| Friday, January 2 |
| Future Giant Royce Clayton is born in Burbank, CA. |
| Tuesday, January 20 |
| Future Giant Marvin Benard is born in Bluefields, Nicaragua. |
| Friday, January 23 |
| Future Giant Alan Embree is born in The Dalles, OR. |
| Monday, January 26 |
| Future Giant Dan Carlson is born in Portland, OR. |
| Thursday, February 5 |
| Future Giant Chris Brock is born in Orlando, FL. |
| Tuesday, March 24 |
| Future Giant Wilson Alvarez is born in Maracaibo, Venezuela. |
| Wednesday, April 1 |
| Future Giant Matt Herges is born in Champaign, IL. |
| Monday, April 6 |
| » Major-league debuts: Dick Such (Senators) |
| Tuesday, April 7 |
| » Lost to Astros (1-0), 8-5 | Candlestick Park (0-1) | 0-1 | |
| » Starters: Larry Dierker vs Gaylord Perry | Third | 1½ out |
| » Major-league debuts: Alan Gallagher (Giants) |
| Wednesday, April 8 |
| » Defeated Astros (1-1), 5-4 | Candlestick Park (1-1) | 1-1 | |
| » Starters: Denny Lemaster vs Mike McCormick | Second | 1½ out |
| Thursday, April 9 |
| » Defeated Astros (1-2), 7-4 | Candlestick Park (2-1) | 2-1 | Won 2 |
| » Starters: Jim Ray vs Frank Reberger | Second | 1½ out |
| Friday, April 10 |
| » Defeated Reds (4-1), 4-3 | Candlestick Park (3-1) | 3-1 | Won 3 |
| » Starters: Ray Washburn vs Rich Robertson | Second | ½ out |
| » Major-league debuts: Don Gullett (Reds) |
| Saturday, April 11 |
| » Defeated Reds (4-2), 2-1 | Candlestick Park (4-1) | 4-1 | Won 4 |
| » Starters: Jim Merritt vs Gaylord Perry | First | -- |
| Former Giant Joe Heving dies in Covington, KY at the age of 70. Former Giant Sailor Stroud dies in Stockton, CA at the age of 85. |
| Sunday, April 12 |
| » Lost to Reds (5-2), 6-5 | Candlestick Park (4-2) | 4-2 | |
| » Starters: Jim Maloney vs Mike McCormick | Second | 1½ out |
| » Lost to Reds (6-2), 5-2 | Candlestick Park (4-3) | 4-3 | Lost 2 |
| » Starters: Gary Nolan vs Ron Bryant | Second | 1½ out |
| Monday, April 13 |
| » Lost to Braves (4-3), 9-3 | Atlanta-Fulton County Stadium (0-1) | 4-4 | Lost 3 |
| » Starters: Frank Reberger vs Pat Jarvis | Third | 1½ out |
| » Major-league debuts: Jim Johnson (Giants) |
| Tuesday, April 14 |
| » Defeated Braves (4-4), 15-11 | Atlanta-Fulton County Stadium (1-1) | 5-4 | |
| » Starters: Rich Robertson vs Jim Nash | Second | 1½ out |
| Wednesday, April 15 |
| » Lost to Astros (4-5), 7-6 | Astrodome (0-1) | 5-5 | |
| » Starters: Gaylord Perry vs Tom Griffin | Third | 2½ out |
| Thursday, April 16 |
| » Defeated Astros (4-6), 11-9 | Astrodome (1-1) | 6-5 | |
| » Starters: Mike McCormick vs Jim Bouton | Second | 2½ out |
| Friday, April 17 |
| » Lost to Reds (10-3), 8-5 | Crosley Field (0-1) | 6-6 | |
| » Starters: Rich Robertson vs Gary Nolan | Third | 3½ out |
| Saturday, April 18 |
| » Defeated Reds (10-4), 16-9 | Crosley Field (1-1) | 7-6 | |
| » Starters: Frank Reberger vs Jim McGlothlin | Second | 2½ out |
| Sunday, April 19 |
| » Lost to Reds (11-4), 6-0 | Crosley Field (1-2) | 7-7 | |
| » Starters: Gaylord Perry vs Wayne Simpson | Third | 3½ out |
| Wednesday, April 22 |
| » Lost to Phillies (5-8), 6-1 | Shibe Park (0-1) | 7-8 | Lost 2 |
| » Starters: Rich Robertson vs Woodie Fryman | Second | 5 out |
| Friday, April 24 |
| » Defeated Expos (1-10), 12-3 | Candlestick Park (5-3) | 8-8 | |
| » Starters: Gary Waslewski vs Gaylord Perry | Third | 4 out |
| Saturday, April 25 |
| » Lost to Expos (2-10), 7-3 | Candlestick Park (5-4) | 8-9 | |
| » Starters: Joe Sparma vs Juan Marichal | Third | 5 out |
| Sunday, April 26 |
