| Thursday, January 28 |
| Former Giant Hub Pruett dies in Ladue, MO at the age of 82. |
| Tuesday, April 6 |
| » Lost to Dodgers (1-0), 4-3 | Dodger Stadium (0-1) | 0-1 | |
| » W: Terry Forster (1-0) L: Gary Lavelle (0-1) | Second | 1 out |
| Wednesday, April 7 |
| » Lost to Dodgers (2-0), 9-2 | Dodger Stadium (0-2) | 0-2 | Lost 2 |
| » W: Bob Welch (1-0) L: Fred Breining (0-1) | Third | 2 out |
| Friday, April 9 |
| » Lost to Reds (2-1), 7-0 | Riverfront Stadium (0-1) | 0-3 | Lost 3 |
| » W: Frank Pastore (1-0) L: Dan Schatzeder (0-1) | Fifth | 3 out |
| Saturday, April 10 |
| » Defeated Reds (2-2), 7-5 | Riverfront Stadium (1-1) | 1-3 | |
| » W: Greg Minton (1-0) L: Tom Hume (0-1) S: Jim Barr (1) | Fifth | 3 out |
| Sunday, April 11 |
| » Defeated Reds (2-3), 6-1 | Riverfront Stadium (2-1) | 2-3 | Won 2 |
| » W: Al Holland (1-0) L: Charlie Leibrandt (0-1) | Third | 3 out |
| Tuesday, April 13 |
| » Defeated Padres (1-4), 3-2 | Candlestick Park (1-0) | 3-3 | Won 3 |
| » W: Alan Fowlkes (1-0) L: John Montefusco (0-2) S: Greg Minton (1) | Third | 3½ out |
| Wednesday, April 14 |
| » Lost to Padres (2-4), 3-2 | Candlestick Park (1-1) | 3-4 | |
| » W: Tim Lollar (1-0) L: Dan Schatzeder (0-2) S: Gary Lucas (2) | Fourth | 4½ out |
| Friday, April 16 |
| » Defeated Reds (2-7), 6-1 | Candlestick Park (2-1) | 4-4 | |
| » W: Rich Gale (1-0) L: Mario Soto (0-2) | Second | 4½ out |
| Saturday, April 17 |
| » Lost to Reds (3-7), 8-2 | Candlestick Park (2-2) | 4-5 | |
| » W: Bruce Berenyi (2-1) L: Al Holland (1-1) S: Tom Hume (2) | Third | 5½ out |
| Sunday, April 18 |
| » Defeated Reds (3-8), 4-2 | Candlestick Park (3-2) | 5-5 | |
| » W: Alan Fowlkes (2-0) L: Tom Seaver (0-1) S: Greg Minton (2) | Third | 5½ out |
| Monday, April 19 |
| » Lost to Padres (7-4), 13-6 | San Diego/Jack Murphy Stadium (0-1) | 5-6 | |
| » W: Juan Eichelberger (2-2) L: Dan Schatzeder (0-3) | Third | 6 out |
| Tuesday, April 20 |
| » Lost to Padres (8-4), 8-4 | San Diego/Jack Murphy Stadium (0-2) | 5-7 | Lost 2 |
| » W: John Curtis (2-0) L: Rich Gale (1-1) S: Danny Boone (1) | Third | 7 out |
| Wednesday, April 21 |
| » Lost to Padres (9-4), 7-6 | San Diego/Jack Murphy Stadium (0-3) | 5-8 | Lost 3 |
| » W: John Montefusco (1-2) L: Al Holland (1-2) S: Gary Lucas (5) | Fourth | 8 out |
| Friday, April 23 |
| » Lost to Dodgers (7-8), 9-0 | Candlestick Park (3-3) | 5-9 | Lost 4 |
| » W: Bob Welch (3-0) L: Alan Fowlkes (2-1) | Fifth | 7½ out |
| » Major-league debuts: Bill Laskey (Giants) |
| Saturday, April 24 |
| » Lost to Dodgers (8-8), 7-6 | Candlestick Park (3-4) | 5-10 | Lost 5 |
| » W: Steve Howe (1-0) L: Greg Minton (1-1) S: Terry Forster (1) | Fifth | 7½ out |
| Sunday, April 25 |
| » Defeated Dodgers (8-9), 6-3 | Candlestick Park (4-4) | 6-10 | |
| » W: Fred Breining (1-1) L: Fernando Valenzuela (2-2) S: Gary Lavelle (1) | Fourth | 7 out |
| Tuesday, April 27 |
| » Lost to Expos (9-5), 3-2 | Candlestick Park (4-5) | 6-11 | |
| » W: Steve Rogers (3-1) L: Al Holland (1-3) | Sixth | 6½ out |
| Wednesday, April 28 |
| » Defeated Expos (9-6), 7-0 | Candlestick Park (5-5) | 7-11 | |
| » W: Bill Laskey (1-0) L: Bill Gullickson (1-1) | Fourth | 6½ out |
| Thursday, April 29 |
| » Defeated Expos (9-7), 7-3 | Candlestick Park (6-5) | 8-11 | Won 2 |
| » W: Alan Fowlkes (3-1) L: Ray Burris (0-4) | Fourth | 6½ out |
| Friday, April 30 |
| » Defeated Mets (10-10), 5-4 | Candlestick Park (7-5) | 9-11 | Won 3 |
