| Wednesday, January 4 |
| Future Giant Ted Wood is born in Mansfield, OH. |
| Wednesday, January 25 |
| Former Giant George Gibson dies in London, ON at the age of 87. |
| Saturday, February 11 |
| Future Giant John Patterson is born in Key West, FL. |
| Tuesday, February 14 |
| Former Giant Jimmy Johnston dies in Chattanooga, TN at the age of 78. |
| Sunday, February 26 |
| Future Giant Scott Service is born in Cincinnati, OH. |
| Friday, April 7 |
| Former Giant Shanty Hogan dies in Boston, MA at the age of 62. |
| Tuesday, April 11 |
| » Lost to Cardinals (1-0), 6-0 | Busch Stadium II (0-1) | 0-1 | |
| » Starters: Juan Marichal vs Bob Gibson | Second | 1 out |
| Thursday, April 13 |
| » Defeated Braves (0-3), 2-0 | Atlanta-Fulton County Stadium (1-0) | 1-1 | |
| » Starters: Gaylord Perry vs Tony Cloninger | Fourth | 1 out |
| Friday, April 14 |
| » Lost to Braves (1-3), 6-5 | Atlanta-Fulton County Stadium (1-1) | 1-2 | |
| » Starters: Bobby Bolin vs Pat Jarvis | Fourth | 1½ out |
| Saturday, April 15 |
| » Lost to Braves (2-3), 4-3 | Atlanta-Fulton County Stadium (1-2) | 1-3 | Lost 2 |
| » Starters: Juan Marichal vs Dick Kelley | Fifth | 2½ out |
| Sunday, April 16 |
| » Lost to Reds (4-1), 4-1 | Crosley Field (0-1) | 1-4 | Lost 3 |
| » Starters: Ron Herbel vs Billy McCool | Eighth | 4 out |
| » Lost to Reds (5-1), 6-0 | Crosley Field (0-2) | 1-5 | Lost 4 |
| » Starters: Mike McCormick vs Mel Queen | Eighth | 4 out |
| » Major-league debuts: Cesar Gutierrez (Giants) |
| Tuesday, April 18 |
| » Lost to Cardinals (5-0), 2-1 | Candlestick Park (0-1) | 1-6 | Lost 5 |
| » Starters: Ray Washburn vs Gaylord Perry | Eighth | 5 out |
| Wednesday, April 19 |
| » Lost to Cardinals (6-0), 7-5 | Candlestick Park (0-2) | 1-7 | Lost 6 |
| » Starters: Larry Jaster vs Juan Marichal | Sixth | 6 out |
| Thursday, April 20 |
| » Defeated Cardinals (6-1), 7-5 | Candlestick Park (1-2) | 2-7 | |
| » Starters: Al Jackson vs Bobby Bolin | Tenth | 5 out |
| Future Giant Greg Brummett is born in Wichita, KS. |
| Saturday, April 22 |
| » Defeated Braves (5-4), 6-5 | Candlestick Park (2-2) | 3-7 | Won 2 |
| » Starters: Denny Lemaster vs Gaylord Perry | Eighth | 5 out |
| Tuesday, April 25 |
| » Defeated Reds (10-4), 6-1 | Candlestick Park (3-2) | 4-7 | Won 3 |
| » Starters: Gary Nolan vs Juan Marichal | Eighth | 4 out |
| Wednesday, April 26 |
| » Lost to Reds (11-4), 4-2 | Candlestick Park (3-3) | 4-8 | |
| » Starters: Billy McCool vs Bobby Bolin | Eighth | 5 out |
| Thursday, April 27 |
| » Lost to Reds (12-4), 3-2 | Candlestick Park (3-4) | 4-9 | Lost 2 |
| » Starters: Mel Queen vs Gaylord Perry | Ninth | 6½ out |
| Friday, April 28 |
| » Defeated Dodgers (6-8), 5-4 | Dodger Stadium (1-0) | 5-9 | |
| » Starters: Mike McCormick vs Don Sutton | Seventh | 6½ out |
| Saturday, April 29 |
| » Defeated Dodgers (6-9), 5-0 | Dodger Stadium (2-0) | 6-9 | Won 2 |
| » Starters: Juan Marichal vs Bob Miller | Seventh | 6½ out |
| Sunday, April 30 |
| » Defeated Dodgers (6-10), 5-1 | Dodger Stadium (3-0) | 7-9 | Won 3 |
| » Starters: Bobby Bolin vs Don Drysdale | Seventh | 6 out |
| Tuesday, May 2 |
| » Lost to Mets (7-11), 3-2 | Shea Stadium (0-1) | 7-10 | |
| » Starters: Gaylord Perry vs Jack Fisher | Sixth | 6 out |
| Wednesday, May 3 |
