| Saturday, February 19 |
| Former Giant Mike Gonzales dies in Havana, Cuba at the age of 87. |
| Wednesday, April 6 |
| » Major-league debuts: Jose Baez (Mariners) |
| Thursday, April 7 |
| » Lost to Dodgers (1-0), 5-1 | Dodger Stadium (0-1) | 0-1 | |
| » W: Don Sutton (1-0) L: John Montefusco (0-1) | Third | 1 out |
| Saturday, April 9 |
| » Lost to Dodgers (2-0), 8-2 | Dodger Stadium (0-2) | 0-2 | Lost 2 |
| » W: Doug Rau (1-0) L: Jim Barr (0-1) S: Charlie Hough (1) | Fourth | 2 out |
| Sunday, April 10 |
| » Defeated Dodgers (2-1), 8-4 | Dodger Stadium (1-2) | 1-2 | |
| » W: Ed Halicki (1-0) L: Burt Hooton (0-1) S: Randy Moffitt (1) | Third | 1 out |
| Tuesday, April 12 |
| » Lost to Padres (3-2), 4-3 | San Diego/Jack Murphy Stadium (0-1) | 1-3 | |
| » W: Randy Jones (1-1) L: Lynn McGlothen (0-1) S: Rollie Fingers (1) | Fifth | 2½ out |
| Wednesday, April 13 |
| » Defeated Padres (3-3), 3-1 | San Diego/Jack Murphy Stadium (1-1) | 2-3 | |
| » W: John Montefusco (1-1) L: Rick Sawyer (0-1) | Fourth | 2½ out |
| Thursday, April 14 |
| » Defeated Padres (3-4), 8-4 | San Diego/Jack Murphy Stadium (2-1) | 3-3 | Won 2 |
| » W: Jim Barr (1-1) L: Dave Freisleben (0-1) | Third | 2 out |
| Friday, April 15 |
| » Lost to Dodgers (5-2), 7-1 | Candlestick Park (0-1) | 3-4 | |
| » W: Doug Rau (2-0) L: Ed Halicki (1-1) | Second | 2 out |
| Saturday, April 16 |
| » Lost to Dodgers (6-2), 5-0 | Candlestick Park (0-2) | 3-5 | Lost 2 |
| » W: Burt Hooton (1-1) L: Lynn McGlothen (0-2) | Fifth | 3 out |
| Sunday, April 17 |
| » Lost to Dodgers (7-2), 7-6 | Candlestick Park (0-3) | 3-6 | Lost 3 |
| » W: Charlie Hough (2-0) L: Randy Moffitt (0-1) | Fourth | 4 out |
| Tuesday, April 19 |
| » Defeated Astros (5-5), 7-4 | Astrodome (1-0) | 4-6 | |
| » W: Jim Barr (2-1) L: Floyd Bannister (0-1) S: Gary Lavelle (1) | Fifth | 4 out |
| » Major-league debuts: Floyd Bannister (Astros) |
| Wednesday, April 20 |
| » Defeated Astros (5-6), 1-0 | Astrodome (2-0) | 5-6 | Won 2 |
| » W: Ed Halicki (2-1) L: Mark Lemongello (0-3) S: Gary Lavelle (2) | Third | 4 out |
| Friday, April 22 |
| » Lost to Expos (7-4), 3-2 | Stade Olympique (0-1) | 5-7 | |
| » W: Dan Warthen (1-0) L: Gary Lavelle (0-1) | Fourth | 4 out |
| Saturday, April 23 |
| » Defeated Expos (7-5), 4-2 | Stade Olympique (1-1) | 6-7 | |
| » W: John Montefusco (2-1) L: Jackie Brown (1-1) | Fourth | 4 out |
| Sunday, April 24 |
| » Defeated Expos (7-6), 6-5 | Stade Olympique (2-1) | 7-7 | Won 2 |
| » W: Jim Barr (3-1) L: Don Stanhouse (1-2) S: Gary Lavelle (3) | Third | 4 out |
| Tuesday, April 26 |
| » Lost to Astros (7-9), 4-3 | Candlestick Park (0-4) | 7-8 | |
| » W: Joe Sambito (2-1) L: Charlie Williams (0-1) | Third | 5½ out |
| Wednesday, April 27 |
| » Defeated Astros (7-10), 3-2 | Candlestick Park (1-4) | 8-8 | |
| » W: Randy Moffitt (1-1) L: J.R. Richard (1-2) | Second | 5½ out |
| Thursday, April 28 |
| » Lost to Astros (8-10), 3-1 | Candlestick Park (1-5) | 8-9 | |
| » W: Joaquin Andujar (2-1) L: John Montefusco (2-2) S: Ken Forsch (2) | Second | 6½ out |
| Former Giant Al Smith dies in Brownsville, TX at the age of 70. |
| Friday, April 29 |
| » Lost to Phillies (6-9), 6-5 | Candlestick Park (1-6) | 8-10 | Lost 2 |
| » W: Steve Carlton (3-1) L: Jim Barr (3-2) S: Ron Reed (2) | Third | 7½ out |
| Saturday, April 30 |
| » Lost to Phillies (7-9), 6-4 | Candlestick Park (1-7) | 8-11 | Lost 3 |