| » W: Fred Breining (2-1) L: Neil Allen (0-1) | Fourth | 6½ out |
| Saturday, May 1 |
| » Defeated Mets (10-11), 6-3 | Candlestick Park (8-5) | 10-11 | Won 4 |
| » W: Atlee Hammaker (1-0) L: Pat Zachry (1-1) S: Greg Minton (3) | Fourth | 5½ out |
| Sunday, May 2 |
| » Defeated Mets (10-12), 4-3 | Candlestick Park (9-5) | 11-11 | Won 5 |
| » W: Al Holland (2-3) L: Ed Lynch (0-1) S: Greg Minton (4) | Third | 6 out |
| » Lost to Mets (11-12), 2-0 | Candlestick Park (9-6) | 11-12 | |
| » W: Randy Jones (3-1) L: Bill Laskey (1-1) S: Neil Allen (6) | Third | 6 out |
| Monday, May 3 |
| » Lost to Phillies (8-14), 5-3 | Candlestick Park (9-7) | 11-13 | Lost 2 |
| » W: Sid Monge (1-0) L: Dan Schatzeder (0-4) S: Ed Farmer (3) | Third | 7 out |
| Tuesday, May 4 |
| » Lost to Phillies (9-14), 9-4 | Candlestick Park (9-8) | 11-14 | Lost 3 |
| » W: Steve Carlton (3-4) L: Rich Gale (1-2) | Fifth | 7 out |
| Thursday, May 6 |
| » Defeated Mets (12-14), 5-3 | Shea Stadium (1-0) | 12-14 | |
| » W: Greg Minton (2-1) L: Jesse Orosco (0-4) | Fourth | 6 out |
| Friday, May 7 |
| » Lost to Mets (13-14), 3-2 | Shea Stadium (1-1) | 12-15 | |
| » W: Charlie Puleo (3-2) L: Bill Laskey (1-2) S: Neil Allen (7) | Fifth | 7 out |
| Saturday, May 8 |
| » Defeated Mets (13-15), 8-3 | Shea Stadium (2-1) | 13-15 | |
| » W: Gary Lavelle (1-1) L: Ed Lynch (1-2) | Fourth | 6 out |
| » Major-league debuts: Tom O'Malley (Giants) |
| Sunday, May 9 |
| » Lost to Mets (14-15), 6-5 | Shea Stadium (2-2) | 13-16 | |
| » W: Craig Swan (2-1) L: Greg Minton (2-2) | Fourth | 7 out |
| Monday, May 10 |
| » Lost to Expos (13-13), 5-4 | Stade Olympique (0-1) | 13-17 | Lost 2 |
| » W: Woodie Fryman (1-0) L: Gary Lavelle (1-2) S: Jeff Reardon (5) | Fifth | 7½ out |
| Tuesday, May 11 |
| » Defeated Expos (13-14), 5-4 | Stade Olympique (1-1) | 14-17 | |
| » W: Atlee Hammaker (2-0) L: Scott Sanderson (3-3) S: Greg Minton (5) | Fourth | 6½ out |
| Wednesday, May 12 |
| » Defeated Expos (13-15), 3-2 | Stade Olympique (2-1) | 15-17 | Won 2 |
| » W: Bill Laskey (2-2) L: Steve Rogers (4-3) S: Greg Minton (6) | Fourth | 6½ out |
| Thursday, May 13 |
| » Lost to Phillies (16-15), 8-1 | Veteran's Stadium (0-1) | 15-18 | |
| » W: Dick Ruthven (2-3) L: Alan Fowlkes (3-2) | Fourth | 6½ out |
| Friday, May 14 |
| » Lost to Phillies (17-15), 2-0 | Veteran's Stadium (0-2) | 15-19 | Lost 2 |
| » W: Steve Carlton (4-5) L: Rich Gale (1-3) | Fourth | 7½ out |
| Saturday, May 15 |
| » Lost to Phillies (18-15), 5-3 | Veteran's Stadium (0-3) | 15-20 | Lost 3 |
| » W: Larry Christenson (3-3) L: Greg Minton (2-3) S: Sparky Lyle (1) | Fourth | 7½ out |
| Sunday, May 16 |
| » Lost to Phillies (19-15), 6-1 | Veteran's Stadium (0-4) | 15-21 | Lost 4 |
| » W: Mike Krukow (3-2) L: Atlee Hammaker (2-1) | Fifth | 8½ out |
| Tuesday, May 18 |
| » Defeated Pirates (14-19), 2-1 | Candlestick Park (10-8) | 16-21 | |
| » W: Bill Laskey (3-2) L: John Candelaria (0-2) | Sixth | 8 out |
| Wednesday, May 19 |
| » Lost to Pirates (15-19), 2-1 | Candlestick Park (10-9) | 16-22 | |
| » W: Don Robinson (4-0) L: Mike Chris (0-1) S: Kent Tekulve (5) | Sixth | 9 out |
| Thursday, May 20 |
| » Defeated Pirates (15-20), 3-1 | Candlestick Park (11-9) | 17-22 | |
| » W: Gary Lavelle (2-2) L: Rod Scurry (1-3) | Fifth | 8½ out |
| Friday, May 21 |
| » Lost to Cubs (17-22), 6-4 | Candlestick Park (11-10) | 17-23 | |
