| Friday, January 13 |
| Former Giant Merwin Jacobson dies in Baltimore, MD at the age of 84. |
| Friday, February 3 |
| Former Giant Pete Compton dies in Kansas City, MO at the age of 89. |
| Wednesday, March 8 |
| Former Giant Red Smith dies in Toledo, OH at the age of 74. |
| Tuesday, March 14 |
| Former Giant Kent Greenfield dies in Guthrie, KY at the age of 76. |
| Tuesday, April 4 |
| Future Giant Jason Ellison is born in Quincy, CA. |
| Wednesday, April 5 |
| » Major-league debuts: Hosken Powell (Twins) |
| Friday, April 7 |
| » Lost to Padres (1-0), 3-2 | Candlestick Park (0-1) | 0-1 | |
| » W: Mickey Lolich (1-0) L: Gary Lavelle (0-1) S: Rollie Fingers (1) | Third | 1½ out |
| » Major-league debuts: Don Reynolds and Ozzie Smith (Padres) |
| Saturday, April 8 |
| » Defeated Padres (1-1), 6-0 | Candlestick Park (1-1) | 1-1 | |
| » W: Jim Barr (1-0) L: Bob Shirley (0-1) | Third | 1½ out |
| » Major-league debuts: Rick Sweet (Padres) |
| Sunday, April 9 |
| » Defeated Padres (1-2), 7-5 | Candlestick Park (2-1) | 2-1 | Won 2 |
| » W: Gary Lavelle (1-1) L: Rollie Fingers (0-1) S: Randy Moffitt (1) | Third | 1½ out |
| Tuesday, April 11 |
| » Defeated Reds (4-1), 3-2 | Riverfront Stadium (1-0) | 3-1 | Won 3 |
| » W: Gary Lavelle (2-1) L: Dave Tomlin (0-1) | Second | ½ out |
| Wednesday, April 12 |
| » Lost to Reds (5-1), 12-3 | Riverfront Stadium (1-1) | 3-2 | |
| » W: Bill Bonham (2-0) L: Vida Blue (0-1) | Third | 1½ out |
| Thursday, April 13 |
| » Lost to Reds (6-1), 7-6 | Riverfront Stadium (1-2) | 3-3 | Lost 2 |
| » W: Manny Sarmiento (1-0) L: John Curtis (0-1) | Third | 2½ out |
| Friday, April 14 |
| » Defeated Padres (2-4), 3-2 | San Diego/Jack Murphy Stadium (1-0) | 4-3 | |
| » W: Randy Moffitt (1-0) L: Rollie Fingers (1-2) | Third | 2½ out |
| Sunday, April 16 |
| » Defeated Padres (2-5), 8-4 | San Diego/Jack Murphy Stadium (2-0) | 5-3 | Won 2 |
| » W: Bob Knepper (1-0) L: Bob Owchinko (0-1) S: Gary Lavelle (1) | Third | 1 out |
| Monday, April 17 |
| » Defeated Braves (1-7), 5-1 | Candlestick Park (3-1) | 6-3 | Won 3 |
| » W: Vida Blue (1-1) L: Tommy Boggs (0-2) | Second | 1 out |
| Tuesday, April 18 |
| » Lost to Braves (2-7), 1-0 | Candlestick Park (3-2) | 6-4 | |
| » W: Preston Hanna (1-0) L: John Montefusco (0-1) S: Adrian Devine (1) | Second | 2 out |
| Wednesday, April 19 |
| » Lost to Braves (3-7), 2-0 | Candlestick Park (3-3) | 6-5 | Lost 2 |
| » W: Dick Ruthven (1-2) L: Jim Barr (1-1) | Third | 2 out |
| Friday, April 21 |
| » Defeated Reds (9-5), 3-0 | Candlestick Park (4-3) | 7-5 | |
| » W: Bob Knepper (2-0) L: Tom Seaver (0-1) | Third | 1 out |
| Saturday, April 22 |
| » Lost to Reds (10-5), 5-4 | Candlestick Park (4-4) | 7-6 | |
| » W: Dave Tomlin (1-1) L: Gary Lavelle (2-2) | Third | 2 out |
| Sunday, April 23 |
| » Lost to Reds (11-5), 2-1 | Candlestick Park (4-5) | 7-7 | Lost 2 |
| » W: Dale Murray (1-0) L: Randy Moffitt (1-1) S: Doug Bair (2) | Third | 3 out |
| Tuesday, April 25 |
| » Lost to Braves (4-11), 3-1 | Atlanta-Fulton County Stadium (0-1) | 7-8 | Lost 3 |
| » W: Phil Niekro (1-4) L: Jim Barr (1-2) | Fourth | 3½ out |
| Wednesday, April 26 |
| » Lost to Braves (5-11), 6-1 | Atlanta-Fulton County Stadium (0-2) | 7-9 | Lost 4 |
| » W: Preston Hanna (2-0) L: Bob Knepper (2-1) S: Eddie Solomon (1) | Fourth | 4½ out |
| Thursday, April 27 |
| » Defeated Braves (5-12), 5-3 | Atlanta-Fulton County Stadium (1-2) | 8-9 | |
| » W: Vida Blue (2-1) L: Dick Ruthven (1-3) | Fourth | 4 out |
| Friday, April 28 |