| » W: Randy Lerch (3-1) L: Ed Halicki (2-2) S: Ron Reed (3) | Fourth | 8½ out |
| Sunday, May 1 |
| » Lost to Phillies (8-9), 7-2 | Candlestick Park (1-8) | 8-12 | Lost 4 |
| » W: Larry Christenson (2-2) L: Lynn McGlothen (0-3) | Fourth | 8½ out |
| Tuesday, May 3 |
| » Lost to Expos (10-8), 3-2 | Candlestick Park (1-9) | 8-13 | Lost 5 |
| » W: Don Stanhouse (2-3) L: John Montefusco (2-3) S: Bill Atkinson (2) | Fourth | 10 out |
| Wednesday, May 4 |
| » Defeated Expos (10-9), 5-1 | Candlestick Park (2-9) | 9-13 | |
| » W: Jim Barr (4-2) L: Gerry Hannahs (1-3) | Fourth | 10 out |
| Thursday, May 5 |
| » Lost to Expos (11-9), 7-1 | Candlestick Park (2-10) | 9-14 | |
| » W: Steve Rogers (3-1) L: Ed Halicki (2-3) | Fourth | 11 out |
| Friday, May 6 |
| » Defeated Mets (9-14), 5-3 | Candlestick Park (3-10) | 10-14 | |
| » W: Lynn McGlothen (1-3) L: Craig Swan (1-3) | Third | 11 out |
| Saturday, May 7 |
| » Lost to Mets (10-14), 6-0 | Candlestick Park (3-11) | 10-15 | |
| » W: Jerry Koosman (2-3) L: John Montefusco (2-4) | Fourth | 11 out |
| Sunday, May 8 |
| » Defeated Mets (10-15), 4-2 | Candlestick Park (4-11) | 11-15 | |
| » W: Jim Barr (5-2) L: Nino Espinosa (2-2) S: Randy Moffitt (2) | Second | 10 out |
| » Defeated Mets (10-16), 10-0 | Candlestick Park (5-11) | 12-15 | Won 2 |
| » W: Jack Curtis (1-0) L: Jon Matlack (1-4) | Second | 10 out |
| Tuesday, May 10 |
| » Lost to Phillies (12-12), 3-0 | Veteran's Stadium (0-1) | 12-16 | |
| » W: Steve Carlton (4-1) L: Terry Cornutt (0-1) | Second | 10 out |
| Wednesday, May 11 |
| » Defeated Phillies (12-13), 4-2 | Veteran's Stadium (1-1) | 13-16 | |
| » W: Lynn McGlothen (2-3) L: Randy Lerch (4-2) | Second | 10 out |
| Thursday, May 12 |
| » Lost to Phillies (13-13), 3-0 | Veteran's Stadium (1-2) | 13-17 | |
| » W: Larry Christenson (3-3) L: John Montefusco (2-5) | Second | 11 out |
| Friday, May 13 |
| » Lost to Reds (13-17), 6-4 | Riverfront Stadium (0-1) | 13-18 | Lost 2 |
| » W: Fred Norman (2-2) L: Jim Barr (5-3) S: Rawly Eastwick (6) | Third | 11 out |
| Saturday, May 14 |
| » Defeated Reds (13-18), 4-3 | Riverfront Stadium (1-1) | 14-18 | |
| » W: Gary Lavelle (1-1) L: Woodie Fryman (2-4) | Second | 11 out |
| Sunday, May 15 |
| » Lost to Reds (14-18), 6-2 | Riverfront Stadium (1-2) | 14-19 | |
| » W: Gary Nolan (2-0) L: Lynn McGlothen (2-4) | Third | 12 out |
| Tuesday, May 17 |
| » Lost to Mets (12-21), 8-1 | Shea Stadium (0-1) | 14-20 | Lost 2 |
| » W: Jerry Koosman (3-4) L: John Montefusco (2-6) | Third | 12½ out |
| Wednesday, May 18 |
| » Lost to Mets (13-21), 2-0 | Shea Stadium (0-2) | 14-21 | Lost 3 |
| » W: Jon Matlack (3-4) L: Jim Barr (5-4) | Third | 13½ out |
| Thursday, May 19 |
| » Lost to Mets (14-21), 4-3 | Shea Stadium (0-3) | 14-22 | Lost 4 |
| » W: Jackson Todd (1-0) L: Ed Halicki (2-4) S: Skip Lockwood (4) | Fourth | 13½ out |
| Friday, May 20 |
| » Defeated Cardinals (21-14), 7-5 | Busch Stadium II (1-0) | 15-22 | |
| » W: Gary Lavelle (2-1) L: Al Hrabosky (1-2) S: Randy Moffitt (3) | Fourth | 13½ out |
| Saturday, May 21 |
| » Lost to Cardinals (22-14), 8-5 | Busch Stadium II (1-1) | 15-23 | |
| » W: John Denny (6-0) L: John Montefusco (2-7) S: Clay Carroll (2) | Fifth | 14½ out |
| Sunday, May 22 |
| » Defeated Cardinals (22-15), 2-0 | Busch Stadium II (2-1) | 16-23 | |
| » W: Jim Barr (6-4) L: Larry Dierker (0-1) S: Gary Lavelle (4) | Third | 13½ out |
| Monday, May 23 |