| » W: Dick Tidrow (1-0) L: Renie Martin (0-1) S: Bill Campbell (3) | Fourth | 9½ out |
| Saturday, May 22 |
| » Lost to Cubs (18-22), 2-1 | Candlestick Park (11-11) | 17-24 | Lost 2 |
| » W: Allen Ripley (2-0) L: Atlee Hammaker (2-2) S: Willie Hernandez (5) | Fifth | 9½ out |
| Sunday, May 23 |
| » Defeated Cubs (18-23), 4-3 | Candlestick Park (12-11) | 18-24 | |
| » W: Gary Lavelle (3-2) L: Dick Tidrow (1-1) | Fifth | 8 out |
| » Defeated Cubs (18-24), 6-3 | Candlestick Park (13-11) | 19-24 | Won 2 |
| » W: Dan Schatzeder (1-4) L: Dan Larson (0-4) S: Jim Barr (2) | Fifth | 8 out |
| Monday, May 24 |
| » Lost to Cardinals (26-17), 6-0 | Candlestick Park (13-12) | 19-25 | |
| » W: Joaquin Andujar (4-3) L: Rich Gale (1-4) | Fifth | 8 out |
| Tuesday, May 25 |
| » Lost to Cardinals (27-17), 8-3 | Candlestick Park (13-13) | 19-26 | Lost 2 |
| » W: Dave LaPoint (3-0) L: Renie Martin (0-2) | Fifth | 9 out |
| Wednesday, May 26 |
| » Lost to Cardinals (28-17), 8-4 | Candlestick Park (13-14) | 19-27 | Lost 3 |
| » W: Steve Mura (5-3) L: Atlee Hammaker (2-3) S: Bruce Sutter (13) | Sixth | 9 out |
| Friday, May 28 |
| » Defeated Pirates (17-25), 10-5 | Three Rivers Stadium (1-0) | 20-27 | |
| » W: Bill Laskey (4-2) L: John Candelaria (1-3) | Fifth | 8½ out |
| Saturday, May 29 |
| » Defeated Pirates (17-26), 9-5 | Three Rivers Stadium (2-0) | 21-27 | Won 2 |
| » W: Jim Barr (1-0) L: Don Robinson (5-1) | Fifth | 7½ out |
| Sunday, May 30 |
| » Lost to Pirates (18-26), 7-6 | Three Rivers Stadium (2-1) | 21-28 | |
| » W: Eddie Solomon (2-6) L: Jim Barr (1-1) | Fifth | 7½ out |
| Monday, May 31 |
| » Lost to Cardinals (31-18), 11-6 | Busch Stadium II (0-1) | 21-29 | Lost 2 |
| » W: John Martin (4-4) L: Renie Martin (0-3) | Fifth | 7½ out |
| Tuesday, June 1 |
| » Defeated Cardinals (31-19), 4-3 | Busch Stadium II (1-1) | 22-29 | |
| » W: Greg Minton (3-3) L: Jim Kaat (1-1) S: Gary Lavelle (2) | Fourth | 7½ out |
| » Major-league debuts: John Stuper (Cardinals) |
| Wednesday, June 2 |
| » Lost to Cardinals (32-19), 1-0 | Busch Stadium II (1-2) | 22-30 | |
| » W: Joaquin Andujar (5-4) L: Bill Laskey (4-3) | Fifth | 8½ out |
| Friday, June 4 |
| » Defeated Cubs (21-31), 4-3 | Wrigley Field (1-0) | 23-30 | |
| » W: Fred Breining (3-1) L: Fergie Jenkins (3-7) S: Greg Minton (7) | Fifth | 8 out |
| Former Giant Tony Kaufmann dies in Elgin, IL at the age of 82. |
| Saturday, June 5 |
| » Defeated Cubs (21-32), 2-1 | Wrigley Field (2-0) | 24-30 | Won 2 |
| » W: Rich Gale (2-4) L: Doug Bird (3-6) S: Greg Minton (8) | Fourth | 8 out |
| Sunday, June 6 |
| » Defeated Cubs (21-33), 5-3 | Wrigley Field (3-0) | 25-30 | Won 3 |
| » W: Renie Martin (1-3) L: Randy Martz (4-5) S: Greg Minton (9) | Fourth | 7 out |
| Tuesday, June 8 |
| » Defeated Astros (24-30), 7-3 | Candlestick Park (14-14) | 26-30 | Won 4 |
| » W: Atlee Hammaker (3-3) L: Nolan Ryan (5-7) S: Gary Lavelle (3) | Fourth | 7½ out |
| Wednesday, June 9 |
| » Lost to Astros (25-30), 6-1 | Candlestick Park (14-15) | 26-31 | |
| » W: Joe Niekro (5-4) L: Bill Laskey (4-4) | Fourth | 8½ out |
| Friday, June 11 |
| » Lost to Braves (34-21), 5-3 | Candlestick Park (14-16) | 26-32 | Lost 2 |
| » W: Bob Walk (5-4) L: Mike Chris (0-2) S: Gene Garber (10) | Fourth | 9½ out |
| Saturday, June 12 |
| » Lost to Braves (35-21), 10-5 | Candlestick Park (14-17) | 26-33 | Lost 3 |