| » Defeated Pirates (9-8), 5-4 | Three Rivers Stadium (1-0) | 9-9 | Won 2 |
| » W: John Montefusco (1-1) L: John Candelaria (1-3) S: Gary Lavelle (2) | Third | 4 out |
| Saturday, April 29 |
| » Lost to Pirates (10-8), 6-2 | Three Rivers Stadium (1-1) | 9-10 | |
| » W: Don Robinson (2-1) L: Jim Barr (1-3) | Fourth | 4 out |
| Sunday, April 30 |
| » Defeated Pirates (10-9), 7-3 | Three Rivers Stadium (2-1) | 10-10 | |
| » W: Bob Knepper (3-1) L: Bert Blyleven (1-2) | Third | 3 out |
| Monday, May 1 |
| » Defeated Cardinals (9-13), 2-1 | Busch Stadium II (1-0) | 11-10 | Won 2 |
| » W: Vida Blue (3-1) L: John Denny (2-1) S: Randy Moffitt (2) | Third | 2½ out |
| Tuesday, May 2 |
| » Lost to Cardinals (10-13), 9-0 | Busch Stadium II (1-1) | 11-11 | |
| » W: Bob Forsch (4-2) L: John Montefusco (1-2) | Third | 2½ out |
| Wednesday, May 3 |
| » Defeated Cardinals (10-14), 4-0 | Busch Stadium II (2-1) | 12-11 | |
| » W: Jim Barr (2-3) L: Eric Rasmussen (2-3) | Third | 2½ out |
| Saturday, May 6 |
| » Defeated Cubs (12-12), 2-1 | Wrigley Field (1-0) | 13-11 | Won 2 |
| » W: Randy Moffitt (2-1) L: Willie Hernandez (2-1) S: Gary Lavelle (3) | Third | 2½ out |
| Sunday, May 7 |
| » Defeated Cubs (12-13), 2-1 | Wrigley Field (2-0) | 14-11 | Won 3 |
| » W: Vida Blue (4-1) L: Ray Burris (2-2) S: Gary Lavelle (4) | Third | 1½ out |
| Tuesday, May 9 |
| » Defeated Pirates (13-13), 3-2 | Candlestick Park (5-5) | 15-11 | Won 4 |
| » W: John Curtis (1-1) L: Kent Tekulve (2-1) | Third | 1½ out |
| Wednesday, May 10 |
| » Lost to Pirates (14-13), 5-1 | Candlestick Park (5-6) | 15-12 | |
| » W: Bert Blyleven (2-3) L: Jim Barr (2-4) | Third | 1½ out |
| Thursday, May 11 |
| » Defeated Pirates (14-14), 6-2 | Candlestick Park (6-6) | 16-12 | |
| » W: Bob Knepper (4-1) L: John Candelaria (2-5) | Second | ½ out |
| Friday, May 12 |
| » Defeated Cardinals (14-17), 9-3 | Candlestick Park (7-6) | 17-12 | Won 2 |
| » W: Vida Blue (5-1) L: John Urrea (2-4) | First | -- |
| Saturday, May 13 |
| » Defeated Cardinals (14-18), 7-6 | Candlestick Park (8-6) | 18-12 | Won 3 |
| » W: John Montefusco (2-2) L: Mark Littell (1-3) S: Gary Lavelle (5) | First | -- |
| Sunday, May 14 |
| » Defeated Cardinals (14-19), 5-4 | Candlestick Park (9-6) | 19-12 | Won 4 |
| » W: Gary Lavelle (3-2) L: Mark Littell (1-4) | First | -- |
| » Defeated Cardinals (14-20), 4-3 | Candlestick Park (10-6) | 20-12 | Won 5 |
| » W: Charlie Williams (1-0) L: Mark Littell (1-5) | First | -- |
| Tuesday, May 16 |
| » Defeated Cubs (16-16), 4-3 | Candlestick Park (11-6) | 21-12 | Won 6 |
| » W: Bob Knepper (5-1) L: Rick Reuschel (3-3) | First | -- |
| Wednesday, May 17 |
| » Defeated Cubs (16-17), 9-5 | Candlestick Park (12-6) | 22-12 | Won 7 |
| » W: Vida Blue (6-1) L: Ray Burris (2-3) | First | -- |
| Friday, May 19 |
| » Defeated Dodgers (21-15), 10-7 | Dodger Stadium (1-0) | 23-12 | Won 8 |
| » W: John Montefusco (3-2) L: Bobby Castillo (0-3) S: Gary Lavelle (6) | First | -- |
| Saturday, May 20 |
| » Lost to Dodgers (22-15), 3-2 | Dodger Stadium (1-1) | 23-13 | |
| » W: Terry Forster (1-0) L: Gary Lavelle (3-3) | First | -- |
| Sunday, May 21 |
| » Lost to Dodgers (23-15), 4-1 | Dodger Stadium (1-2) | 23-14 | Lost 2 |
| » W: Burt Hooton (3-4) L: Bob Knepper (5-2) S: Terry Forster (7) | First | -- |
| Tuesday, May 23 |
| » Defeated Astros (18-19), 3-2 | Candlestick Park (13-6) | 24-14 | |
| » W: Randy Moffitt (3-1) L: Joe Sambito (2-2) | First | -- |
| Wednesday, May 24 |
| » Defeated Astros (18-20), 2-0 | Candlestick Park (14-6) | 25-14 | Won 2 |
