| Tuesday, February 26 |
| Future Expo Gary Majewski is born in Houston, TX. |
| Friday, April 11 |
| » Lost to Phillies (1-0), 6-3 | Veteran's Stadium (0-1) | 0-1 | |
| » W: Steve Carlton (1-0) L: Steve Rogers (0-1) | Third | 1 out |
| Saturday, April 12 |
| » Lost to Phillies (2-0), 6-2 | Veteran's Stadium (0-2) | 0-2 | Lost 2 |
| » W: Dick Ruthven (1-0) L: Bill Lee (0-1) S: Tug McGraw (1) | Fourth | 2 out |
| Sunday, April 13 |
| » Defeated Phillies (2-1), 5-4 | Veteran's Stadium (1-2) | 1-2 | |
| » W: Elias Sosa (1-0) L: Lerrin LaGrow (0-1) | Fourth | 1½ out |
| » Major-league debuts: George Vukovich (Phillies) |
| Tuesday, April 15 |
| » Defeated Mets (2-3), 7-3 | Shea Stadium (1-0) | 2-2 | Won 2 |
| » W: Steve Rogers (1-1) L: Craig Swan (1-1) S: Fred Norman (1) | Second | 1½ out |
| Wednesday, April 16 |
| » Lost to Mets (3-3), 3-2 | Shea Stadium (1-1) | 2-3 | |
| » W: Ray Burris (1-1) L: Bill Lee (0-2) S: Neil Allen (3) | Fourth | 2 out |
| Friday, April 18 |
| » Defeated Phillies (3-3), 7-5 | Stade Olympique (1-0) | 3-3 | |
| » W: Scott Sanderson (1-0) L: Dick Ruthven (1-1) S: Woodie Fryman (1) | Second | 1½ out |
| Saturday, April 19 |
| » Lost to Phillies (4-3), 13-4 | Stade Olympique (1-1) | 3-4 | |
| » W: Larry Christenson (1-0) L: Steve Rogers (1-2) S: Dickie Noles (1) | Fourth | 1½ out |
| » Major-league debuts: Luis Aguayo (Phillies) |
| Sunday, April 20 |
| » Defeated Phillies (4-4), 7-6 | Stade Olympique (2-1) | 4-4 | |
| » W: Elias Sosa (2-0) L: Tug McGraw (0-1) | Third | 1½ out |
| Monday, April 21 |
| » Lost to Pirates (7-3), 7-1 | Stade Olympique (2-2) | 4-5 | |
| » W: John Candelaria (1-1) L: Ross Grimsley (0-1) | Third | 2½ out |
| Tuesday, April 22 |
| » Lost to Pirates (8-3), 5-3 | Stade Olympique (2-3) | 4-6 | Lost 2 |
| » W: Jim Bibby (2-0) L: Scott Sanderson (1-1) S: Kent Tekulve (3) | Fourth | 3½ out |
| Wednesday, April 23 |
| » Defeated Pirates (8-4), 3-2 | Stade Olympique (3-3) | 5-6 | |
| » W: Steve Rogers (2-2) L: Bert Blyleven (0-2) | Third | 2½ out |
| Friday, April 25 |
| » Lost to Braves (5-9), 8-7 | Atlanta-Fulton County Stadium (0-1) | 5-7 | |
| » W: Larry Bradford (1-1) L: Stan Bahnsen (0-1) | Fourth | 2½ out |
| Saturday, April 26 |
| » Defeated Braves (5-10), 4-3 | Atlanta-Fulton County Stadium (1-1) | 6-7 | |
| » W: Ross Grimsley (1-1) L: Phil Niekro (0-4) S: Woodie Fryman (2) | Third | 2½ out |
| Sunday, April 27 |
| » Lost to Braves (6-10), 6-3 | Atlanta-Fulton County Stadium (1-2) | 6-8 | |
| » W: Larry McWilliams (1-2) L: Scott Sanderson (1-2) S: Al Hrabosky (2) | Fourth | 3 out |
| Tuesday, April 29 |
| » Lost to Pirates (10-5), 5-4 | Three Rivers Stadium (0-1) | 6-9 | Lost 2 |
| » W: Eddie Solomon (1-0) L: Elias Sosa (2-1) | Fifth | 4 out |
| Wednesday, April 30 |
| » Lost to Pirates (11-5), 5-0 | Three Rivers Stadium (0-2) | 6-10 | Lost 3 |
| » W: Jim Bibby (3-0) L: Bill Lee (0-3) | Fifth | 5 out |
