| Monday, January 8 |
| Future Giant Brian Johnson is born in Oakland, CA. |
| Monday, February 5 |
| Future Giant Andres Santana is born in San Pedro de Macoris, D.R. |
| Thursday, February 15 |
| Future Giant Luis Mercedes is born in San Pedro de Macoris, D.R. |
| Friday, February 23 |
| Former Giant Hank Schreiber dies in Indianapolis, IN at the age of 77. |
| Monday, February 26 |
| Future Giant J.T. Snow is born in Long Beach, CA. |
| Thursday, March 7 |
| Future Giant Jeff Kent is born in Bellflower, CA. |
| Friday, March 15 |
| Future Giant Kim Batiste is born in New Orleans, LA. |
| Sunday, March 17 |
| Future Giant Pat Gomez is born in Roseville, CA. |
| Tuesday, March 26 |
| Future Giant Jose Vizcaino is born in San Cristobal, D.R. |
| Wednesday, April 10 |
| » Defeated Mets (0-1), 5-4 | Candlestick Park (1-0) | 1-0 | |
| » Starters: Tom Seaver vs Juan Marichal | First | -- |
| Thursday, April 11 |
| » Lost to Pirates (1-1), 3-1 | Candlestick Park (1-1) | 1-1 | |
| » Starters: Bob Veale vs Mike McCormick | Second | 1 out |
| » Major-league debuts: Carl Taylor (Pirates) |
| Saturday, April 13 |
| » Lost to Pirates (2-1), 2-1 | Candlestick Park (1-2) | 1-2 | Lost 2 |
| » Starters: Al McBean vs Gaylord Perry | Fifth | 2½ out |
| Sunday, April 14 |
| » Defeated Phillies (1-4), 13-2 | Candlestick Park (2-2) | 2-2 | |
| » Starters: Rick Wise vs Juan Marichal | Third | 1 out |
| » Defeated Phillies (1-5), 3-1 | Candlestick Park (3-2) | 3-2 | Won 2 |
| » Starters: Chris Short vs Ray Sadecki | Third | 1 out |
| Monday, April 15 |
| » Major-league debuts: Cleo James (Dodgers) |
| Wednesday, April 17 |
| » Lost to Mets (3-3), 3-0 | Shea Stadium (0-1) | 3-3 | |
| » Starters: Mike McCormick vs Jerry Koosman | Third | 1½ out |
| Thursday, April 18 |
| » Defeated Mets (3-4), 5-3 | Shea Stadium (1-1) | 4-3 | |
| » Starters: Gaylord Perry vs Don Cardwell | Fourth | 1 out |
| Friday, April 19 |
| » Defeated Pirates (4-3), 5-2 | Forbes Field (1-0) | 5-3 | Won 2 |
| » Starters: Juan Marichal vs Jim Bunning | Second | ½ out |
| Future Giant Brent Mayne is born in Loma Linda, CA. |
| Saturday, April 20 |
| » Defeated Pirates (4-4), 1-0 | Forbes Field (2-0) | 6-3 | Won 3 |
| » Starters: Ray Sadecki vs Bob Veale | First | -- |
| Sunday, April 21 |
| » Lost to Pirates (5-4), 10-0 | Forbes Field (2-1) | 6-4 | |
| » Starters: Mike McCormick vs Al McBean | Second | ½ out |
| Monday, April 22 |
| » Lost to Phillies (6-6), 2-1 | Shibe Park (0-1) | 6-5 | Lost 2 |
| » Starters: Gaylord Perry vs Rick Wise | Third | 1 out |
| Tuesday, April 23 |
| » Defeated Phillies (6-7), 7-1 | Shibe Park (1-1) | 7-5 | |
| » Starters: Juan Marichal vs Chris Short | Second | 1 out |
| Friday, April 26 |
| » Lost to Dodgers (8-6), 4-1 | Candlestick Park (3-3) | 7-6 | |
| » Starters: Bill Singer vs Ray Sadecki | Third | 2½ out |
| Saturday, April 27 |
| » Defeated Dodgers (8-7), 3-0 | Candlestick Park (4-3) | 8-6 | |
| » Starters: Don Drysdale vs Mike McCormick | Second | 2½ out |
| Sunday, April 28 |
| » Defeated Dodgers (8-8), 6-1 | Candlestick Park (5-3) | 9-6 | Won 2 |
| » Starters: Claude Osteen vs Gaylord Perry | Second | 2½ out |
| Monday, April 29 |
| » Lost to Braves (8-9), 7-2 | Candlestick Park (5-4) | 9-7 | |