| » W: Phil Niekro (5-2) L: Rich Gale (2-5) S: Al Hrabosky (2) | Fourth | 10½ out |
| Sunday, June 13 |
| » Defeated Braves (35-22), 2-1 | Candlestick Park (15-17) | 27-33 | |
| » W: Renie Martin (2-3) L: Ken Dayley (2-3) S: Greg Minton (10) | Fourth | 10½ out |
| » Lost to Braves (36-22), 5-1 | Candlestick Park (15-18) | 27-34 | |
| » W: Rick Camp (4-3) L: Atlee Hammaker (3-4) S: Gene Garber (11) | Fourth | 10½ out |
| Tuesday, June 15 |
| » Defeated Reds (25-35), 4-3 | Riverfront Stadium (3-1) | 28-34 | |
| » W: Bill Laskey (5-4) L: Tom Seaver (3-7) S: Gary Lavelle (4) | Fourth | 10 out |
| Wednesday, June 16 |
| » Lost to Reds (26-35), 7-3 | Riverfront Stadium (3-2) | 28-35 | |
| » W: Mario Soto (6-4) L: Jim Barr (1-2) S: Tom Hume (13) | Fourth | 11 out |
| Thursday, June 17 |
| » Lost to Reds (27-35), 4-2 | Riverfront Stadium (3-3) | 28-36 | Lost 2 |
| » W: Charlie Leibrandt (3-1) L: Rich Gale (2-6) S: Tom Hume (14) | Fourth | 11½ out |
| Friday, June 18 |
| » Lost to Braves (39-23), 8-3 | Atlanta-Fulton County Stadium (0-1) | 28-37 | Lost 3 |
| » W: Ken Dayley (3-3) L: Renie Martin (2-4) S: Rick Camp (5) | Fourth | 12½ out |
| Saturday, June 19 |
| » Defeated Braves (39-24), 9-4 | Atlanta-Fulton County Stadium (1-1) | 29-37 | |
| » W: Gary Lavelle (4-2) L: Gene Garber (5-3) | Fourth | 11½ out |
| Sunday, June 20 |
| » Defeated Braves (39-25), 5-3 | Atlanta-Fulton County Stadium (2-1) | 30-37 | Won 2 |
| » W: Bill Laskey (6-4) L: Bob Walk (6-5) S: Greg Minton (11) | Fourth | 10½ out |
| Monday, June 21 |
| » Lost to Braves (40-25), 7-6 | Atlanta-Fulton County Stadium (2-2) | 30-38 | |
| » W: Rick Camp (5-3) L: Greg Minton (3-4) | Fourth | 11½ out |
| Tuesday, June 22 |
| » Lost to Astros (29-38), 2-0 | Astrodome (0-1) | 30-39 | Lost 2 |
| » W: Vern Ruhle (5-4) L: Rich Gale (2-7) | Fourth | 11½ out |
| Wednesday, June 23 |
| » Defeated Astros (29-39), 9-8 | Astrodome (1-1) | 31-39 | |
| » W: Fred Breining (4-1) L: Frank LaCorte (0-2) S: Greg Minton (12) | Fourth | 11½ out |
| Thursday, June 24 |
| » Defeated Astros (29-40), 4-3 | Astrodome (2-1) | 32-39 | Won 2 |
| » W: Atlee Hammaker (4-4) L: Joe Niekro (6-6) | Fourth | 10½ out |
| Friday, June 25 |
| » Lost to Padres (38-30), 3-2 | Candlestick Park (15-19) | 32-40 | |
| » W: Juan Eichelberger (6-8) L: Bill Laskey (6-5) S: Gary Lucas (10) | Fourth | 11½ out |
| Saturday, June 26 |
| » Lost to Padres (39-30), 7-6 | Candlestick Park (15-20) | 32-41 | Lost 2 |
| » W: Eric Show (6-3) L: Gary Lavelle (4-3) | Fourth | 11½ out |
| Sunday, June 27 |
| » Lost to Padres (40-30), 4-2 | Candlestick Park (15-21) | 32-42 | Lost 3 |
| » W: Tim Lollar (7-2) L: Rich Gale (2-8) S: Floyd Chiffer (3) | Fourth | 12½ out |
| Monday, June 28 |
| » Defeated Reds (31-42), 7-1 | Candlestick Park (16-21) | 33-42 | |
| » W: Renie Martin (3-4) L: Charlie Leibrandt (3-2) | Fourth | 11½ out |
| Tuesday, June 29 |
| » Defeated Reds (31-43), 3-0 | Candlestick Park (17-21) | 34-42 | Won 2 |
| » W: Atlee Hammaker (5-4) L: Bob Shirley (2-5) | Fourth | 11½ out |
| Wednesday, June 30 |
| » Defeated Reds (31-44), 7-6 | Candlestick Park (18-21) | 35-42 | Won 3 |
| » W: Greg Minton (4-4) L: Charlie Leibrandt (3-3) | Fourth | 11½ out |
| Friday, July 2 |
| » Defeated Padres (42-33), 8-4 | San Diego/Jack Murphy Stadium (1-3) | 36-42 | Won 4 |
| » W: Al Holland (3-3) L: Dave Dravecky (0-1) | Fourth | 12 out |