| » Defeated Mets (7-12), 8-0 | Shea Stadium (1-1) | 8-10 | |
| » Starters: Juan Marichal vs Bill Denehy | Sixth | 5 out |
| Thursday, May 4 |
| » Defeated Mets (7-13), 3-1 | Shea Stadium (2-1) | 9-10 | Won 2 |
| » Starters: Mike McCormick vs Don Cardwell | Fifth | 4½ out |
| Friday, May 5 |
| » Lost to Pirates (11-6), 7-2 | Forbes Field (0-1) | 9-11 | |
| » Starters: Bobby Bolin vs Tommie Sisk | Sixth | 5½ out |
| Saturday, May 6 |
| » Lost to Pirates (12-6), 6-5 | Forbes Field (0-2) | 9-12 | Lost 2 |
| » Starters: Gaylord Perry vs Billy O'Dell | Seventh | 6½ out |
| Monday, May 8 |
| » Defeated Cubs (10-10), 9-2 | Wrigley Field (1-0) | 10-12 | |
| » Starters: Juan Marichal vs Fergie Jenkins | Sixth | 5½ out |
| Tuesday, May 9 |
| » Lost to Cubs (11-10), 10-2 | Wrigley Field (1-1) | 10-13 | |
| » Starters: Bobby Bolin vs Ray Culp | Sixth | 5½ out |
| Wednesday, May 10 |
| » Lost to Cubs (12-10), 5-4 | Wrigley Field (1-2) | 10-14 | Lost 2 |
| » Starters: Gaylord Perry vs Ken Holtzman | Seventh | 6½ out |
| Friday, May 12 |
| » Defeated Astros (8-18), 6-1 | Candlestick Park (4-4) | 11-14 | |
| » Starters: Chris Zachary vs Juan Marichal | Seventh | 6½ out |
| Future Giant Kenny Greer is born in Boston, MA. |
| Saturday, May 13 |
| » Defeated Astros (8-19), 4-3 | Candlestick Park (5-4) | 12-14 | Won 2 |
| » Starters: Mike Cuellar vs Mike McCormick | Seventh | 5½ out |
| Sunday, May 14 |
| » Defeated Astros (8-20), 11-6 | Candlestick Park (6-4) | 13-14 | Won 3 |
| » Starters: Larry Dierker vs Gaylord Perry | Fourth | 5½ out |
| » Defeated Astros (8-21), 4-3 | Candlestick Park (7-4) | 14-14 | Won 4 |
| » Starters: Don Wilson vs Bobby Bolin | Fourth | 5½ out |
| Monday, May 15 |
| » Lost to Cubs (16-11), 9-3 | Candlestick Park (7-5) | 14-15 | |
| » Starters: Ray Culp vs Ron Herbel | Sixth | 6½ out |
| Tuesday, May 16 |
| » Defeated Cubs (16-12), 3-1 | Candlestick Park (8-5) | 15-15 | |
| » Starters: Fergie Jenkins vs Juan Marichal | Fifth | 6½ out |
| Wednesday, May 17 |
| » Defeated Cubs (16-13), 4-2 | Candlestick Park (9-5) | 16-15 | Won 2 |
| » Starters: Curt Simmons vs Mike McCormick | Sixth | 6½ out |
| Thursday, May 18 |
| » Lost to Astros (10-23), 6-2 | Astrodome (0-1) | 16-16 | |
| » Starters: Gaylord Perry vs Larry Dierker | Sixth | 6½ out |
| Friday, May 19 |
| » Defeated Astros (10-24), 6-2 | Astrodome (1-1) | 17-16 | |
| » Starters: Ray Sadecki vs Don Wilson | Sixth | 6½ out |
| Saturday, May 20 |
| » Defeated Astros (10-25), 3-2 | Astrodome (2-1) | 18-16 | Won 2 |
| » Starters: Juan Marichal vs Dave Giusti | Fifth | 6½ out |
| Sunday, May 21 |
| » Lost to Astros (11-25), 2-0 | Astrodome (2-2) | 18-17 | |
| » Starters: Mike McCormick vs Mike Cuellar | Sixth | 6½ out |
| Monday, May 22 |
| » Defeated Phillies (15-19), 3-1 | Shibe Park (1-0) | 19-17 | |
| » Starters: Gaylord Perry vs Jim Bunning | Sixth | 6 out |
| Tuesday, May 23 |
| » Defeated Phillies (15-20), 5-4 | Shibe Park (2-0) | 20-17 | Won 2 |
| » Starters: Bobby Bolin vs Larry Jackson | Sixth | 5½ out |
| Friday, May 26 |
| » Defeated Dodgers (16-22), 4-1 | Candlestick Park (10-5) | 21-17 | Won 3 |
| » Starters: Don Sutton vs Juan Marichal | Fourth | 4 out |
| Saturday, May 27 |
| » Lost to Dodgers (17-22), 10-5 | Candlestick Park (10-6) | 21-18 | |
