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In baseball, teams alternate between being fielders (defense) and batters (offense). On defense, nine players take up assigned positions on the field with the primary objective of preventing the opposing offense from scoring. The defense is tasked with collecting outs (also called putouts), which remove an opposing player from offensive play until the player’s next turn at bat. After recording three outs, the teams switch roles.

When a team is on offense, it strives to advance its players around the bases to score as many runs as possible, which is most often accomplished by hitting balls into fair territory (on or between the two foul lines) and out of reach of the defense. In Major League Baseball (MLB) and other professional and amateur leagues, a designated hitter (DH) is typically assigned to bat in place of the pitcher but does not take the field on defense.

When both teams have batted, and recorded three outs each, an inning (a division of the game consisting of a turn at bat for each team) is completed. After nine innings, the team with more runs wins the game. If there is a tie after nine innings, extra innings are played.

Explore the roles and responsibilities of the various fielders, batters, managers, and umpires in this interactive, then continue reading below to learn more about the object of the game and how the positions work together.

Defense: the battery, infielders, and outfielders

Fielders can be grouped into three categories: the battery (pitcher and catcher); infielders (first baseman, second baseman, third baseman, and shortstop); and outfielders (left fielder, center fielder, and right fielder).

The pitcher and catcher are core defensive players. The pitcher’s objective is to strategically throw the ball toward home plate with the goal of putting out (or retiring) the batter. The catcher is tasked with catching the pitched balls that are not hit (or those that are tipped) by the batter.

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Most pitchers have three or four types of pitches that they usually throw during a game, such as fastballs, curveballs, sliders, changeups, sinkers, or knuckleballs. Traditionally, the catcher uses a series of finger movements to signal which pitch to throw and where to locate it. At the beginning of the 2022 season, MLB approved the use of PitchCom, a wireless communication system used by catchers, pitchers, and infielders to covertly relay pitch selection information.

Additionally, at the outset of the 2023 season, MLB implemented pitch timer rules to speed the pace of play. The new rules call for a 30-second time limit between batters, a 15-second time limit between pitches when the bases are empty, or a 20-second limit between pitches with runners on base. (For the 2024 season, the time between pitches with runners on base was reduced to 18 seconds.) Batters must be in the batter’s box and prepared to bat with 8 seconds remaining on the pitch timer, and pitchers must start their deliveries before the timer expires. If a pitcher violates the pitch timer rules, the penalty is an automatic ball. If a batter is not prepared in time, the penalty is an automatic strike.

The catcher also functions as a counselor for the pitcher and other fielders. As the only defensive player who has the playing field in front view at all times, the catcher is best placed to communicate with and direct the fielders when necessary. Additionally, the pitcher and catcher work with infielders to discourage base runners from taking a big lead (inching too far from the base they are occupying) or stealing a base (advancing without the benefit of a batted ball or a walk).

Infielders form the inner ring of defense and include middle infielders (second baseman and shortstop) and corner infielders (first baseman and third baseman). Infielders sometimes catch batted balls on the fly, but, when a ball is batted along the ground or bunted, one infielder is called upon to gain control of it, and at least one other infielder typically covers a base to receive the throw and make a putout. Infielders also work with the pitcher and catcher to discourage runners from taking big leads and stealing bases.

Outfielders are positioned so as to best be able to catch or field balls that are batted over or through the infield. Successful outfielders should be able to judge the trajectory of fly balls and have enough speed to run the ball down. Strong throwing arms are also important, as is accuracy in throwing the ball to the appropriate part of the infield.

Offense: batters, base runners, and designated hitters

The batter, positioned in the batter’s box on the first-base or third-base side of home plate, attempts to hit the pitcher’s throw. The batter’s primary goals are to help the offense score runs and to avoid making outs. When the bases are empty, batters strive to reach base safely, advance around the bases (often with the help of hits and walks from subsequent batters), and return to home plate, thus scoring a run. When there are runners occupying bases, the batter attempts to reach base safely and advance the runners around the bases and back to home plate. There are many ways for a batter to get on base and advance any runners occupying bases, but the most common ways are by drawing a walk, hitting a ball into fair territory and out of the reach of the fielders, or hitting a home run (a hit that enables the batter to circle all the bases and score a run).

Base runners are batters who have reached a base successfully and occupy first, second, or third base. The goal of a base runner is to advance around the bases and score a run. Base runners can attempt to advance to the next base when the batter has hit the ball into play or try to steal a base.