| » Lost to Padres (43-33), 3-2 | San Diego/Jack Murphy Stadium (1-4) | 36-43 | |
| » W: Tim Lollar (8-2) L: Gary Lavelle (4-4) S: Gary Lucas (11) | Fourth | 12 out |
| Saturday, July 3 |
| » Defeated Padres (43-34), 4-3 | San Diego/Jack Murphy Stadium (2-4) | 37-43 | |
| » W: Greg Minton (5-4) L: Floyd Chiffer (2-1) | Fourth | 12 out |
| Sunday, July 4 |
| » Lost to Padres (44-34), 4-3 | San Diego/Jack Murphy Stadium (2-5) | 37-44 | |
| » W: Dave Dravecky (1-1) L: Atlee Hammaker (5-5) | Fourth | 13 out |
| Monday, July 5 |
| » Defeated Phillies (44-35), 3-1 | Veteran's Stadium (1-4) | 38-44 | |
| » W: Bill Laskey (7-5) L: Dick Ruthven (6-7) | Fourth | 13 out |
| Tuesday, July 6 |
| » Lost to Phillies (45-35), 3-2 | Veteran's Stadium (1-5) | 38-45 | |
| » W: Sparky Lyle (3-2) L: Fred Breining (4-2) S: Tug McGraw (3) | Fourth | 13 out |
| Wednesday, July 7 |
| » Defeated Mets (38-44), 3-2 | Shea Stadium (3-2) | 39-45 | |
| » W: Rich Gale (3-8) L: Brent Gaff (0-1) S: Greg Minton (13) | Fourth | 13 out |
| » Major-league debuts: Brent Gaff (Mets) |
| Thursday, July 8 |
| » Defeated Mets (38-45), 9-7 | Shea Stadium (4-2) | 40-45 | Won 2 |
| » W: Renie Martin (4-4) L: Jesse Orosco (1-6) S: Greg Minton (14) | Fourth | 12 out |
| Friday, July 9 |
| » Defeated Expos (42-41), 3-2 | Stade Olympique (3-1) | 41-45 | Won 3 |
| » W: Atlee Hammaker (6-5) L: Steve Rogers (10-4) S: Greg Minton (15) | Fourth | 12 out |
| Saturday, July 10 |
| » Lost to Expos (43-41), 8-4 | Stade Olympique (3-2) | 41-46 | |
| » W: Bill Gullickson (6-8) L: Bill Laskey (7-6) S: Woodie Fryman (5) | Fourth | 12 out |
| Sunday, July 11 |
| » Defeated Expos (43-42), 8-7 | Stade Olympique (4-2) | 42-46 | |
| » W: Greg Minton (6-4) L: Jeff Reardon (3-1) | Fourth | 11 out |
| Former Giant Chet Nichols dies in Pawtucket, RI at the age of 86. |
| Thursday, July 15 |
| » Lost to Phillies (48-38), 2-1 | Candlestick Park (18-22) | 42-47 | |
| » W: Mike Krukow (9-6) L: Rich Gale (3-9) S: Tug McGraw (4) | Fourth | 12 out |
| Friday, July 16 |
| » Lost to Phillies (49-38), 1-0 | Candlestick Park (18-23) | 42-48 | Lost 2 |
| » W: Steve Carlton (12-7) L: Bill Laskey (7-7) | Fourth | 12 out |
| Saturday, July 17 |
| » Lost to Phillies (50-38), 5-3 | Candlestick Park (18-24) | 42-49 | Lost 3 |
| » W: Ron Reed (3-2) L: Fred Breining (4-3) S: Sid Monge (1) | Fourth | 13 out |
| Sunday, July 18 |
| » Defeated Phillies (50-39), 4-3 | Candlestick Park (19-24) | 43-49 | |
| » W: Atlee Hammaker (7-5) L: Larry Christenson (5-5) | Fourth | 13 out |
| Tuesday, July 20 |
| » Defeated Mets (42-50), 5-1 | Candlestick Park (20-24) | 44-49 | Won 2 |
| » W: Rich Gale (4-9) L: Charlie Puleo (7-7) S: Al Holland (1) | Fourth | 13½ out |
| Wednesday, July 21 |
| » Lost to Mets (43-50), 6-2 | Candlestick Park (20-25) | 44-50 | |
| » W: Pete Falcone (6-6) L: Bill Laskey (7-8) S: Jesse Orosco (1) | Fourth | 13½ out |
| Friday, July 23 |
| » Lost to Expos (49-44), 8-7 | Candlestick Park (20-26) | 44-51 | Lost 2 |
| » W: Ray Burris (4-11) L: Gary Lavelle (4-5) | Fourth | 13½ out |
| Saturday, July 24 |
| » Defeated Expos (49-45), 5-2 | Candlestick Park (21-26) | 45-51 | |
| » W: Atlee Hammaker (8-5) L: David Palmer (5-3) | Fourth | 13½ out |
| Sunday, July 25 |
| » Defeated Expos (49-46), 3-2 | Candlestick Park (22-26) | 46-51 | Won 2 |
| » W: Rich Gale (5-9) L: Scott Sanderson (6-9) S: Greg Minton (16) | Fourth | 12½ out |
| Monday, July 26 |
