| Friday, January 2 |
| Former Giant Jack Kraus dies in San Antonio, TX at the age of 58. |
| Tuesday, February 10 |
| Former Giant Eddie Moore dies in Ft.Myers, FL at the age of 78. |
| Tuesday, February 17 |
| Future Giant Cody Ransom is born in Mesa, AZ. |
| Friday, April 9 |
| » Defeated Dodgers (0-1), 4-2 | Candlestick Park (1-0) | 1-0 | |
| » W: John Montefusco (1-0) L: Don Sutton (0-1) S: Gary Lavelle (1) | First | -- |
| » Major-league debuts: Glenn Burke (Dodgers) |
| Sunday, April 11 |
| » Defeated Dodgers (0-2), 6-4 | Candlestick Park (2-0) | 2-0 | Won 2 |
| » W: Randy Moffitt (1-0) L: Mike Marshall (0-1) S: Gary Lavelle (2) | Second | ½ out |
| Monday, April 12 |
| » Lost to Astros (1-3), 5-0 | Astrodome (0-1) | 2-1 | |
| » W: J.R. Richard (1-1) L: Ed Halicki (0-1) S: Ken Forsch (1) | Second | 1 out |
| Tuesday, April 13 |
| » Lost to Astros (2-3), 2-1 | Astrodome (0-2) | 2-2 | Lost 2 |
| » W: Mike Barlow (1-0) L: John Montefusco (1-1) S: Ken Forsch (2) | Second | 2 out |
| Wednesday, April 14 |
| » Lost to Astros (3-3), 5-3 | Astrodome (0-3) | 2-3 | Lost 3 |
| » W: Larry Dierker (1-1) L: Mike Caldwell (0-1) S: Larry Hardy (1) | Fifth | 2½ out |
| Former Giant Mike McCormick dies in Ventura, CA at the age of 59. |
| Friday, April 16 |
| » Defeated Reds (4-2), 14-7 | Riverfront Stadium (1-0) | 3-3 | |
| » W: Jim Barr (1-0) L: Pat Darcy (1-1) | Third | 1 out |
| Saturday, April 17 |
| » Lost to Reds (5-2), 11-0 | Riverfront Stadium (1-1) | 3-4 | |
| » W: Fred Norman (2-0) L: Ed Halicki (0-2) | Fourth | 2 out |
| Sunday, April 18 |
| » Defeated Reds (5-3), 5-1 | Riverfront Stadium (2-1) | 4-4 | |
| » W: John Montefusco (2-1) L: Gary Nolan (1-1) S: Gary Lavelle (3) | Third | 1 out |
| Tuesday, April 20 |
| » Defeated Braves (5-4), 12-11 | Atlanta-Fulton County Stadium (1-0) | 5-4 | Won 2 |
| » W: Ed Halicki (1-2) L: Elias Sosa (1-1) | Second | 1½ out |
| Wednesday, April 21 |
| » Lost to Braves (6-4), 3-0 | Atlanta-Fulton County Stadium (1-1) | 5-5 | |
| » W: Dick Ruthven (3-0) L: Jim Barr (1-1) S: Andy Messersmith (1) | Third | 1½ out |
| Thursday, April 22 |
| Former Giant Ernie Krueger dies in Waukegan, IL at the age of 86. |
| Friday, April 23 |
| » Defeated Pirates (6-4), 7-3 | Candlestick Park (3-0) | 6-5 | |
| » W: John Montefusco (3-1) L: Jerry Reuss (2-1) S: Gary Lavelle (4) | Third | 1 out |
| Saturday, April 24 |
| » Defeated Pirates (6-5), 3-1 | Candlestick Park (4-0) | 7-5 | Won 2 |
| » W: Ed Halicki (2-2) L: Jim Rooker (1-1) S: Gary Lavelle (5) | First | -- |
| Sunday, April 25 |
| » Lost to Pirates (7-5), 3-0 | Candlestick Park (4-1) | 7-6 | |
| » W: John Candelaria (1-1) L: Mike Caldwell (0-2) | Second | 1 out |
| Monday, April 26 |
| » Lost to Cardinals (6-8), 15-7 | Candlestick Park (4-2) | 7-7 | Lost 2 |
| » W: Mike Wallace (1-1) L: Greg Minton (0-1) S: Al Hrabosky (2) | Fourth | 1 out |
| Tuesday, April 27 |
| » Lost to Cardinals (7-8), 7-1 | Candlestick Park (4-3) | 7-8 | Lost 3 |
| » W: Lynn McGlothen (2-2) L: John D'Acquisto (0-1) | Fifth | 2 out |
| Wednesday, April 28 |
| » Lost to Cardinals (8-8), 4-2 | Candlestick Park (4-4) | 7-9 | Lost 4 |
| » W: Mike Proly (1-0) L: Mike Caldwell (0-3) S: Danny Frisella (1) | Fifth | 2 out |
| Thursday, April 29 |
| Former Giant Joe Berry dies in Philadelphia, PA at the age of 82. |
| Friday, April 30 |
| » Lost to Cubs (9-10), 5-2 | Candlestick Park (4-5) | 7-10 | Lost 5 |