| » Starters: Ron Reed vs Juan Marichal | Second | 2½ out |
| Tuesday, April 30 |
| » Defeated Braves (8-10), 7-0 | Candlestick Park (6-4) | 10-7 | |
| » Starters: Ken Johnson vs Ray Sadecki | Second | 2½ out |
| Wednesday, May 1 |
| » Lost to Reds (9-9), 6-5 | Candlestick Park (6-5) | 10-8 | |
| » Starters: Milt Pappas vs Mike McCormick | Second | 3½ out |
| Thursday, May 2 |
| » Lost to Reds (10-9), 6-2 | Candlestick Park (6-6) | 10-9 | Lost 2 |
| » Starters: George Culver vs Gaylord Perry | Second | 3½ out |
| Friday, May 3 |
| » Defeated Cardinals (14-7), 5-4 | Candlestick Park (7-6) | 11-9 | |
| » Starters: Steve Carlton vs Juan Marichal | Second | 2½ out |
| Saturday, May 4 |
| » Lost to Cardinals (15-7), 11-6 | Candlestick Park (7-7) | 11-10 | |
| » Starters: Dick Hughes vs Ray Sadecki | Second | 3½ out |
| Sunday, May 5 |
| » Defeated Cardinals (15-8), 8-4 | Candlestick Park (8-7) | 12-10 | |
| » Starters: Ray Washburn vs Mike McCormick | Second | 2½ out |
| Monday, May 6 |
| » Lost to Astros (10-13), 10-2 | Astrodome (0-1) | 12-11 | |
| » Starters: Gaylord Perry vs Denny Lemaster | Third | 3½ out |
| Tuesday, May 7 |
| » Lost to Astros (11-13), 7-1 | Astrodome (0-2) | 12-12 | Lost 2 |
| » Starters: Juan Marichal vs Don Wilson | Third | 3½ out |
| Wednesday, May 8 |
| » Defeated Astros (11-14), 3-1 | Astrodome (1-2) | 13-12 | |
| » Starters: Ray Sadecki vs Larry Dierker | Second | 3½ out |
| Thursday, May 9 |
| » Lost to Astros (12-14), 5-3 | Astrodome (1-3) | 13-13 | |
| » Starters: Mike McCormick vs Dave Giusti | Third | 4 out |
| Friday, May 10 |
| » Defeated Reds (13-14), 6-4 | Crosley Field (1-0) | 14-13 | |
| » Starters: Gaylord Perry vs George Culver | Second | 3½ out |
| Saturday, May 11 |
| » Defeated Reds (13-15), 5-4 | Crosley Field (2-0) | 15-13 | Won 2 |
| » Starters: Juan Marichal vs Jim Maloney | Second | 3½ out |
| Sunday, May 12 |
| » Lost to Reds (14-15), 3-1 | Crosley Field (2-1) | 15-14 | |
| » Starters: Ray Sadecki vs Gerry Arrigo | Third | 3½ out |
| Tuesday, May 14 |
| » Defeated Astros (13-16), 2-1 | Candlestick Park (9-7) | 16-14 | |
| » Starters: Dave Giusti vs Mike McCormick | Second | 3½ out |
| Wednesday, May 15 |
| » Defeated Astros (13-17), 7-3 | Candlestick Park (10-7) | 17-14 | Won 2 |
| » Starters: Denny Lemaster vs Gaylord Perry | Second | 3½ out |
| Thursday, May 16 |
| » Defeated Astros (13-18), 3-1 | Candlestick Park (11-7) | 18-14 | Won 3 |
| » Starters: Don Wilson vs Juan Marichal | Second | 2½ out |
| Friday, May 17 |
| » Defeated Cubs (17-18), 2-0 | Candlestick Park (12-7) | 19-14 | Won 4 |
| » Starters: Joe Niekro vs Ray Sadecki | Second | 1½ out |
| Saturday, May 18 |
| » Lost to Cubs (18-18), 10-7 | Candlestick Park (12-8) | 19-15 | |
| » Starters: Ken Holtzman vs Mike McCormick | Second | 1½ out |
| Sunday, May 19 |
| » Defeated Cubs (18-19), 1-0 | Candlestick Park (13-8) | 20-15 | |
| » Starters: Fergie Jenkins vs Gaylord Perry | Second | 1 out |
| » Lost to Cubs (19-19), 6-3 | Candlestick Park (13-9) | 20-16 | |
| » Starters: Bill Hands vs Bobby Bolin | Second | 1 out |
| Monday, May 20 |
| » Lost to Braves (21-16), 6-5 | Atlanta-Fulton County Stadium (0-1) | 20-17 | Lost 2 |
| » Starters: Juan Marichal vs Phil Niekro | Third | 2 out |
| Tuesday, May 21 |
