Offseason

• October 20, 1976: Mike Caldwell, 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...
  
   and John D'Acquisto
  John D'Acquisto
  John Francis D'Acquisto , is a former Major League Baseball player who pitched for six teams in his ten year career that spanned from to ....
  
   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 Willie Crawford
  Willie Crawford
  Willie Murphy Crawford was a Major League Baseball outfielder who played with Los Angeles Dodgers , St. Louis Cardinals , Houston Astros and Oakland Athletics . Crawford was born in Los Angeles, California. He batted and threw left-handed...
  
  , John Curtis
  John Curtis (baseball)
  John Duffield Curtis is a former Major League Baseball pitcher. He was originally drafted by the Cleveland Indians in the first round of the 1966 Major League Baseball Draft out of Smithtown High School in Smithtown, New York, but did not sign, choosing instead to attend Clemson University...
  
   and Vic Harris
  Vic Harris (second baseman)
  Victor Lanier Harris is a former Major League Baseball player. He played all or part of eight seasons in the majors between and...
  
  .
• December 7, 1976: 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 from the Giants by the Milwaukee Brewers
  Milwaukee Brewers
  The Milwaukee Brewers are a professional baseball team based in Milwaukee, Wisconsin, currently playing in the Central Division of Major League Baseball's National League...
  
   in the 1976 minor league draft.
• January 11, 1977: Bud Black
  Bud Black
  Harry Ralston "Bud" Black is a former Major League Baseball left-handed pitcher and current manager of the San Diego Padres.-College:Black played two years at Lower Columbia College in Longview...
  
   was drafted by the Giants in the 3rd round of the 1977 Major League Baseball Draft
  1977 Major League Baseball Draft
  -First round selections:The following are the first round picks in the 1977 Major League Baseball draft.- Background :The White Sox raised some brows when they passed on right-handed pitcher Bill Gullickson, a native of nearby Orland Park, IL, and selected outfielder Harold Baines as the number one...
  
  , but did not sign.
• February 11, 1977: 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, and Andy Muhlstock (minors) were 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 Bill Madlock
  Bill Madlock
  Bill "Mad Dog" Madlock, Jr. is a former Major League Baseball player. From 1973 to 1987, Madlock was a right-handed hitter who won several National League batting titles. His record of four batting titles as a third baseman would be eclipsed in 1988 by Wade Boggs. Since 1970, only Tony Gwynn has...
  
   and Rob Sperring
  Rob Sperring
  Robert Walter Sperring was a baseball player who played for the Chicago Cubs from 1974 to 1976 and the Houston Astros in 1977....
  
  .
• March 26, 1977: Willie Crawford and Rob Sperring were traded by the Giants 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 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:...
  
   and cash.
• March 26, 1977: Chris Bourjos
  Chris Bourjos
  Christopher Bourjos is a retired professional baseball player who played part of one season for the San Francisco Giants of Major League Baseball. He has worked as an Arizona-based scout for the Baltimore Orioles since 2010...
  
   was signed as an amateur free agent by the Giants.
• March 31, 1977: 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...
  
   was purchased by the Giants from 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...
  
  .

Opening Day starters

• 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:...
  
  
• Darrell Evans
  Darrell Evans
  Darrell Wayne Evans is a former third baseman and first baseman in Major League Baseball who played from 1969 to 1989 with the Atlanta Braves , San Francisco Giants and Detroit Tigers . He is also the former manager and director of player personnel for the Victoria Seals of the Golden Baseball...
  
  
• 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 ....
  
  
• Bill Madlock
  Bill Madlock
  Bill "Mad Dog" Madlock, Jr. is a former Major League Baseball player. From 1973 to 1987, Madlock was a right-handed hitter who won several National League batting titles. His record of four batting titles as a third baseman would be eclipsed in 1988 by Wade Boggs. Since 1970, only Tony Gwynn has...
  
  
• Willie McCovey
  Willie McCovey
  Willie Lee McCovey , nicknamed "Mac", "Big Mac", and "Stretch", is a former Major League Baseball first baseman. He played nineteen seasons for the San Francisco Giants, and three more for the San Diego Padres and Oakland Athletics, between and...
  
  
• John Montefusco
  John Montefusco
  John Joseph Montefusco Jr. is a former Major League Baseball pitcher from 1974 to 1986 for the San Francisco Giants, Atlanta Braves, San Diego Padres, and New York Yankees. Named the National League Rookie of the Year in 1975, Montefusco's nickname was "The Count", a pun on his last name which...
  
  
• 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:...
  
  
• 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...
  
  
• Terry Whitfield
  Terry Whitfield
  Terry Bertland Whitfield is a former Major League Baseball player for the New York Yankees, San Francisco Giants, Seibu Lions of the Japanese Baseball League, and the Los Angeles Dodgers...
  
  

Notable transactions

• May 19, 1977: DeWayne Buice was signed as an amateur free agent by the Giants.
• June 7, 1977: Chili Davis
  Chili Davis
  Charles Theodore "Chili" Davis is the hitting coach for the Oakland Athletics. Davis is a former outfielder/designated hitter who played in Major League Baseball with the San Francisco Giants , California Angels , Minnesota Twins , Kansas City Royals and New York Yankees...
  
   was drafted by the Giants in the 11th round of the 1977 Major League Baseball Draft
  1977 Major League Baseball Draft
  -First round selections:The following are the first round picks in the 1977 Major League Baseball draft.- Background :The White Sox raised some brows when they passed on right-handed pitcher Bill Gullickson, a native of nearby Orland Park, IL, and selected outfielder Harold Baines as the number one...
  
  . Player signed September 3, 1977.
• July 27, 1977: Ken Rudolph was purchased from the Giants by the Baltimore Orioles
  Baltimore Orioles
  The Baltimore Orioles are a professional baseball team based in Baltimore, Maryland in the United States. They are a member of the Eastern Division of Major League Baseball's American League. One of the American League's eight charter franchises in 1901, it spent its first year as a major league...
  
  .
• August 11, 1977: Gorman Heimueller
  Gorman Heimueller
  Gorman John Heimueller is a former Major League Baseball pitcher. Heimueller pitched parts of two seasons for the Oakland Athletics in and .-Sources:...
  
   was signed as an amateur free agent by the Giants.

Roster

Starters by position

Other batters

Starting pitchers

Other pitchers

Relief pitchers

Farm system