| » Defeated Cardinals (22-16), 7-2 | Busch Stadium II (3-1) | 17-23 | Won 2 |
| » W: Ed Halicki (3-4) L: Eric Rasmussen (2-6) S: Gary Lavelle (5) | Third | 13 out |
| Wednesday, May 25 |
| » Defeated Reds (18-21), 6-5 | Candlestick Park (6-11) | 18-23 | Won 3 |
| » W: Charlie Williams (1-1) L: Tom Hume (0-1) S: Gary Lavelle (6) | Third | 12½ out |
| » Major-league debuts: Tom Hume (Reds) |
| Thursday, May 26 |
| » Defeated Reds (18-22), 6-5 | Candlestick Park (7-11) | 19-23 | Won 4 |
| » W: Gary Lavelle (3-1) L: Pedro Borbon (0-3) S: Randy Moffitt (4) | Second | 12½ out |
| Friday, May 27 |
| » Defeated Braves (16-29), 4-3 | Candlestick Park (8-11) | 20-23 | Won 5 |
| » W: Charlie Williams (2-1) L: Buzz Capra (1-5) | Second | 12½ out |
| Saturday, May 28 |
| » Lost to Braves (17-29), 2-1 | Candlestick Park (8-12) | 20-24 | |
| » W: Jamie Easterly (2-1) L: Ed Halicki (3-5) S: Rick Camp (5) | Second | 12½ out |
| Sunday, May 29 |
| » Defeated Braves (17-30), 3-2 | Candlestick Park (9-12) | 21-24 | |
| » W: Gary Lavelle (4-1) L: Dave Campbell (0-1) | Second | 11½ out |
| Monday, May 30 |
| » Lost to Padres (22-28), 12-8 | Candlestick Park (9-13) | 21-25 | |
| » W: Rick Sawyer (4-4) L: Lynn McGlothen (2-5) S: Rollie Fingers (11) | Fourth | 12 out |
| » Lost to Padres (23-28), 9-8 | Candlestick Park (9-14) | 21-26 | Lost 2 |
| » W: Dave Wehrmeister (1-0) L: Randy Moffitt (1-2) S: Rollie Fingers (12) | Fourth | 12 out |
| Tuesday, May 31 |
| » Lost to Padres (24-28), 4-2 | Candlestick Park (9-15) | 21-27 | Lost 3 |
| » W: Dave Tomlin (1-2) L: Jim Barr (6-5) S: Rollie Fingers (13) | Fourth | 12 out |
| Wednesday, June 1 |
| » Defeated Padres (24-29), 2-0 | Candlestick Park (10-15) | 22-27 | |
| » W: Ed Halicki (4-5) L: Bob Shirley (4-6) | Fourth | 12 out |
| Friday, June 3 |
| » Lost to Braves (18-33), 5-3 | Atlanta-Fulton County Stadium (0-1) | 22-28 | |
| » W: Don Collins (1-4) L: Lynn McGlothen (2-6) S: Rick Camp (6) | Fourth | 12½ out |
| » Lost to Braves (19-33), 8-7 | Atlanta-Fulton County Stadium (0-2) | 22-29 | Lost 2 |
| » W: Rick Camp (3-1) L: Gary Lavelle (4-2) | Fourth | 12½ out |
| Saturday, June 4 |
| » Lost to Braves (20-33), 7-1 | Atlanta-Fulton County Stadium (0-3) | 22-30 | Lost 3 |
| » W: Phil Niekro (3-8) L: Jack Curtis (1-1) | Fifth | 13½ out |
| Sunday, June 5 |
| » Defeated Braves (20-34), 10-9 | Atlanta-Fulton County Stadium (1-3) | 23-30 | |
| » W: Ed Halicki (5-5) L: Jamie Easterly (2-3) S: Gary Lavelle (7) | Fourth | 13½ out |
| Monday, June 6 |
| » Defeated Pirates (29-19), 3-1 | Three Rivers Stadium (1-0) | 24-30 | Won 2 |
| » W: Gary Lavelle (5-2) L: Rich Gossage (4-2) | Third | 12½ out |
| Tuesday, June 7 |
| » Defeated Pirates (29-20), 7-6 | Three Rivers Stadium (2-0) | 25-30 | Won 3 |
| » W: Jim Barr (7-5) L: Larry Demery (3-3) S: Randy Moffitt (5) | Third | 11½ out |
| Wednesday, June 8 |
| » Defeated Pirates (29-21), 3-2 | Three Rivers Stadium (3-0) | 26-30 | Won 4 |
| » W: Jack Curtis (2-1) L: Jim Rooker (5-4) S: Gary Lavelle (8) | Third | 11½ out |
| Thursday, June 9 |
| » Lost to Cubs (33-19), 1-0 | Wrigley Field (0-1) | 26-31 | |
| » W: Bruce Sutter (1-1) L: Randy Moffitt (1-3) | Third | 11½ out |
| Friday, June 10 |
| » Lost to Cubs (34-19), 3-1 | Wrigley Field (0-2) | 26-32 | Lost 2 |
| » W: Rick Reuschel (8-2) L: Bob Knepper (0-1) | Third | 11½ out |
| Saturday, June 11 |
| » Lost to Cubs (35-19), 5-3 | Wrigley Field (0-3) | 26-33 | Lost 3 |