| » W: Rick Reuschel (1-1) L: Ed Halicki (2-3) | Sixth | 3 out |
| Saturday, May 1 |
| » Defeated Cubs (9-11), 3-1 | Candlestick Park (5-5) | 8-10 | |
| » W: Gary Lavelle (1-0) L: Buddy Schultz (1-1) | Fifth | 3 out |
| Sunday, May 2 |
| » Lost to Cubs (10-11), 6-5 | Candlestick Park (5-6) | 8-11 | |
| » W: Ken Frailing (1-0) L: Gary Lavelle (1-1) | Fifth | 3½ out |
| » Lost to Cubs (11-11), 6-5 | Candlestick Park (5-7) | 8-12 | Lost 2 |
| » W: Darold Knowles (2-1) L: Greg Minton (0-2) S: Rick Reuschel (1) | Fifth | 3½ out |
| Tuesday, May 4 |
| » Lost to Pirates (10-9), 6-5 | Three Rivers Stadium (0-1) | 8-13 | Lost 3 |
| » W: Jerry Reuss (3-2) L: Mike Caldwell (0-4) S: Bob Moose (3) | Fifth | 4½ out |
| Wednesday, May 5 |
| » Lost to Pirates (11-9), 6-1 | Three Rivers Stadium (0-2) | 8-14 | Lost 4 |
| » W: Bruce Kison (2-2) L: Ed Halicki (2-4) | Fifth | 5½ out |
| Thursday, May 6 |
| » Lost to Pirates (12-9), 3-0 | Three Rivers Stadium (0-3) | 8-15 | Lost 5 |
| » W: Jim Rooker (3-1) L: Jim Barr (1-2) S: Larry Demery (1) | Fifth | 6 out |
| Saturday, May 8 |
| » Lost to Expos (8-14), 7-5 | Parc Jarry (0-1) | 8-16 | Lost 6 |
| » W: Woodie Fryman (3-2) L: John D'Acquisto (0-2) S: Dale Murray (2) | Fifth | 6½ out |
| Sunday, May 9 |
| » Defeated Expos (8-15), 4-2 | Parc Jarry (1-1) | 9-16 | |
| » W: John Montefusco (4-1) L: Dan Warthen (0-3) S: Gary Lavelle (6) | Fifth | 6½ out |
| » Lost to Expos (9-15), 8-0 | Parc Jarry (1-2) | 9-17 | |
| » W: Steve Rogers (2-3) L: Greg Minton (0-3) | Fifth | 6½ out |
| Monday, May 10 |
| Former Giant Ken Trinkle dies in Paoli, IN at the age of 57. |
| Tuesday, May 11 |
| » Lost to Cubs (12-16), 4-0 | Wrigley Field (0-1) | 9-18 | Lost 2 |
| » W: Oscar Zamora (2-0) L: Ed Halicki (2-5) | Fifth | 7½ out |
| Wednesday, May 12 |
| » Lost to Cubs (13-16), 1-0 | Wrigley Field (0-2) | 9-19 | Lost 3 |
| » W: Mike Garman (2-2) L: Randy Moffitt (1-1) | Fifth | 8½ out |
| Thursday, May 13 |
| » Defeated Cubs (13-17), 9-5 | Wrigley Field (1-2) | 10-19 | |
| » W: Randy Moffitt (2-1) L: Bruce Sutter (0-1) | Fifth | 8 out |
| Friday, May 14 |
| » Lost to Cardinals (13-17), 3-1 | Busch Stadium II (0-1) | 10-20 | |
| » W: Lynn McGlothen (4-3) L: John Montefusco (4-2) S: Al Hrabosky (5) | Fifth | 9 out |
| Saturday, May 15 |
| » Defeated Cardinals (13-18), 2-0 | Busch Stadium II (1-1) | 11-20 | |
| » W: Gary Lavelle (2-1) L: Al Hrabosky (0-2) | Fifth | 8 out |
| Sunday, May 16 |
| » Lost to Cardinals (14-18), 9-3 | Busch Stadium II (1-2) | 11-21 | |
| » W: Pete Falcone (2-2) L: Ed Halicki (2-6) | Fifth | 9 out |
| Monday, May 17 |
| » Lost to Padres (16-15), 12-2 | Candlestick Park (5-8) | 11-22 | Lost 2 |
| » W: Randy Jones (7-2) L: Jim Barr (1-3) | Fifth | 9½ out |
| Tuesday, May 18 |
| » Lost to Padres (17-15), 7-6 | Candlestick Park (5-9) | 11-23 | Lost 3 |
| » W: Butch Metzger (4-0) L: Randy Moffitt (2-2) | Sixth | 10 out |
| Wednesday, May 19 |
| » Lost to Reds (21-13), 5-4 | Candlestick Park (5-10) | 11-24 | Lost 4 |
| » W: Santo Alcala (3-0) L: John Montefusco (4-3) S: Rawly Eastwick (5) | Sixth | 11 out |
| Thursday, May 20 |
| » Defeated Reds (21-14), 6-5 | Candlestick Park (6-10) | 12-24 | |
| » W: Dave Heaverlo (1-0) L: Will McEnaney (0-2) S: Gary Lavelle (7) | Fifth | 11 out |
| Friday, May 21 |
| » Lost to Braves (13-24), 8-0 | Candlestick Park (6-11) | 12-25 | |