| » Defeated Expos (2-11), 11-1 | Candlestick Park (6-4) | 9-9 | |
| » Starters: Bill Stoneman vs Mike McCormick | Third | 4½ out |
| » Lost to Expos (3-11), 3-2 | Candlestick Park (6-5) | 9-10 | |
| » Starters: Carl Morton vs Rich Robertson | Third | 4½ out |
| Tuesday, April 28 |
| » Lost to Mets (9-8), 5-2 | Candlestick Park (6-6) | 9-11 | Lost 2 |
| » Starters: Gary Gentry vs Gaylord Perry | Second | 5½ out |
| Wednesday, April 29 |
| » Defeated Mets (9-9), 8-6 | Candlestick Park (7-6) | 10-11 | |
| » Starters: Jerry Koosman vs Juan Marichal | Second | 5½ out |
| Future Giant J.R. Phillips is born in West Covina, CA. |
| Thursday, April 30 |
| » Lost to Mets (10-9), 4-1 | Candlestick Park (7-7) | 10-12 | |
| » Starters: Nolan Ryan vs Mike McCormick | Fourth | 6 out |
| Friday, May 1 |
| » Defeated Phillies (10-10), 3-1 | Candlestick Park (8-7) | 11-12 | |
| » Starters: Jim Bunning vs Rich Robertson | Third | 6 out |
| Saturday, May 2 |
| » Defeated Phillies (10-11), 7-1 | Candlestick Park (9-7) | 12-12 | Won 2 |
| » Starters: Chris Short vs Gaylord Perry | Fourth | 6 out |
| Sunday, May 3 |
| » Lost to Phillies (11-11), 8-6 | Candlestick Park (9-8) | 12-13 | |
| » Starters: Rick Wise vs Mike McCormick | Third | 7½ out |
| » Lost to Phillies (12-11), 13-6 | Candlestick Park (9-9) | 12-14 | Lost 2 |
| » Starters: Woodie Fryman vs Miguel Puente | Third | 7½ out |
| Tuesday, May 5 |
| » Defeated Expos (6-16), 4-1 | Parc Jarry (1-0) | 13-14 | |
| » Starters: Rich Robertson vs Bill Stoneman | Fourth | 8 out |
| Thursday, May 7 |
| » Lost to Expos (7-16), 15-8 | Parc Jarry (1-1) | 13-15 | |
| » Starters: Gaylord Perry vs Carl Morton | Fourth | 9 out |
| Friday, May 8 |
| » Defeated Mets (13-14), 7-1 | Shea Stadium (1-0) | 14-15 | |
| » Starters: Miguel Puente vs Gary Gentry | Fourth | 8 out |
| Saturday, May 9 |
| » Lost to Mets (14-14), 14-5 | Shea Stadium (1-1) | 14-16 | |
| » Starters: Rich Robertson vs Jerry Koosman | Fourth | 8 out |
| Sunday, May 10 |
| » Defeated Mets (14-15), 11-7 | Shea Stadium (2-1) | 15-16 | |
| » Starters: Juan Marichal vs Nolan Ryan | Third | 8 out |
| Monday, May 11 |
| » Defeated Padres (14-19), 6-5 | San Diego/Jack Murphy Stadium (1-0) | 16-16 | Won 2 |
| » Starters: Gaylord Perry vs Pat Dobson | Fourth | 7 out |
| Tuesday, May 12 |
| » Lost to Padres (15-19), 6-5 | San Diego/Jack Murphy Stadium (1-1) | 16-17 | |
| » Starters: Miguel Puente vs Mike Corkins | Fourth | 8 out |
| Wednesday, May 13 |
| » Defeated Padres (15-20), 5-1 | San Diego/Jack Murphy Stadium (2-1) | 17-17 | |
| » Starters: Rich Robertson vs Danny Coombs | Fourth | 7½ out |
| Thursday, May 14 |
| » Lost to Dodgers (18-14), 6-3 | Dodger Stadium (0-1) | 17-18 | |
| » Starters: Juan Marichal vs Sandy Vance | Fifth | 8 out |
| Friday, May 15 |
| » Lost to Dodgers (19-14), 11-5 | Dodger Stadium (0-2) | 17-19 | Lost 2 |
| » Starters: Miguel Puente vs Don Sutton | Fifth | 8 out |
| Saturday, May 16 |
| » Defeated Dodgers (19-15), 5-4 | Dodger Stadium (1-2) | 18-19 | |
| » Starters: Gaylord Perry vs Alan Foster | Fifth | 8 out |
| Sunday, May 17 |
| » Lost to Dodgers (20-15), 8-0 | Dodger Stadium (1-3) | 18-20 | |
| » Starters: Rich Robertson vs Claude Osteen | Fifth | 9½ out |
| Tuesday, May 19 |
| » Lost to Braves (20-16), 4-2 | Candlestick Park (9-10) | 18-21 | Lost 2 |
| » Starters: Milt Pappas vs Juan Marichal | Fifth | 10 out |
| Former Giant Ray Schalk dies in Chicago, IL at the age of 78. |
| Wednesday, May 20 |
| » Lost to Braves (21-16), 6-1 | Candlestick Park (9-11) | 18-22 | Lost 3 |