| » W: John Montefusco (4-2) L: Ken Forsch (1-2) S: Gary Lavelle (7) | First | -- |
| Thursday, May 25 |
| » Defeated Astros (18-21), 9-1 | Candlestick Park (15-6) | 26-14 | Won 3 |
| » W: Ed Halicki (1-0) L: J.R. Richard (4-4) | First | -- |
| Friday, May 26 |
| » Defeated Dodgers (24-18), 6-1 | Candlestick Park (16-6) | 27-14 | Won 4 |
| » W: Bob Knepper (6-2) L: Doug Rau (5-1) | First | -- |
| Saturday, May 27 |
| » Lost to Dodgers (25-18), 3-1 | Candlestick Park (16-7) | 27-15 | |
| » W: Burt Hooton (4-4) L: Vida Blue (6-2) S: Terry Forster (8) | First | -- |
| Sunday, May 28 |
| » Defeated Dodgers (25-19), 6-5 | Candlestick Park (17-7) | 28-15 | |
| » W: Randy Moffitt (4-1) L: Don Sutton (4-5) | First | -- |
| Monday, May 29 |
| » Defeated Astros (19-24), 8-1 | Astrodome (1-0) | 29-15 | Won 2 |
| » W: Ed Halicki (2-0) L: Floyd Bannister (1-3) | First | -- |
| Tuesday, May 30 |
| » Defeated Astros (19-25), 1-0 | Astrodome (2-0) | 30-15 | Won 3 |
| » W: Bob Knepper (7-2) L: J.R. Richard (4-5) | First | -- |
| Wednesday, May 31 |
| » Lost to Astros (20-25), 1-0 | Astrodome (2-1) | 30-16 | |
| » W: Mark Lemongello (5-5) L: Vida Blue (6-3) | First | -- |
| Friday, June 2 |
| » Defeated Expos (25-23), 6-5 | Stade Olympique (1-0) | 31-16 | |
| » W: Gary Lavelle (4-3) L: Darold Knowles (2-1) S: Randy Moffitt (3) | First | -- |
| Saturday, June 3 |
| » Lost to Expos (26-23), 5-3 | Stade Olympique (1-1) | 31-17 | |
| » W: Ross Grimsley (9-2) L: Ed Halicki (2-1) | First | -- |
| Sunday, June 4 |
| » Defeated Expos (26-24), 3-2 | Stade Olympique (2-1) | 32-17 | |
| » W: Randy Moffitt (5-1) L: Mike Garman (0-2) | First | -- |
| Monday, June 5 |
| » Lost to Phillies (26-21), 4-3 | Veteran's Stadium (0-1) | 32-18 | |
| » W: Steve Carlton (6-5) L: Vida Blue (6-4) S: Ron Reed (3) | First | -- |
| Tuesday, June 6 |
| » Lost to Phillies (27-21), 7-6 | Veteran's Stadium (0-2) | 32-19 | Lost 2 |
| » W: Tug McGraw (5-3) L: Gary Lavelle (4-4) | First | -- |
| Wednesday, June 7 |
| » Lost to Phillies (28-21), 5-4 | Veteran's Stadium (0-3) | 32-20 | Lost 3 |
| » W: Tug McGraw (6-3) L: Randy Moffitt (5-2) | Second | 1½ out |
| Friday, June 9 |
| » Lost to Mets (27-30), 3-2 | Shea Stadium (0-1) | 32-21 | Lost 4 |
| » W: Skip Lockwood (6-4) L: Bob Knepper (7-3) | First | -- |
| Saturday, June 10 |
| » Defeated Mets (27-31), 2-1 | Shea Stadium (1-1) | 33-21 | |
| » W: Vida Blue (7-4) L: Kevin Kobel (0-1) S: Gary Lavelle (8) | First | -- |
| Sunday, June 11 |
| » Defeated Mets (27-32), 7-5 | Shea Stadium (2-1) | 34-21 | Won 2 |
| » W: John Montefusco (5-2) L: Nino Espinosa (5-5) S: Gary Lavelle (9) | First | -- |
| Monday, June 12 |
| » Defeated Expos (31-27), 1-0 | Candlestick Park (18-7) | 35-21 | Won 3 |
| » W: Ed Halicki (3-1) L: Steve Rogers (7-6) | First | -- |
| Tuesday, June 13 |
| » Defeated Expos (31-28), 9-5 | Candlestick Park (19-7) | 36-21 | Won 4 |
| » W: Bob Knepper (8-3) L: Rudy May (6-6) | First | -- |
| Wednesday, June 14 |
| » Defeated Phillies (30-25), 2-1 | Candlestick Park (20-7) | 37-21 | Won 5 |
| » W: Vida Blue (8-4) L: Larry Christenson (4-5) S: Randy Moffitt (4) | First | -- |
| Thursday, June 15 |
| » Defeated Phillies (30-26), 6-1 | Candlestick Park (21-7) | 38-21 | Won 6 |
| » W: John Montefusco (6-2) L: Jim Kaat (3-1) | First | -- |
| Friday, June 16 |
| » Defeated Mets (28-36), 7-4 | Candlestick Park (22-7) | 39-21 | Won 7 |
| » W: Gary Lavelle (5-4) L: Skip Lockwood (7-5) | First | -- |
| Saturday, June 17 |
