Stolen base Tag up Tie goes to the runner
Fielding (positioning)	Appeal play Assist Blocking the plate Catch Caught stealing Covering a base Defensive indifference Double play Error Fielder's choice Fifth infielder Force play Fourth out Hidden ball trick In-between hop Infield fly rule Infield shift Interference Neighborhood play Passed ball Pickoff Putout Rundown Tag out Triple play unassisted Uncaught third strike Wall climb Wheel play
Related	Baseball card Baseball statistics Bench jockey Bench-clearing brawl Dead ball Doubleheader Jargon Injured list List of baseball films Pepper Scorekeeping Series Seventh-inning stretch Shagging Sign stealing Slump Streak losing winning Variations of baseball
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What type of thing is baseball?

General baseball concepts

Equipment of the game

Rules of the game

History of baseball

Baseball leagues, teams, and organizations

National team competitions

In North America

Other Latin American Leagues

Baseball in Europe

Baseball in Asia

Baseball in Africa

Baseball in Oceania

Defunct Leagues

Baseball publications

Persons influential in baseball

Contributors

Players

Umpires

Managers and Coaches

Owners

See also

References

External links