Offseason

• October 14, 1974: 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...
  
   and Elias Sosa
  Elias Sosa
  Elías Sosa Martínez , is a former right-handed relief pitcher in Major League Baseball. He was signed by the San Francisco Giants as an amateur free agent on March 4, 1968. He played for the Giants , St...
  
   were traded by the Giants to the St. Louis Cardinals
  St. Louis Cardinals
  The St. Louis Cardinals are a professional baseball team based in St. Louis, Missouri. They are members of the Central Division in the National League of Major League Baseball. The Cardinals have won eleven World Series championships, the most of any National League team, and second overall only to...
  
   for Marc Hill
  Marc Hill
  Marc Kevin Hill is a former Major League Baseball catcher for the St. Louis Cardinals , San Francisco Giants , Seattle Mariners , and Chicago White Sox ....
  
  .
• October 22, 1974: Bobby Bonds
  Bobby Bonds
  Bobby Lee Bonds was an American right fielder in Major League Baseball from to , primarily with the San Francisco Giants...
  
   was traded by the Giants to the New York Yankees
  New York Yankees
  The New York Yankees are a professional baseball team based in the The Bronx, New York. They compete in Major League Baseball in the American League's East Division...
  
   for Bobby Murcer
  Bobby Murcer
  Bobby Ray Murcer was an American Major League Baseball outfielder who played for 17 seasons between 1965 and 1983, mostly with the New York Yankees, whom he later rejoined as a longtime broadcaster...
  
  .
• December 6, 1974: 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...
  
   and Butch Metzger
  Butch Metzger
  Clarence Edward "Butch" Metzger is a former Major League Baseball player. Metzger was a relief pitcher, specifically a closer...
  
   were traded by the Giants to the San Diego Padres
  San Diego Padres
  The San Diego Padres are a Major League Baseball team based in San Diego, California. They play in the National League Western Division. Founded in 1969, the Padres have won the National League Pennant twice, in 1984 and 1998, losing in the World Series both times...
  
   for Derrel Thomas
  Derrel Thomas
  Derrel Osborn Thomas is a former professional baseball player who played in Major League Baseball primarily as a second baseman, center fielder, and shortstop from 1971-85...
  
  .
• January 29, 1975: Von Joshua
  Von Joshua
  Von Everett Joshua was an outfielder for the Los Angeles Dodgers , San Francisco Giants , Milwaukee Brewers and San Diego Padres ....
  
   was selected off waivers by the Giants from the Los Angeles Dodgers
  Los Angeles Dodgers
  The Los Angeles Dodgers are a professional baseball team based in Los Angeles, California. The Dodgers are members of Major League Baseball's National League West Division. Established in 1883, the team originated in Brooklyn, New York, where it was known by a number of nicknames before becoming...
  
  .

Opening Day starters

• Jim Barr
  Jim Barr
  James Leland Barr is a former right-handed pitcher in Major League Baseball who played for the San Francisco Giants and California Angels...
  
  
• 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...
  
  
• Bobby Murcer
  Bobby Murcer
  Bobby Ray Murcer was an American Major League Baseball outfielder who played for 17 seasons between 1965 and 1983, mostly with the New York Yankees, whom he later rejoined as a longtime broadcaster...
  
  
• Steve Ontiveros
• Dave Rader
  Dave Rader (baseball)
  David Martin Rader is a former professional baseball player. From through , he was a catcher in Major League Baseball, playing for the San Francisco Giants , St. Louis Cardinals , Chicago Cubs , Philadelphia Phillies and Boston Red Sox...
  
  
• 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:...
  
  
• Derrel Thomas
  Derrel Thomas
  Derrel Osborn Thomas is a former professional baseball player who played in Major League Baseball primarily as a second baseman, center fielder, and shortstop from 1971-85...
  
  
• Gary Thomasson
  Gary Thomasson
  Gary Leah Thomasson is a former outfielder in Major League Baseball who played from 1972-1980.He played in 1981-1982 for the Yomiuri Giants in Japanese Nippon Pro Baseball...
  
  

Notable transactions

• April 3, 1975: Chuck Hartenstein
  Chuck Hartenstein
  Charles Oscar Hartenstein [Twiggy] is a former relief pitcher in Major League Baseball who played for five different teams between the and seasons. Listed at 5' 11", 165 lb., Hartenstein batted and threw right-handed...
  
   was released by the Giants.
• May 4, 1975: Garry Maddox was traded by the Giants to the Philadelphia Phillies
  Philadelphia Phillies
  The Philadelphia Phillies are a Major League Baseball team. They are the oldest continuous, one-name, one-city franchise in all of professional American sports, dating to 1883. The Phillies are a member of the Eastern Division of Major League Baseball's National League...
  
   for Willie Montañez
  Willie Montañez
  Guillermo Montañez Naranjo is a former Major League Baseball first baseman. Even though he was productive, Montañez often carried the label "hot dog" for the whimsical manner in which he approached the game. After hitting home runs, he would trot very slowly around the bases, shuffling his feet on...
  
  .

Roster

Starters by position

Other batters

Starting pitchers

Other pitchers

Relief pitchers

Farm system