| » Lost to Mets (29-36), 5-4 | Candlestick Park (22-8) | 39-22 | |
| » W: Pat Zachry (8-2) L: Bob Knepper (8-4) S: Dale Murray (4) | First | -- |
| Sunday, June 18 |
| » Defeated Mets (29-37), 3-0 | Candlestick Park (23-8) | 40-22 | |
| » W: Vida Blue (9-4) L: Craig Swan (1-4) | First | -- |
| » Defeated Mets (29-38), 4-3 | Candlestick Park (24-8) | 41-22 | Won 2 |
| » W: Randy Moffitt (6-2) L: Dale Murray (2-3) | First | -- |
| Tuesday, June 20 |
| » Lost to Reds (41-25), 6-3 | Candlestick Park (24-9) | 41-23 | |
| » W: Pedro Borbon (4-1) L: Gary Lavelle (5-5) S: Dave Tomlin (2) | First | -- |
| Wednesday, June 21 |
| » Defeated Reds (41-26), 3-0 | Candlestick Park (25-9) | 42-23 | |
| » W: Ed Halicki (4-1) L: Tom Seaver (8-5) | First | -- |
| Thursday, June 22 |
| » Lost to Reds (42-26), 5-0 | Candlestick Park (25-10) | 42-24 | |
| » W: Bill Bonham (8-1) L: Bob Knepper (8-5) S: Manny Sarmiento (4) | First | -- |
| Friday, June 23 |
| » Defeated Braves (27-38), 9-0 | Candlestick Park (26-10) | 43-24 | |
| » W: Vida Blue (10-4) L: Preston Hanna (6-2) | First | -- |
| Saturday, June 24 |
| » Defeated Braves (27-39), 2-1 | Candlestick Park (27-10) | 44-24 | Won 2 |
| » W: Jim Barr (3-4) L: Phil Niekro (8-8) | First | -- |
| Sunday, June 25 |
| » Defeated Braves (27-40), 9-3 | Candlestick Park (28-10) | 45-24 | Won 3 |
| » W: John Montefusco (7-2) L: Preston Hanna (6-3) | First | -- |
| » Lost to Braves (28-40), 8-4 | Candlestick Park (28-11) | 45-25 | |
| » W: Craig Skok (1-0) L: Randy Moffitt (6-3) | First | -- |
| Monday, June 26 |
| » Lost to Padres (35-37), 2-1 | San Diego/Jack Murphy Stadium (2-1) | 45-26 | Lost 2 |
| » W: Rollie Fingers (4-7) L: Gary Lavelle (5-6) | First | -- |
| Tuesday, June 27 |
| » Defeated Padres (35-38), 9-1 | San Diego/Jack Murphy Stadium (3-1) | 46-26 | |
| » W: Vida Blue (11-4) L: Gaylord Perry (8-3) | First | -- |
| Wednesday, June 28 |
| » Defeated Padres (35-39), 4-2 | San Diego/Jack Murphy Stadium (4-1) | 47-26 | Won 2 |
| » W: Jim Barr (4-4) L: Randy Jones (5-7) S: Randy Moffitt (5) | First | -- |
| » Lost to Padres (36-39), 4-1 | San Diego/Jack Murphy Stadium (4-2) | 47-27 | |
| » W: Eric Rasmussen (5-7) L: Charlie Williams (1-1) S: John D'Acquisto (5) | First | -- |
| Friday, June 30 |
| » Lost to Braves (30-43), 10-9 | Atlanta-Fulton County Stadium (1-3) | 47-28 | Lost 2 |
| » W: Gene Garber (3-1) L: Gary Lavelle (5-7) | First | -- |
| » Lost to Braves (31-43), 10-5 | Atlanta-Fulton County Stadium (1-4) | 47-29 | Lost 3 |
| » W: Mickey Mahler (2-4) L: Ed Halicki (4-2) | First | -- |
| Saturday, July 1 |
| » Defeated Braves (31-44), 15-4 | Atlanta-Fulton County Stadium (2-4) | 48-29 | |
| » W: Bob Knepper (9-5) L: Adrian Devine (5-4) | First | -- |
| Sunday, July 2 |
| » Lost to Braves (32-44), 9-7 | Atlanta-Fulton County Stadium (2-5) | 48-30 | |
| » W: Phil Niekro (9-9) L: Randy Moffitt (6-4) S: Gene Garber (7) | First | -- |
| Monday, July 3 |
| » Lost to Padres (40-40), 4-3 | Candlestick Park (28-12) | 48-31 | Lost 2 |
| » W: Randy Jones (6-7) L: Jim Barr (4-5) S: Rollie Fingers (19) | First | -- |
| Tuesday, July 4 |
| » Lost to Padres (41-40), 7-5 | Candlestick Park (28-13) | 48-32 | Lost 3 |
| » W: Eric Rasmussen (6-7) L: John Montefusco (7-3) S: John D'Acquisto (7) | First | -- |
| Wednesday, July 5 |
| » Defeated Padres (41-41), 5-4 | Candlestick Park (29-13) | 49-32 | |
| » W: John Curtis (2-1) L: Rollie Fingers (4-8) | First | -- |
| Thursday, July 6 |
| » Defeated Padres (41-42), 5-4 | Candlestick Park (30-13) | 50-32 | Won 2 |