| » Defeated Braves (21-17), 6-4 | Atlanta-Fulton County Stadium (1-1) | 21-17 | |
| » Starters: Ray Sadecki vs Jim Britton | Second | 1 out |
| Wednesday, May 22 |
| » Defeated Braves (21-18), 2-1 | Atlanta-Fulton County Stadium (2-1) | 22-17 | Won 2 |
| » Starters: Mike McCormick vs Pat Jarvis | Second | 1 out |
| Thursday, May 23 |
| » Defeated Braves (21-19), 5-4 | Atlanta-Fulton County Stadium (3-1) | 23-17 | Won 3 |
| » Starters: Gaylord Perry vs Ken Johnson | First | -- |
| Friday, May 24 |
| » Defeated Cubs (20-21), 4-2 | Wrigley Field (1-0) | 24-17 | Won 4 |
| » Starters: Juan Marichal vs Ken Holtzman | First | -- |
| Saturday, May 25 |
| » Lost to Cubs (21-21), 3-0 | Wrigley Field (1-1) | 24-18 | |
| » Starters: Ray Sadecki vs Fergie Jenkins | First | -- |
| Sunday, May 26 |
| » Lost to Cubs (22-21), 4-2 | Wrigley Field (1-2) | 24-19 | Lost 2 |
| » Starters: Mike McCormick vs Bill Hands | First | -- |
| Tuesday, May 28 |
| » Defeated Cardinals (22-20), 3-1 | Busch Stadium II (1-0) | 25-19 | |
| » Starters: Gaylord Perry vs Bob Gibson | First | -- |
| Wednesday, May 29 |
| » Defeated Cardinals (22-21), 2-1 | Busch Stadium II (2-0) | 26-19 | Won 2 |
| » Starters: Juan Marichal vs Nelson Briles | First | -- |
| Thursday, May 30 |
| » Lost to Cardinals (23-21), 6-0 | Busch Stadium II (2-1) | 26-20 | |
| » Starters: Ray Sadecki vs Steve Carlton | First | -- |
| Friday, May 31 |
| » Lost to Dodgers (24-25), 3-0 | Dodger Stadium (0-1) | 26-21 | Lost 2 |
| » Starters: Mike McCormick vs Don Drysdale | First | -- |
| Saturday, June 1 |
| » Lost to Dodgers (25-25), 4-3 | Dodger Stadium (0-2) | 26-22 | Lost 3 |
| » Starters: Gaylord Perry vs Bill Singer | Second | 1 out |
| Sunday, June 2 |
| » Defeated Dodgers (25-26), 5-1 | Dodger Stadium (1-2) | 27-22 | |
| » Starters: Juan Marichal vs Don Sutton | Second | ½ out |
| Monday, June 3 |
| » Lost to Phillies (23-21), 1-0 | Candlestick Park (13-10) | 27-23 | |
| » Starters: Chris Short vs Ray Sadecki | Third | 1½ out |
| Tuesday, June 4 |
| » Lost to Phillies (24-21), 5-1 | Candlestick Park (13-11) | 27-24 | Lost 2 |
| » Starters: Larry Jackson vs Mike McCormick | Fourth | 2½ out |
| Wednesday, June 5 |
| » Lost to Phillies (25-21), 2-1 | Candlestick Park (13-12) | 27-25 | Lost 3 |
| » Starters: Woodie Fryman vs Gaylord Perry | Fifth | 3½ out |
| Thursday, June 6 |
| » Defeated Phillies (25-22), 7-2 | Candlestick Park (14-12) | 28-25 | |
| » Starters: Rick Wise vs Juan Marichal | Fourth | 3½ out |
| Friday, June 7 |
| » Lost to Mets (24-27), 4-0 | Candlestick Park (14-13) | 28-26 | |
| » Starters: Nolan Ryan vs Ray Sadecki | Sixth | 3½ out |
| Sunday, June 9 |
| » Defeated Mets (24-28), 5-4 | Candlestick Park (15-13) | 29-26 | |
| » Starters: Jerry Koosman vs Gaylord Perry | Fourth | 3 out |
| » Defeated Mets (24-29), 4-1 | Candlestick Park (16-13) | 30-26 | Won 2 |
| » Starters: Don Cardwell vs Mike McCormick | Fourth | 3 out |
| Monday, June 10 |
| » Defeated Pirates (21-30), 8-0 | Candlestick Park (17-13) | 31-26 | Won 3 |
| » Starters: Bob Veale vs Juan Marichal | Second | 3 out |
| Tuesday, June 11 |
| » Lost to Pirates (22-30), 7-4 | Candlestick Park (17-14) | 31-27 | |
| » Starters: Steve Blass vs Ray Sadecki | Second | 4 out |
| Wednesday, June 12 |
