Offseason

• December 3, 1974: Enos Cabell
  Enos Cabell
  Enos Milton Cabell, Jr. is a former third baseman and first baseman in Major League Baseball who played 15 seasons with the Baltimore Orioles, the Houston Astros, the San Francisco Giants, the Detroit Tigers, and the Los Angeles Dodgers. Cabell is a cousin of center fielder Ken Landreaux.Cabell was...
  
   and Rob Andrews
  Rob Andrews (baseball)
  Robert Patrick Andrews is a former professional baseball player. He played five seasons in Major League Baseball, from 1975 until 1979, for the Houston Astros and San Francisco Giants, primarily as a second baseman.-Sources:...
  
   were traded by the Orioles to the Houston Astros
  Houston Astros
  The Houston Astros are a Major League Baseball team located in Houston, Texas. They are a member of the National League Central division. The Astros are expected to join the American League West division in 2013. Since , they have played their home games at Minute Maid Park, known as Enron Field...
  
   for Lee May
  Lee May
  Lee Andrew May is a former first baseman in Major League Baseball. From through , May played for the Cincinnati Reds , Houston Astros , Baltimore Orioles and Kansas City Royals . He batted and threw right-handed. He is the brother of former Chicago White Sox and New York Yankees outfielder...
  
   and Jay Schlueter
  Jay Schlueter
  Jay D Schlueter was an outfielder who played in Major League Baseball during the season. Listed at 6' 0", 182 lb., he batted and threw right handed....
  
  .
• December 4, 1974: Dave McNally
  Dave McNally
  David Arthur "Dave" McNally was a Major League Baseball left-handed starting pitcher from until . He was signed by the Baltimore Orioles and played with them every season except for his final season with the Montreal Expos.McNally has the unique distinction as the only pitcher in Major League...
  
  , Rich Coggins
  Rich Coggins
  Richard Allen Coggins was an outfielder for the Baltimore Orioles , Montreal Expos , New York Yankees and Chicago White Sox ....
  
  , and Bill Kirkpatrick (minors) were traded by the Orioles to the Montreal Expos
  Washington Nationals
  The Washington Nationals are a professional baseball team based in Washington, D.C. The Nationals are a member of the Eastern Division of the National League of Major League Baseball . The team moved into the newly built Nationals Park in 2008, after playing their first three seasons in RFK Stadium...
  
   for Mike Torrez
  Mike Torrez
  Michael Augustine Torrez is a former pitcher in Major League Baseball.-Career:Torrez had an 18-year career from 1967 to 1984. He played for the St...
  
   and Ken Singleton
  Ken Singleton
  Kenneth Wayne Singleton is an American former professional baseball player and current television sports commentator. He played as an outfielder and designated hitter in Major League Baseball for the New York Mets, Montreal Expos, and Baltimore Orioles.-Baseball career:Born in Manhattan, New York...
  
  .
• December 18, 1974: Bryn Smith
  Bryn Smith
  Bryn Nelson Smith is a former professional baseball player who pitched in the Major Leagues from 1981-1993....
  
   was signed as an amateur free agent by the Orioles.
• February 25, 1975: Boog Powell
  Boog Powell
  John Wesley Powell is a former major league first baseman who played for the Baltimore Orioles , Cleveland Indians and Los Angeles Dodgers...
  
   and Don Hood
  Don Hood
  Donald Harris Hood , was a professional baseball player who played pitcher in the Major Leagues from 1973-1983. He played for the Baltimore Orioles, New York Yankees, Cleveland Indians, St. Louis Cardinals, and Kansas City Royals.-External links:...
  
   were traded by the Orioles to the Cleveland Indians
  Cleveland Indians
  The Cleveland Indians are a professional baseball team based in Cleveland, Ohio. They are in the Central Division of Major League Baseball's American League. Since , they have played in Progressive Field. The team's spring training facility is in Goodyear, Arizona...
  
   for Dave Duncan
  Dave Duncan (baseball)
  David Edwin Duncan is an American former professional baseball player and current pitching coach for the St. Louis Cardinals...
  
   and Al McGrew (minors).

Notable transactions

• June 3, 1975: 1975 Major League Baseball Draft
  1975 Major League Baseball Draft
  -First round selections:The following are the first round picks in the 1975 Major League Baseball draft..Many baseball draft experts consider the 1975 draft to be the weakest in MLB history.- External links :*- References :...
  
  
  • Steve Lake
    Steve Lake
    Steven "Steve" Michael Lake batted and threw right-handed, and is a former professional baseball backup catcher. He played Major League Baseball from 1983-93 for the following teams: Chicago Cubs, St. Louis Cardinals and Philadelphia Phillies, and finishing his career with the Cubs...
    
     was drafted by the Orioles in the 3rd round.
  • Darryl Cias
    Darryl Cias
    Darryl Richard Cias is a former professional baseball player. He played 19 games in Major League Baseball for the Oakland Athletics in 1983, mostly as a late-inning replacement for starting catcher Bob Kearney...
    
     was drafted by the Orioles in the 6th round.
• June 15, 1975: Jesse Jefferson
  Jesse Jefferson
  Jesse Harrison Jefferson was a Major League Baseball pitcher best remembered as an inaugural member of the expansion Toronto Blue Jays.-Baltimore Orioles:...
  
   was traded by the Orioles to the Chicago White Sox
  Chicago White Sox
  The Chicago White Sox are a Major League Baseball team located in Chicago, Illinois.The White Sox play in the American League's Central Division. Since , the White Sox have played in U.S. Cellular Field, which was originally called New Comiskey Park and nicknamed The Cell by local fans...
  
   for Tony Muser
  Tony Muser
  Anthony Joseph Muser is currently a roving instructor in the San Diego Padres organization. From 1997 until 2002, Muser served as the manager of the Kansas City Royals...
  
  .

Roster

Starters by position

Other batters

Starting pitchers

Other pitchers

Relief pitchers

Farm system