| » Starters: Don Drysdale vs Mike McCormick | Fourth | 5 out |
| Sunday, May 28 |
| » Defeated Dodgers (17-23), 4-1 | Candlestick Park (11-6) | 22-18 | |
| » Starters: Claude Osteen vs Gaylord Perry | Fourth | 4 out |
| Monday, May 29 |
| » Defeated Phillies (16-23), 12-9 | Candlestick Park (12-6) | 23-18 | Won 2 |
| » Starters: Dick Ellsworth vs Bobby Bolin | Fourth | 3½ out |
| Tuesday, May 30 |
| » Lost to Phillies (17-23), 5-4 | Candlestick Park (12-7) | 23-19 | |
| » Starters: Jim Bunning vs Juan Marichal | Fourth | 4½ out |
| Wednesday, May 31 |
| » Defeated Pirates (23-18), 15-4 | Candlestick Park (13-7) | 24-19 | |
| » Starters: Bob Veale vs Mike McCormick | Fourth | 3½ out |
| Thursday, June 1 |
| » Defeated Pirates (23-19), 7-1 | Candlestick Park (14-7) | 25-19 | Won 2 |
| » Starters: Juan Pizarro vs Gaylord Perry | Third | 3½ out |
| Saturday, June 3 |
| » Defeated Mets (14-28), 11-2 | Candlestick Park (15-7) | 26-19 | Won 3 |
| » Starters: Jack Fisher vs Juan Marichal | Third | 4½ out |
| » Lost to Mets (15-28), 2-1 | Candlestick Park (15-8) | 26-20 | |
| » Starters: Bob Shaw vs Bobby Bolin | Third | 4½ out |
| Sunday, June 4 |
| » Defeated Mets (15-29), 7-0 | Candlestick Park (16-8) | 27-20 | |
| » Starters: Bill Denehy vs Joe Gibbon | Third | 4 out |
| » Defeated Mets (15-30), 5-0 | Candlestick Park (17-8) | 28-20 | Won 2 |
| » Starters: Chuck Estrada vs Mike McCormick | Third | 4 out |
| Future Giant Scott Servais is born in LaCrosse, WI. Future Giant Rick Wilkins is born in Jacksonville, FL. |
| Tuesday, June 6 |
| » Lost to Reds (35-18), 3-2 | Crosley Field (0-3) | 28-21 | |
| » Starters: Gaylord Perry vs Milt Pappas | Third | 5 out |
| Wednesday, June 7 |
| » Defeated Reds (35-19), 4-3 | Crosley Field (1-3) | 29-21 | |
| » Starters: Juan Marichal vs Gary Nolan | Second | 4 out |
| Thursday, June 8 |
| » Defeated Reds (35-20), 8-5 | Crosley Field (2-3) | 30-21 | Won 2 |
| » Starters: Bobby Bolin vs Sammy Ellis | Second | 3 out |
| Friday, June 9 |
| » Lost to Braves (26-26), 5-3 | Atlanta-Fulton County Stadium (1-3) | 30-22 | |
| » Starters: Mike McCormick vs Ken Johnson | Third | 4 out |
| Saturday, June 10 |
| » Defeated Braves (26-27), 7-4 | Atlanta-Fulton County Stadium (2-3) | 31-22 | |
| » Starters: Gaylord Perry vs Tony Cloninger | Third | 4 out |
| Sunday, June 11 |
| » Lost to Braves (27-27), 4-3 | Atlanta-Fulton County Stadium (2-4) | 31-23 | |
| » Starters: Juan Marichal vs Denny Lemaster | Third | 4½ out |
| Monday, June 12 |
| » Lost to Astros (22-35), 5-2 | Astrodome (2-3) | 31-24 | Lost 2 |
| » Starters: Lindy McDaniel vs Larry Dierker | Third | 5 out |
| Tuesday, June 13 |
| » Defeated Astros (22-36), 6-2 | Astrodome (3-3) | 32-24 | |
| » Starters: Joe Gibbon vs Dave Giusti | Third | 4½ out |
| Former Giant Doug Baird dies in Thomasville, GA at the age of 76. |
| Wednesday, June 14 |
| » Lost to Astros (23-36), 7-4 | Astrodome (3-4) | 32-25 | |
| » Starters: Gaylord Perry vs Don Wilson | Third | 4½ out |
| Future Giant Jerry Spradlin is born in Fullerton, CA. |
| Thursday, June 15 |
| » Lost to Astros (24-36), 6-2 | Astrodome (3-5) | 32-26 | Lost 2 |
| » Starters: Bobby Bolin vs Mike Cuellar | Third | 5 out |
| Friday, June 16 |