| » Defeated Pirates (22-31), 4-2 | Candlestick Park (18-14) | 32-27 | |
| » Starters: Jim Bunning vs Bobby Bolin | Second | 3 out |
| Thursday, June 13 |
| » Lost to Pirates (23-31), 8-7 | Candlestick Park (18-15) | 32-28 | |
| » Starters: Al McBean vs Gaylord Perry | Second | 4 out |
| Friday, June 14 |
| » Lost to Mets (28-29), 7-3 | Shea Stadium (1-2) | 32-29 | Lost 2 |
| » Starters: Mike McCormick vs Jerry Koosman | Second | 4 out |
| Saturday, June 15 |
| » Defeated Mets (28-30), 9-5 | Shea Stadium (2-2) | 33-29 | |
| » Starters: Juan Marichal vs Tom Seaver | Second | 4 out |
| Sunday, June 16 |
| » Defeated Mets (28-31), 4-1 | Shea Stadium (3-2) | 34-29 | Won 2 |
| » Starters: Ray Sadecki vs Dick Selma | Second | 4½ out |
| » Lost to Mets (29-31), 3-1 | Shea Stadium (3-3) | 34-30 | |
| » Starters: Bill Henry vs Danny Frisella | Second | 4½ out |
| Tuesday, June 18 |
| » Lost to Phillies (29-28), 10-2 | Shibe Park (1-2) | 34-31 | Lost 2 |
| » Starters: Gaylord Perry vs Chris Short | Fourth | 6 out |
| » Lost to Phillies (30-28), 9-1 | Shibe Park (1-3) | 34-32 | Lost 3 |
| » Starters: Mike McCormick vs Woodie Fryman | Fourth | 6 out |
| Wednesday, June 19 |
| » Defeated Phillies (30-29), 5-1 | Shibe Park (2-3) | 35-32 | |
| » Starters: Juan Marichal vs Larry Jackson | Third | 6 out |
| Thursday, June 20 |
| » Lost to Phillies (31-29), 2-1 | Shibe Park (2-4) | 35-33 | |
| » Starters: Ray Sadecki vs Rick Wise | Fourth | 7 out |
| Friday, June 21 |
| » Defeated Pirates (31-33), 3-0 | Forbes Field (3-1) | 36-33 | |
| » Starters: Bobby Bolin vs Al McBean | Third | 7 out |
| Saturday, June 22 |
| » Defeated Pirates (31-34), 10-3 | Forbes Field (4-1) | 37-33 | Won 2 |
| » Starters: Mike McCormick vs Bob Moose | Second | 7 out |
| Sunday, June 23 |
| » Defeated Pirates (31-35), 2-1 | Forbes Field (5-1) | 38-33 | Won 3 |
| » Starters: Juan Marichal vs Jim Bunning | Second | 6½ out |
| Tuesday, June 25 |
| » Defeated Dodgers (36-37), 9-0 | Candlestick Park (19-15) | 39-33 | Won 4 |
| » Starters: Claude Osteen vs Ray Sadecki | Second | 5½ out |
| » Major-league debuts: Bobby Bonds (Giants) |
| Wednesday, June 26 |
| » Lost to Dodgers (37-37), 2-1 | Candlestick Park (19-16) | 39-34 | |
| » Starters: Don Drysdale vs Mike McCormick | Second | 6 out |
| Thursday, June 27 |
| » Lost to Dodgers (38-37), 6-5 | Candlestick Park (19-17) | 39-35 | Lost 2 |
| » Starters: Bill Singer vs Juan Marichal | Third | 6½ out |
| Friday, June 28 |
| » Defeated Reds (35-37), 4-3 | Candlestick Park (20-17) | 40-35 | |
| » Starters: Tony Cloninger vs Gaylord Perry | Third | 6½ out |
| Saturday, June 29 |
| » Lost to Reds (36-37), 5-0 | Candlestick Park (20-18) | 40-36 | |
| » Starters: Gary Nolan vs Ray Sadecki | Third | 6½ out |
| Sunday, June 30 |
| » Lost to Reds (37-37), 5-3 | Candlestick Park (20-19) | 40-37 | Lost 2 |
| » Starters: George Culver vs Mike McCormick | Third | 6½ out |
| Future Giant Dan Peltier is born in Clifton Park, NY. |
| Monday, July 1 |
| » Lost to Braves (40-36), 5-1 | Candlestick Park (20-20) | 40-38 | Lost 3 |
| » Starters: Phil Niekro vs Bobby Bolin | Third | 7½ out |
| Tuesday, July 2 |
| » Defeated Braves (40-37), 5-0 | Candlestick Park (21-20) | 41-38 | |
| » Starters: Pat Jarvis vs Juan Marichal | Second | 7½ out |
| Wednesday, July 3 |