| » W: Bob Knepper (10-5) L: Randy Jones (6-8) S: Randy Moffitt (6) | First | -- |
| Friday, July 7 |
| » Defeated Reds (47-36), 7-6 | Riverfront Stadium (2-2) | 51-32 | Won 3 |
| » W: Vida Blue (12-4) L: Tom Seaver (9-7) S: Gary Lavelle (10) | First | -- |
| » Lost to Reds (48-36), 2-1 | Riverfront Stadium (2-3) | 51-33 | |
| » W: Bill Bonham (9-2) L: Jim Barr (4-6) S: Doug Bair (14) | First | -- |
| Saturday, July 8 |
| » Defeated Reds (48-37), 4-2 | Riverfront Stadium (3-3) | 52-33 | |
| » W: Gary Lavelle (6-7) L: Manny Sarmiento (6-5) | First | -- |
| Sunday, July 9 |
| » Lost to Reds (49-37), 8-2 | Riverfront Stadium (3-4) | 52-34 | |
| » W: Tom Hume (3-9) L: Ed Halicki (4-3) S: Dave Tomlin (4) | First | -- |
| Thursday, July 13 |
| » Defeated Pirates (40-42), 4-0 | Three Rivers Stadium (3-1) | 53-34 | |
| » W: Bob Knepper (11-5) L: John Candelaria (8-9) | First | -- |
| Friday, July 14 |
| » Lost to Pirates (41-42), 5-2 | Three Rivers Stadium (3-2) | 53-35 | |
| » W: Jim Rooker (4-6) L: John Montefusco (7-4) S: Kent Tekulve (14) | First | -- |
| Saturday, July 15 |
| » Defeated Pirates (41-43), 6-5 | Three Rivers Stadium (4-2) | 54-35 | |
| » W: Gary Lavelle (7-7) L: Ed Whitson (2-3) | First | -- |
| Sunday, July 16 |
| » Lost to Cardinals (37-54), 9-4 | Busch Stadium II (2-2) | 54-36 | |
| » W: Silvio Martinez (4-3) L: Jim Barr (4-7) S: Buddy Schultz (5) | First | -- |
| » Defeated Cardinals (37-55), 6-0 | Busch Stadium II (3-2) | 55-36 | |
| » W: Ed Halicki (5-3) L: John Urrea (3-9) | First | -- |
| Monday, July 17 |
| » Defeated Cardinals (37-56), 9-7 | Busch Stadium II (4-2) | 56-36 | Won 2 |
| » W: Gary Lavelle (8-7) L: Buddy Schultz (1-3) | First | -- |
| Tuesday, July 18 |
| » Lost to Cubs (46-43), 7-6 | Wrigley Field (2-1) | 56-37 | |
| » W: Bruce Sutter (7-3) L: Charlie Williams (1-2) | First | -- |
| Wednesday, July 19 |
| » Defeated Cubs (46-44), 7-4 | Wrigley Field (3-1) | 57-37 | |
| » W: Vida Blue (13-4) L: Ray Burris (5-8) S: Gary Lavelle (11) | First | -- |
| » Lost to Cubs (47-44), 7-5 | Wrigley Field (3-2) | 57-38 | |
| » W: Donnie Moore (5-2) L: Jim Barr (4-8) S: Bruce Sutter (16) | First | -- |
| Future Giant Yorvit Torrealba is born in Caracas, Venezuela. |
| Thursday, July 20 |
| » Defeated Cubs (47-45), 9-8 | Wrigley Field (4-2) | 58-38 | |
| » W: Gary Lavelle (9-7) L: Donnie Moore (5-3) S: Randy Moffitt (7) | First | -- |
| Friday, July 21 |
| » Lost to Pirates (47-44), 3-0 | Candlestick Park (30-14) | 58-39 | |
| » W: Jim Bibby (6-4) L: Bob Knepper (11-6) | First | -- |
| Saturday, July 22 |
| » Defeated Pirates (47-45), 3-2 | Candlestick Park (31-14) | 59-39 | |
| » W: John Curtis (3-1) L: Kent Tekulve (5-6) | First | -- |
| Sunday, July 23 |
| » Defeated Pirates (47-46), 3-1 | Candlestick Park (32-14) | 60-39 | Won 2 |
| » W: Jim Barr (5-8) L: John Candelaria (8-10) | First | -- |
| Tuesday, July 25 |
| » Defeated Cardinals (39-61), 3-2 | Candlestick Park (33-14) | 61-39 | Won 3 |
| » W: Vida Blue (14-4) L: Bob Forsch (9-10) | First | -- |
| Wednesday, July 26 |
| » Lost to Cardinals (40-61), 2-1 | Candlestick Park (33-15) | 61-40 | |
| » W: Silvio Martinez (5-4) L: Ed Halicki (5-4) | First | -- |
| Friday, July 28 |
| » Lost to Cubs (50-49), 1-0 | Candlestick Park (33-16) | 61-41 | Lost 2 |
| » W: Dennis Lamp (4-10) L: Bob Knepper (11-7) | First | -- |
| Saturday, July 29 |
| » Lost to Cubs (51-49), 5-3 | Candlestick Park (33-17) | 61-42 | Lost 3 |
| » W: Willie Hernandez (6-2) L: Gary Lavelle (9-8) S: Ray Burris (1) | First | -- |