| » Starters: Jim Nash vs Gaylord Perry | Fifth | 10½ out |
| Friday, May 22 |
| » Defeated Padres (18-25), 9-4 | Candlestick Park (10-11) | 19-22 | |
| » Starters: Mike Corkins vs Rich Robertson | Fourth | 11 out |
| Saturday, May 23 |
| » Lost to Padres (19-25), 17-16 | Candlestick Park (10-12) | 19-23 | |
| » Starters: Clay Kirby vs Juan Marichal | Fourth | 12 out |
| Sunday, May 24 |
| » Defeated Padres (19-26), 6-1 | Candlestick Park (11-12) | 20-23 | |
| » Manager: Charlie Fox |
| » Starters: Ron Herbel vs Gaylord Perry | Fourth | 10½ out |
| » Defeated Padres (19-27), 7-6 | Candlestick Park (12-12) | 21-23 | Won 2 |
| » Starters: Pat Dobson vs Mike McCormick | Fourth | 10½ out |
| Tuesday, May 26 |
| » Lost to Dodgers (25-18), 19-3 | Candlestick Park (12-13) | 21-24 | |
| » Starters: Claude Osteen vs Rich Robertson | Fourth | 10½ out |
| Wednesday, May 27 |
| » Defeated Dodgers (25-19), 11-3 | Candlestick Park (13-13) | 22-24 | |
| » Starters: Sandy Vance vs Juan Marichal | Fourth | 10½ out |
| Thursday, May 28 |
| » Defeated Dodgers (25-20), 4-3 | Candlestick Park (14-13) | 23-24 | Won 2 |
| » Starters: Don Sutton vs Gaylord Perry | Fourth | 10 out |
| Friday, May 29 |
| » Lost to Pirates (22-25), 6-3 | Forbes Field (0-1) | 23-25 | |
| » Starters: Rich Robertson vs Bob Veale | Fourth | 11 out |
| Saturday, May 30 |
| » Defeated Pirates (22-26), 13-11 | Forbes Field (1-1) | 24-25 | |
| » Starters: Mike McCormick vs Steve Blass | Fourth | 11 out |
| » Major-league debuts: Jim Nelson (Pirates) |
| Sunday, May 31 |
| » Lost to Pirates (23-26), 7-3 | Forbes Field (1-2) | 24-26 | |
| » Starters: Juan Marichal vs Bob Moose | Fourth | 12 out |
| Tuesday, June 2 |
| » Lost to Cardinals (22-24), 12-1 | Busch Stadium II (0-1) | 24-27 | Lost 2 |
| » Starters: Gaylord Perry vs Steve Carlton | Fourth | 13 out |
| Wednesday, June 3 |
| » Lost to Cardinals (23-24), 6-5 | Busch Stadium II (0-2) | 24-28 | Lost 3 |
| » Starters: Rich Robertson vs Bob Gibson | Fourth | 13 out |
| Friday, June 5 |
| » Lost to Cubs (27-20), 12-8 | Wrigley Field (0-1) | 24-29 | Lost 4 |
| » Starters: Juan Marichal vs Fergie Jenkins | Fifth | 14 out |
| Saturday, June 6 |
| » Defeated Cubs (27-21), 5-3 | Wrigley Field (1-1) | 25-29 | |
| » Starters: Gaylord Perry vs Bill Hands | Fourth | 14 out |
| Sunday, June 7 |
| » Lost to Cubs (28-21), 8-4 | Wrigley Field (1-2) | 25-30 | |
| » Starters: Rich Robertson vs Ken Holtzman | Fourth | 15 out |
| Tuesday, June 9 |
| » Lost to Pirates (28-28), 5-1 | Candlestick Park (14-14) | 25-31 | Lost 2 |
| » Starters: Steve Blass vs Juan Marichal | Fourth | 16 out |
| Wednesday, June 10 |
| » Defeated Pirates (28-29), 4-2 | Candlestick Park (15-14) | 26-31 | |
| » Starters: Bob Moose vs Gaylord Perry | Fourth | 16 out |
| Friday, June 12 |
| » Lost to Cardinals (26-28), 4-1 | Candlestick Park (15-15) | 26-32 | |
| » Starters: Bob Gibson vs Skip Pitlock | Fourth | 16½ out |
| » Major-league debuts: Skip Pitlock (Giants) |
| Saturday, June 13 |
| » Defeated Cardinals (26-29), 6-5 | Candlestick Park (16-15) | 27-32 | |
| » Starters: Nelson Briles vs Rich Robertson | Fourth | 15½ out |
| Sunday, June 14 |
| » Defeated Cardinals (26-30), 7-4 | Candlestick Park (17-15) | 28-32 | Won 2 |
| » Starters: Chuck Taylor vs Juan Marichal | Fourth | 15½ out |
| » Major-league debuts: Jim Kennedy (Cardinals) |
| Tuesday, June 16 |
| » Defeated Cubs (32-24), 3-2 | Candlestick Park (18-15) | 29-32 | Won 3 |