| » W: Andy Messersmith (2-4) L: Rob Dressler (0-1) | Sixth | 12 out |
| Saturday, May 22 |
| » Lost to Braves (14-24), 3-2 | Candlestick Park (6-12) | 12-26 | Lost 2 |
| » W: Roger Moret (1-0) L: Jim Barr (1-4) S: Max Leon (1) | Sixth | 13 out |
| Sunday, May 23 |
| » Lost to Braves (15-24), 9-2 | Candlestick Park (6-13) | 12-27 | Lost 3 |
| » W: Dick Ruthven (5-5) L: Ed Halicki (2-7) S: Elias Sosa (3) | Sixth | 13½ out |
| » Defeated Braves (15-25), 1-0 | Candlestick Park (7-13) | 13-27 | |
| » W: John Montefusco (5-3) L: Max Leon (0-1) | Sixth | 13½ out |
| Monday, May 24 |
| » Defeated Astros (18-24), 5-1 | Candlestick Park (8-13) | 14-27 | Won 2 |
| » W: Rob Dressler (1-1) L: Mike Cosgrove (1-3) | Sixth | 12½ out |
| Tuesday, May 25 |
| » Defeated Astros (18-25), 7-6 | Candlestick Park (9-13) | 15-27 | Won 3 |
| » W: Dave Heaverlo (2-0) L: Ken Forsch (1-1) | Sixth | 11½ out |
| Wednesday, May 26 |
| » Defeated Astros (18-26), 11-4 | Candlestick Park (10-13) | 16-27 | Won 4 |
| » W: Jim Barr (2-4) L: Larry Dierker (4-5) S: Randy Moffitt (1) | Sixth | 11½ out |
| Thursday, May 27 |
| » Lost to Padres (21-20), 3-1 | San Diego/Jack Murphy Stadium (0-1) | 16-28 | |
| » W: Brent Strom (5-2) L: Ed Halicki (2-8) S: Butch Metzger (5) | Sixth | 12 out |
| Friday, May 28 |
| » Defeated Padres (21-21), 5-0 | San Diego/Jack Murphy Stadium (1-1) | 17-28 | |
| » W: John Montefusco (6-3) L: Alan Foster (0-2) | Sixth | 11 out |
| Saturday, May 29 |
| » Lost to Padres (22-21), 4-0 | San Diego/Jack Murphy Stadium (1-2) | 17-29 | |
| » W: Dave Freisleben (2-0) L: Rob Dressler (1-2) | Sixth | 11 out |
| Sunday, May 30 |
| » Lost to Padres (23-21), 4-3 | San Diego/Jack Murphy Stadium (1-3) | 17-30 | Lost 2 |
| » W: Randy Jones (10-2) L: Gary Lavelle (2-2) | Fifth | 11½ out |
| Monday, May 31 |
| » Defeated Dodgers (28-19), 7-1 | Dodger Stadium (1-0) | 18-30 | |
| » W: Randy Moffitt (3-2) L: Mike Marshall (3-3) | Fifth | 11½ out |
| Tuesday, June 1 |
| » Defeated Dodgers (28-20), 6-0 | Dodger Stadium (2-0) | 19-30 | Won 2 |
| » W: Ed Halicki (3-8) L: Don Sutton (4-6) | Fifth | 10½ out |
| Wednesday, June 2 |
| » Lost to Dodgers (29-20), 11-3 | Dodger Stadium (2-1) | 19-31 | |
| » W: Rick Rhoden (4-0) L: John Montefusco (6-4) | Fifth | 11½ out |
| Thursday, June 3 |
| » Lost to Dodgers (30-20), 3-2 | Dodger Stadium (2-2) | 19-32 | Lost 2 |
| » W: Charlie Hough (7-0) L: Gary Lavelle (2-3) | Fifth | 11½ out |
| Friday, June 4 |
| » Defeated Phillies (32-13), 5-1 | Candlestick Park (11-13) | 20-32 | |
| » W: Jim Barr (3-4) L: Jim Lonborg (8-1) | Fifth | 11½ out |
| Saturday, June 5 |
| » Defeated Phillies (32-14), 4-2 | Candlestick Park (12-13) | 21-32 | Won 2 |
| » W: Ed Halicki (4-8) L: Steve Carlton (5-3) S: Randy Moffitt (2) | Fifth | 11½ out |
| Sunday, June 6 |
| » Lost to Phillies (33-14), 9-3 | Candlestick Park (12-14) | 21-33 | |
| » W: Jim Kaat (4-2) L: John Montefusco (6-5) | Sixth | 12½ out |
| Tuesday, June 8 |
| » Lost to Expos (18-28), 9-4 | Candlestick Park (12-15) | 21-34 | Lost 2 |
| » W: Woodie Fryman (7-3) L: Rob Dressler (1-3) | Sixth | 13 out |
| » Major-league debuts: Gary Roenicke (Expos) |
| Wednesday, June 9 |
| » Defeated Expos (18-29), 6-2 | Candlestick Park (13-15) | 22-34 | |
| » W: Jim Barr (4-4) L: Don Stanhouse (3-2) S: Randy Moffitt (3) | Sixth | 13 out |
| Thursday, June 10 |
| » Lost to Expos (19-29), 6-5 | Candlestick Park (13-16) | 22-35 | |