| Sunday, July 30 |
| » Defeated Cubs (51-50), 4-2 | Candlestick Park (34-17) | 62-42 | |
| » W: Jim Barr (6-8) L: Rick Reuschel (9-9) S: Randy Moffitt (8) | First | -- |
| » Defeated Cubs (51-51), 1-0 | Candlestick Park (35-17) | 63-42 | Won 2 |
| » W: Vida Blue (15-4) L: Dave Roberts (4-6) | First | -- |
| Monday, July 31 |
| » Lost to Astros (48-56), 4-1 | Astrodome (2-2) | 63-43 | |
| » W: Joe Niekro (8-8) L: Ed Halicki (5-5) | First | -- |
| Tuesday, August 1 |
| » Lost to Astros (49-56), 4-2 | Astrodome (2-3) | 63-44 | Lost 2 |
| » W: J.R. Richard (11-9) L: Bob Knepper (11-8) S: Joe Sambito (8) | First | -- |
| Wednesday, August 2 |
| » Defeated Astros (49-57), 4-2 | Astrodome (3-3) | 64-44 | |
| » W: John Montefusco (8-4) L: Tom Dixon (5-8) | First | -- |
| Thursday, August 3 |
| » Defeated Dodgers (61-47), 5-4 | Candlestick Park (36-17) | 65-44 | Won 2 |
| » W: Randy Moffitt (7-4) L: Terry Forster (3-4) | First | -- |
| Friday, August 4 |
| » Defeated Dodgers (61-48), 2-1 | Candlestick Park (37-17) | 66-44 | Won 3 |
| » W: Vida Blue (16-4) L: Doug Rau (10-7) S: Randy Moffitt (9) | First | -- |
| Saturday, August 5 |
| » Lost to Dodgers (62-48), 2-0 | Candlestick Park (37-18) | 66-45 | |
| » W: Bob Welch (3-0) L: Ed Halicki (5-6) | First | -- |
| Sunday, August 6 |
| » Lost to Dodgers (63-48), 5-1 | Candlestick Park (37-19) | 66-46 | Lost 2 |
| » W: Burt Hooton (12-8) L: Bob Knepper (11-9) | Second | 1 out |
| Tuesday, August 8 |
| » Defeated Astros (51-60), 3-2 | Candlestick Park (38-19) | 67-46 | |
| » W: John Montefusco (9-4) L: Tom Dixon (5-9) S: Randy Moffitt (10) | First | -- |
| Wednesday, August 9 |
| » Lost to Astros (52-60), 6-5 | Candlestick Park (38-20) | 67-47 | |
| » W: Mark Lemongello (8-10) L: Jim Barr (6-9) S: Ken Forsch (5) | First | -- |
| Thursday, August 10 |
| » Lost to Dodgers (67-48), 12-2 | Dodger Stadium (1-3) | 67-48 | Lost 2 |
| » W: Bob Welch (4-0) L: Vida Blue (16-5) | First | -- |
| Friday, August 11 |
| » Lost to Dodgers (68-48), 4-3 | Dodger Stadium (1-4) | 67-49 | Lost 3 |
| » W: Terry Forster (4-4) L: Gary Lavelle (9-9) | Third | 1 out |
| Saturday, August 12 |
| » Defeated Dodgers (68-49), 3-2 | Dodger Stadium (2-4) | 68-49 | |
| » W: Bob Knepper (12-9) L: Tommy John (13-9) | First | -- |
| Sunday, August 13 |
| » Defeated Dodgers (68-50), 7-6 | Dodger Stadium (3-4) | 69-49 | Won 2 |
| » W: John Curtis (4-1) L: Charlie Hough (3-3) S: Ed Halicki (1) | First | -- |
| Tuesday, August 15 |
| » Lost to Expos (57-62), 4-3 | Stade Olympique (2-2) | 69-50 | |
| » W: Hal Dues (5-4) L: Charlie Williams (1-3) | First | -- |
| Wednesday, August 16 |
| » Lost to Expos (58-62), 1-0 | Stade Olympique (2-3) | 69-51 | Lost 2 |
| » W: Woodie Fryman (7-7) L: Vida Blue (16-6) | Second | 1 out |
| Thursday, August 17 |
| » Defeated Expos (58-63), 3-0 | Stade Olympique (3-3) | 70-51 | |
| » W: Ed Halicki (6-6) L: Ross Grimsley (14-9) | Second | 1 out |
| Friday, August 18 |
| » Defeated Phillies (63-55), 6-5 | Veteran's Stadium (1-3) | 71-51 | Won 2 |
| » W: Gary Lavelle (10-9) L: Tug McGraw (8-5) | Second | 1 out |
| Former Giant George Harper dies in Magnolia, AR at the age of 87. |
| Saturday, August 19 |
| » Lost to Phillies (64-55), 3-0 | Veteran's Stadium (1-4) | 71-52 | |
| » W: Steve Carlton (12-11) L: John Montefusco (9-5) | Second | 1 out |
| Sunday, August 20 |
| » Lost to Phillies (65-55), 5-3 | Veteran's Stadium (1-5) | 71-53 | Lost 2 |
| » W: Dick Ruthven (11-9) L: Jim Barr (6-10) S: Ron Reed (10) | Second | 2 out |