| Thursday, May 1 |
| » Lost to Pirates (12-5), 2-1 | Three Rivers Stadium (0-3) | 6-11 | Lost 4 |
| » W: Kent Tekulve (2-0) L: Woodie Fryman (0-1) | Fifth | 6 out |
| Friday, May 2 |
| » Defeated Giants (6-15), 4-3 | Stade Olympique (4-3) | 7-11 | |
| » W: Stan Bahnsen (1-1) L: Gary Lavelle (0-4) | Fifth | 5 out |
| Saturday, May 3 |
| » Lost to Giants (7-15), 3-2 | Stade Olympique (4-4) | 7-12 | |
| » W: Randy Moffitt (1-0) L: Elias Sosa (2-2) S: Al Holland (1) | Fifth | 5 out |
| Sunday, May 4 |
| » Lost to Giants (8-15), 8-4 | Stade Olympique (4-5) | 7-13 | Lost 2 |
| » W: John Montefusco (2-3) L: Steve Rogers (2-3) S: Greg Minton (1) | Fifth | 5½ out |
| » Defeated Giants (8-16), 6-4 | Stade Olympique (5-5) | 8-13 | |
| » W: Stan Bahnsen (2-1) L: Randy Moffitt (1-1) S: Elias Sosa (1) | Fifth | 5½ out |
| Monday, May 5 |
| » Defeated Astros (16-7), 10-1 | Stade Olympique (6-5) | 9-13 | Won 2 |
| » W: David Palmer (1-0) L: J.R. Richard (4-1) | Fifth | 5 out |
| Future Expo Chad Bentz is born in Seward, AK. |
| Tuesday, May 6 |
| » Lost to Astros (17-7), 8-4 | Stade Olympique (6-6) | 9-14 | |
| » W: Joe Niekro (4-1) L: Ross Grimsley (1-2) | Fifth | 6 out |
| Wednesday, May 7 |
| » Defeated Astros (17-8), 3-0 | Stade Olympique (7-6) | 10-14 | |
| » W: Scott Sanderson (2-2) L: Nolan Ryan (1-2) S: Woodie Fryman (3) | Fifth | 6 out |
| Friday, May 9 |
| » Lost to Mets (9-16), 2-1 | Stade Olympique (7-7) | 10-15 | |
| » W: Craig Swan (2-2) L: Steve Rogers (2-4) | Fifth | 7 out |
| Saturday, May 10 |
| » Defeated Mets (9-17), 5-3 | Stade Olympique (8-7) | 11-15 | |
| » W: Bill Lee (1-3) L: Kevin Kobel (0-3) S: Elias Sosa (2) | Fifth | 7 out |
| Sunday, May 11 |
| Future Expo Roy Corcoran is born in Baton Rouge, LA. |
| Tuesday, May 13 |
| » Defeated Astros (18-11), 3-2 | Astrodome (1-0) | 12-15 | Won 2 |
| » W: David Palmer (2-0) L: Nolan Ryan (1-3) S: Woodie Fryman (4) | Fifth | 5½ out |
| Wednesday, May 14 |
| » Defeated Astros (18-12), 1-0 | Astrodome (2-0) | 13-15 | Won 3 |
| » W: Scott Sanderson (3-2) L: Ken Forsch (4-2) S: Woodie Fryman (5) | Fifth | 5½ out |
| Friday, May 16 |
| » Defeated Reds (20-13), 2-1 | Stade Olympique (9-7) | 14-15 | Won 4 |
| » W: Steve Rogers (3-4) L: Tom Seaver (2-2) S: Woodie Fryman (6) | Third | 5 out |
| Saturday, May 17 |
| » Defeated Reds (20-14), 9-6 | Stade Olympique (10-7) | 15-15 | Won 5 |
| » W: Stan Bahnsen (3-1) L: Tom Hume (3-3) S: Elias Sosa (3) | Third | 4 out |
| Monday, May 19 |
| » Defeated Braves (12-20), 11-8 | Stade Olympique (11-7) | 16-15 | Won 6 |
| » W: David Palmer (3-0) L: Larry McWilliams (2-4) S: Woodie Fryman (7) | Third | 3 out |
| Tuesday, May 20 |
| » Lost to Braves (13-20), 1-0 | Stade Olympique (11-8) | 16-16 | |
| » W: Phil Niekro (3-5) L: Scott Sanderson (3-3) | Third | 3½ out |
| Wednesday, May 21 |
| » Defeated Braves (13-21), 3-2 | Stade Olympique (12-8) | 17-16 | |