| » Lost to Cardinals (35-21), 5-3 | Candlestick Park (17-9) | 32-27 | Lost 3 |
| » Starters: Ray Washburn vs Lindy McDaniel | Third | 6 out |
| Saturday, June 17 |
| » Defeated Cardinals (35-22), 3-2 | Candlestick Park (18-9) | 33-27 | |
| » Starters: Steve Carlton vs Joe Gibbon | Third | 5 out |
| Sunday, June 18 |
| » Lost to Cardinals (36-22), 4-1 | Candlestick Park (18-10) | 33-28 | |
| » Starters: Dick Hughes vs Gaylord Perry | Fourth | 4½ out |
| Monday, June 19 |
| » Defeated Reds (40-26), 6-3 | Candlestick Park (19-10) | 34-28 | |
| » Starters: Gary Nolan vs Mike McCormick | Fourth | 4½ out |
| Tuesday, June 20 |
| » Defeated Reds (40-27), 5-1 | Candlestick Park (20-10) | 35-28 | Won 2 |
| » Starters: Mel Queen vs Juan Marichal | Third | 4½ out |
| Wednesday, June 21 |
| » Lost to Braves (32-32), 9-2 | Candlestick Park (20-11) | 35-29 | |
| » Starters: Pat Jarvis vs Joe Gibbon | Fourth | 5½ out |
| Thursday, June 22 |
| » Lost to Braves (33-32), 2-1 | Candlestick Park (20-12) | 35-30 | Lost 2 |
| » Starters: Phil Niekro vs Gaylord Perry | Fifth | 7 out |
| » Lost to Braves (34-32), 6-4 | Candlestick Park (20-13) | 35-31 | Lost 3 |
| » Starters: Tony Cloninger vs Bobby Bolin | Fifth | 7 out |
| Friday, June 23 |
| » Defeated Dodgers (27-39), 7-1 | Dodger Stadium (4-0) | 36-31 | |
| » Starters: Mike McCormick vs Don Sutton | Fifth | 7 out |
| Former Giant Tookie Gilbert dies in New Orleans, LA at the age of 39. |
| Saturday, June 24 |
| » Lost to Dodgers (28-39), 2-0 | Dodger Stadium (4-1) | 36-32 | |
| » Starters: Juan Marichal vs Bill Singer | Fifth | 8 out |
| Sunday, June 25 |
| » Lost to Dodgers (29-39), 2-1 | Dodger Stadium (4-2) | 36-33 | Lost 2 |
| » Starters: Ray Sadecki vs Don Drysdale | Fifth | 7½ out |
| Monday, June 26 |
| » Lost to Cardinals (43-24), 3-1 | Busch Stadium II (0-2) | 36-34 | Lost 3 |
| » Starters: Gaylord Perry vs Jim Cosman | Fifth | 8½ out |
| Tuesday, June 27 |
| » Defeated Cardinals (43-25), 6-0 | Busch Stadium II (1-2) | 37-34 | |
| » Starters: Mike McCormick vs Steve Carlton | Fifth | 7½ out |
| Wednesday, June 28 |
| » Defeated Cardinals (43-26), 9-1 | Busch Stadium II (2-2) | 38-34 | Won 2 |
| » Starters: Ray Sadecki vs Dick Hughes | Fourth | 6½ out |
| Thursday, June 29 |
| » Defeated Cardinals (43-27), 12-4 | Busch Stadium II (3-2) | 39-34 | Won 3 |
| » Starters: Joe Gibbon vs Bob Gibson | Fourth | 5½ out |
| Friday, June 30 |
| » Lost to Phillies (35-36), 10-3 | Shibe Park (2-1) | 39-35 | |
| » Starters: Gaylord Perry vs Chris Short | Fourth | 6 out |
| » Defeated Phillies (35-37), 12-3 | Shibe Park (3-1) | 40-35 | |
| » Starters: Juan Marichal vs Grant Jackson | Fourth | 6 out |
| Saturday, July 1 |
| » Defeated Phillies (35-38), 3-2 | Shibe Park (4-1) | 41-35 | Won 2 |
| » Starters: Mike McCormick vs Rick Wise | Fourth | 5 out |
| Sunday, July 2 |
| » Lost to Phillies (36-38), 8-7 | Shibe Park (4-2) | 41-36 | |
| » Starters: Ray Sadecki vs Dick Ellsworth | Third | 5½ out |
| Monday, July 3 |
| » Lost to Mets (28-45), 5-3 | Shea Stadium (2-2) | 41-37 | Lost 2 |
| » Starters: Bobby Bolin vs Tom Seaver | Third | 6½ out |
| Tuesday, July 4 |
| » Lost to Mets (29-45), 8-7 | Shea Stadium (2-3) | 41-38 | Lost 3 |
| » Starters: Juan Marichal vs Jack Fisher | Fourth | 6½ out |