| » W: Don Carrithers (2-4) L: Ed Halicki (4-9) S: Dale Murray (4) | Sixth | 14 out |
| Friday, June 11 |
| » Defeated Mets (27-32), 5-0 | Candlestick Park (14-16) | 23-35 | |
| » W: John Montefusco (7-5) L: Jerry Koosman (6-4) | Sixth | 14 out |
| Saturday, June 12 |
| » Lost to Mets (28-32), 3-1 | Candlestick Park (14-17) | 23-36 | |
| » W: Craig Swan (3-6) L: John D'Acquisto (0-3) | Sixth | 14 out |
| Sunday, June 13 |
| » Lost to Mets (29-32), 4-2 | Candlestick Park (14-18) | 23-37 | Lost 2 |
| » W: Mickey Lolich (3-8) L: Rob Dressler (1-4) S: Bob Apodaca (1) | Sixth | 15 out |
| » Lost to Mets (30-32), 4-1 | Candlestick Park (14-19) | 23-38 | Lost 3 |
| » W: Tom Seaver (6-5) L: Jim Barr (4-5) S: Skip Lockwood (8) | Sixth | 15 out |
| Former Giant Claude Davenport dies in Corpus Christi, TX at the age of 79. |
| Tuesday, June 15 |
| » Lost to Phillies (39-17), 10-2 | Veteran's Stadium (0-1) | 23-39 | Lost 4 |
| » W: Steve Carlton (6-3) L: Ed Halicki (4-10) | Sixth | 16½ out |
| Wednesday, June 16 |
| » Lost to Phillies (40-17), 6-1 | Veteran's Stadium (0-2) | 23-40 | Lost 5 |
| » W: Jim Kaat (6-2) L: John Montefusco (7-6) | Sixth | 16½ out |
| Thursday, June 17 |
| » Lost to Phillies (41-17), 3-2 | Veteran's Stadium (0-3) | 23-41 | Lost 6 |
| » W: Gene Garber (2-1) L: Gary Lavelle (2-4) | Sixth | 17 out |
| Friday, June 18 |
| » Lost to Mets (33-33), 3-2 | Shea Stadium (0-1) | 23-42 | Lost 7 |
| » W: Tom Seaver (7-5) L: Rob Dressler (1-5) | Sixth | 17 out |
| Saturday, June 19 |
| » Defeated Mets (33-34), 5-0 | Shea Stadium (1-1) | 24-42 | |
| » W: Jim Barr (5-5) L: Mickey Lolich (3-9) | Sixth | 17 out |
| Sunday, June 20 |
| » Defeated Mets (33-35), 9-2 | Shea Stadium (2-1) | 25-42 | Won 2 |
| » W: Ed Halicki (5-10) L: Jon Matlack (8-2) | Sixth | 16 out |
| Monday, June 21 |
| » Lost to Padres (35-29), 6-3 | San Diego/Jack Murphy Stadium (1-4) | 25-43 | |
| » W: Dave Freisleben (6-1) L: John Montefusco (7-7) | Sixth | 17 out |
| Tuesday, June 22 |
| » Lost to Padres (36-29), 4-2 | San Diego/Jack Murphy Stadium (1-5) | 25-44 | Lost 2 |
| » W: Randy Jones (13-3) L: John D'Acquisto (0-4) | Sixth | 18 out |
| Wednesday, June 23 |
| » Defeated Padres (36-30), 7-6 | Candlestick Park (15-19) | 26-44 | |
| » W: Dave Heaverlo (3-0) L: Brent Strom (6-7) S: Randy Moffitt (4) | Sixth | 16½ out |
| » Defeated Padres (36-31), 8-7 | Candlestick Park (16-19) | 27-44 | Won 2 |
| » W: Jim Barr (6-5) L: Dave Tomlin (0-1) S: Dave Heaverlo (1) | Sixth | 16½ out |
| Thursday, June 24 |
| » Defeated Padres (36-32), 8-5 | Candlestick Park (17-19) | 28-44 | Won 3 |
| » W: Charlie Williams (1-0) L: Ken Reynolds (0-3) S: Gary Lavelle (8) | Sixth | 15½ out |
| Friday, June 25 |
| » Defeated Dodgers (39-32), 1-0 | Dodger Stadium (3-2) | 29-44 | Won 4 |
| » W: Ed Halicki (6-10) L: Burt Hooton (5-8) | Sixth | 15½ out |
| Saturday, June 26 |
| » Defeated Dodgers (39-33), 4-2 | Dodger Stadium (4-2) | 30-44 | Won 5 |
| » W: Randy Moffitt (4-2) L: Doug Rau (6-5) | Sixth | 14½ out |
| Sunday, June 27 |
| » Lost to Dodgers (40-33), 12-8 | Dodger Stadium (4-3) | 30-45 | |
| » W: Don Sutton (7-7) L: Mike Caldwell (0-5) S: Stan Wall (1) | Sixth | 15½ out |
| Monday, June 28 |
| » Lost to Astros (33-40), 8-2 | Candlestick Park (17-20) | 30-46 | Lost 2 |
| » W: Mike Cosgrove (3-4) L: Rob Dressler (1-6) S: Ken Forsch (14) | Fifth | 16½ out |
| Tuesday, June 29 |