| » Lost to Braves (41-37), 2-0 | Candlestick Park (21-21) | 41-39 | |
| » Starters: Milt Pappas vs Gaylord Perry | Fourth | 8½ out |
| Thursday, July 4 |
| » Defeated Braves (41-38), 6-4 | Candlestick Park (22-21) | 42-39 | |
| » Starters: Jim Britton vs Ray Sadecki | Second | 8½ out |
| Friday, July 5 |
| » Lost to Cardinals (51-30), 4-3 | Candlestick Park (22-22) | 42-40 | |
| » Starters: Steve Carlton vs Mike McCormick | Fourth | 9½ out |
| Saturday, July 6 |
| » Lost to Cardinals (52-30), 3-0 | Candlestick Park (22-23) | 42-41 | Lost 2 |
| » Starters: Bob Gibson vs Juan Marichal | Fourth | 10½ out |
| Sunday, July 7 |
| » Lost to Cardinals (53-30), 2-0 | Candlestick Park (22-24) | 42-42 | Lost 3 |
| » Starters: Larry Jaster vs Gaylord Perry | Fourth | 11½ out |
| Thursday, July 11 |
| » Defeated Reds (42-40), 7-1 | Crosley Field (3-1) | 43-42 | |
| » Starters: Gaylord Perry vs Jim Maloney | Fourth | 11 out |
| » Major-league debuts: Hal McRae (Reds) |
| Friday, July 12 |
| » Defeated Reds (42-41), 11-4 | Crosley Field (4-1) | 44-42 | Won 2 |
| » Starters: Ray Sadecki vs Gary Nolan | Third | 11 out |
| Saturday, July 13 |
| » Defeated Reds (42-42), 8-1 | Crosley Field (5-1) | 45-42 | Won 3 |
| » Starters: Juan Marichal vs George Culver | Third | 11 out |
| Sunday, July 14 |
| » Lost to Braves (47-40), 4-2 | Atlanta-Fulton County Stadium (3-2) | 45-43 | |
| » Starters: Mike McCormick vs Ron Reed | Fourth | 12 out |
| Monday, July 15 |
| » Lost to Braves (48-40), 4-2 | Atlanta-Fulton County Stadium (3-3) | 45-44 | Lost 2 |
| » Starters: Gaylord Perry vs Phil Niekro | Fourth | 13 out |
| Tuesday, July 16 |
| » Lost to Cardinals (59-31), 6-1 | Busch Stadium II (2-2) | 45-45 | Lost 3 |
| » Starters: Ray Sadecki vs Nelson Briles | Fourth | 14 out |
| Wednesday, July 17 |
| » Major-league debuts: Jerry Johnson (Phillies) |
| Thursday, July 18 |
| » Defeated Cardinals (59-32), 3-0 | Busch Stadium II (3-2) | 46-45 | |
| » Starters: Juan Marichal vs Steve Carlton | Fourth | 13 out |
| Friday, July 19 |
| » Lost to Astros (40-53), 3-1 | Candlestick Park (22-25) | 46-46 | |
| » Starters: Don Wilson vs Gaylord Perry | Fourth | 13 out |
| Saturday, July 20 |
| » Defeated Astros (40-54), 1-0 | Candlestick Park (23-25) | 47-46 | |
| » Starters: Denny Lemaster vs Ray Sadecki | Fourth | 13 out |
| Sunday, July 21 |
| » Lost to Astros (41-54), 2-1 | Candlestick Park (23-26) | 47-47 | |
| » Starters: John Buzhardt vs Bobby Bolin | Third | 13 out |
| » Defeated Astros (41-55), 6-1 | Candlestick Park (24-26) | 48-47 | |
| » Starters: Danny Coombs vs Mike McCormick | Third | 13 out |
| Monday, July 22 |
| » Lost to Cubs (48-49), 7-2 | Candlestick Park (24-27) | 48-48 | |
| » Starters: Joe Niekro vs Ron Herbel | Fifth | 14 out |
| Tuesday, July 23 |
| » Defeated Cubs (48-50), 4-3 | Candlestick Park (25-27) | 49-48 | |
| » Starters: Fergie Jenkins vs Juan Marichal | Fourth | 14 out |
| Wednesday, July 24 |
| » Lost to Cubs (49-50), 2-0 | Candlestick Park (25-28) | 49-49 | |
| » Starters: Ken Holtzman vs Gaylord Perry | Fourth | 15 out |
| Friday, July 26 |
| » Lost to Astros (44-56), 4-1 | Astrodome (1-4) | 49-50 | Lost 2 |
| » Starters: Ray Sadecki vs Denny Lemaster | Fourth | 16 out |
| Saturday, July 27 |