| » W: Steve Rogers (4-4) L: Gene Garber (1-4) | Third | 4 out |
| Thursday, May 22 |
| » Major-league debuts: Joe Lefebvre (Yankees) |
| Friday, May 23 |
| » Defeated Reds (21-17), 7-4 | Riverfront Stadium (1-0) | 18-16 | Won 2 |
| » W: Bill Lee (2-3) L: Mike LaCoss (3-4) | Third | 3½ out |
| Saturday, May 24 |
| » Lost to Reds (22-17), 2-0 | Riverfront Stadium (1-1) | 18-17 | |
| » W: Frank Pastore (5-2) L: David Palmer (3-1) | Third | 3½ out |
| Sunday, May 25 |
| » Defeated Reds (22-18), 7-4 | Riverfront Stadium (2-1) | 19-17 | |
| » W: Scott Sanderson (4-3) L: Charlie Leibrandt (3-3) S: Stan Bahnsen (1) | Third | 2½ out |
| Monday, May 26 |
| » Defeated Cubs (17-20), 4-0 | Wrigley Field (1-0) | 20-17 | Won 2 |
| » W: Steve Rogers (5-4) L: Willie Hernandez (1-3) | Third | 1½ out |
| Tuesday, May 27 |
| » Lost to Cubs (18-20), 4-2 | Wrigley Field (1-1) | 20-18 | |
| » W: Dennis Lamp (4-4) L: Bill Lee (2-4) S: Dick Tidrow (2) | Third | 2½ out |
| Friday, May 30 |
| » Defeated Cardinals (15-28), 10-4 | Busch Stadium II (1-0) | 21-18 | |
| » W: Scott Sanderson (5-3) L: Jim Kaat (0-4) | Third | 1½ out |
| Saturday, May 31 |
| » Lost to Cardinals (16-28), 8-6 | Busch Stadium II (1-1) | 21-19 | |
| » W: Bob Forsch (4-3) L: Steve Rogers (5-5) S: Pete Vuckovich (1) | Third | 2½ out |
| Sunday, June 1 |
| » Defeated Cardinals (16-29), 7-6 | Busch Stadium II (2-1) | 22-19 | |
| » W: Stan Bahnsen (4-1) L: George Frazier (0-2) S: Fred Norman (2) | Third | 2½ out |
| Monday, June 2 |
| » Defeated Cubs (20-22), 8-7 | Stade Olympique (13-8) | 23-19 | Won 2 |
| » W: Woodie Fryman (1-1) L: Lynn McGlothen (2-1) | Second | 2½ out |
| Tuesday, June 3 |
| » Lost to Cubs (21-22), 5-2 | Stade Olympique (13-9) | 23-20 | |
| » W: Rick Reuschel (5-4) L: Ross Grimsley (1-3) | Second | 3½ out |
| Wednesday, June 4 |
| » Defeated Cubs (21-23), 8-1 | Stade Olympique (14-9) | 24-20 | |
| » W: Steve Rogers (6-5) L: Lynn McGlothen (2-2) | Second | 2½ out |
| Thursday, June 5 |
| » Defeated Cubs (21-24), 2-0 | Stade Olympique (15-9) | 25-20 | Won 2 |
| » W: Scott Sanderson (6-3) L: Dennis Lamp (4-5) | Second | 2 out |
| Friday, June 6 |
| » Defeated Cardinals (18-31), 7-2 | Stade Olympique (16-9) | 26-20 | Won 3 |
| » W: Bill Lee (3-4) L: Bob Forsch (4-4) | Second | 1 out |
| Saturday, June 7 |
| » Defeated Cardinals (18-32), 2-1 | Stade Olympique (17-9) | 27-20 | Won 4 |
| » W: Elias Sosa (3-2) L: Jim Otten (0-1) | First | -- |
| Sunday, June 8 |
| » Defeated Cardinals (18-33), 6-4 | Stade Olympique (18-9) | 28-20 | Won 5 |
| » W: Steve Rogers (7-5) L: John Fulgham (2-3) S: Woodie Fryman (8) | First | -- |
| » Defeated Cardinals (18-34), 9-4 | Stade Olympique (19-9) | 29-20 | Won 6 |
| » W: Ross Grimsley (2-3) L: Roy Thomas (1-3) | First | -- |
| » Major-league debuts: Brad Mills (Expos) John Littlefield (Cardinals) |
| Tuesday, June 10 |
| » Defeated Padres (25-30), 8-4 | Stade Olympique (20-9) | 30-20 | Won 7 |