| » W: Guillermo Hernandez (3-1) L: Gary Lavelle (5-3) S: Bruce Sutter (17) | Fourth | 12½ out |
| Sunday, June 12 |
| » Lost to Cubs (36-19), 6-5 | Wrigley Field (0-4) | 26-34 | Lost 4 |
| » W: Bruce Sutter (2-1) L: Gary Lavelle (5-4) | Third | 12½ out |
| Tuesday, June 14 |
| » Defeated Cardinals (33-25), 7-1 | Candlestick Park (11-15) | 27-34 | |
| » W: Ed Halicki (6-5) L: Bob Forsch (8-3) | Third | 12½ out |
| Wednesday, June 15 |
| » Lost to Cardinals (34-25), 9-6 | Candlestick Park (11-16) | 27-35 | |
| » W: John Urrea (2-3) L: Randy Moffitt (1-4) | Third | 13½ out |
| Thursday, June 16 |
| » Defeated Cardinals (34-26), 5-1 | Candlestick Park (12-16) | 28-35 | |
| » W: Jim Barr (8-5) L: Larry Dierker (1-3) | Third | 13½ out |
| Friday, June 17 |
| » Defeated Pirates (32-26), 4-3 | Candlestick Park (13-16) | 29-35 | Won 2 |
| » W: Dave Heaverlo (1-0) L: Jerry Reuss (2-7) S: Gary Lavelle (9) | Third | 12½ out |
| Saturday, June 18 |
| » Defeated Pirates (32-27), 7-5 | Candlestick Park (14-16) | 30-35 | Won 3 |
| » W: Randy Moffitt (2-4) L: Terry Forster (1-1) | Third | 12½ out |
| Sunday, June 19 |
| » Defeated Pirates (32-28), 8-0 | Candlestick Park (15-16) | 31-35 | Won 4 |
| » W: Bob Knepper (1-1) L: Jim Rooker (5-5) | Third | 12 out |
| » Defeated Pirates (32-29), 8-6 | Candlestick Park (16-16) | 32-35 | Won 5 |
| » W: Dave Heaverlo (2-0) L: Grant Jackson (0-1) S: Randy Moffitt (6) | Third | 12 out |
| Monday, June 20 |
| » Lost to Cubs (40-22), 10-9 | Candlestick Park (16-17) | 32-36 | |
| » W: Donnie Moore (3-0) L: Terry Cornutt (0-2) S: Rick Reuschel (1) | Third | 13 out |
| Tuesday, June 21 |
| » Lost to Cubs (41-22), 8-2 | Candlestick Park (16-18) | 32-37 | Lost 2 |
| » W: Mike Krukow (6-4) L: Jack Curtis (2-2) S: Steve Renko (1) | Third | 13 out |
| Wednesday, June 22 |
| » Lost to Cubs (42-22), 4-2 | Candlestick Park (16-19) | 32-38 | Lost 3 |
| » W: Bill Bonham (7-6) L: Ed Halicki (6-6) S: Bruce Sutter (18) | Third | 14 out |
| Friday, June 24 |
| » Lost to Astros (30-40), 6-5 | Astrodome (2-1) | 32-39 | Lost 4 |
| » W: Joe Sambito (4-2) L: Tommy Toms (0-1) | Third | 15 out |
| Saturday, June 25 |
| » Lost to Astros (31-40), 4-3 | Astrodome (2-2) | 32-40 | Lost 5 |
| » W: Joe Niekro (1-1) L: Randy Moffitt (2-5) | Third | 14½ out |
| » Defeated Astros (31-41), 4-1 | Astrodome (3-2) | 33-40 | |
| » W: Charlie Williams (3-1) L: Mark Lemongello (1-11) S: Gary Lavelle (10) | Third | 14½ out |
| Sunday, June 26 |
| » Defeated Astros (31-42), 2-0 | Astrodome (4-2) | 34-40 | Won 2 |
| » W: Ed Halicki (7-6) L: Ken Forsch (4-6) | Third | 14 out |
| Former Giant Jack Berly dies in Houston, TX at the age of 75. |
| Monday, June 27 |
| » Defeated Reds (37-33), 14-9 | Riverfront Stadium (2-2) | 35-40 | Won 3 |
| » W: Terry Cornutt (1-2) L: Joe Henderson (0-1) S: Gary Lavelle (11) | Third | 14 out |
| Tuesday, June 28 |
| » Lost to Reds (38-33), 11-4 | Riverfront Stadium (2-3) | 35-41 | |
| » W: Doug Capilla (1-0) L: Bob Knepper (1-2) | Third | 15 out |
| Wednesday, June 29 |
| » Lost to Reds (39-33), 5-4 | Riverfront Stadium (2-4) | 35-42 | Lost 2 |
| » W: Dale Murray (4-2) L: Jack Curtis (2-3) | Third | 16 out |
| Thursday, June 30 |
| » Lost to Reds (40-33), 11-5 | Riverfront Stadium (2-5) | 35-43 | Lost 3 |
| » W: Woodie Fryman (4-5) L: Ed Halicki (7-7) S: Dale Murray (2) | Third | 16 out |
| Friday, July 1 |