| » Lost to Astros (34-40), 4-3 | Candlestick Park (17-21) | 30-47 | Lost 3 |
| » W: Larry Dierker (7-7) L: Jim Barr (6-6) | Sixth | 17½ out |
| Wednesday, June 30 |
| » Defeated Astros (34-41), 10-2 | Candlestick Park (18-21) | 31-47 | |
| » W: Ed Halicki (7-10) L: Gil Rondon (2-2) | Fifth | 16½ out |
| Former Giant Firpo Marberry dies in Mexia, TX at the age of 78. |
| Friday, July 2 |
| » Lost to Braves (35-41), 7-2 | Candlestick Park (18-22) | 31-48 | |
| » W: Andy Messersmith (8-6) L: John Montefusco (7-8) | Sixth | 16 out |
| Saturday, July 3 |
| » Lost to Braves (36-41), 4-0 | Candlestick Park (18-23) | 31-49 | Lost 2 |
| » W: Dick Ruthven (10-7) L: John D'Acquisto (0-5) | Sixth | 17 out |
| Sunday, July 4 |
| » Defeated Braves (36-42), 3-2 | Candlestick Park (19-23) | 32-49 | |
| » W: Rob Dressler (2-6) L: Frank LaCorte (0-2) S: Randy Moffitt (5) | Sixth | 17 out |
| Monday, July 5 |
| » Defeated Cardinals (33-44), 6-4 | Busch Stadium II (2-2) | 33-49 | Won 2 |
| » W: Gary Lavelle (3-4) L: Eric Rasmussen (3-7) | Sixth | 17 out |
| Tuesday, July 6 |
| » Lost to Cardinals (34-44), 13-7 | Busch Stadium II (2-3) | 33-50 | |
| » W: Bob Forsch (3-3) L: Ed Halicki (7-11) | Sixth | 18 out |
| Wednesday, July 7 |
| » Defeated Cardinals (34-45), 3-2 | Busch Stadium II (3-3) | 34-50 | |
| » W: Gary Lavelle (4-4) L: Lynn McGlothen (7-8) | Sixth | 18 out |
| Friday, July 9 |
| » Lost to Cubs (35-47), 5-3 | Wrigley Field (1-3) | 34-51 | |
| » W: Bruce Sutter (1-1) L: Rob Dressler (2-7) | Sixth | 19½ out |
| Saturday, July 10 |
| » Lost to Cubs (36-47), 8-6 | Wrigley Field (1-4) | 34-52 | Lost 2 |
| » W: Darold Knowles (3-3) L: Randy Moffitt (4-3) | Sixth | 19½ out |
| Sunday, July 11 |
| » Defeated Cubs (36-48), 2-0 | Wrigley Field (2-4) | 35-52 | |
| » W: Ed Halicki (8-11) L: Steve Stone (1-1) | Sixth | 18½ out |
| Thursday, July 15 |
| » Lost to Phillies (57-25), 5-3 | Candlestick Park (19-24) | 35-53 | |
| » W: Steve Carlton (10-3) L: Mike Caldwell (0-6) | Sixth | 18½ out |
| Friday, July 16 |
| » Defeated Phillies (57-26), 1-0 | Candlestick Park (20-24) | 36-53 | |
| » W: Ed Halicki (9-11) L: Jim Kaat (9-4) | Sixth | 18½ out |
| Saturday, July 17 |
| » Defeated Phillies (57-27), 4-1 | Candlestick Park (21-24) | 37-53 | Won 2 |
| » W: John Montefusco (8-8) L: Tom Underwood (5-2) | Sixth | 18½ out |
| Sunday, July 18 |
| » Defeated Cardinals (39-47), 5-4 | Candlestick Park (22-24) | 38-53 | Won 3 |
| » W: Jim Barr (7-6) L: Pete Falcone (6-9) S: Gary Lavelle (9) | Sixth | 19 out |
| » Lost to Cardinals (40-47), 5-4 | Candlestick Park (22-25) | 38-54 | |
| » W: Mike Wallace (2-1) L: Dave Heaverlo (3-1) | Sixth | 19 out |
| Monday, July 19 |
| » Defeated Cardinals (40-48), 5-3 | Candlestick Park (23-25) | 39-54 | |
| » W: John D'Acquisto (1-5) L: Bob Forsch (4-5) | Sixth | 19 out |
| Tuesday, July 20 |
| » Lost to Cubs (37-53), 3-2 | Candlestick Park (23-26) | 39-55 | |
| » W: Rick Reuschel (9-7) L: Ed Halicki (9-12) S: Darold Knowles (8) | Sixth | 19 out |
| Wednesday, July 21 |
| » Defeated Cubs (37-54), 2-1 | Candlestick Park (24-26) | 40-55 | |
| » W: John Montefusco (9-8) L: Bruce Sutter (1-2) | Sixth | 19 out |
| Friday, July 23 |
| » Defeated Astros (48-49), 3-0 | Astrodome (1-3) | 41-55 | Won 2 |
| » W: Jim Barr (8-6) L: J.R. Richard (10-11) | Sixth | 19 out |
| Saturday, July 24 |
| » Lost to Astros (49-49), 5-4 | Astrodome (1-4) | 41-56 | |