| » Defeated Astros (44-57), 4-3 | Astrodome (2-4) | 50-50 | |
| » Starters: Mike McCormick vs John Buzhardt | Fourth | 16 out |
| Sunday, July 28 |
| » Defeated Astros (44-58), 4-2 | Astrodome (3-4) | 51-50 | Won 2 |
| » Starters: Juan Marichal vs Dave Giusti | Fifth | 15 out |
| Monday, July 29 |
| » Defeated Cubs (52-52), 4-1 | Wrigley Field (2-2) | 52-50 | Won 3 |
| » Starters: Gaylord Perry vs Gary Ross | Fourth | 15 out |
| Tuesday, July 30 |
| » Lost to Cubs (53-52), 10-4 | Wrigley Field (2-3) | 52-51 | |
| » Starters: Ray Sadecki vs Bill Hands | Fifth | 16 out |
| Wednesday, July 31 |
| » Lost to Dodgers (47-58), 6-3 | Dodger Stadium (1-3) | 52-52 | Lost 2 |
| » Starters: Bobby Bolin vs Claude Osteen | Fifth | 17 out |
| Thursday, August 1 |
| » Defeated Dodgers (47-59), 2-0 | Dodger Stadium (2-3) | 53-52 | |
| » Starters: Juan Marichal vs Don Drysdale | Fifth | 17 out |
| Friday, August 2 |
| » Lost to Pirates (53-54), 3-1 | Candlestick Park (25-29) | 53-53 | |
| » Starters: Al McBean vs Gaylord Perry | Fifth | 17 out |
| Saturday, August 3 |
| » Defeated Pirates (53-55), 7-0 | Candlestick Park (26-29) | 54-53 | |
| » Starters: Bob Veale vs Ray Sadecki | Fourth | 16 out |
| Future Giant Rod Beck is born in Burbank, CA. |
| Sunday, August 4 |
| » Defeated Pirates (53-56), 2-0 | Candlestick Park (27-29) | 55-53 | Won 2 |
| » Starters: Jim Bunning vs Bobby Bolin | Fifth | 15 out |
| Future Giant Chris Hook is born in San Diego, CA. |
| Monday, August 5 |
| » Lost to Phillies (51-57), 6-4 | Candlestick Park (27-30) | 55-54 | |
| » Starters: Woodie Fryman vs Juan Marichal | Fourth | 16 out |
| Tuesday, August 6 |
| » Defeated Phillies (51-58), 4-1 | Candlestick Park (28-30) | 56-54 | |
| » Starters: Larry Jackson vs Gaylord Perry | Fifth | 15 out |
| Wednesday, August 7 |
| » Defeated Phillies (51-59), 4-3 | Candlestick Park (29-30) | 57-54 | Won 2 |
| » Starters: Jeff James vs Ray Sadecki | Fourth | 15 out |
| Friday, August 9 |
| » Lost to Mets (53-63), 5-4 | Candlestick Park (29-31) | 57-55 | |
| » Starters: Dick Selma vs Juan Marichal | Fifth | 16½ out |
| Saturday, August 10 |
| » Lost to Mets (54-63), 3-1 | Candlestick Park (29-32) | 57-56 | Lost 2 |
| » Starters: Jerry Koosman vs Gaylord Perry | Fifth | 17 out |
| » Defeated Mets (54-64), 1-0 | Candlestick Park (30-32) | 58-56 | |
| » Starters: Jim McAndrew vs Bobby Bolin | Fifth | 17 out |
| Sunday, August 11 |
| » Defeated Mets (54-65), 2-1 | Candlestick Park (31-32) | 59-56 | Won 2 |
| » Starters: Tom Seaver vs Ray Sadecki | Third | 15½ out |
| » Defeated Mets (54-66), 5-0 | Candlestick Park (32-32) | 60-56 | Won 3 |
| » Starters: Al Jackson vs Mike McCormick | Third | 15½ out |
| Tuesday, August 13 |
| » Defeated Pirates (56-62), 3-0 | Forbes Field (6-1) | 61-56 | Won 4 |
| » Starters: Juan Marichal vs Bob Veale | Third | 14 out |
| Wednesday, August 14 |
| » Defeated Pirates (56-63), 2-1 | Forbes Field (7-1) | 62-56 | Won 5 |
| » Starters: Gaylord Perry vs Dock Ellis | Third | 14 out |
| Thursday, August 15 |
| » Lost to Pirates (57-63), 2-0 | Forbes Field (7-2) | 62-57 | |
| » Starters: Bobby Bolin vs Steve Blass | Third | 15 out |
| Friday, August 16 |
| » Defeated Phillies (55-64), 7-5 | Shibe Park (3-4) | 63-57 | |
| » Starters: Ray Sadecki vs Jerry Johnson | Third | 14 out |