A designated hitter is a player who is assigned to bat in place of the pitcher but does not take the field on defense. Designated hitters are specialists who excel at reaching base safely, hitting for power, and advancing base runners. The rule allowing for designated hitters was adopted by MLB’s American League in 1973 and by the National League in 2022.

Managers

A baseball manager serves as the head coach and is responsible for the day-to-day activity of a team, overseeing player training, and making strategic decisions during a game. The manager sets pitching rotations and batting lineups and counsels players during training sessions and games. As the leader of the coaching staff and players, the manager is often the most prominent and visible representative of the team.

On offense, managers are assisted by two on-field coaches, the first-base coach and the third-base coach. Both are responsible for relaying signals from the dugout to batters and base runners. The first-base coach is tasked with signaling whether a runner should stop at first or continue running to second base, and a third-base coach is responsible for signaling a runner to stop at second or third base or to keep running. The first-base coach also helps base runners determine an appropriate time to steal a base and alerts runners when the pitcher or catcher attempts to put them out with a pickoff throw.

Umpires

Umpires are officials who conduct the play of a baseball game, enforce its rules, and handle disciplinary actions. The home-plate umpire (also called the umpire in chief) is in charge of officiating the game and works with the base umpires, stationed near first, second, and third base, to make calls and render decisions on plays during the game. The home-plate umpire is primarily responsible for calling balls and strikes on the batter and calling runners safe or out at home plate. The home-plate umpire and base umpires may call hit balls foul (beyond the foul lines) or fair (on or within the foul lines). An umpire may also appeal to fellow umpires for assistance in reviewing a play.

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baseball, game played with a bat, a ball, and gloves between two teams of nine players each on a field with four white bases laid out in a diamond (i.e., a square oriented so that its diagonal line is vertical). Teams alternate positions as batters (offense) and fielders (defense), exchanging places when three members of the batting team are “put out.” As batters, players try to hit the ball out of the reach of the fielding team and make a complete circuit around the bases for a “run.” The team that scores the most runs in nine innings (times at bat) wins the game.

(Learn about a 21st-century innovation in baseball equipment in What Are Torpedo Bats?)

A national pastime

The United States is credited with developing several popular sports, including some (such as baseball, gridiron football, and basketball) that have large fan bases and, to varying degrees, have been adopted internationally. But baseball, despite the spread of the game throughout the globe and the growing influence of Asian and Latin American leagues and players, is the sport that Americans still recognize as their “national pastime.” The game has long been woven into the fabric of American life and identity. “It’s our game,” exclaimed the poet Walt Whitman more than a century ago, “that’s the chief fact in connection with it: America’s game.” He went on to explain that baseball

has the snap, go, fling of the American atmosphere—it belongs as much to our institutions, fits into them as significantly, as our constitutions, laws: is just as important in the sum total of our historic life. It is the place where memory gathers.

Perhaps Whitman exaggerated baseball’s importance to and its congruency with life in the United States, but few would argue the contrary, that baseball has been merely a simple or an occasional diversion.

Serena Williams poses with the Daphne Akhurst Trophy after winning the Women's Singles final against Venus Williams of the United States on day 13 of the 2017 Australian Open at Melbourne Park on January 28, 2017 in Melbourne, Australia. (tennis, sports)
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It was nationalistic sentiment that helped to make baseball “America’s game.” In the quest to obtain greater cultural autonomy, Americans yearned for a sport they could claim as exclusively their own. Just as the English had cricket and the Germans their turnvereins (gymnastic clubs), a sporting newspaper declared as early as 1857 that Americans should have a “game that could be termed a ‘Native American Sport.’ ” A powerful confirmation of baseball as the sport to fill that need came in 1907 when a special commission appointed by A.G. Spalding, a sporting goods magnate who had formerly been a star pitcher and an executive with a baseball team, reported that baseball owed absolutely nothing to England and the children’s game of rounders. Instead, the commission claimed that, to the best of its knowledge (a knowledge based on flimsy research and self-serving logic), baseball had been invented by Abner Doubleday at Cooperstown, New York, in 1839. This origin myth was perpetuated for decades.

In a country comprising a multiplicity of ethnic and religious groups, one without a monarchy, an aristocracy, or a long and mythic past, the experience of playing, watching, and talking about baseball games became one of the nation’s great common denominators. It provided, in the perceptive words of British novelist Virginia Woolf, “a centre, a meeting place for the divers activities of a people whom a vast continent isolates [and] whom no tradition controls.” No matter where one lived, the “hit-and-run,” the “double play,” and the “sacrifice bunt” were carried out the same way. The unifying power of baseball in the United States was evident in the Depression-ravaged 1930s, when a group of Cooperstown’s businessmen along with officials from the major leagues established the National Baseball Hall of Fame and Museum. The Hall of Fame became a quasi-religious shrine for many Americans, and, since its founding, millions of fans have made “pilgrimages” to Cooperstown, where they have observed the “relics”—old bats, balls, and uniforms—of bygone heroes.