| » Defeated Dodgers (51-48), 6-1 | Candlestick Park (23-26) | 47-51 | Won 3 |
| » W: Bill Laskey (8-8) L: Fernando Valenzuela (13-8) | Fourth | 12 out |
| Tuesday, July 27 |
| » Lost to Dodgers (52-48), 7-3 | Candlestick Park (23-27) | 47-52 | |
| » W: Joe Beckwith (1-0) L: Renie Martin (4-5) | Fourth | 13½ out |
| Wednesday, July 28 |
| » Defeated Dodgers (52-49), 6-2 | Candlestick Park (24-27) | 48-52 | |
| » W: Fred Breining (5-3) L: Dave Stewart (5-6) S: Gary Lavelle (5) | Fourth | 13½ out |
| Thursday, July 29 |
| » Major-league debuts: Bryan Little (Expos) |
| Friday, July 30 |
| » Lost to Astros (45-54), 3-1 | Astrodome (2-2) | 48-53 | |
| » W: Don Sutton (10-7) L: Rich Gale (5-10) | Fourth | 13½ out |
| Saturday, July 31 |
| » Defeated Astros (45-55), 5-4 | Astrodome (3-2) | 49-53 | |
| » W: Bill Laskey (9-8) L: Vern Ruhle (5-7) S: Greg Minton (17) | Fourth | 13 out |
| » Lost to Astros (46-55), 5-0 | Astrodome (3-3) | 49-54 | |
| » W: Mike LaCoss (4-3) L: Atlee Hammaker (8-6) S: Frank LaCorte (4) | Fourth | 13 out |
| Sunday, August 1 |
| » Defeated Astros (46-56), 4-2 | Astrodome (4-3) | 50-54 | |
| » W: Greg Minton (7-4) L: Frank LaCorte (0-4) | Fourth | 12 out |
| Monday, August 2 |
| » Lost to Braves (62-41), 7-3 | Atlanta-Fulton County Stadium (2-3) | 50-55 | |
| » W: Bob Walk (10-7) L: Fred Breining (5-4) S: Steve Bedrosian (7) | Fourth | 13 out |
| Tuesday, August 3 |
| » Defeated Braves (62-42), 6-3 | Atlanta-Fulton County Stadium (3-3) | 51-55 | |
| » W: Greg Minton (8-4) L: Gene Garber (6-5) | Fourth | 12 out |
| Wednesday, August 4 |
| » Defeated Braves (62-43), 3-2 | Atlanta-Fulton County Stadium (4-3) | 52-55 | Won 2 |
| » W: Gary Lavelle (5-5) L: Steve Bedrosian (5-3) S: Greg Minton (18) | Fourth | 11 out |
| Thursday, August 5 |
| » Defeated Astros (48-58), 5-2 | Candlestick Park (25-27) | 53-55 | Won 3 |
| » W: Bill Laskey (10-8) L: Vern Ruhle (5-8) S: Greg Minton (19) | Fourth | 10 out |
| Friday, August 6 |
| » Defeated Astros (48-59), 7-6 | Candlestick Park (26-27) | 54-55 | Won 4 |
| » W: Gary Lavelle (6-5) L: Randy Moffitt (2-4) | Fourth | 9 out |
| Saturday, August 7 |
| » Defeated Astros (48-60), 9-2 | Candlestick Park (27-27) | 55-55 | Won 5 |
| » W: Renie Martin (5-5) L: Joe Niekro (11-8) | Fourth | 8 out |
| Sunday, August 8 |
| » Defeated Astros (48-61), 3-2 | Candlestick Park (28-27) | 56-55 | Won 6 |
| » W: Fred Breining (6-4) L: Bob Knepper (4-12) | Fourth | 6½ out |
| » Defeated Astros (48-62), 8-3 | Candlestick Park (29-27) | 57-55 | Won 7 |
| » W: Gary Lavelle (7-5) L: Mike LaCoss (4-4) | Fourth | 6½ out |
| Monday, August 9 |
| » Defeated Braves (62-48), 5-0 | Candlestick Park (30-27) | 58-55 | Won 8 |
| » W: Jim Barr (2-2) L: Pascual Perez (0-2) | Fourth | 5½ out |
| Tuesday, August 10 |
| » Defeated Braves (62-49), 3-2 | Candlestick Park (31-27) | 59-55 | Won 9 |
| » W: Bill Laskey (11-8) L: Al Hrabosky (2-1) | Fourth | 5 out |
| Wednesday, August 11 |
| » Defeated Braves (62-50), 8-6 | Candlestick Park (32-27) | 60-55 | Won 10 |
| » W: Fred Breining (7-4) L: Carlos Diaz (2-2) | Fourth | 4 out |
| Thursday, August 12 |
| » Lost to Dodgers (65-51), 6-2 | Dodger Stadium (0-3) | 60-56 | |
| » W: Tom Niedenfuer (2-2) L: Renie Martin (5-6) | Fourth | 5 out |
| Friday, August 13 |
| » Lost to Dodgers (66-51), 6-1 | Dodger Stadium (0-4) | 60-57 | Lost 2 |
| » W: Bob Welch (14-7) L: Rich Gale (5-11) | Fourth | 6 out |