| » Starters: Bill Hands vs Gaylord Perry | Fourth | 14½ out |
| » Major-league debuts: Roger Metzger (Cubs) |
| Wednesday, June 17 |
| » Lost to Cubs (33-24), 6-1 | Candlestick Park (18-16) | 29-33 | |
| » Starters: Ken Holtzman vs Skip Pitlock | Fourth | 15½ out |
| Thursday, June 18 |
| » Lost to Cubs (34-24), 6-0 | Candlestick Park (18-17) | 29-34 | Lost 2 |
| » Starters: Fergie Jenkins vs Rich Robertson | Fourth | 16 out |
| Friday, June 19 |
| » Lost to Padres (30-39), 6-3 | San Diego/Jack Murphy Stadium (2-2) | 29-35 | Lost 3 |
| » Starters: Juan Marichal vs Al Santorini | Fourth | 16 out |
| Saturday, June 20 |
| » Defeated Padres (30-40), 7-1 | San Diego/Jack Murphy Stadium (3-2) | 30-35 | |
| » Starters: Gaylord Perry vs Clay Kirby | Fourth | 16 out |
| Sunday, June 21 |
| » Defeated Padres (30-41), 7-2 | San Diego/Jack Murphy Stadium (4-2) | 31-35 | Won 2 |
| » Starters: Skip Pitlock vs Pat Dobson | Fourth | 15½ out |
| Monday, June 22 |
| » Defeated Reds (47-21), 13-6 | Crosley Field (2-2) | 32-35 | Won 3 |
| » Starters: Rich Robertson vs Don Gullett | Fourth | 14½ out |
| Tuesday, June 23 |
| » Lost to Reds (48-21), 5-3 | Crosley Field (2-3) | 32-36 | |
| » Starters: Mike McCormick vs Gary Nolan | Fourth | 15½ out |
| Wednesday, June 24 |
| » Lost to Reds (49-21), 5-4 | Crosley Field (2-4) | 32-37 | Lost 2 |
| » Starters: Juan Marichal vs Jim McGlothlin | Fourth | 16½ out |
| Friday, June 26 |
| » Defeated Braves (36-32), 4-1 | Candlestick Park (19-17) | 33-37 | |
| » Starters: Ron Reed vs Gaylord Perry | Fourth | 16½ out |
| Saturday, June 27 |
| » Defeated Braves (36-33), 3-0 | Candlestick Park (20-17) | 34-37 | Won 2 |
| » Starters: George Stone vs Skip Pitlock | Fourth | 16½ out |
| Sunday, June 28 |
| » Defeated Braves (36-34), 6-4 | Candlestick Park (21-17) | 35-37 | Won 3 |
| » Starters: Jim Nash vs Juan Marichal | Fourth | 16 out |
| » Defeated Braves (36-35), 4-3 | Candlestick Park (22-17) | 36-37 | Won 4 |
| » Starters: Phil Niekro vs Rich Robertson | Fourth | 16 out |
| Tuesday, June 30 |
| » Lost to Padres (31-47), 3-2 | Candlestick Park (22-18) | 36-38 | |
| » Starters: Danny Coombs vs Gaylord Perry | Fourth | 16 out |
| Wednesday, July 1 |
| » Defeated Padres (31-48), 12-7 | Candlestick Park (23-18) | 37-38 | |
| » Starters: Al Santorini vs Mike McCormick | Fourth | 16 out |
| Friday, July 3 |
| » Lost to Dodgers (45-32), 8-6 | Candlestick Park (23-19) | 37-39 | |
| » Starters: Don Sutton vs Juan Marichal | Fourth | 17 out |
| Saturday, July 4 |
| » Lost to Dodgers (46-32), 7-2 | Candlestick Park (23-20) | 37-40 | Lost 2 |
| » Starters: Alan Foster vs Gaylord Perry | Fourth | 18 out |
| Sunday, July 5 |
| » Lost to Dodgers (47-32), 4-0 | Candlestick Park (23-21) | 37-41 | Lost 3 |
| » Starters: Bill Singer vs Mike McCormick | Fourth | 19 out |
| Monday, July 6 |
| » Lost to Braves (41-38), 12-4 | Atlanta-Fulton County Stadium (1-2) | 37-42 | Lost 4 |
| » Starters: Jerry Johnson vs George Stone | Fourth | 20 out |
| Tuesday, July 7 |
| » Defeated Braves (41-39), 8-5 | Atlanta-Fulton County Stadium (2-2) | 38-42 | |
| » Starters: Rich Robertson vs Jim Nash | Fourth | 20 out |
| Wednesday, July 8 |
| » Defeated Braves (41-40), 13-0 | Atlanta-Fulton County Stadium (3-2) | 39-42 | Won 2 |
| » Starters: Gaylord Perry vs Phil Niekro | Fourth | 19 out |
| Thursday, July 9 |
| » Defeated Braves (41-41), 7-6 | Atlanta-Fulton County Stadium (4-2) | 40-42 | Won 3 |
| » Starters: Juan Marichal vs Pat Jarvis | Fourth | 18 out |
| Friday, July 10 |