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Baseball also reshaped the nation’s calendar. With the rise of industrialization, the standardized clock time of the office or factory robbed people of the earlier experience of time in its rich associations with the daylight hours, the natural rhythms of the seasons, and the traditional church calendar. Yet, for Americans, the opening of the baseball training season signaled the arrival of spring, regular-season play meant summer, and the World Series marked the arrival of fall. In the winter, baseball fans participated in “hot stove leagues,” reminiscing about past games and greats and speculating about what the next season had to offer.

The World Series, inaugurated in 1903 and pitting the champions of the American and National Leagues in a postseason play-off, quickly took its place alongside the Fourth of July and Christmas as one of the most popular annual rites. The series was, said Everybody’s Magazine in 1911, “the very quintessence and consummation of the Most Perfect Thing in America.” Each fall it absorbed the entire nation.

Baseball terms and phrases, such as “He threw me a curve,” “Her presentation covered all the bases,” and “He’s really out in left field,” soon became part of the national vocabulary, so entrenched is baseball in the ordinary conversation of Americans. During the administration of President George H.W. Bush, a baseball player during his years at Yale University, the foreign press struggled to translate the president’s routine use of baseball metaphors. As early as the 1850s, baseball images began to appear in periodicals, and, in the 20th century, popular illustrator Norman Rockwell often used baseball as the subject for his The Saturday Evening Post covers. “Casey at the Bat” and “Take Me Out to the Ballgame” remain among the best-known poems and songs, respectively, among Americans. Novelists and filmmakers frequently have turned to baseball motifs. After the mid-20th century, at the very time baseball at the grassroots level had begun a perceptible descent, baseball fiction proliferated. American colleges and universities even began to offer courses on baseball literature, and baseball films likewise proliferated. In 1994 the Public Broadcasting System released Ken Burns’s nostalgic Baseball, arguably the most monumental historical television documentary ever made.

While baseball possessed enormous integrative powers, the game’s history also has been interwoven with and reflective of major social and cultural cleavages. Until the first decades of the 20th century, middle-class Evangelical Protestants viewed the sport with profound suspicion. They associated baseball, or at least the professional version of the game, with ne’er-do-wells, immigrants, the working class, drinking, gambling, and general rowdiness. Conversely, these very qualities provided a foothold for the upward ascent of ethnic groups from the nation’s ghettos. Usually encountering less discrimination in baseball (as well as in other venues of commercial entertainment) than they did in the more “respectable” occupations, in the 19th century Irish and German Americans were so conspicuous in professional baseball that some observers wondered if they had a special capacity for playing the game.

For a brief time in the 1880s, before racial segregation became the norm in the United States, Black players competed with white players in professional baseball. After that period, however, Black players had to carve out a separate world of baseball. Dozens of Black teams faced local semiprofessional teams while barnstorming throughout the United States, Canada, Mexico, and the Caribbean. Despite playing a high quality of baseball, the players frequently engaged in various forms of clowning that perpetuated prevailing stereotypes of Black people to appeal to spectators. From the 1920s until the ’50s, separate Black professional leagues—the Negro leagues—existed as well, but in 1947 Jackie Robinson crossed the long-standing color bar in major league baseball. Because baseball was the national game, its racial integration was of enormous symbolic importance in the United States; indeed, it preceded the U.S. Supreme Court’s decision ending racial segregation in the schools (in 1954 in Brown v. Board of Education of Topeka) and helped to usher in the civil rights movement of the 1950s and ’60s. Moreover, in the 1980s and ’90s a huge influx of Hispanics into professional baseball reflected the country’s changing ethnic composition.

Baseball likewise contributed to the shaping of American conceptions of gender roles. Although women were playing baseball as early as the 1860s, their involvement in the sport was confined for the most part to the role of spectator. To counter the game’s reputation for rowdiness, baseball promoters took pains to encourage women to attend. “The presence of an assemblage of ladies purifies the moral atmosphere of a baseball gathering,” reported the Baseball Chronicle, “repressing as it does, all the out-burst of intemperate language which the excitement of a contest so frequently induces.” When women played on barnstorming teams in the 19th and the first half of the 20th century, the press routinely referred to them as “Amazons,” “freaks,” or “frauds.” In 1943, during World War II, when it was feared that professional baseball might be forced to close down, the All-American Girls Professional Baseball League made its debut. After having provided more than 600 women an opportunity to play baseball and to entertain several million fans, the league folded in 1954.

