American League in the context of "MLB"

The New York Mets are an American professional baseball team based in the New York City borough of Queens. The Mets compete in Major League Baseball (MLB) as a member club of the National League (NL) East Division. They are one of two major league clubs based in New York City alongside the American League (AL)'s New York Yankees. One of baseball's first expansion teams, the Mets were founded in 1962 to replace New York's departed NL teams, the Brooklyn Dodgers and the New York Giants. The team's colors evoke the blue of the Dodgers and the orange of the Giants.

For the 1962 and 1963 seasons, the Mets played home games at the Polo Grounds in Manhattan before moving to Queens. From 1964 to 2008, the Mets played their home games at Shea Stadium, named after William Shea, the founder of the Continental League, a proposed third major league, the announcement of which prompted their admission as an NL expansion team. Since 2009, the Mets have played their home games at Citi Field next to the site where Shea Stadium once stood.

Major League Baseball (MLB) is a professional baseball league in North America composed of 30 teams, divided equally between the National League (NL) and the American League (AL), with 29 in the United States and 1 in Canada. MLB is one of the major professional sports leagues in the United States and Canada and is considered the premier professional baseball league in the world. Each team plays 162 games per season, with Opening Day held during the last week of March or the first week of April. Six teams in each league then advance to a four-round postseason tournament in October, culminating in the World Series, a best-of-seven championship series between the two league champions first played in 1903. MLB is headquartered in Midtown Manhattan.

Formed in 1876 and 1901, respectively, the NL and AL cemented their cooperation with the National Agreement in 1903, making MLB the oldest major professional sports league in the United States and Canada. They remained legally separate entities until 2000, when they merged into a single organization led by the commissioner of baseball. Baseball's first all-professional team, the Cincinnati Red Stockings, was founded in 1869. The first few decades of professional baseball saw rivalries between leagues, and players often jumped from one team or league to another. These practices were essentially ended by the National Agreement of 1903, in which AL and NL agreed to respect each other's player contracts, including the contentious reserve clause, which bound players to their teams.

The Texas Rangers are an American professional baseball team based in the Dallas–Fort Worth metroplex. The Rangers compete in Major League Baseball (MLB) as a member club of the American League (AL) West Division. The team was founded as the Washington Senators in 1961, an expansion team awarded to Washington, D.C., after the previous Senators incarnation moved to Minneapolis to become the Minnesota Twins. The new Senators relocated to Arlington, Texas after the 1971 season and debuted as the Rangers the following spring. In 2020, the Rangers moved to the new Globe Life Field after having played at Globe Life Park (now Choctaw Stadium) from 1994 to 2019. The team's name is derived from a historic law enforcement agency.

The Rangers have made nine appearances in the MLB postseason, seven following division championships in 1996, 1998, 1999, 2010, 2011, 2015, and 2016 and as a wild card team in both 2012 and 2023. Prior to 2010, the Rangers were the only team in MLB to have never advanced past the first round of the playoffs. In 2010, the Rangers advanced past the Division Series for the first time, defeating the Tampa Bay Rays. The team then won their first American League pennant after beating the New York Yankees in six games; league MVP Josh Hamilton won their first ALCS MVP award for a Ranger player. In their first appearance in a World Series, the Rangers fell to the San Francisco Giants in five games. They repeated as American League champions the following year, but famously lost the 2011 World Series to the St. Louis Cardinals in seven games after twice being one strike away from winning the series in game six. The Rangers made it to the 2023 World Series and won their first-ever championship, defeating the Arizona Diamondbacks in five games, with Corey Seager being the first Ranger player to win the World Series Most Valuable Player Award.

Throughout the history of baseball, the rules of the game have changed frequently as the game continues to evolve. A few typical rules that most professional leagues have in common are that four balls are a base on balls, three strikes are a strikeout, and three outs end a half-inning.

Baseball evolved out of bat-and-ball games in the mid-19th century, and its modern rules are based mainly on those first published in 1848. Most rule sets are generally based on the Official Baseball Rules (OBR) published by Major League Baseball (MLB), though various minor variations exist from league to league; the World Baseball Softball Confederation maintains its own official rule set for international competition.

In baseball, the pitcher is the player who throws ("pitches") the baseball from the pitcher's mound toward the catcher to begin each play, with the goal of retiring a batter, who attempts to either make contact with the pitched ball or draw a walk. In the defensive numbering system used in baseball, the pitcher is assigned the number 1. The pitcher is often considered the most important player on the defensive side of the game, and as such is situated at the right end of the defensive spectrum. There are many different types of pitchers, such as the starting pitcher, relief pitcher, middle reliever, lefty specialist, setup man, and the closer.

Traditionally, the pitcher also bats. Starting in 1973 with the American League and spreading to further leagues throughout the 1980s and 1990s, the hitting duties of the pitcher have generally been given over to the position of designated hitter, a cause of some controversy. The National League adopted the designated hitter in 2022; as of 2025, the Japanese Central League is the highest level of competition to not use the designated hitter position.

Joseph Paul DiMaggio (/dəˈmɑːdʒioʊ/; born Giuseppe Paolo DiMaggio, Italian: [dʒuˈzɛppe ˈpaːolo diˈmaddʒo]; November 25, 1914 – March 8, 1999), nicknamed "Joltin' Joe", "the Yankee Clipper" and "Joe D.", was an American professional baseball center fielder who played his entire 13-year career in Major League Baseball (MLB) for the New York Yankees. Born to Italian immigrants in California, he is considered to be one of the greatest baseball players of all time and set the record for the longest hitting streak (56 games from May 15 – July 16, 1941).

DiMaggio was a three-time American League (AL) Most Valuable Player Award winner and an All-Star in each of his 13 seasons. During his tenure with the Yankees, the club won ten American League pennants and nine World Series championships. His nine career World Series rings put him second only to his fellow Yankee Yogi Berra, who won 10.

The Minnesota Twins are an American professional baseball team based in Minneapolis. The Twins compete in Major League Baseball (MLB) as a member club of the American League (AL) Central Division. The team is named after the Twin Cities moniker for the two adjacent cities of Minneapolis and Saint Paul.

The franchise was founded in Kansas City in 1894 as the minor league Kansas City Blues. The team relocated to Washington, D.C. in 1901 to become the major league Washington Senators. The franchise moved to Minnesota and was renamed the Minnesota Twins for the start of the 1961 season. The Twins played in Metropolitan Stadium from 1961 to 1981 and in the Hubert H. Humphrey Metrodome from 1982 to 2009. The team has played at Target Field since 2010.

The Kansas City Royals are an American professional baseball team based in Kansas City, Missouri. The Royals compete in Major League Baseball (MLB) as a member club of the American League (AL) Central Division. The team was founded as an expansion franchise in 1969, and have made four World Series trips, winning in 1985 and 2015, and losing in 1980 and 2014.

The name "Royals" pays homage to the American Royal, a livestock show, horse show, rodeo, and championship barbecue competition held annually in Kansas City since 1899, as well as the identical names of two former Negro league baseball teams that played in the first half of the 20th century (one was a semi-pro team based in Kansas City in the 1910s and 1920s that toured the Midwest and the other was a California Winter League team based in Los Angeles in the 1940s that was managed by Chet Brewer and included Satchel Paige and Jackie Robinson on its roster). The Los Angeles team had personnel connections to the Monarchs but could not use the Monarchs name. The name also fits into something of a theme for other professional sports franchises in the city, including the Kansas City Chiefs of the NFL, the former Kansas City Kings of the NBA, and the former Kansas City Monarchs of the Negro National League.