| » Defeated Astros (35-51), 8-5 | Astrodome (2-1) | 41-42 | Won 4 |
| » Starters: Frank Reberger vs Denny Lemaster | Fourth | 17½ out |
| Saturday, July 11 |
| » Lost to Astros (36-51), 5-4 | Astrodome (2-2) | 41-43 | |
| » Starters: Rich Robertson vs Larry Dierker | Fourth | 18½ out |
| Sunday, July 12 |
| » Lost to Astros (37-51), 8-7 | Astrodome (2-3) | 41-44 | Lost 2 |
| » Starters: Gaylord Perry vs Tom Griffin | Fourth | 19½ out |
| Wednesday, July 15 |
| Former Giant Emilio Palmero dies in Toledo, OH at the age of 76. |
| Thursday, July 16 |
| Future Giant William Van Landingham is born in Columbia, TN. |
| Friday, July 17 |
| » Lost to Expos (38-51), 7-3 | Candlestick Park (23-22) | 41-45 | Lost 3 |
| » Starters: Carl Morton vs Juan Marichal | Fourth | 20 out |
| Saturday, July 18 |
| » Defeated Expos (38-52), 10-1 | Candlestick Park (24-22) | 42-45 | |
| » Starters: Mike Wegener vs Gaylord Perry | Fourth | 20 out |
| Sunday, July 19 |
| » Defeated Mets (48-42), 5-3 | Candlestick Park (25-22) | 43-45 | Won 2 |
| » Starters: Nolan Ryan vs Rich Robertson | Fourth | 19½ out |
| » Lost to Mets (49-42), 7-6 | Candlestick Park (25-23) | 43-46 | |
| » Starters: Jerry Koosman vs Skip Pitlock | Fourth | 19½ out |
| Monday, July 20 |
| » Defeated Mets (49-43), 7-4 | Candlestick Park (26-23) | 44-46 | |
| » Starters: Rich Folkers vs Frank Reberger | Fourth | 20 out |
| Tuesday, July 21 |
| » Lost to Phillies (42-50), 9-6 | Candlestick Park (26-24) | 44-47 | |
| » Starters: Rick Wise vs Juan Marichal | Fourth | 21 out |
| Wednesday, July 22 |
| » Lost to Phillies (43-50), 5-2 | Candlestick Park (26-25) | 44-48 | Lost 2 |
| » Starters: Jim Bunning vs Gaylord Perry | Fourth | 21 out |
| Friday, July 24 |
| » Defeated Expos (40-56), 8-7 | Parc Jarry (2-1) | 45-48 | |
| » Starters: Rich Robertson vs Steve Renko | Third | 21 out |
| » Lost to Expos (41-56), 7-5 | Parc Jarry (2-2) | 45-49 | |
| » Starters: Skip Pitlock vs Mike Wegener | Third | 21 out |
| Saturday, July 25 |
| » Lost to Expos (42-56), 10-5 | Parc Jarry (2-3) | 45-50 | Lost 2 |
| » Starters: Frank Reberger vs Carl Morton | Fourth | 22 out |
| Former Giant Herb Hunter dies in Orlando, FL at the age of 74. |
| Sunday, July 26 |
| » Defeated Expos (42-57), 6-2 | Parc Jarry (3-3) | 46-50 | |
| » Starters: Juan Marichal vs Mike Marshall | Fourth | 22 out |
| Monday, July 27 |
| » Lost to Mets (53-45), 5-3 | Shea Stadium (2-2) | 46-51 | |
| » Starters: Gaylord Perry vs Tom Seaver | Fourth | 22 out |
| Tuesday, July 28 |
| » Lost to Mets (54-45), 12-2 | Shea Stadium (2-3) | 46-52 | Lost 2 |
| » Starters: Rich Robertson vs Jim McAndrew | Fourth | 22 out |
| Wednesday, July 29 |
| » Defeated Mets (54-46), 4-2 | Shea Stadium (3-3) | 47-52 | |
| » Starters: Skip Pitlock vs Jerry Koosman | Fourth | 22 out |
| Friday, July 31 |
| » Defeated Phillies (46-53), 8-3 | Shibe Park (1-1) | 48-52 | Won 2 |
| » Starters: Juan Marichal vs Grant Jackson | Third | 20½ out |
| » Defeated Phillies (46-54), 7-2 | Shibe Park (2-1) | 49-52 | Won 3 |
| » Starters: Frank Reberger vs Chris Short | Third | 20½ out |
| Saturday, August 1 |
| » Lost to Phillies (47-54), 6-5 | Shibe Park (2-2) | 49-53 | |
| » Starters: Gaylord Perry vs Jim Bunning | Fourth | 22 out |
| » Lost to Phillies (48-54), 6-1 | Shibe Park (2-3) | 49-54 | Lost 2 |
| » Starters: Don Carrithers vs Rick Wise | Fourth | 22 out |
| » Major-league debuts: Don Carrithers (Giants) |
| Sunday, August 2 |
| » Lost to Phillies (49-54), 7-6 | Shibe Park (2-4) | 49-55 | Lost 3 |