| Wednesday, July 5 |
| » Defeated Mets (29-46), 2-1 | Shea Stadium (3-3) | 42-38 | |
| » Starters: Mike McCormick vs Bob Shaw | Fifth | 5½ out |
| Friday, July 7 |
| » Defeated Dodgers (34-45), 2-1 | Candlestick Park (21-13) | 43-38 | Won 2 |
| » Starters: Bill Singer vs Ray Sadecki | Fifth | 6 out |
| Saturday, July 8 |
| » Defeated Dodgers (34-46), 8-4 | Candlestick Park (22-13) | 44-38 | Won 3 |
| » Starters: Don Drysdale vs Juan Marichal | Fourth | 6 out |
| Sunday, July 9 |
| » Defeated Dodgers (34-47), 1-0 | Candlestick Park (23-13) | 45-38 | Won 4 |
| » Starters: Claude Osteen vs Mike McCormick | Third | 5 out |
| Thursday, July 13 |
| » Defeated Astros (33-51), 5-4 | Candlestick Park (24-13) | 46-38 | Won 5 |
| » Starters: Bo Belinsky vs Ray Sadecki | Third | 4½ out |
| Future Giant Pat Rapp is born in Jennings, LA. |
| Friday, July 14 |
| » Lost to Astros (34-51), 8-6 | Candlestick Park (24-14) | 46-39 | |
| » Starters: Dave Giusti vs Juan Marichal | Fourth | 5½ out |
| Saturday, July 15 |
| » Defeated Astros (34-52), 3-1 | Candlestick Park (25-14) | 47-39 | |
| » Starters: Mike Cuellar vs Mike McCormick | Fourth | 4½ out |
| Sunday, July 16 |
| » Lost to Cubs (48-38), 9-0 | Candlestick Park (25-15) | 47-40 | |
| » Starters: Ray Culp vs Gaylord Perry | Fifth | 4½ out |
| » Lost to Cubs (49-38), 3-2 | Candlestick Park (25-16) | 47-41 | Lost 2 |
| » Starters: Bill Stoneman vs Ron Herbel | Fifth | 4½ out |
| » Major-league debuts: Bill Stoneman (Cubs) |
| Monday, July 17 |
| » Lost to Cubs (50-38), 4-3 | Candlestick Park (25-17) | 47-42 | Lost 3 |
| » Starters: Rich Nye vs Ray Sadecki | Fifth | 5½ out |
| Tuesday, July 18 |
| » Lost to Pirates (43-42), 8-6 | Forbes Field (0-3) | 47-43 | Lost 4 |
| » Starters: Juan Marichal vs Steve Blass | Fifth | 5 out |
| » Defeated Pirates (43-43), 3-2 | Forbes Field (1-3) | 48-43 | |
| » Starters: Joe Gibbon vs Tommie Sisk | Fifth | 5 out |
| Wednesday, July 19 |
| » Lost to Pirates (44-43), 2-1 | Forbes Field (1-4) | 48-44 | |
| » Starters: Mike McCormick vs Dennis Ribant | Fifth | 6 out |
| Thursday, July 20 |
| » Defeated Pirates (44-44), 6-1 | Forbes Field (2-4) | 49-44 | |
| » Starters: Gaylord Perry vs Vern Law | Fifth | 6 out |
| Friday, July 21 |
| » Lost to Cubs (53-39), 5-4 | Wrigley Field (1-3) | 49-45 | |
| » Starters: Ray Sadecki vs Bill Stoneman | Fifth | 6 out |
| Saturday, July 22 |
| » Lost to Cubs (54-39), 6-5 | Wrigley Field (1-4) | 49-46 | Lost 2 |
| » Starters: Juan Marichal vs Rich Nye | Fourth | 6 out |
| Sunday, July 23 |
| » Defeated Cubs (54-40), 5-2 | Wrigley Field (2-4) | 50-46 | |
| » Starters: Mike McCormick vs Fergie Jenkins | Fifth | 7 out |
| » Lost to Cubs (55-40), 6-3 | Wrigley Field (2-5) | 50-47 | |
| » Starters: Joe Gibbon vs Joe Niekro | Fifth | 7 out |
| Tuesday, July 25 |
| » Defeated Mets (38-55), 5-4 | Candlestick Park (26-17) | 51-47 | |
| » Starters: Jack Fisher vs Gaylord Perry | Fifth | 6½ out |
| Wednesday, July 26 |
| » Lost to Mets (39-55), 11-5 | Candlestick Park (26-18) | 51-48 | |
| » Starters: Tom Seaver vs Ray Sadecki | Fifth | 7½ out |
| Thursday, July 27 |
| » Lost to Phillies (47-48), 8-3 | Candlestick Park (26-19) | 51-49 | Lost 2 |
| » Starters: John Boozer vs Mike McCormick | Fifth | 8 out |
| Friday, July 28 |