| Saturday, August 14 |
| » Defeated Dodgers (66-52), 4-2 | Dodger Stadium (1-4) | 61-57 | |
| » W: Jim Barr (3-2) L: Dave Stewart (7-7) S: Greg Minton (20) | Fourth | 5 out |
| Sunday, August 15 |
| » Defeated Dodgers (66-53), 8-6 | Dodger Stadium (2-4) | 62-57 | Won 2 |
| » W: Bill Laskey (12-8) L: Fernando Valenzuela (15-9) S: Greg Minton (21) | Fourth | 4 out |
| Tuesday, August 17 |
| » Lost to Pirates (61-57), 4-1 | Three Rivers Stadium (2-2) | 62-58 | |
| » W: Rick Rhoden (7-11) L: Atlee Hammaker (8-7) | Fourth | 4½ out |
| Wednesday, August 18 |
| » Defeated Pirates (61-58), 16-9 | Three Rivers Stadium (3-2) | 63-58 | |
| » W: Alan Fowlkes (4-2) L: Don Robinson (13-7) | Fourth | 5 out |
| Thursday, August 19 |
| » Lost to Pirates (62-58), 6-1 | Three Rivers Stadium (3-3) | 63-59 | |
| » W: John Candelaria (10-5) L: Rich Gale (5-12) | Fourth | 5 out |
| Friday, August 20 |
| » Defeated Cardinals (69-52), 8-7 | Busch Stadium II (2-2) | 64-59 | |
| » W: Gary Lavelle (8-5) L: Bruce Sutter (8-6) S: Greg Minton (22) | Fourth | 5 out |
| Saturday, August 21 |
| » Lost to Cardinals (70-52), 7-6 | Busch Stadium II (2-3) | 64-60 | |
| » W: Dave LaPoint (7-3) L: Bill Laskey (12-9) S: Bruce Sutter (26) | Fourth | 5 out |
| Sunday, August 22 |
| » Lost to Cardinals (71-52), 5-4 | Busch Stadium II (2-4) | 64-61 | Lost 2 |
| » W: Jeff Lahti (4-2) L: Gary Lavelle (8-6) | Fourth | 5 out |
| Monday, August 23 |
| » Lost to Cubs (55-72), 8-5 | Wrigley Field (3-1) | 64-62 | Lost 3 |
| » W: Doug Bird (8-11) L: Renie Martin (5-7) S: Dick Tidrow (5) | Fourth | 5 out |
| Tuesday, August 24 |
| » Lost to Cubs (56-72), 8-4 | Wrigley Field (3-2) | 64-63 | Lost 4 |
| » W: Fergie Jenkins (9-13) L: Rich Gale (5-13) | Fourth | 6 out |
| Wednesday, August 25 |
| » Lost to Cubs (57-72), 4-2 | Wrigley Field (3-3) | 64-64 | Lost 5 |
| » W: Randy Martz (8-8) L: Jim Barr (3-3) S: Lee Smith (10) | Fourth | 7 out |
| Friday, August 27 |
| » Lost to Pirates (68-60), 3-2 | Candlestick Park (32-28) | 64-65 | Lost 6 |
| » W: Rick Rhoden (8-11) L: Bill Laskey (12-10) S: Rod Scurry (11) | Fourth | 8 out |
| Saturday, August 28 |
| » Defeated Pirates (68-61), 4-2 | Candlestick Park (33-28) | 65-65 | |
| » W: Atlee Hammaker (9-7) L: Don Robinson (14-8) S: Greg Minton (23) | Fourth | 8 out |
| Sunday, August 29 |
| » Lost to Pirates (69-61), 4-3 | Candlestick Park (33-29) | 65-66 | |
| » W: John Candelaria (12-5) L: Renie Martin (5-8) S: Rod Scurry (12) | Fourth | 8 out |
| Tuesday, August 31 |
| » Defeated Cubs (58-75), 4-3 | Candlestick Park (34-29) | 66-66 | |
| » W: Al Holland (4-3) L: Willie Hernandez (4-6) S: Greg Minton (24) | Fourth | 8 out |
| Wednesday, September 1 |
| » Lost to Cubs (59-75), 7-6 | Candlestick Park (34-30) | 66-67 | |
| » W: Bill Campbell (3-4) L: Rich Gale (5-14) S: Lee Smith (11) | Fourth | 9 out |
| Friday, September 3 |
| » Defeated Cardinals (76-57), 3-2 | Candlestick Park (35-30) | 67-67 | |
| » W: Greg Minton (9-4) L: Bruce Sutter (8-7) | Fourth | 9 out |
| Saturday, September 4 |
| » Defeated Cardinals (76-58), 5-4 | Candlestick Park (36-30) | 68-67 | Won 2 |
| » W: Gary Lavelle (9-6) L: Bruce Sutter (8-8) | Fourth | 8 out |
| » Major-league debuts: Brad Wellman (Giants) |
| Sunday, September 5 |
| » Defeated Cardinals (76-59), 5-1 | Candlestick Park (37-30) | 69-67 | Won 3 |
| » W: Fred Breining (8-4) L: John Stuper (6-5) | Fourth | 7 out |