| » Starters: Ron Bryant vs Lowell Palmer | Fourth | 23 out |
| Former Giant Mike Cvengros dies in Hot Springs, AR at the age of 69. |
| Monday, August 3 |
| » Defeated Dodgers (60-45), 5-2 | Dodger Stadium (2-3) | 50-55 | |
| » Starters: Skip Pitlock vs Bill Singer | Fourth | 22 out |
| Tuesday, August 4 |
| » Defeated Dodgers (60-46), 11-4 | Dodger Stadium (3-3) | 51-55 | Won 2 |
| » Starters: Juan Marichal vs Don Sutton | Third | 22 out |
| Future Giant Dax Jones is born in Pittsburgh, PA. |
| Wednesday, August 5 |
| » Defeated Reds (75-36), 5-3 | Candlestick Park (27-25) | 52-55 | Won 3 |
| » Starters: Jim McGlothlin vs Gaylord Perry | Third | 21 out |
| Thursday, August 6 |
| » Defeated Reds (75-37), 9-3 | Candlestick Park (28-25) | 53-55 | Won 4 |
| » Starters: Ray Washburn vs Frank Reberger | Third | 20 out |
| Friday, August 7 |
| » Lost to Astros (50-61), 11-2 | Candlestick Park (28-26) | 53-56 | |
| » Starters: Larry Dierker vs Ron Bryant | Third | 21 out |
| Saturday, August 8 |
| » Defeated Astros (50-62), 6-5 | Candlestick Park (29-26) | 54-56 | |
| » Starters: Wade Blasingame vs Skip Pitlock | Third | 21 out |
| Sunday, August 9 |
| » Lost to Astros (51-62), 7-5 | Candlestick Park (29-27) | 54-57 | |
| » Starters: Ron Cook vs Juan Marichal | Third | 20 out |
| » Defeated Astros (51-63), 6-1 | Candlestick Park (30-27) | 55-57 | |
| » Starters: Don Wilson vs Gaylord Perry | Third | 20 out |
| » Major-league debuts: Larry Howard (Astros) |
| Tuesday, August 11 |
| » Lost to Cubs (59-56), 4-1 | Wrigley Field (1-3) | 55-58 | |
| » Starters: Frank Reberger vs Fergie Jenkins | Third | 21 out |
| Wednesday, August 12 |
| » Defeated Cubs (59-57), 6-3 | Wrigley Field (2-3) | 56-58 | |
| » Starters: Ron Bryant vs Bill Hands | Third | 20 out |
| Thursday, August 13 |
| » Lost to Cubs (60-57), 6-3 | Wrigley Field (2-4) | 56-59 | |
| » Starters: Gaylord Perry vs Milt Pappas | Fourth | 21 out |
| Friday, August 14 |
| » Lost to Cardinals (56-61), 2-1 | Busch Stadium II (0-3) | 56-60 | Lost 2 |
| » Starters: Juan Marichal vs Steve Carlton | Fourth | 20½ out |
| » Defeated Cardinals (56-62), 5-4 | Busch Stadium II (1-3) | 57-60 | |
| » Starters: Skip Pitlock vs Jerry Reuss | Fourth | 20½ out |
| Saturday, August 15 |
| » Defeated Cardinals (56-63), 3-2 | Busch Stadium II (2-3) | 58-60 | Won 2 |
| » Starters: Frank Reberger vs Nelson Briles | Fourth | 20½ out |
| Sunday, August 16 |
| » Defeated Cardinals (56-64), 5-2 | Busch Stadium II (3-3) | 59-60 | Won 3 |
| » Starters: Ron Bryant vs Harry Parker | Third | 20½ out |
| Monday, August 17 |
| » Defeated Pirates (67-55), 5-4 | Three Rivers Stadium (1-0) | 60-60 | Won 4 |
| » Starters: Gaylord Perry vs Bob Moose | Third | 20½ out |
| Tuesday, August 18 |
| » Lost to Pirates (68-55), 6-2 | Three Rivers Stadium (1-1) | 60-61 | |
| » Starters: Skip Pitlock vs Steve Blass | Third | 20½ out |
| Wednesday, August 19 |
| » Defeated Pirates (68-56), 7-4 | Three Rivers Stadium (2-1) | 61-61 | |
| » Starters: Juan Marichal vs Luke Walker | Third | 19½ out |
| Friday, August 21 |
| » Defeated Cubs (64-61), 5-1 | Candlestick Park (31-27) | 62-61 | Won 2 |
| » Starters: Bill Hands vs Frank Reberger | Third | 18½ out |
| Saturday, August 22 |
| » Lost to Cubs (65-61), 15-0 | Candlestick Park (31-28) | 62-62 | |
| » Starters: Ken Holtzman vs Gaylord Perry | Third | 19½ out |
| Sunday, August 23 |
| » Defeated Cubs (65-62), 4-3 | Candlestick Park (32-28) | 63-62 | |