| » Lost to Dodgers (51-26), 10-5 | Candlestick Park (16-20) | 35-44 | Lost 4 |
| » W: Doug Rau (8-1) L: Charlie Williams (3-2) | Third | 17 out |
| Saturday, July 2 |
| » Lost to Dodgers (52-26), 10-3 | Candlestick Park (16-21) | 35-45 | Lost 5 |
| » W: Burt Hooton (7-3) L: Bob Knepper (1-3) | Third | 18 out |
| Sunday, July 3 |
| » Lost to Dodgers (53-26), 10-7 | Candlestick Park (16-22) | 35-46 | Lost 6 |
| » W: Tommy John (9-4) L: Jim Barr (8-6) S: Mike Garman (3) | Fourth | 19 out |
| Monday, July 4 |
| » Lost to Dodgers (54-26), 4-0 | Candlestick Park (16-23) | 35-47 | Lost 7 |
| » W: Don Sutton (10-3) L: Ed Halicki (7-8) | Fourth | 20 out |
| Wednesday, July 6 |
| » Lost to Padres (35-49), 7-5 | Candlestick Park (16-24) | 35-48 | Lost 8 |
| » W: Dan Spillner (4-0) L: Dave Heaverlo (2-1) | Fourth | 20 out |
| Thursday, July 7 |
| » Defeated Padres (35-50), 5-1 | Candlestick Park (17-24) | 36-48 | |
| » W: Bob Knepper (2-3) L: Bob Owchinko (2-4) | Fourth | 20 out |
| Friday, July 8 |
| » Defeated Braves (30-52), 3-2 | Candlestick Park (18-24) | 37-48 | Won 2 |
| » W: Gary Lavelle (6-4) L: Phil Niekro (8-10) | Fourth | 20 out |
| Saturday, July 9 |
| » Defeated Braves (30-53), 5-4 | Candlestick Park (19-24) | 38-48 | Won 3 |
| » W: Randy Moffitt (3-5) L: Jamie Easterly (2-4) | Third | 19 out |
| Sunday, July 10 |
| » Defeated Braves (30-54), 5-2 | Candlestick Park (20-24) | 39-48 | Won 4 |
| » W: Charlie Williams (4-2) L: Dick Ruthven (3-4) | Third | 17 out |
| » Defeated Braves (30-55), 12-5 | Candlestick Park (21-24) | 40-48 | Won 5 |
| » W: Dave Heaverlo (3-1) L: Eddie Solomon (0-1) | Third | 17 out |
| Monday, July 11 |
| » Defeated Padres (38-52), 5-1 | San Diego/Jack Murphy Stadium (3-1) | 41-48 | Won 6 |
| » W: Bob Knepper (3-3) L: Bob Shirley (6-10) S: Randy Moffitt (7) | Third | 16½ out |
| Tuesday, July 12 |
| » Lost to Padres (39-52), 7-3 | San Diego/Jack Murphy Stadium (3-2) | 41-49 | |
| » W: Bob Owchinko (3-4) L: Jim Barr (8-7) S: Dan Spillner (4) | Third | 17½ out |
| Wednesday, July 13 |
| » Defeated Padres (39-53), 5-4 | San Diego/Jack Murphy Stadium (4-2) | 42-49 | |
| » W: Ed Halicki (8-8) L: Tom Griffin (5-8) S: Gary Lavelle (12) | Third | 16½ out |
| Friday, July 15 |
| » Lost to Braves (33-56), 3-2 | Atlanta-Fulton County Stadium (1-4) | 42-50 | |
| » W: Eddie Solomon (1-1) L: John Montefusco (2-8) S: Rick Camp (10) | Third | 16 out |
| Saturday, July 16 |
| » Defeated Braves (33-57), 4-0 | Atlanta-Fulton County Stadium (2-4) | 43-50 | |
| » W: Bob Knepper (4-3) L: Phil Niekro (9-11) S: Gary Lavelle (13) | Third | 16 out |
| Former Giant Milt Stock dies in Fairhope, AL at the age of 85. |
| Sunday, July 17 |
| » Lost to Braves (34-57), 11-10 | Atlanta-Fulton County Stadium (2-5) | 43-51 | |
| » W: Max Leon (4-3) L: Lynn McGlothen (2-7) | Fourth | 17 out |
| Thursday, July 21 |
| » Lost to Phillies (53-38), 9-6 | Candlestick Park (21-25) | 43-52 | Lost 2 |
| » W: Jim Lonborg (4-3) L: Charlie Williams (4-3) S: Gene Garber (10) | Fourth | 17 out |
| Friday, July 22 |
| » Defeated Phillies (53-39), 6-2 | Candlestick Park (22-25) | 44-52 | |
| » W: John Montefusco (3-8) L: Steve Carlton (13-5) S: Gary Lavelle (14) | Fourth | 16 out |
| Future Giant Ryan Vogelsong is born in Charlotte, NC. |
| Saturday, July 23 |
| » Lost to Phillies (54-39), 6-3 | Candlestick Park (22-26) | 44-53 | |
| » W: Larry Christenson (9-5) L: Bob Knepper (4-4) S: Tug McGraw (6) | Fourth | 16 out |