| Monday, August 21 |
| » Defeated Mets (50-74), 4-2 | Shea Stadium (3-1) | 72-53 | |
| » W: Randy Moffitt (8-4) L: Kevin Kobel (2-4) S: Gary Lavelle (12) | Second | 1 out |
| Tuesday, August 22 |
| » Defeated Mets (50-75), 7-4 | Shea Stadium (4-1) | 73-53 | Won 2 |
| » W: Ed Halicki (7-6) L: Nino Espinosa (9-12) S: Randy Moffitt (11) | Second | ½ out |
| Wednesday, August 23 |
| » Defeated Mets (50-76), 2-1 | Shea Stadium (5-1) | 74-53 | Won 3 |
| » W: Bob Knepper (13-9) L: Skip Lockwood (7-12) S: Gary Lavelle (13) | Second | ½ out |
| Friday, August 25 |
| » Lost to Expos (60-67), 8-5 | Candlestick Park (38-21) | 74-54 | |
| » W: Dan Schatzeder (6-4) L: Greg Minton (0-1) S: Stan Bahnsen (7) | Second | 2 out |
| Saturday, August 26 |
| » Defeated Expos (60-68), 4-1 | Candlestick Park (39-21) | 75-54 | |
| » W: Jim Barr (7-10) L: Woodie Fryman (7-8) | Second | 1 out |
| Sunday, August 27 |
| » Lost to Expos (61-68), 2-1 | Candlestick Park (39-22) | 75-55 | |
| » W: Ross Grimsley (16-9) L: Vida Blue (16-7) | Second | ½ out |
| » Defeated Expos (61-69), 11-2 | Candlestick Park (40-22) | 76-55 | |
| » W: Ed Halicki (8-6) L: Scott Sanderson (0-2) | Second | ½ out |
| Tuesday, August 29 |
| » Defeated Mets (52-79), 2-0 | Candlestick Park (41-22) | 77-55 | Won 2 |
| » W: Bob Knepper (14-9) L: Tom Hausman (2-3) | Second | 1 out |
| Wednesday, August 30 |
| » Lost to Mets (53-79), 10-4 | Candlestick Park (41-23) | 77-56 | |
| » W: Craig Swan (8-5) L: John Montefusco (9-6) | Second | 2 out |
| Friday, September 1 |
| » Defeated Phillies (71-60), 4-3 | Candlestick Park (42-23) | 78-56 | |
| » W: Gary Lavelle (11-9) L: Steve Carlton (12-12) | Second | 2 out |
| Saturday, September 2 |
| » Lost to Phillies (72-60), 3-1 | Candlestick Park (42-24) | 78-57 | |
| » W: Larry Christenson (11-12) L: Gary Lavelle (11-10) | Second | 2½ out |
| » Major-league debuts: Lonnie Smith (Phillies) |
| Sunday, September 3 |
| » Defeated Phillies (72-61), 4-1 | Candlestick Park (43-24) | 79-57 | |
| » W: Bob Knepper (15-9) L: Dick Ruthven (12-10) | Second | 1 out |
| » Defeated Phillies (72-62), 3-2 | Candlestick Park (44-24) | 80-57 | Won 2 |
| » W: John Montefusco (10-6) L: Warren Brusstar (4-3) S: John Curtis (1) | Second | 1 out |
| Monday, September 4 |
| » Lost to Dodgers (82-56), 5-4 | Dodger Stadium (3-5) | 80-58 | |
| » W: Don Sutton (13-10) L: Ed Halicki (8-7) S: Terry Forster (17) | Second | 2 out |
| Wednesday, September 6 |
| » Lost to Dodgers (83-56), 9-2 | Dodger Stadium (3-6) | 80-59 | Lost 2 |
| » W: Doug Rau (13-8) L: Jim Barr (7-11) | Second | 3 out |
| Thursday, September 7 |
| » Lost to Braves (61-79), 6-5 | Atlanta-Fulton County Stadium (2-6) | 80-60 | Lost 3 |
| » W: Craig Skok (3-1) L: John Curtis (4-2) S: Gene Garber (22) | Second | 4 out |
| Friday, September 8 |
| » Defeated Braves (61-80), 8-5 | Atlanta-Fulton County Stadium (3-6) | 81-60 | |
| » W: John Montefusco (11-6) L: Eddie Solomon (4-5) S: Jim Barr (1) | Second | 3 out |
| Saturday, September 9 |
| » Lost to Reds (77-64), 6-3 | Riverfront Stadium (3-5) | 81-61 | |
| » W: Bill Bonham (11-4) L: Bob Knepper (15-10) S: Doug Bair (25) | Second | 3 out |
| Future Giant Kurt Ainsworth is born in Baton Rouge, LA. |
| Sunday, September 10 |
| » Lost to Reds (78-64), 8-1 | Riverfront Stadium (3-6) | 81-62 | Lost 2 |
| » W: Tom Seaver (13-14) L: Ed Halicki (8-8) S: Doug Bair (26) | Second | 4 out |
| » Major-league debuts: Ron Oester (Reds) |
| Monday, September 11 |
| » Lost to Dodgers (86-58), 7-2 | Candlestick Park (44-25) | 81-63 | Lost 3 |