| » Starters: Milt Pappas vs Juan Marichal | Third | 19 out |
| Tuesday, August 25 |
| » Defeated Cardinals (60-67), 4-2 | Candlestick Park (33-28) | 64-62 | Won 2 |
| » Starters: Steve Carlton vs Skip Pitlock | Third | 18 out |
| Wednesday, August 26 |
| » Defeated Cardinals (60-68), 8-7 | Candlestick Park (34-28) | 65-62 | Won 3 |
| » Starters: Nelson Briles vs Frank Reberger | Third | 18 out |
| Thursday, August 27 |
| » Lost to Cardinals (61-68), 4-1 | Candlestick Park (34-29) | 65-63 | |
| » Starters: Bob Gibson vs Gaylord Perry | Third | 18 out |
| Friday, August 28 |
| » Defeated Pirates (70-60), 5-1 | Candlestick Park (35-29) | 66-63 | |
| » Starters: Bob Moose vs Juan Marichal | Third | 17 out |
| Saturday, August 29 |
| » Defeated Pirates (70-61), 10-9 | Candlestick Park (36-29) | 67-63 | Won 2 |
| » Starters: Steve Blass vs Skip Pitlock | Third | 17 out |
| Sunday, August 30 |
| » Defeated Pirates (70-62), 7-3 | Candlestick Park (37-29) | 68-63 | Won 3 |
| » Starters: Luke Walker vs Frank Reberger | Third | 15½ out |
| » Defeated Pirates (70-63), 2-1 | Candlestick Park (38-29) | 69-63 | Won 4 |
| » Starters: Fred Cambria vs Ron Bryant | Third | 15½ out |
| Tuesday, September 1 |
| » Defeated Reds (86-50), 5-3 | Riverfront Stadium (1-0) | 70-63 | Won 5 |
| » Starters: Gaylord Perry vs Jim McGlothlin | Third | 14½ out |
| Wednesday, September 2 |
| » Lost to Reds (87-50), 2-0 | Riverfront Stadium (1-1) | 70-64 | |
| » Starters: Juan Marichal vs Gary Nolan | Third | 15½ out |
| Thursday, September 3 |
| » Lost to Reds (88-50), 7-3 | Riverfront Stadium (1-2) | 70-65 | Lost 2 |
| » Starters: Skip Pitlock vs Tony Cloninger | Third | 16½ out |
| Friday, September 4 |
| » Major-league debuts: Frank Duffy (Reds) |
| Saturday, September 5 |
| » Lost to Braves (68-69), 5-2 | Atlanta-Fulton County Stadium (4-3) | 70-66 | Lost 3 |
| » Starters: Ron Bryant vs Phil Niekro | Third | 17½ out |
| » Lost to Braves (69-69), 5-3 | Atlanta-Fulton County Stadium (4-4) | 70-67 | Lost 4 |
| » Starters: Rich Robertson vs Mike McQueen | Third | 17½ out |
| » Major-league debuts: Ed Goodson (Giants) |
| Sunday, September 6 |
| » Defeated Braves (69-70), 1-0 | Atlanta-Fulton County Stadium (5-4) | 71-67 | |
| » Starters: Gaylord Perry vs Ron Reed | Third | 17½ out |
| Monday, September 7 |
| » Defeated Reds (90-52), 6-3 | Candlestick Park (39-29) | 72-67 | Won 2 |
| » Starters: Gary Nolan vs Juan Marichal | Third | 15½ out |
| » Defeated Reds (90-53), 4-3 | Candlestick Park (40-29) | 73-67 | Won 3 |
| » Starters: Tony Cloninger vs Don Carrithers | Third | 15½ out |
| » Major-league debuts: Bernie Williams (Giants) |
| Tuesday, September 8 |
| » Lost to Reds (91-53), 5-2 | Candlestick Park (40-30) | 73-68 | |
| » Starters: Jim Merritt vs Frank Reberger | Third | 16½ out |
| Wednesday, September 9 |
| » Defeated Astros (68-74), 9-5 | Candlestick Park (41-30) | 74-68 | |
| » Starters: Larry Dierker vs Ron Bryant | Third | 16½ out |
| Thursday, September 10 |
| » Defeated Astros (68-75), 11-0 | Candlestick Park (42-30) | 75-68 | Won 2 |
| » Starters: Wade Blasingame vs Gaylord Perry | Third | 16½ out |
| Friday, September 11 |
| » Defeated Dodgers (77-66), 4-3 | Candlestick Park (43-30) | 76-68 | Won 3 |
| » Starters: Don Sutton vs Juan Marichal | Third | 15½ out |
| Saturday, September 12 |
| » Defeated Dodgers (77-67), 8-3 | Candlestick Park (44-30) | 77-68 | Won 4 |
| » Starters: Alan Foster vs Skip Pitlock | Third | 14½ out |
| » Major-league debuts: Tom Paciorek and Mike Strahler (Dodgers) |