| » W: Gene Pentz (3-1) L: Dave Heaverlo (3-2) | Sixth | 19 out |
| » Defeated Astros (49-50), 4-0 | Astrodome (2-4) | 42-56 | |
| » W: John D'Acquisto (2-5) L: Dan Larson (1-1) S: Mike Caldwell (1) | Sixth | 19 out |
| Sunday, July 25 |
| » Lost to Astros (50-50), 1-0 | Astrodome (2-5) | 42-57 | |
| » W: Bo McLaughlin (1-0) L: Ed Halicki (9-13) | Sixth | 20 out |
| Monday, July 26 |
| » Lost to Reds (62-36), 9-3 | Riverfront Stadium (2-2) | 42-58 | Lost 2 |
| » W: Fred Norman (9-2) L: John Montefusco (9-9) | Sixth | 21 out |
| Tuesday, July 27 |
| » Defeated Reds (62-37), 9-4 | Riverfront Stadium (3-2) | 43-58 | |
| » W: Jim Barr (9-6) L: Jack Billingham (7-8) | Sixth | 20 out |
| Wednesday, July 28 |
| » Defeated Reds (62-38), 7-0 | Riverfront Stadium (4-2) | 44-58 | Won 2 |
| » W: John D'Acquisto (3-5) L: Santo Alcala (9-3) | Sixth | 19 out |
| Friday, July 30 |
| » Defeated Dodgers (55-45), 5-3 | Candlestick Park (25-26) | 45-58 | Won 3 |
| » W: Charlie Williams (2-0) L: Burt Hooton (6-11) S: Randy Moffitt (6) | Sixth | 20 out |
| Saturday, July 31 |
| » Defeated Dodgers (55-46), 6-3 | Candlestick Park (26-26) | 46-58 | Won 4 |
| » W: John Montefusco (10-9) L: Doug Rau (10-7) | Sixth | 20 out |
| Sunday, August 1 |
| » Lost to Dodgers (56-46), 4-1 | Candlestick Park (26-27) | 46-59 | |
| » W: Don Sutton (12-8) L: Jim Barr (9-7) S: Charlie Hough (9) | Sixth | 21½ out |
| » Lost to Dodgers (57-46), 4-3 | Candlestick Park (26-28) | 46-60 | Lost 2 |
| » W: Charlie Hough (9-4) L: Dave Heaverlo (3-3) | Sixth | 21½ out |
| Monday, August 2 |
| » Lost to Reds (68-38), 5-1 | Candlestick Park (26-29) | 46-61 | Lost 3 |
| » W: Will McEnaney (2-4) L: John D'Acquisto (3-6) | Sixth | 22½ out |
| Tuesday, August 3 |
| » Lost to Reds (69-38), 9-0 | Candlestick Park (26-30) | 46-62 | Lost 4 |
| » W: Jack Billingham (8-8) L: Mike Caldwell (0-7) | Sixth | 23½ out |
| Wednesday, August 4 |
| » Defeated Reds (69-39), 4-1 | Candlestick Park (27-30) | 47-62 | |
| » W: John Montefusco (11-9) L: Gary Nolan (10-6) S: Randy Moffitt (7) | Sixth | 22½ out |
| Future Giant Scott Linebrink is born in Austin, TX. |
| Thursday, August 5 |
| » Defeated Braves (48-60), 2-1 | Atlanta-Fulton County Stadium (2-1) | 48-62 | Won 2 |
| » W: Jim Barr (10-7) L: Phil Niekro (11-8) S: Randy Moffitt (8) | Sixth | 22½ out |
| Friday, August 6 |
| » Lost to Braves (49-60), 7-0 | Atlanta-Fulton County Stadium (2-2) | 48-63 | |
| » W: Carl Morton (2-8) L: Rob Dressler (2-8) | Sixth | 23½ out |
| Saturday, August 7 |
| » Lost to Braves (50-60), 4-3 | Atlanta-Fulton County Stadium (2-3) | 48-64 | Lost 2 |
| » W: Mike Marshall (6-4) L: Randy Moffitt (4-4) | Sixth | 24½ out |
| Sunday, August 8 |
| » Lost to Braves (51-60), 2-1 | Atlanta-Fulton County Stadium (2-4) | 48-65 | Lost 3 |
| » W: Dick Ruthven (13-9) L: Gary Lavelle (4-5) | Sixth | 25 out |
| » Defeated Braves (51-61), 4-1 | Atlanta-Fulton County Stadium (3-4) | 49-65 | |
| » W: John Montefusco (12-9) L: Frank LaCorte (0-6) | Sixth | 25 out |
| Monday, August 9 |
| » Lost to Expos (38-68), 2-1 | Parc Jarry (1-3) | 49-66 | |
| » W: Don Stanhouse (8-5) L: Jim Barr (10-8) | Sixth | 25½ out |
| Tuesday, August 10 |
| » Lost to Expos (39-68), 3-2 | Parc Jarry (1-4) | 49-67 | Lost 2 |
| » W: Don Carrithers (6-7) L: Dave Heaverlo (3-4) S: Steve Rogers (1) | Sixth | 25½ out |
| Wednesday, August 11 |