| » Defeated Phillies (47-49), 7-2 | Candlestick Park (27-19) | 52-49 | |
| » Starters: Larry Jackson vs Juan Marichal | Fifth | 8 out |
| Saturday, July 29 |
| » Defeated Phillies (47-50), 6-1 | Candlestick Park (28-19) | 53-49 | Won 2 |
| » Starters: Jim Bunning vs Gaylord Perry | Fifth | 8 out |
| Sunday, July 30 |
| » Lost to Pirates (49-50), 4-3 | Candlestick Park (28-20) | 53-50 | |
| » Starters: Vern Law vs Ray Sadecki | Fifth | 9 out |
| Monday, July 31 |
| » Defeated Pirates (49-51), 8-4 | Candlestick Park (29-20) | 54-50 | |
| » Starters: Tommie Sisk vs Mike McCormick | Fifth | 9 out |
| Tuesday, August 1 |
| » Defeated Pirates (49-52), 3-1 | Candlestick Park (30-20) | 55-50 | Won 2 |
| » Starters: Woodie Fryman vs Juan Marichal | Fourth | 8 out |
| Wednesday, August 2 |
| » Defeated Pirates (49-53), 7-2 | Candlestick Park (31-20) | 56-50 | Won 3 |
| » Starters: Dennis Ribant vs Gaylord Perry | Fourth | 8½ out |
| Friday, August 4 |
| » Defeated Mets (40-63), 3-0 | Shea Stadium (4-3) | 57-50 | Won 4 |
| » Starters: Ray Sadecki vs Tom Seaver | Third | 8½ out |
| Sunday, August 6 |
| » Defeated Mets (40-64), 9-7 | Shea Stadium (5-3) | 58-50 | Won 5 |
| » Starters: Mike McCormick vs Jack Fisher | Second | 8½ out |
| » Defeated Mets (40-65), 4-1 | Shea Stadium (6-3) | 59-50 | Won 6 |
| » Starters: Joe Gibbon vs Danny Frisella | Second | 8½ out |
| » Major-league debuts: Billy Wynne (Mets) |
| Monday, August 7 |
| » Lost to Phillies (54-51), 8-0 | Shibe Park (4-3) | 59-51 | |
| » Starters: Gaylord Perry vs Jim Bunning | Second | 8½ out |
| Tuesday, August 8 |
| » Lost to Phillies (55-51), 5-4 | Shibe Park (4-4) | 59-52 | Lost 2 |
| » Starters: Ray Sadecki vs Dick Ellsworth | Third | 8½ out |
| Wednesday, August 9 |
| Future Giant Deion Sanders is born in Fort Myers, FL. |
| Thursday, August 10 |
| » Defeated Cardinals (68-44), 5-2 | Busch Stadium II (4-2) | 60-52 | |
| » Starters: Mike McCormick vs Ray Washburn | Third | 8 out |
| Friday, August 11 |
| » Lost to Cardinals (69-44), 2-1 | Busch Stadium II (4-3) | 60-53 | |
| » Starters: Gaylord Perry vs Nelson Briles | Fourth | 9 out |
| Saturday, August 12 |
| » Lost to Cardinals (70-44), 3-2 | Busch Stadium II (4-4) | 60-54 | Lost 2 |
| » Starters: Joe Gibbon vs Steve Carlton | Fifth | 10 out |
| Sunday, August 13 |
| » Lost to Cardinals (71-44), 2-1 | Busch Stadium II (4-5) | 60-55 | Lost 3 |
| » Starters: Ray Sadecki vs Dick Hughes | Fifth | 11 out |
| Monday, August 14 |
| » Defeated Braves (61-52), 6-2 | Atlanta-Fulton County Stadium (3-4) | 61-55 | |
| » Starters: Mike McCormick vs Pat Jarvis | Fifth | 11 out |
| Tuesday, August 15 |
| » Defeated Braves (61-53), 4-1 | Atlanta-Fulton County Stadium (4-4) | 62-55 | Won 2 |
| » Starters: Gaylord Perry vs Phil Niekro | Fourth | 11 out |
| Wednesday, August 16 |
| » Lost to Braves (62-53), 6-3 | Atlanta-Fulton County Stadium (4-5) | 62-56 | |
| » Starters: Bobby Bolin vs Ken Johnson | Fifth | 12 out |
| Friday, August 18 |
| » Defeated Reds (64-56), 3-1 | Candlestick Park (32-20) | 63-56 | |
| » Starters: Milt Pappas vs Ray Sadecki | Fourth | 12 out |
| Saturday, August 19 |
| » Lost to Reds (65-56), 3-1 | Candlestick Park (32-21) | 63-57 | |
| » Starters: Gary Nolan vs Mike McCormick | Fifth | 13 out |