| Sunday, July 24 |
| » Defeated Expos (45-48), 3-0 | Candlestick Park (23-26) | 45-53 | |
| » W: Jim Barr (9-7) L: Wayne Twitchell (2-6) | Fourth | 15½ out |
| » Defeated Expos (45-49), 5-4 | Candlestick Park (24-26) | 46-53 | Won 2 |
| » W: Jack Curtis (3-3) L: Will McEnaney (2-4) | Fourth | 15½ out |
| Monday, July 25 |
| » Lost to Expos (46-49), 4-3 | Candlestick Park (24-27) | 46-54 | |
| » W: Steve Rogers (11-8) L: Ed Halicki (8-9) S: Bill Atkinson (6) | Fourth | 15½ out |
| Tuesday, July 26 |
| » Lost to Mets (40-58), 8-3 | Candlestick Park (24-28) | 46-55 | Lost 2 |
| » W: Pat Zachry (5-10) L: John Montefusco (3-9) S: Bob Apodaca (3) | Fourth | 16 out |
| Wednesday, July 27 |
| » Lost to Mets (41-58), 7-4 | Candlestick Park (24-29) | 46-56 | Lost 3 |
| » W: Jon Matlack (6-12) L: Bob Knepper (4-5) S: Skip Lockwood (15) | Fourth | 17 out |
| Friday, July 29 |
| » Defeated Phillies (57-43), 7-0 | Veteran's Stadium (2-2) | 47-56 | |
| » W: Jim Barr (10-7) L: Randy Lerch (6-3) | Third | 17½ out |
| Saturday, July 30 |
| » Lost to Phillies (58-43), 9-3 | Veteran's Stadium (2-3) | 47-57 | |
| » W: Steve Carlton (14-6) L: Lynn McGlothen (2-8) S: Gene Garber (11) | Fourth | 18½ out |
| Sunday, July 31 |
| » Lost to Phillies (59-43), 5-4 | Veteran's Stadium (2-4) | 47-58 | Lost 2 |
| » W: Tug McGraw (5-2) L: Gary Lavelle (6-5) S: Ron Reed (11) | Fourth | 19½ out |
| Monday, August 1 |
| » Defeated Expos (48-55), 9-2 | Stade Olympique (3-1) | 48-58 | |
| » W: John Montefusco (4-9) L: Wayne Twitchell (2-7) | Fourth | 18½ out |
| Tuesday, August 2 |
| » Lost to Expos (49-55), 10-2 | Stade Olympique (3-2) | 48-59 | |
| » W: Steve Rogers (12-9) L: Bob Knepper (4-6) | Fourth | 19½ out |
| Wednesday, August 3 |
| » Lost to Expos (50-55), 4-2 | Stade Olympique (3-3) | 48-60 | Lost 2 |
| » W: Jackie Brown (8-8) L: Jim Barr (10-8) S: Don Stanhouse (3) | Fourth | 19½ out |
| Friday, August 5 |
| » Lost to Mets (46-60), 3-2 | Shea Stadium (0-4) | 48-61 | Lost 3 |
| » W: Bob Myrick (1-1) L: Gary Lavelle (6-6) | Fourth | 19½ out |
| Saturday, August 6 |
| » Defeated Mets (46-61), 7-3 | Shea Stadium (1-4) | 49-61 | |
| » W: Ed Halicki (9-9) L: Pat Zachry (5-11) | Fourth | 18½ out |
| Sunday, August 7 |
| » Defeated Mets (46-62), 7-4 | Shea Stadium (2-4) | 50-61 | Won 2 |
| » W: John Montefusco (5-9) L: Bob Apodaca (3-5) S: Gary Lavelle (15) | Fourth | 17½ out |
| Tuesday, August 9 |
| » Defeated Astros (52-61), 4-3 | Candlestick Park (25-29) | 51-61 | Won 3 |
| » W: Jim Barr (11-8) L: Joe Niekro (7-4) S: Gary Lavelle (16) | Third | 16½ out |
| » Defeated Astros (52-62), 5-0 | Candlestick Park (26-29) | 52-61 | Won 4 |
| » W: Bob Knepper (5-6) L: Gene Pentz (3-2) | Third | 16½ out |
| Wednesday, August 10 |
| » Lost to Astros (53-62), 8-6 | Candlestick Park (26-30) | 52-62 | |
| » W: J.R. Richard (11-9) L: Lynn McGlothen (2-9) S: Ken Forsch (8) | Fourth | 17½ out |
| Thursday, August 11 |
| » Lost to Astros (54-62), 7-5 | Candlestick Park (26-31) | 52-63 | Lost 2 |
| » W: Dan Larson (1-6) L: Gary Lavelle (6-7) S: Joe Sambito (5) | Fourth | 17½ out |
| Friday, August 12 |
| » Defeated Reds (57-57), 4-3 | Candlestick Park (27-31) | 53-63 | |
| » W: John Montefusco (6-9) L: Mario Soto (2-2) S: Randy Moffitt (8) | Fourth | 16½ out |
| Saturday, August 13 |
| » Lost to Reds (58-57), 3-1 | Candlestick Park (27-32) | 53-64 | |