| Saturday, August 17 |
| » Defeated Phillies (55-65), 6-4 | Shibe Park (4-4) | 64-57 | Won 2 |
| » Starters: Juan Marichal vs Rick Wise | Second | 13 out |
| Sunday, August 18 |
| » Lost to Phillies (56-65), 5-3 | Shibe Park (4-5) | 64-58 | |
| » Starters: Gaylord Perry vs Chris Short | Third | 14 out |
| Monday, August 19 |
| » Defeated Mets (57-70), 1-0 | Shea Stadium (4-3) | 65-58 | |
| » Starters: Bobby Bolin vs Jerry Koosman | Third | 14 out |
| Tuesday, August 20 |
| » Lost to Mets (58-70), 8-0 | Shea Stadium (4-4) | 65-59 | |
| » Starters: Ray Sadecki vs Tom Seaver | Third | 14 out |
| Future Giant Kevin Rogers is born in Cleveland, MS. |
| Wednesday, August 21 |
| » Defeated Mets (58-71), 13-3 | Shea Stadium (5-4) | 66-59 | |
| » Starters: Juan Marichal vs Jim McAndrew | Second | 14 out |
| Thursday, August 22 |
| » Defeated Dodgers (54-72), 3-1 | Dodger Stadium (3-3) | 67-59 | Won 2 |
| » Starters: Gaylord Perry vs Don Sutton | Second | 13 out |
| Former Giant Heinie Groh dies in Cincinnati, OH at the age of 79. |
| Friday, August 23 |
| » Defeated Dodgers (54-73), 8-3 | Dodger Stadium (4-3) | 68-59 | Won 3 |
| » Starters: Bobby Bolin vs Bill Singer | Second | 13 out |
| Former Giant Dutch Henry dies in Cleveland, OH at the age of 67. |
| Saturday, August 24 |
| » Defeated Dodgers (54-74), 9-7 | Dodger Stadium (5-3) | 69-59 | Won 4 |
| » Starters: Ray Sadecki vs Don Drysdale | Second | 12 out |
| Sunday, August 25 |
| » Lost to Dodgers (55-74), 5-4 | Dodger Stadium (5-4) | 69-60 | |
| » Starters: Juan Marichal vs Claude Osteen | Second | 13 out |
| Monday, August 26 |
| » Defeated Cubs (69-64), 3-0 | Candlestick Park (33-32) | 70-60 | |
| » Starters: Bill Hands vs Gaylord Perry | Second | 12 out |
| Tuesday, August 27 |
| » Defeated Cubs (69-65), 8-4 | Candlestick Park (34-32) | 71-60 | Won 2 |
| » Starters: Archie Reynolds vs Bobby Bolin | Second | 11 out |
| Wednesday, August 28 |
| » Defeated Astros (62-72), 4-3 | Candlestick Park (35-32) | 72-60 | Won 3 |
| » Starters: Mike Cuellar vs Ray Sadecki | Third | 11 out |
| Thursday, August 29 |
| » Lost to Astros (63-72), 6-1 | Candlestick Park (35-33) | 72-61 | |
| » Starters: Dave Giusti vs Juan Marichal | Third | 12 out |
| Friday, August 30 |
| » Lost to Dodgers (58-76), 5-4 | Candlestick Park (35-34) | 72-62 | Lost 2 |
| » Starters: Claude Osteen vs Gaylord Perry | Third | 12 out |
| Saturday, August 31 |
| » Defeated Dodgers (58-77), 5-1 | Candlestick Park (36-34) | 73-62 | |
| » Starters: Don Sutton vs Mike McCormick | Second | 12 out |
| Former Giant Jay Kirke dies in New Orleans, LA at the age of 81. |
| Sunday, September 1 |
| » Lost to Dodgers (59-77), 3-2 | Candlestick Park (36-35) | 73-63 | |
| » Starters: Bill Singer vs Ray Sadecki | Second | 13 out |
| Monday, September 2 |
| » Defeated Cubs (72-68), 8-4 | Wrigley Field (3-3) | 74-63 | |
| » Starters: Juan Marichal vs Ken Holtzman | Second | 13 out |
| » Tied Cubs, 1-1 | Wrigley Field (3-3) | 74-63 | |
| » Starters: Bobby Bolin vs Gary Ross | Second | 13 out |
| Tuesday, September 3 |
| » Lost to Cubs (73-68), 8-3 | Wrigley Field (3-4) | 74-64 | |
| » Starters: Gaylord Perry vs Fergie Jenkins | Second | 14 out |
| Wednesday, September 4 |