| » W: Doug Rau (14-8) L: Vida Blue (16-8) S: Terry Forster (19) | Second | 5 out |
| Tuesday, September 12 |
| » Lost to Dodgers (87-58), 8-0 | Candlestick Park (44-26) | 81-64 | Lost 4 |
| » W: Burt Hooton (18-8) L: John Montefusco (11-7) | Second | 6 out |
| » Major-league debuts: Rudy Law (Dodgers) |
| Wednesday, September 13 |
| » Lost to Braves (64-82), 5-3 | Candlestick Park (44-27) | 81-65 | Lost 5 |
| » W: Gene Garber (4-5) L: John Curtis (4-3) | Second | 7 out |
| Thursday, September 14 |
| » Lost to Braves (65-82), 4-1 | Candlestick Park (44-28) | 81-66 | Lost 6 |
| » W: Jim Bouton (1-1) L: Ed Halicki (8-9) S: Gene Garber (24) | Second | 8 out |
| Friday, September 15 |
| » Lost to Reds (81-66), 6-1 | Candlestick Park (44-29) | 81-67 | Lost 7 |
| » W: Tom Seaver (14-14) L: Vida Blue (16-9) | Third | 9 out |
| » Major-league debuts: Phil Nastu (Giants) |
| Saturday, September 16 |
| » Defeated Reds (81-67), 3-2 | Candlestick Park (45-29) | 82-67 | |
| » W: Gary Lavelle (12-10) L: Doug Bair (7-6) | Second | 9 out |
| Sunday, September 17 |
| » Lost to Reds (82-67), 7-1 | Candlestick Park (45-30) | 82-68 | |
| » W: Paul Moskau (6-4) L: Bob Knepper (15-11) | Third | 9 out |
| Tuesday, September 19 |
| » Lost to Padres (79-73), 4-1 | San Diego/Jack Murphy Stadium (4-3) | 82-69 | Lost 2 |
| » W: Bob Owchinko (10-12) L: Ed Halicki (8-10) S: Rollie Fingers (35) | Third | 9½ out |
| Wednesday, September 20 |
| » Defeated Padres (79-74), 6-3 | San Diego/Jack Murphy Stadium (5-3) | 83-69 | |
| » W: Vida Blue (17-9) L: Eric Rasmussen (14-14) S: Gary Lavelle (14) | Third | 8½ out |
| Thursday, September 21 |
| » Lost to Padres (80-74), 5-1 | San Diego/Jack Murphy Stadium (5-4) | 83-70 | |
| » W: Gaylord Perry (20-6) L: John Montefusco (11-8) | Third | 9 out |
| Friday, September 22 |
| » Defeated Astros (69-84), 2-0 | Candlestick Park (46-30) | 84-70 | |
| » W: Bob Knepper (16-11) L: Vern Ruhle (2-3) | Third | 8 out |
| Saturday, September 23 |
| » Defeated Astros (69-85), 3-2 | Candlestick Park (47-30) | 85-70 | Won 2 |
| » W: Gary Lavelle (13-10) L: Joaquin Andujar (5-7) S: Randy Moffitt (12) | Third | 8 out |
| Sunday, September 24 |
| » Defeated Astros (69-86), 7-0 | Candlestick Park (48-30) | 86-70 | Won 3 |
| » W: Vida Blue (18-9) L: Floyd Bannister (3-9) | Third | 7½ out |
| » Defeated Astros (69-87), 6-4 | Candlestick Park (49-30) | 87-70 | Won 4 |
| » W: Jim Barr (8-11) L: Tom Dixon (6-11) | Third | 7½ out |
| Tuesday, September 26 |
| » Lost to Padres (82-76), 4-1 | Candlestick Park (49-31) | 87-71 | |
| » W: Gaylord Perry (21-6) L: John Montefusco (11-9) S: Rollie Fingers (36) | Third | 7½ out |
| Wednesday, September 27 |
| » Defeated Padres (82-77), 1-0 | Candlestick Park (50-31) | 88-71 | |
| » W: Bob Knepper (17-11) L: Eric Rasmussen (14-15) | Third | 6½ out |
| Friday, September 29 |
| » Defeated Astros (72-88), 2-1 | Astrodome (4-3) | 89-71 | Won 2 |
| » W: Ed Halicki (9-10) L: Dan Warthen (0-1) | Third | 5 out |
| Saturday, September 30 |
| » Lost to Astros (73-88), 7-4 | Astrodome (4-4) | 89-72 | |
| » W: Tom Dixon (7-11) L: Vida Blue (18-10) S: Joe Sambito (11) | Third | 6 out |
| Sunday, October 1 |
| » Lost to Astros (74-88), 3-0 | Astrodome (4-5) | 89-73 | Lost 2 |
| » W: Joe Niekro (14-14) L: Philip Nastu (0-1) S: Mark Lemongello (1) | Third | 6 out |
| Friday, October 27 |
| Former Giant Rube Walberg dies in Tempe, AZ at the age of 83. |
Game information provided by Retrosheet (www.retrosheet.org) |