Outline of baseball

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?

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

Equipment of the game

Rules of the game

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

History of baseball
- Origins of baseball

Baseball leagues, teams, and organizations

National team competitions

In North America

Major League Baseball

Other Latin American Leagues

Baseball in Europe

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 publications

Persons influential in baseball

Contributors

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