| » Lost to Expos (40-68), 9-3 | Parc Jarry (1-5) | 49-68 | Lost 3 |
| » W: Woodie Fryman (10-8) L: John D'Acquisto (3-7) | Sixth | 26½ out |
| Friday, August 13 |
| » Defeated Phillies (74-39), 3-0 | Veteran's Stadium (1-3) | 50-68 | |
| » W: John Montefusco (13-9) L: Jim Kaat (10-8) | Sixth | 27 out |
| Saturday, August 14 |
| » Lost to Phillies (75-39), 13-2 | Veteran's Stadium (1-4) | 50-69 | |
| » W: Steve Carlton (14-4) L: Jim Barr (10-9) | Sixth | 27 out |
| Sunday, August 15 |
| » Defeated Phillies (75-40), 9-5 | Veteran's Stadium (2-4) | 51-69 | |
| » W: Randy Moffitt (5-4) L: Gene Garber (7-3) | Sixth | 26 out |
| Tuesday, August 17 |
| » Defeated Pirates (64-53), 7-6 | Candlestick Park (28-30) | 52-69 | Won 2 |
| » W: Gary Lavelle (5-5) L: Bob Moose (3-7) S: Charlie Williams (1) | Sixth | 24½ out |
| Wednesday, August 18 |
| » Lost to Pirates (65-53), 12-1 | Candlestick Park (28-31) | 52-70 | |
| » W: Jim Rooker (10-6) L: John Montefusco (13-10) | Sixth | 25½ out |
| Thursday, August 19 |
| » Lost to Pirates (66-53), 1-0 | Candlestick Park (28-32) | 52-71 | Lost 2 |
| » W: John Candelaria (12-4) L: Jim Barr (10-10) | Sixth | 26½ out |
| Friday, August 20 |
| » Defeated Expos (41-74), 6-3 | Candlestick Park (29-32) | 53-71 | |
| » W: Ed Halicki (10-13) L: Don Carrithers (6-9) S: Randy Moffitt (9) | Sixth | 26½ out |
| Saturday, August 21 |
| » Defeated Expos (41-75), 5-4 | Candlestick Park (30-32) | 54-71 | Won 2 |
| » W: Rob Dressler (3-8) L: Chip Lang (1-3) | Sixth | 25½ out |
| Sunday, August 22 |
| » Defeated Expos (41-76), 4-3 | Candlestick Park (31-32) | 55-71 | Won 3 |
| » W: Gary Lavelle (6-5) L: Chuck Taylor (1-2) | Sixth | 25½ out |
| Tuesday, August 24 |
| » Lost to Mets (64-61), 4-0 | Candlestick Park (31-33) | 55-72 | |
| » W: Tom Seaver (10-9) L: Jim Barr (10-11) | Sixth | 25 out |
| Wednesday, August 25 |
| » Defeated Mets (64-62), 7-1 | Candlestick Park (32-33) | 56-72 | |
| » W: Ed Halicki (11-13) L: Nino Espinosa (2-3) | Sixth | 24½ out |
| Friday, August 27 |
| » Lost to Pirates (69-57), 5-2 | Three Rivers Stadium (0-4) | 56-73 | |
| » W: Larry Demery (8-4) L: John Montefusco (13-11) | Sixth | 25 out |
| Saturday, August 28 |
| » Lost to Pirates (70-57), 7-1 | Three Rivers Stadium (0-5) | 56-74 | Lost 2 |
| » W: Jim Rooker (11-7) L: John D'Acquisto (3-8) | Sixth | 26 out |
| Former Giant Bill Hunnefield dies in Nantucket, MA at the age of 78. |
| Sunday, August 29 |
| » Lost to Pirates (71-57), 3-2 | Three Rivers Stadium (0-6) | 56-75 | Lost 3 |
| » W: John Candelaria (13-5) L: Randy Moffitt (5-5) | Sixth | 27 out |
| Tuesday, August 31 |
| » Lost to Mets (66-64), 6-2 | Shea Stadium (2-2) | 56-76 | Lost 4 |
| » W: Skip Lockwood (7-7) L: Ed Halicki (11-14) | Sixth | 27½ out |
| Wednesday, September 1 |
| » Lost to Mets (67-64), 1-0 | Shea Stadium (2-3) | 56-77 | Lost 5 |
| » W: Jerry Koosman (17-8) L: John Montefusco (13-12) | Sixth | 27½ out |
| Thursday, September 2 |
| » Defeated Mets (67-65), 10-7 | Shea Stadium (3-3) | 57-77 | |
| » W: Mike Caldwell (1-7) L: Jon Matlack (14-8) S: Randy Moffitt (10) | Sixth | 27 out |
| Friday, September 3 |
| » Defeated Padres (63-73), 7-3 | Candlestick Park (33-33) | 58-77 | Won 2 |
| » W: Jim Barr (11-11) L: Randy Jones (20-11) | Sixth | 27 out |
| Saturday, September 4 |
| » Defeated Padres (63-74), 4-3 | Candlestick Park (34-33) | 59-77 | Won 3 |
