In its -year history, the

Baltimore Orioles The Baltimore Orioles (also known as the O's) are an American professional baseball team based in Baltimore. The Orioles compete in Major League Baseball (MLB) as a member club of the American League (AL) East Division. As one of the America ...

baseball Baseball is a bat-and-ball games, bat-and-ball sport played between two team sport, teams of nine players each, taking turns batting (baseball), batting and Fielding (baseball), fielding. The game occurs over the course of several Pitch ...

franchise of

Major League Baseball Major League Baseball (MLB) is a professional baseball league composed of 30 teams, divided equally between the National League (baseball), National League (NL) and the American League (AL), with 29 in the United States and 1 in Canada. MLB i ...

American League The American League of Professional Baseball Clubs, known simply as the American League (AL), is the younger of two sports leagues, leagues constituting Major League Baseball (MLB) in the United States and Canada. It developed from the Western L ...

has employed 42

managers Management (or managing) is the administration of organizations, whether businesses, nonprofit organizations, or a government bodies through business administration, nonprofit management, or the political science sub-field of public administr ...

. The duties of the team manager include team strategy and leadership on and off the field. Of those 42 managers, 12 have been "

player-manager A player–coach (also playing coach, captain–coach, or player–manager) is a member of a sports team who simultaneously holds both playing and coaching duties. Player–coaches may be head coaches or assistant coaches, and they may make chang ...

s"; specifically, they managed the team while still being signed as a player. Since 1992, the team has played its home games at

Oriole Park at Camden Yards Oriole Park at Camden Yards, commonly known as Camden Yards, is a ballpark in Baltimore, Maryland. It is the home of Major League Baseball (MLB)'s Baltimore Orioles, and the first of the "retro" major league ballparks constructed during the ...

. The Baltimore franchise began operations in

Milwaukee, Wisconsin Milwaukee is the List of cities in Wisconsin, most populous city in the U.S. state of Wisconsin. Located on the western shore of Lake Michigan, it is the List of United States cities by population, 31st-most populous city in the United States ...

, as the Brewers (not to be confused with the current National League team of the same name) in 1901. After one season in Wisconsin under manager and Hall of Famer Hugh Duffy, the franchise moved south to

St. Louis, Missouri St. Louis ( , sometimes referred to as St. Louis City, Saint Louis or STL) is an Independent city (United States), independent city in the U.S. state of Missouri. It lies near the confluence of the Mississippi River, Mississippi and the Miss ...

, adopting the St. Louis Browns name and hiring a new manager, Jimmy McAleer. The Browns remained in Missouri until the end of the 1953 season, when Major League Baseball's owners elected to move the franchise to

Baltimore, Maryland Baltimore is the List of municipalities in Maryland, most populous city in the U.S. state of Maryland. With a population of 585,708 at the 2020 United States census, 2020 census and estimated at 568,271 in 2024, it is the List of United States ...

, where they were renamed the Orioles, after Maryland's state bird. Seven managers have taken the Orioles franchise to the post-season;

Earl Weaver Earl Sidney Weaver (August 14, 1930 – January 19, 2013) was an American professional baseball manager, author, and television broadcaster. After playing in minor league baseball, he retired without playing in Major League Baseball (MLB). He be ...

led the Orioles to a team-record six playoff appearances. Weaver, Hank Bauer, and

Joe Altobelli Joseph Salvatore Altobelli (May 26, 1932 – March 3, 2021) was an American professional baseball first baseman and outfielder who played for the Cleveland Indians and Minnesota Twins of Major League Baseball. He was also a manager for the San F ...

are the only managers who have won a

World Series The World Series is the annual championship series of Major League Baseball (MLB). It has been contested since between the champion teams of the American League (AL) and the National League (NL). The winning team, determined through a best- ...

championship with the club: Bauer in the 1966 World Series, over the

Los Angeles Dodgers The Los Angeles Dodgers are an American professional baseball team based in Los Angeles. The Dodgers compete in Major League Baseball (MLB) as a member club of the National League (baseball), National League (NL) National League West, West Div ...

; Weaver in the 1970 World Series, over the

Cincinnati Reds The Cincinnati Reds are an American professional baseball team based in Cincinnati. The Reds compete in Major League Baseball (MLB) as a member club of the National League (baseball), National League (NL) National League Central, Central Divisi ...

; and Altobelli in the

1983 World Series The 1983 World Series was the championship series of Major League Baseball's (MLB) 1983 season. The 80th edition of the World Series, it was a best-of-seven playoff played between the American League champion Baltimore Orioles and the Nationa ...

, over the

Philadelphia Phillies The Philadelphia Phillies are an American professional baseball team based in Philadelphia. The Phillies compete in Major League Baseball (MLB) as a member club of the National League (NL) East Division. Since 2004, the team's home stadium has ...

. Weaver is the longest-tenured manager in franchise history, with 2,541 games of service in parts of 17 seasons (1968–1982, 1985–1986). The manager with the highest winning percentage in his career with the franchise is Luman Harris, owner of a .630

winning percentage In sports, a winning percentage or Copeland score is the fraction of games or matches a team or individual has won. The statistic is commonly used in standings or rankings to compare teams or individuals. It is defined as wins divided by the to ...

during his 27 games managed in 1961; conversely, the worst winning percentage in franchise history is .222 by

Oscar Melillo Oscar Donald "Ski" Melillo (August 4, 1899 – November 14, 1963) was an American second baseman and coach in Major League Baseball. He briefly served as manager of the St. Louis Browns in and was also a member of the coaching staff for the Cl ...

, who posted a 2–7 record during the 1938 season. Eight Orioles managers have been elected to the National Baseball Hall of Fame, including

Frank Robinson Frank Robinson (August 31, 1935 – February 7, 2019), nicknamed "the Judge", was an American professional baseball outfielder and manager in Major League Baseball (MLB) who played for five teams over 21 seasons: the Cincinnati Reds (1956–196 ...

, who was the first African-American manager in Major League Baseball; and

Rogers Hornsby Rogers Hornsby (April 27, 1896 – January 5, 1963), nicknamed "the Rajah", was an American baseball infielder, manager (baseball), manager, and coach (baseball), coach who played 23 seasons in Major League Baseball (MLB). He played for the St. ...

, who was a member of the cross-city rival Cardinals during the franchise's tenure in St. Louis.

Table key

Managers

Footnotes

* A running total of the number of Brewers'/Browns'/Orioles' managers. Thus, any manager who has two or more separate terms is only counted once.

References

External links

Baltimore Orioles Official Website
{{featured list

Managers Management (or managing) is the administration of organizations, whether businesses, nonprofit organizations, or a government bodies through business administration, nonprofit management, or the political science sub-field of public administr ...