| Sunday, August 20 |
| » Defeated Reds (65-57), 3-2 | Candlestick Park (33-21) | 64-57 | |
| » Starters: Mel Queen vs Gaylord Perry | Fourth | 12 out |
| Monday, August 21 |
| » Lost to Reds (66-57), 2-0 | Candlestick Park (33-22) | 64-58 | |
| » Starters: Jim Maloney vs Ron Herbel | Fourth | 12 out |
| Tuesday, August 22 |
| » Lost to Cardinals (77-46), 9-0 | Candlestick Park (33-23) | 64-59 | Lost 2 |
| » Starters: Nelson Briles vs Ray Sadecki | Fourth | 13 out |
| Wednesday, August 23 |
| » Defeated Cardinals (77-47), 6-0 | Candlestick Park (34-23) | 65-59 | |
| » Starters: Steve Carlton vs Mike McCormick | Fourth | 12 out |
| Thursday, August 24 |
| » Lost to Cardinals (78-47), 2-0 | Candlestick Park (34-24) | 65-60 | |
| » Starters: Dick Hughes vs Gaylord Perry | Fourth | 13 out |
| Friday, August 25 |
| » Lost to Braves (64-59), 5-1 | Candlestick Park (34-25) | 65-61 | Lost 2 |
| » Starters: Phil Niekro vs Juan Marichal | Sixth | 13½ out |
| Saturday, August 26 |
| » Defeated Braves (64-60), 3-1 | Candlestick Park (35-25) | 66-61 | |
| » Starters: Ken Johnson vs Ray Sadecki | Fifth | 12 out |
| » Defeated Braves (64-61), 3-2 | Candlestick Park (36-25) | 67-61 | Won 2 |
| » Starters: Denny Lemaster vs Ron Herbel | Fifth | 12 out |
| Sunday, August 27 |
| » Defeated Braves (64-62), 2-0 | Candlestick Park (37-25) | 68-61 | Won 3 |
| » Starters: Clay Carroll vs Mike McCormick | Fifth | 12½ out |
| » Lost to Braves (65-62), 4-1 | Candlestick Park (37-26) | 68-62 | |
| » Starters: Ed Rakow vs Lindy McDaniel | Fifth | 12½ out |
| Monday, August 28 |
| » Defeated Dodgers (59-69), 7-0 | Candlestick Park (38-26) | 69-62 | |
| » Starters: Don Sutton vs Gaylord Perry | Fourth | 12 out |
| Future Giant Darren Lewis is born in Berkeley, CA. |
| Tuesday, August 29 |
| » Defeated Dodgers (59-70), 11-1 | Candlestick Park (39-26) | 70-62 | Won 2 |
| » Starters: Bill Singer vs Joe Gibbon | Fourth | 11 out |
| Wednesday, August 30 |
| » Lost to Dodgers (60-70), 9-3 | Candlestick Park (39-27) | 70-63 | |
| » Starters: Don Drysdale vs Ray Sadecki | Fifth | 12 out |
| Thursday, August 31 |
| » Lost to Reds (73-61), 3-1 | Crosley Field (2-4) | 70-64 | Lost 2 |
| » Starters: Mike McCormick vs Jim Maloney | Fifth | 13 out |
| Friday, September 1 |
| » Defeated Reds (73-62), 1-0 | Crosley Field (3-4) | 71-64 | |
| » Starters: Gaylord Perry vs Mel Queen | Fourth | 13 out |
| Saturday, September 2 |
| » Defeated Reds (73-63), 4-3 | Crosley Field (4-4) | 72-64 | Won 2 |
| » Starters: Ron Herbel vs Sammy Ellis | Fourth | 13 out |
| Sunday, September 3 |
| » Defeated Reds (73-64), 4-0 | Crosley Field (5-4) | 73-64 | Won 3 |
| » Starters: Ray Sadecki vs Milt Pappas | Third | 13 out |
| Monday, September 4 |
| » Defeated Astros (55-84), 4-3 | Astrodome (4-5) | 74-64 | Won 4 |
| » Starters: Mike McCormick vs Mike Cuellar | Third | 11½ out |
| Wednesday, September 6 |
| » Defeated Astros (55-85), 2-0 | Candlestick Park (40-27) | 75-64 | Won 5 |
| » Starters: Dave Giusti vs Gaylord Perry | Second | 11½ out |
| » Major-league debuts: Hal King (Astros) |
| Thursday, September 7 |
| » Defeated Astros (55-86), 3-2 | Candlestick Park (41-27) | 76-64 | Won 6 |
| » Starters: Bruce Von Hoff vs Ron Herbel | Second | 11½ out |