But, even if unable to heal conflicts arising from fundamental social divisions, baseball exhibited an extraordinary capacity for fostering ties. In the 1850s, young artisans and clerks, frequently displaced in the city and finding their way of life changing rapidly in the midst of the Industrial Revolution, conceived of themselves as members of what was known as the “base ball fraternity.” Like the volunteer fire departments and militia units of the day, they donned special uniforms, developed their own rituals, and, in playing baseball, shared powerful common experiences. Playing and watching baseball contests also strengthened occupational, ethnic, and racial identities. Butchers, typesetters, draymen, bricklayers, and even clergymen organized baseball clubs. So did Irish Americans, German Americans, and African Americans.

Professional baseball nourished and deepened urban identities. “If we are ahead of the big city [New York] in nothing else,” crowed the Brooklyn Eagle as early as 1862, “we can beat her in baseball.” Fans invested their emotions in their professional representative nines. “A deep gloom settled over the city,” reported a Chicago newspaper in 1875 after the local White Stockings had been defeated by the St. Louis (Missouri) Brown Stockings. “Friends refused to recognize friends, lovers became estranged, and business was suspended.” Even in the late 20th century, in an age more given to cynicism, the successes and failures of professional teams continued to evoke strong feelings among local residents. For example, during the 1990s, after having experienced urban decay and demoralization in the previous two decades, Cleveland experienced a great civic revival fueled in part by the success of the Indians baseball team.

The significance of specific baseball teams and individual players extended beyond the localities that they represented. The New York Yankees, who in the first half of the 20th century were the quintessential representatives of the big city, of the East, of urban America with its sophistication, and of ethnic and religious heterogeneity, became synonymous with supernal success, while the St. Louis Cardinals emerged as the quintessential champions of the Midwest, of small towns and the farms, of rural America with its simplicity, rusticity, and old-stock Protestant homogeneity. In the 1920s Babe Ruth became the diamond’s colossal demigod. To those toiling on assembly lines or sitting at their desks in corporate bureaucracies, Ruth embodied America’s continuing faith in upward social mobility. His mighty home runs furnished vivid proof that men remained masters of their own destinies and that they could still rise from mean, vulgar beginnings to fame and fortune. For African Americans, Black stars such as Satchel Paige and Josh Gibson furnished equally compelling models of individual inspiration and success.

Baseball parks became important local civic monuments and repositories of collective memories. The first parks had been jerry-built, flimsy wooden structures, but between 1909 and 1923 some 15 major league clubs constructed new, more permanent parks of steel and concrete. These edifices were akin to the great public buildings, skyscrapers, and railway terminals of the day; local residents proudly pointed to them as evidence of their city’s size and its achievements.

Seeing them as retreats from the noise, dirt, and squalor of the industrial city, the owners gave the first parks pastoral names—Ebbets Field, Sportsman’s Park, and the Polo Grounds—but, with the construction of symmetrical, multisports facilities in the 1960s and ’70s, urban and futuristic names such as Astrodome and Kingdome predominated. In a new park-building era in the 1990s, designers sought to recapture the ambience of earlier times by designing “retro parks,” a term that was something of an oxymoron in that, while the new parks offered the fan the intimacy of the old-time parks, they simultaneously provided modern conveniences such as escalators, climate-controlled lounges, high-tech audiovisual systems, Disneyesque play areas for children, and space for numerous retail outlets. The increasing corporate influence on the game was reflected in park names such as Network Associates Stadium and Bank One Ballpark.

After about the mid-20th century, baseball’s claim to being America’s game rested on more precarious foundations than in the past. The sport faced potent competition, not only from other professional sports (especially gridiron football) but even more from a massive conversion of Americans from public to private, at-home diversions. Attendance as a percentage of population fell at all levels of baseball, the minor leagues became a shell of their former selves, and hundreds of semipro and amateur teams folded. In the 1990s, player strikes, free agency, disparities in competition, and the rising cost of attending games added to the woes of major league baseball. Yet, baseball continued to exhibit a remarkable resiliency; attendance at professional games improved, and attendance at minor league games was close to World War II records by the end of the century. As the 21st century opened, baseball still faced serious problems, but the sport was gaining in popularity around the world, and a strong case could still be made for baseball holding a special place in the hearts and minds of the American people.

Benjamin G. Rader
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