| » W: Gary Lavelle (7-5) L: Tom Griffin (7-6) S: Randy Moffitt (11) | Sixth | 27 out |
| Sunday, September 5 |
| » Defeated Padres (63-75), 5-0 | Candlestick Park (35-33) | 60-77 | Won 4 |
| » W: John Montefusco (14-12) L: Brent Strom (11-15) | Fifth | 27½ out |
| » Lost to Padres (64-75), 6-1 | Candlestick Park (35-34) | 60-78 | |
| » W: Rick Sawyer (4-1) L: Rob Dressler (3-9) | Fifth | 27½ out |
| Monday, September 6 |
| » Defeated Braves (59-78), 4-3 | Candlestick Park (36-34) | 61-78 | |
| » W: Gary Lavelle (8-5) L: Bruce Dal Canton (3-5) S: Mike Caldwell (2) | Fifth | 27½ out |
| Tuesday, September 7 |
| » Defeated Braves (59-79), 6-3 | Candlestick Park (37-34) | 62-78 | Won 2 |
| » W: Jim Barr (12-11) L: Phil Niekro (14-11) S: Tommy Toms (1) | Fifth | 26½ out |
| Wednesday, September 8 |
| » Defeated Dodgers (79-59), 1-0 | Dodger Stadium (5-3) | 63-78 | Won 3 |
| » W: Ed Halicki (12-14) L: Charlie Hough (11-6) S: Gary Lavelle (10) | Fifth | 26½ out |
| Thursday, September 9 |
| » Defeated Dodgers (79-60), 4-2 | Dodger Stadium (6-3) | 64-78 | Won 4 |
| » W: John Montefusco (15-12) L: Tommy John (8-10) S: Gary Lavelle (11) | Fifth | 26½ out |
| Friday, September 10 |
| » Lost to Reds (91-51), 4-1 | Candlestick Park (37-35) | 64-79 | |
| » W: Don Gullett (8-3) L: Bob Knepper (0-1) S: Rawly Eastwick (21) | Fifth | 27½ out |
| » Major-league debuts: Bob Knepper (Giants) |
| Saturday, September 11 |
| » Lost to Reds (92-51), 8-5 | Candlestick Park (37-36) | 64-80 | Lost 2 |
| » W: Joe Henderson (1-0) L: Gary Lavelle (8-6) S: Pedro Borbon (7) | Fifth | 28½ out |
| Future Giant Edwards Guzman is born in Bayamon, P.R. |
| Sunday, September 12 |
| » Defeated Reds (92-52), 3-1 | Candlestick Park (38-36) | 65-80 | |
| » W: Jim Barr (13-11) L: Fred Norman (12-5) | Fifth | 28½ out |
| » Lost to Reds (93-52), 9-8 | Candlestick Park (38-37) | 65-81 | |
| » W: Joe Henderson (2-0) L: Tommy Toms (0-1) S: Rawly Eastwick (22) | Fifth | 28½ out |
| Monday, September 13 |
| » Defeated Padres (67-79), 3-2 | San Diego/Jack Murphy Stadium (2-5) | 66-81 | |
| » W: Dave Heaverlo (4-4) L: Dave Freisleben (9-13) | Fifth | 28 out |
| Tuesday, September 14 |
| » Defeated Padres (67-80), 7-6 | San Diego/Jack Murphy Stadium (3-5) | 67-81 | Won 2 |
| » W: Randy Moffitt (6-5) L: Butch Metzger (11-2) | Fifth | 27 out |
| » Major-league debuts: Mike Champion (Padres) |
| Wednesday, September 15 |
| » Defeated Padres (67-81), 2-1 | San Diego/Jack Murphy Stadium (4-5) | 68-81 | Won 3 |
| » W: Frank Riccelli (1-0) L: Randy Jones (21-13) S: Randy Moffitt (12) | Fourth | 27 out |
| Friday, September 17 |
| » Defeated Reds (95-54), 4-2 | Riverfront Stadium (5-2) | 69-81 | Won 4 |
| » W: Jim Barr (14-11) L: Jack Billingham (11-10) S: Randy Moffitt (13) | Fourth | 26½ out |
| Saturday, September 18 |
| » Defeated Reds (95-55), 5-0 | Riverfront Stadium (6-2) | 70-81 | Won 5 |
| » W: Gary Lavelle (9-6) L: Fred Norman (12-6) | Fourth | 25½ out |
| Sunday, September 19 |
| » Lost to Reds (96-55), 5-2 | Riverfront Stadium (6-3) | 70-82 | |
| » W: Gary Nolan (13-9) L: John Montefusco (15-13) S: Rawly Eastwick (24) | Fourth | 26½ out |
| Tuesday, September 21 |
| » Lost to Dodgers (85-66), 3-2 | Candlestick Park (38-38) | 70-83 | Lost 2 |
| » W: Doug Rau (15-11) L: Randy Moffitt (6-6) S: Charlie Hough (16) | Fourth | 27½ out |
| Wednesday, September 22 |
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