| » Lost to Cubs (74-68), 7-6 | Wrigley Field (3-5) | 74-65 | Lost 2 |
| » Starters: Mike McCormick vs Joe Niekro | Second | 13½ out |
| » Defeated Cubs (74-69), 5-4 | Wrigley Field (4-5) | 75-65 | |
| » Starters: Ron Herbel vs Ken Holtzman | Second | 13½ out |
| Friday, September 6 |
| » Defeated Cardinals (89-53), 3-2 | Busch Stadium II (4-2) | 76-65 | Won 2 |
| » Starters: Bobby Bolin vs Bob Gibson | Second | 11½ out |
| » Defeated Cardinals (89-54), 8-7 | Busch Stadium II (5-2) | 77-65 | Won 3 |
| » Starters: Juan Marichal vs Steve Carlton | Second | 11½ out |
| Saturday, September 7 |
| » Defeated Cardinals (89-55), 5-1 | Busch Stadium II (6-2) | 78-65 | Won 4 |
| » Starters: Gaylord Perry vs Ray Washburn | Second | 10½ out |
| Sunday, September 8 |
| » Lost to Cardinals (90-55), 3-2 | Busch Stadium II (6-3) | 78-66 | |
| » Starters: Mike McCormick vs Nelson Briles | Second | 11½ out |
| Monday, September 9 |
| » Lost to Braves (74-71), 2-1 | Atlanta-Fulton County Stadium (3-4) | 78-67 | Lost 2 |
| » Starters: Ray Sadecki vs George Stone | Second | 11½ out |
| Tuesday, September 10 |
| » Defeated Braves (74-72), 4-2 | Atlanta-Fulton County Stadium (4-4) | 79-67 | |
| » Starters: Bobby Bolin vs Al Santorini | Second | 10½ out |
| » Major-league debuts: Al Santorini (Braves) |
| Wednesday, September 11 |
| » Lost to Braves (75-72), 3-1 | Atlanta-Fulton County Stadium (4-5) | 79-68 | |
| » Starters: Juan Marichal vs Pat Jarvis | Second | 11½ out |
| Friday, September 13 |
| » Lost to Reds (77-69), 6-3 | Candlestick Park (36-36) | 79-69 | Lost 2 |
| » Starters: Jim Maloney vs Gaylord Perry | Second | 11½ out |
| Saturday, September 14 |
| » Defeated Reds (77-70), 9-1 | Candlestick Park (37-36) | 80-69 | |
| » Starters: Gerry Arrigo vs Bobby Bolin | Second | 11½ out |
| Former Giant Hans Lobert dies in Philadelphia, PA at the age of 87. |
| Sunday, September 15 |
| » Lost to Reds (78-70), 4-0 | Candlestick Park (37-37) | 80-70 | |
| » Starters: George Culver vs Ray Sadecki | Second | 12½ out |
| Monday, September 16 |
| » Defeated Reds (78-71), 8-4 | Candlestick Park (38-37) | 81-70 | |
| » Starters: Gary Nolan vs Mike McCormick | Second | 12 out |
| Tuesday, September 17 |
| » Defeated Cardinals (93-59), 1-0 | Candlestick Park (39-37) | 82-70 | Won 2 |
| » Starters: Bob Gibson vs Gaylord Perry | Second | 11 out |
| Wednesday, September 18 |
| » Lost to Cardinals (94-59), 2-0 | Candlestick Park (39-38) | 82-71 | |
| » Starters: Ray Washburn vs Bobby Bolin | Second | 12 out |
| Thursday, September 19 |
| » Defeated Cardinals (94-60), 11-5 | Candlestick Park (40-38) | 83-71 | |
| » Starters: Nelson Briles vs Rich Robertson | Second | 11 out |
| » Major-league debuts: Joe Hague (Cardinals) |
| Friday, September 20 |
| » Defeated Braves (78-77), 8-1 | Candlestick Park (41-38) | 84-71 | Won 2 |
| » Starters: George Stone vs Juan Marichal | Second | 10 out |
| Saturday, September 21 |
| » Lost to Braves (79-77), 2-1 | Candlestick Park (41-39) | 84-72 | |
| » Starters: Ron Reed vs Gaylord Perry | Second | 10 out |
| Sunday, September 22 |
| » Defeated Braves (79-78), 10-2 | Candlestick Park (42-39) | 85-72 | |
| » Starters: Pat Jarvis vs Bobby Bolin | Second | 9 out |
| Monday, September 23 |
| » Major-league debuts: Richie Hebner and |