| » W: Dale Murray (6-2) L: Jim Barr (11-9) S: Pedro Borbon (11) | Fourth | 17½ out |
| Sunday, August 14 |
| » Defeated Reds (58-58), 6-1 | Candlestick Park (28-32) | 54-64 | |
| » W: Bob Knepper (6-6) L: Doug Capilla (4-5) | Fourth | 18 out |
| » Lost to Reds (59-58), 9-3 | Candlestick Park (28-33) | 54-65 | |
| » W: Fred Norman (10-10) L: Charlie Williams (4-4) | Fourth | 18 out |
| Monday, August 15 |
| » Defeated Dodgers (71-47), 6-3 | Dodger Stadium (2-2) | 55-65 | |
| » W: Ed Halicki (10-9) L: Rick Rhoden (13-8) S: Gary Lavelle (17) | Fourth | 17 out |
| Tuesday, August 16 |
| » Lost to Dodgers (72-47), 3-2 | Dodger Stadium (2-3) | 55-66 | |
| » W: Lance Rautzhan (2-1) L: Randy Moffitt (3-6) | Fourth | 18 out |
| Thursday, August 18 |
| » Lost to Dodgers (73-47), 7-0 | Dodger Stadium (2-4) | 55-67 | Lost 2 |
| » W: Don Sutton (11-7) L: Jim Barr (11-10) | Fourth | 19 out |
| Friday, August 19 |
| » Lost to Pirates (71-51), 6-1 | Three Rivers Stadium (3-1) | 55-68 | Lost 3 |
| » W: John Candelaria (13-4) L: Bob Knepper (6-7) | Fourth | 19 out |
| Saturday, August 20 |
| » Defeated Pirates (71-52), 5-1 | Three Rivers Stadium (4-1) | 56-68 | |
| » W: Ed Halicki (11-9) L: Odell Jones (3-5) | Fourth | 18 out |
| Sunday, August 21 |
| » Defeated Pirates (71-53), 5-4 | Three Rivers Stadium (5-1) | 57-68 | Won 2 |
| » W: Gary Lavelle (7-7) L: Rich Gossage (8-8) S: Randy Moffitt (9) | Fourth | 18 out |
| Monday, August 22 |
| » Lost to Cubs (70-53), 3-2 | Wrigley Field (0-5) | 57-69 | |
| » W: Rick Reuschel (17-5) L: Jim Barr (11-11) S: Guillermo Hernandez (4) | Fourth | 18 out |
| Tuesday, August 23 |
| » Defeated Cubs (70-54), 4-3 | Wrigley Field (1-5) | 58-69 | |
| » W: Charlie Williams (5-4) L: Paul Reuschel (4-5) | Third | 17 out |
| Wednesday, August 24 |
| » Lost to Cardinals (71-55), 3-2 | Busch Stadium II (3-2) | 58-70 | |
| » W: John Urrea (6-3) L: Ed Halicki (11-10) S: Al Hrabosky (9) | Fourth | 18 out |
| Thursday, August 25 |
| » Defeated Cardinals (71-56), 4-2 | Busch Stadium II (4-2) | 59-70 | |
| » W: John Montefusco (7-9) L: Butch Metzger (4-1) S: Randy Moffitt (10) | Fourth | 17 out |
| Friday, August 26 |
| » Lost to Cubs (71-56), 5-2 | Candlestick Park (28-34) | 59-71 | |
| » W: Rick Reuschel (18-5) L: Jim Barr (11-12) S: Bruce Sutter (25) | Fourth | 18 out |
| Saturday, August 27 |
| » Defeated Cubs (71-57), 7-1 | Candlestick Park (29-34) | 60-71 | |
| » W: Bob Knepper (7-7) L: Ray Burris (12-13) | Fourth | 18 out |
| Sunday, August 28 |
| » Defeated Cubs (71-58), 4-1 | Candlestick Park (30-34) | 61-71 | Won 2 |
| » W: Ed Halicki (12-10) L: Dave Roberts (4-11) | Fourth | 18 out |
| Tuesday, August 30 |
| » Lost to Pirates (77-55), 3-1 | Candlestick Park (30-35) | 61-72 | |
| » W: John Candelaria (15-4) L: John Montefusco (7-10) | Fourth | 18½ out |
| Wednesday, August 31 |
| » Defeated Pirates (77-56), 6-3 | Candlestick Park (31-35) | 62-72 | |
| » W: Jim Barr (12-12) L: Bruce Kison (7-7) | Fourth | 18½ out |
| Friday, September 2 |
| » Lost to Cardinals (72-62), 6-4 | Candlestick Park (31-36) | 62-73 | |
| » W: Buddy Schultz (6-1) L: Randy Moffitt (3-7) S: Butch Metzger (7) | Fourth | 19½ out |
| Saturday, September 3 |
| » Defeated Cardinals (72-63), 6-5 | Candlestick Park (32-36) | 63-73 | |
| » W: Dave Heaverlo (4-1) L: Pete Falcone (4-7) | Fourth | 19½ out |
| Sunday, September 4 |
| » Lost to Cardinals (73-63), 8-2 | Candlestick Park (32-37) | 63-74 | |