| » Major-league debuts: Dave Marshall (Giants) |
| Friday, September 8 |
| » Defeated Cubs (78-67), 4-3 | Candlestick Park (42-27) | 77-64 | Won 7 |
| » Starters: Joe Niekro vs Ray Sadecki | Second | 10½ out |
| Saturday, September 9 |
| » Lost to Cubs (79-67), 8-2 | Candlestick Park (42-28) | 77-65 | |
| » Starters: Rich Nye vs Mike McCormick | Second | 11½ out |
| » Major-league debuts: Nestor Chavez (Giants) |
| Sunday, September 10 |
| » Defeated Cubs (79-68), 2-1 | Candlestick Park (43-28) | 78-65 | |
| » Starters: Fergie Jenkins vs Gaylord Perry | Second | 10½ out |
| Monday, September 11 |
| » Defeated Dodgers (65-78), 4-0 | Dodger Stadium (5-2) | 79-65 | Won 2 |
| » Starters: Ron Herbel vs Don Drysdale | Second | 10½ out |
| Tuesday, September 12 |
| » Defeated Dodgers (65-79), 4-2 | Dodger Stadium (6-2) | 80-65 | Won 3 |
| » Starters: Ray Sadecki vs Don Sutton | Second | 10½ out |
| Wednesday, September 13 |
| » Lost to Dodgers (66-79), 6-3 | Dodger Stadium (6-3) | 80-66 | |
| » Starters: Mike McCormick vs Claude Osteen | Second | 10½ out |
| » Major-league debuts: Luis Alcaraz (Dodgers) |
| Thursday, September 14 |
| » Major-league debuts: Cito Gaston (Braves) |
| Friday, September 15 |
| » Defeated Pirates (73-75), 6-3 | Forbes Field (3-4) | 81-66 | |
| » Starters: Gaylord Perry vs Steve Blass | Second | 10½ out |
| Saturday, September 16 |
| » Lost to Pirates (74-75), 5-4 | Forbes Field (3-5) | 81-67 | |
| » Starters: Ron Herbel vs Woodie Fryman | Second | 11½ out |
| Former Giant Lee King dies in Shinnston, WV at the age of 75. |
| Sunday, September 17 |
| » Lost to Pirates (75-75), 5-4 | Forbes Field (3-6) | 81-68 | Lost 2 |
| » Starters: Ray Sadecki vs Al McBean | Second | 12½ out |
| Tuesday, September 19 |
| » Defeated Cubs (82-71), 6-2 | Wrigley Field (3-5) | 82-68 | |
| » Starters: Mike McCormick vs Fergie Jenkins | Second | 13 out |
| Wednesday, September 20 |
| » Defeated Cubs (82-72), 5-1 | Wrigley Field (4-5) | 83-68 | Won 2 |
| » Starters: Gaylord Perry vs Rich Nye | Second | 12 out |
| Friday, September 22 |
| » Defeated Pirates (76-78), 1-0 | Candlestick Park (44-28) | 84-68 | Won 3 |
| » Starters: Al McBean vs Ray Sadecki | Second | 11½ out |
| Saturday, September 23 |
| » Defeated Pirates (76-79), 8-4 | Candlestick Park (45-28) | 85-68 | Won 4 |
| » Starters: Woodie Fryman vs Mike McCormick | Second | 10½ out |
| Sunday, September 24 |
| » Lost to Pirates (77-79), 2-1 | Candlestick Park (45-29) | 85-69 | |
| » Starters: Steve Blass vs Gaylord Perry | Second | 11½ out |
| Former Giant Johnny Allen dies in Hagerstown, MD at the age of 77. |
| Monday, September 25 |
| » Defeated Mets (59-97), 2-1 | Candlestick Park (46-29) | 86-69 | |
| » Starters: Danny Frisella vs Ron Herbel | Second | 11 out |
| Tuesday, September 26 |
| » Defeated Mets (59-98), 8-3 | Candlestick Park (47-29) | 87-69 | Won 2 |
| » Starters: Jerry Koosman vs Ray Sadecki | Second | 10 out |
| Wednesday, September 27 |
| » Defeated Mets (59-99), 7-2 | Candlestick Park (48-29) | 88-69 | Won 3 |
| » Starters: Tug McGraw vs Mike McCormick | Second | 9½ out |
| Thursday, September 28 |
| » Lost to Phillies (81-77), 2-1 | Candlestick Park (48-30) | 88-70 | |
| » Starters: Rick Wise vs Gaylord Perry | Second | 10 out |
