Offseason

• December 7, 1973: Juan Marichal
  Juan Marichal
  Juan Antonio Marichal Sánchez is a former right-handed pitcher in Major League Baseball. Playing for the San Francisco Giants most of his career, Marichal was known for his high leg kick, pinpoint control and intimidation tactics, which included aiming pitches directly at the opposing batters'...
  
   was purchased from the Giants by the Boston Red Sox
  Boston Red Sox
  The Boston Red Sox are a professional baseball team based in Boston, Massachusetts, and a member of Major League Baseball’s American League Eastern Division. Founded in as one of the American League's eight charter franchises, the Red Sox's home ballpark has been Fenway Park since . The "Red Sox"...
  
  .
• March 19, 1974: Willie Prall
  Willie Prall
  Wilfred Anthony Prall is a former Major League Baseball pitcher. Prall was drafted by the San Francisco Giants in the third round of the 1971 Major League Baseball Draft, then was traded to the Chicago Cubs in in exchange for catcher Ken Rudolph...
  
   was traded by the Giants to the Chicago Cubs
  Chicago Cubs
  The Chicago Cubs are a professional baseball team located in Chicago, Illinois. They are members of the Central Division of Major League Baseball's National League. They are one of two Major League clubs based in Chicago . The Cubs are also one of the two remaining charter members of the National...
  
   for Ken Rudolph
  Ken Rudolph
  Kenneth Victor Rudolph , is a retired American professional baseball player. A catcher, he appeared in 328 Major League games played between – for the Chicago Cubs, St. Louis Cardinals, San Francisco Giants and Baltimore Orioles...
  
  .

Opening Day starters

• Bobby Bonds
  Bobby Bonds
  Bobby Lee Bonds was an American right fielder in Major League Baseball from to , primarily with the San Francisco Giants...
  
  
• Tom Bradley
• Tito Fuentes
  Tito Fuentes
  Rigoberto "Tito" Fuentes Peat is a retired second baseman who played for 13 seasons in the Major Leagues between 1965 and 1978...
  
  
• Dave Kingman
  Dave Kingman
  David Arthur Kingman , nicknamed "Kong" and "Sky King", is a former Major League Baseball left fielder, first baseman, third baseman, and designated hitter. The towering 6' 6" Kingman was one of the most feared sluggers of the 1970s and 1980s...
  
  
• Garry Maddox
• Gary Matthews
  Gary Matthews
  Gary Nathaniel Matthews Sr. , nicknamed Sarge, is a former left fielder in Major League Baseball. He now serves as a color commentator for the Philadelphia Phillies. From through , Matthews played for the San Francisco Giants, Atlanta Braves, Philadelphia Phillies, Chicago Cubs and Seattle...
  
  
• Steve Ontiveros
• Ken Rudolph
  Ken Rudolph
  Kenneth Victor Rudolph , is a retired American professional baseball player. A catcher, he appeared in 328 Major League games played between – for the Chicago Cubs, St. Louis Cardinals, San Francisco Giants and Baltimore Orioles...
  
  
• Chris Speier
  Chris Speier
  Christopher Edward Speier is a former Major League Baseball player and current bench coach for the Cincinnati Reds. He was drafted second overall in the January secondary 1970 Major League Baseball Draft.-Playing career:...
  
  

Notable transactions

• May 25, 1974: Steve Barber
  Steve Barber
  Stephen David Barber was an American Major League Baseball left-handed pitcher. He pitched from 1960-1974 for seven different teams, but is noted primarily for his time with the Baltimore Orioles...
  
   was signed as a free agent by the Giants.
• June 5, 1974: 1974 Major League Baseball Draft
  1974 Major League Baseball draft
  -First round selections:The following are the first round picks in the 1974 Major League Baseball draft.* Did not sign- Background :With the number one pick of the June regular phase, San Diego tabbed infielder Bill Almon from Brown University, one of six shortstops selected in round one...
  
  
  • Alan Wirth
    Alan Wirth
    Alan Lee Wirth is a former professional baseball pitcher. Wirth pitched in parts of three seasons in Major League Baseball, from until , for the Oakland Athletics.- Playing career :...
    
     was drafted by the Giants in the 3rd round.
  • Guy Sularz was drafted by the Giants in the 10th round.
  • Jeff Yurak
    Jeff Yurak
    Jeffrey Lynn Yurak is a former baseball player who played five games for the Milwaukee Brewers in .Yurak was drafted out of Citrus Junior College in the 24th round in 1974 by the San Francisco Giants, and was drafted from their system by the Brewers following the season...
    
     was drafted by the Giants in the 24th round.
• August 11, 1974: Steve Barber was released by the Giants.

Roster

Starters by position

Other batters

Starting pitchers

Other pitchers

Relief pitchers

Farm system