| Monday, September 6 |
| » Defeated Braves (76-61), 8-2 | Atlanta-Fulton County Stadium (5-3) | 70-67 | Won 4 |
| » W: Al Holland (5-3) L: Donnie Moore (2-1) S: Greg Minton (25) | Fourth | 6 out |
| Tuesday, September 7 |
| » Defeated Braves (76-62), 3-2 | Atlanta-Fulton County Stadium (6-3) | 71-67 | Won 5 |
| » W: Jim Barr (4-3) L: Rick Camp (11-8) S: Greg Minton (26) | Fourth | 5½ out |
| Wednesday, September 8 |
| » Lost to Astros (65-74), 8-1 | Astrodome (4-4) | 71-68 | |
| » W: Joe Niekro (14-10) L: Atlee Hammaker (9-8) | Fourth | 6 out |
| Thursday, September 9 |
| » Defeated Astros (65-75), 5-1 | Astrodome (5-4) | 72-68 | |
| » W: Renie Martin (6-8) L: Mike LaCoss (4-6) S: Greg Minton (27) | Fourth | 6 out |
| Friday, September 10 |
| » Defeated Padres (74-68), 5-1 | San Diego/Jack Murphy Stadium (3-5) | 73-68 | Won 2 |
| » W: Fred Breining (9-4) L: Dave Dravecky (4-3) | Fourth | 6 out |
| Saturday, September 11 |
| » Defeated Padres (74-69), 8-3 | San Diego/Jack Murphy Stadium (4-5) | 74-68 | Won 3 |
| » W: Bill Laskey (13-10) L: Chris Welsh (8-6) S: Al Holland (2) | Third | 5 out |
| Monday, September 13 |
| » Lost to Reds (54-90), 5-4 | Candlestick Park (37-31) | 74-69 | |
| » W: Joe Price (3-3) L: Gary Lavelle (9-7) S: Charlie Leibrandt (2) | Third | 6 out |
| Tuesday, September 14 |
| » Defeated Reds (54-91), 2-1 | Candlestick Park (38-31) | 75-69 | |
| » W: Atlee Hammaker (10-8) L: Bruce Berenyi (8-17) S: Al Holland (3) | Third | 6 out |
| Wednesday, September 15 |
| » Defeated Reds (54-92), 5-4 | Candlestick Park (39-31) | 76-69 | Won 2 |
| » W: Rich Gale (6-14) L: Joe Price (3-4) S: Gary Lavelle (6) | Third | 6 out |
| Thursday, September 16 |
| » Defeated Padres (74-73), 9-3 | Candlestick Park (40-31) | 77-69 | Won 3 |
| » W: Fred Breining (10-4) L: Tim Lollar (14-9) S: Greg Minton (28) | Third | 5½ out |
| Friday, September 17 |
| » Lost to Padres (75-73), 4-2 | Candlestick Park (40-32) | 77-70 | |
| » W: Dave Dravecky (5-3) L: Bill Laskey (13-11) S: Gary Lucas (16) | Third | 6½ out |
| Saturday, September 18 |
| » Defeated Padres (75-74), 4-1 | Candlestick Park (41-32) | 78-70 | |
| » W: Rich Gale (7-14) L: Juan Eichelberger (7-13) S: Gary Lavelle (7) | Third | 5½ out |
| Sunday, September 19 |
| » Defeated Padres (75-75), 4-3 | Candlestick Park (42-32) | 79-70 | Won 2 |
| » W: Al Holland (6-3) L: Luis DeLeon (7-5) | Third | 5½ out |
| Tuesday, September 21 |
| » Lost to Reds (56-94), 6-5 | Riverfront Stadium (3-4) | 79-71 | |
| » W: Bob Shirley (7-12) L: Fred Breining (10-5) S: Ben Hayes (1) | Third | 5½ out |
| Wednesday, September 22 |
| » Defeated Reds (56-95), 2-0 | Riverfront Stadium (4-4) | 80-71 | |
| » W: Renie Martin (7-8) L: Mario Soto (13-12) S: Al Holland (4) | Third | 4½ out |
| Thursday, September 23 |
| » Defeated Reds (56-96), 11-7 | Riverfront Stadium (5-4) | 81-71 | Won 2 |
| » W: Atlee Hammaker (11-8) L: Frank Pastore (8-12) | Third | 4 out |
| Friday, September 24 |
| » Defeated Dodgers (85-68), 3-2 | Dodger Stadium (3-4) | 82-71 | Won 3 |
| » W: Al Holland (7-3) L: Steve Howe (7-5) S: Greg Minton (29) | Third | 3 out |
| Saturday, September 25 |
| » Defeated Dodgers (85-69), 5-4 | Dodger Stadium (4-4) | 83-71 | Won 4 |
| » W: Andy McGaffigan (1-0) L: Fernando Valenzuela (19-13) S: Greg Minton (30) | Third | 2 out |
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