| » W: John Urrea (7-3) L: John Montefusco (7-11) | Fourth | 20½ out |
| Monday, September 5 |
| » Lost to Braves (51-86), 4-0 | Atlanta-Fulton County Stadium (2-6) | 63-75 | Lost 2 |
| » W: Dick Ruthven (6-10) L: Jim Barr (12-13) | Fourth | 20½ out |
| Tuesday, September 6 |
| » Defeated Braves (51-87), 12-2 | Atlanta-Fulton County Stadium (3-6) | 64-75 | |
| » W: Bob Knepper (8-7) L: Eddie Solomon (4-5) | Fourth | 20½ out |
| Wednesday, September 7 |
| » Defeated Reds (73-67), 6-3 | Riverfront Stadium (3-5) | 65-75 | Won 2 |
| » W: Ed Halicki (13-10) L: Mario Soto (2-5) S: Gary Lavelle (18) | Fourth | 20½ out |
| Thursday, September 8 |
| » Lost to Reds (74-67), 6-5 | Riverfront Stadium (3-6) | 65-76 | |
| » W: Pedro Borbon (8-4) L: Randy Moffitt (3-8) | Fourth | 21½ out |
| Friday, September 9 |
| » Lost to Astros (70-71), 6-1 | Astrodome (4-3) | 65-77 | Lost 2 |
| » W: Joe Niekro (12-5) L: Jim Barr (12-14) | Fourth | 22½ out |
| Saturday, September 10 |
| » Lost to Astros (71-71), 2-0 | Astrodome (4-4) | 65-78 | Lost 3 |
| » W: Mark Lemongello (8-14) L: Bob Knepper (8-8) S: Joe Sambito (7) | Fourth | 22½ out |
| Sunday, September 11 |
| » Defeated Astros (71-72), 2-1 | Astrodome (5-4) | 66-78 | |
| » W: Ed Halicki (14-10) L: Joaquin Andujar (11-6) S: Gary Lavelle (19) | Fourth | 21½ out |
| Monday, September 12 |
| » Lost to Braves (55-89), 3-1 | Candlestick Park (32-38) | 66-79 | |
| » W: Phil Niekro (15-17) L: Charlie Williams (5-5) | Fourth | 22½ out |
| Tuesday, September 13 |
| » Defeated Braves (55-90), 8-7 | Candlestick Park (33-38) | 67-79 | |
| » W: Randy Moffitt (4-8) L: Dave Campbell (0-6) | Fourth | 22½ out |
| » Major-league debuts: Mickey Mahler (Braves) |
| Wednesday, September 14 |
| » Defeated Astros (73-73), 3-2 | Candlestick Park (34-38) | 68-79 | Won 2 |
| » W: Bob Knepper (9-8) L: Joe Niekro (12-6) S: Jack Curtis (1) | Fourth | 21½ out |
| Thursday, September 15 |
| » Lost to Astros (74-73), 6-3 | Candlestick Park (34-39) | 68-80 | |
| » W: Gene Pentz (5-2) L: Ed Halicki (14-11) | Fourth | 21½ out |
| Friday, September 16 |
| » Lost to Reds (79-70), 5-3 | Candlestick Park (34-40) | 68-81 | Lost 2 |
| » W: Doug Capilla (7-7) L: Greg Minton (0-1) S: Pedro Borbon (16) | Fourth | 22½ out |
| Saturday, September 17 |
| » Lost to Reds (80-70), 8-6 | Candlestick Park (34-41) | 68-82 | Lost 3 |
| » W: Pedro Borbon (10-4) L: Randy Moffitt (4-9) | Fourth | 23½ out |
| Sunday, September 18 |
| » Defeated Reds (80-71), 3-2 | Candlestick Park (35-41) | 69-82 | |
| » W: Bob Knepper (10-8) L: Pedro Borbon (10-5) | Fourth | 22½ out |
| Tuesday, September 20 |
| » Lost to Dodgers (92-59), 3-1 | Candlestick Park (35-42) | 69-83 | |
| » W: Tommy John (19-6) L: Ed Halicki (14-12) S: Lance Rautzhan (2) | Fourth | 23½ out |
| Wednesday, September 21 |
| » Defeated Dodgers (92-60), 5-4 | Candlestick Park (36-42) | 70-83 | |
| » W: Greg Minton (1-1) L: Charlie Hough (5-11) S: Gary Lavelle (20) | Fourth | 22½ out |
| Friday, September 23 |
| » Defeated Padres (66-89), 6-4 | San Diego/Jack Murphy Stadium (5-2) | 71-83 | Won 2 |
| » W: Dave Heaverlo (5-1) L: Dan Spillner (7-6) | Fourth | 21½ out |
| Saturday, September 24 |
| » Defeated Padres (66-90), 3-2 | San Diego/Jack Murphy Stadium (6-2) | 72-83 | Won 3 |
| » W: Charlie Williams (6-5) L: Rollie Fingers (8-9) S: Randy Moffitt (11) | Fourth | 21½ out |
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