| Sunday, September 13 |
| » Lost to Dodgers (78-67), 5-3 | Candlestick Park (44-31) | 77-69 | |
| » Starters: Sandy Vance vs Ron Bryant | Third | 14½ out |
| Monday, September 14 |
| » Defeated Braves (72-77), 7-5 | Candlestick Park (45-31) | 78-69 | |
| » Starters: Mike McQueen vs Frank Reberger | Third | 14 out |
| Tuesday, September 15 |
| » Defeated Braves (72-78), 8-0 | Candlestick Park (46-31) | 79-69 | Won 2 |
| » Starters: Ron Reed vs Gaylord Perry | Third | 13 out |
| Wednesday, September 16 |
| » Lost to Braves (73-78), 10-7 | Candlestick Park (46-32) | 79-70 | |
| » Starters: Jim Nash vs Juan Marichal | Third | 14 out |
| Future Giant Bronswell Patrick is born in Greenville, NC. |
| Thursday, September 17 |
| » Defeated Padres (59-92), 4-3 | San Diego/Jack Murphy Stadium (5-2) | 80-70 | |
| » Starters: Rich Robertson vs Pat Dobson | Third | 13½ out |
| Friday, September 18 |
| » Defeated Padres (59-93), 3-2 | San Diego/Jack Murphy Stadium (6-2) | 81-70 | Won 2 |
| » Starters: Frank Reberger vs Danny Coombs | Third | 13½ out |
| Saturday, September 19 |
| » Defeated Padres (59-94), 3-0 | San Diego/Jack Murphy Stadium (7-2) | 82-70 | Won 3 |
| » Starters: Gaylord Perry vs Clay Kirby | Third | 13½ out |
| Monday, September 21 |
| » Defeated Dodgers (83-70), 7-0 | Dodger Stadium (4-3) | 83-70 | Won 4 |
| » Starters: Juan Marichal vs Joe Moeller | Second | 13 out |
| Tuesday, September 22 |
| » Lost to Dodgers (84-70), 1-0 | Dodger Stadium (4-4) | 83-71 | |
| » Starters: Ron Bryant vs Alan Foster | Third | 14 out |
| Wednesday, September 23 |
| » Defeated Dodgers (84-71), 14-10 | Dodger Stadium (5-4) | 84-71 | |
| » Starters: Gaylord Perry vs Sandy Vance | Second | 14 out |
| Friday, September 25 |
| » Lost to Padres (62-95), 7-4 | Candlestick Park (46-33) | 84-72 | |
| » Starters: Pat Dobson vs Frank Reberger | Third | 14 out |
| Saturday, September 26 |
| » Defeated Padres (62-96), 7-6 | Candlestick Park (47-33) | 85-72 | |
| » Starters: Clay Kirby vs Juan Marichal | Second | 14 out |
| Sunday, September 27 |
| » Defeated Padres (62-97), 3-2 | Candlestick Park (48-33) | 86-72 | Won 2 |
| » Starters: Danny Coombs vs Gaylord Perry | Second | 14 out |
| Monday, September 28 |
| » Lost to Astros (76-83), 3-0 | Astrodome (2-4) | 86-73 | |
| » Starters: Ron Bryant vs Jack Billingham | Second | 14½ out |
| Tuesday, September 29 |
| » Lost to Astros (77-83), 3-1 | Astrodome (2-5) | 86-74 | Lost 2 |
| » Starters: Frank Reberger vs Don Wilson | Third | 14½ out |
| Wednesday, September 30 |
| » Lost to Astros (78-83), 4-3 | Astrodome (2-6) | 86-75 | Lost 3 |
| » Starters: Juan Marichal vs Larry Dierker | Third | 15 out |
| Thursday, October 1 |
| » Lost to Astros (79-83), 5-4 | Astrodome (2-7) | 86-76 | Lost 4 |
| » Starters: Gaylord Perry vs Wade Blasingame | Third | 16 out |
| Sunday, October 18 |
| Future Giant Doug Mirabelli is born in Kingman, AZ. |
| Sunday, October 25 |
| Future Giant Terrell Lowery is born in Oakland, CA. |
| Friday, October 30 |
| Former Giant Jimmy Welsh dies in Oakland, CA at the age of 69. |
| Thursday, November 5 |
| Former Giant Dave Robertson dies in Virginia Beach, VA at the age of 82. |
| Saturday, November 7 |
| Former Giant Johnny Hudson dies in Bryan, TX at the age of 59. |
| Wednesday, November 18 |
| Future Giant Allen Watson is born in Jamaica, NY. |
| Tuesday, December 1 |
| Future Giant Kirk Rueter is born in Hoyleton, IL. |
Game information provided by Retrosheet (www.retrosheet.org) |