| » W: Stan Bahnsen (5-1) L: Eric Rasmussen (1-6) S: Elias Sosa (4) | First | -- |
| Wednesday, June 11 |
| » Defeated Padres (25-31), 7-6 | Stade Olympique (21-9) | 31-20 | Won 8 |
| » W: Elias Sosa (4-2) L: Bob Shirley (5-2) | First | -- |
| Thursday, June 12 |
| » Defeated Padres (25-32), 9-1 | Stade Olympique (22-9) | 32-20 | Won 9 |
| » W: Charlie Lea (1-0) L: Gary Lucas (3-3) | First | -- |
| » Major-league debuts: Charlie Lea (Expos) |
| Friday, June 13 |
| » Defeated Dodgers (32-25), 4-3 | Stade Olympique (23-9) | 33-20 | Won 10 |
| » W: Steve Rogers (8-5) L: Steve Howe (1-3) | First | -- |
| Saturday, June 14 |
| » Lost to Dodgers (33-25), 8-0 | Stade Olympique (23-10) | 33-21 | |
| » W: Burt Hooton (6-3) L: Ross Grimsley (2-4) | First | -- |
| Sunday, June 15 |
| » Lost to Dodgers (34-25), 1-0 | Stade Olympique (23-11) | 33-22 | Lost 2 |
| » W: Bob Welch (7-2) L: Bill Gullickson (0-1) | First | -- |
| Monday, June 16 |
| » Lost to Giants (26-34), 5-1 | Candlestick Park (0-1) | 33-23 | Lost 3 |
| » W: Ed Whitson (4-7) L: Charlie Lea (1-1) | First | -- |
| Tuesday, June 17 |
| » Defeated Giants (26-35), 2-1 | Candlestick Park (1-1) | 34-23 | |
| » W: David Palmer (4-1) L: Vida Blue (9-3) S: Woodie Fryman (9) | First | -- |
| Wednesday, June 18 |
| » Lost to Dodgers (35-27), 8-7 | Dodger Stadium (0-1) | 34-24 | |
| » W: Charlie Hough (1-3) L: Elias Sosa (4-3) S: Steve Howe (7) | First | -- |
| Thursday, June 19 |
| » Lost to Dodgers (36-27), 5-3 | Dodger Stadium (0-2) | 34-25 | Lost 2 |
| » W: Bobby Castillo (2-3) L: Woodie Fryman (1-2) | First | -- |
| Friday, June 20 |
| » Lost to Padres (29-36), 4-2 | San Diego/Jack Murphy Stadium (0-1) | 34-26 | Lost 3 |
| » W: Steve Mura (1-2) L: Scott Sanderson (6-4) S: Bob Shirley (6) | First | -- |
| Saturday, June 21 |
| » Defeated Padres (29-37), 7-4 | San Diego/Jack Murphy Stadium (1-1) | 35-26 | |
| » W: Charlie Lea (2-1) L: John Curtis (3-5) S: Elias Sosa (5) | First | -- |
| Sunday, June 22 |
| » Defeated Padres (29-38), 2-0 | San Diego/Jack Murphy Stadium (2-1) | 36-26 | Won 2 |
| » W: Steve Rogers (9-5) L: Gary Lucas (3-4) | First | -- |
| Tuesday, June 24 |
| » Defeated Phillies (34-28), 7-6 | Veteran's Stadium (2-2) | 37-26 | Won 3 |
| » W: Elias Sosa (5-3) L: Tug McGraw (0-3) | First | -- |
| Wednesday, June 25 |
| » Lost to Phillies (35-28), 2-1 | Veteran's Stadium (2-3) | 37-27 | |
| » W: Ron Reed (6-1) L: Stan Bahnsen (5-2) | First | -- |
| Thursday, June 26 |
| » Defeated Phillies (35-29), 1-0 | Veteran's Stadium (3-3) | 38-27 | |
| » W: Scott Sanderson (7-4) L: Randy Lerch (2-10) | First | -- |
| Friday, June 27 |
| » Lost to Pirates (36-33), 6-4 | Stade Olympique (23-12) | 38-28 | |
| » W: Enrique Romo (4-3) L: Steve Rogers (9-6) S: Don Robinson (1) | First | -- |
| Saturday, June 28 |
| » Lost to Pirates (37-33), 4-3 | Stade Olympique (23-13) | 38-29 | Lost 2 |
| » W: Jim Bibby (9-1) L: Charlie Lea (2-2) S: Enrique Romo (4) | First | -- |
| Sunday, June 29 |
| » Defeated Pirates (37-34), 4-1 | Stade Olympique (24-13) | 39-29 | |
| » W: David Palmer (5-1) L: Eddie Solomon (4-2) S: Fred Norman (3) | First | -- |
| Monday, June 30 |
| » Lost to Phillies (37-32), 7-5 | Stade Olympique (24-14) | 39-30 | |
| » W: Dickie Noles (1-3) L: Bill Gullickson (0-2) S: Ron Reed (4) | First | -- |
| Tuesday, July 1 |
| » Lost to Phillies (38-32), 5-4 | Stade Olympique (24-15) | 39-31 | Lost 2 |
| » W: Randy Lerch (3-10) L: Woodie Fryman (1-3) S: Lerrin LaGrow (3) | First | -- |
| Wednesday, July 2 |
| » Defeated Phillies (38-33), 6-1 | Stade Olympique (25-15) | 40-31 | |
| » W: Steve Rogers (10-6) L: Steve Carlton (13-4) | First | -- |
| Thursday, July 3 |
| » Lost to Mets (36-38), 7-2 | Shea Stadium (1-2) | 40-32 | |
| » W: Tom Hausman (4-2) L: Charlie Lea (2-3) | First | -- |
| Friday, July 4 |
| » Lost to Mets (37-38), 9-5 | Shea Stadium (1-3) | 40-33 | Lost 2 |
| » W: Ed Glynn (3-1) L: David Palmer (5-2) S: Jeff Reardon (3) | First | -- |
| » Defeated Mets (37-39), 6-5 | Shea Stadium (2-3) | 41-33 | |
| » W: Woodie Fryman (2-3) L: Mark Bomback (5-2) S: Elias Sosa (6) | First | -- |
| Saturday, July 5 |
| » Lost to Mets (38-39), 7-5 | Shea Stadium (2-4) | 41-34 | |
| » W: Pete Falcone (4-5) L: Scott Sanderson (7-5) S: Neil Allen (15) | First | -- |
| Sunday, July 6 |
| » Defeated Mets (38-40), 9-4 | Shea Stadium (3-4) | 42-34 | |
| » W: Woodie Fryman (3-3) L: Jeff Reardon (4-4) | First | -- |
| Thursday, July 10 |
| » Defeated Cardinals (34-47), 4-3 | Stade Olympique (26-15) | 43-34 | Won 2 |
| » W: David Palmer (6-2) L: John Littlefield (3-2) S: Woodie Fryman (10) | First | -- |
| Friday, July 11 |
| » Lost to Cardinals (35-47), 5-3 | Stade Olympique (26-16) | 43-35 | |
| » W: Silvio Martinez (2-3) L: Woodie Fryman (3-4) S: John Littlefield (3) | First | -- |
| Saturday, July 12 |
| » Defeated Cubs (33-46), 10-2 | Stade Olympique (27-16) | 44-35 | |
| » W: Scott Sanderson (8-5) L: Rick Reuschel (5-9) | Second | ½ out |
| » Lost to Cubs (34-46), 8-6 | Stade Olympique (27-17) | 44-36 | |
| » W: Dick Tidrow (3-1) L: Stan Bahnsen (5-3) S: Bruce Sutter (20) | Second | ½ out |
| Sunday, July 13 |
| » Defeated Cubs (34-47), 2-1 | Stade Olympique (28-17) | 45-36 | |
| » W: Stan Bahnsen (6-3) L: Doug Capilla (2-1) | First | -- |
| Monday, July 14 |
| » Major-league debuts: Alan Hargesheimer (Giants) |
| Tuesday, July 15 |
| » Lost to Reds (44-42), 11-7 | Riverfront Stadium (2-2) | 45-37 | |
| » W: Paul Moskau (7-2) L: David Palmer (6-3) | First | -- |
| Wednesday, July 16 |
| » Defeated Reds (44-43), 6-4 | Riverfront Stadium (3-2) | 46-37 | |
| » W: Steve Rogers (11-6) L: Mario Soto (2-4) S: Stan Bahnsen (2) | First | -- |
| Thursday, July 17 |
| » Defeated Reds (44-44), 6-1 | Riverfront Stadium (4-2) | 47-37 | Won 2 |
| » W: Scott Sanderson (9-5) L: Mike LaCoss (5-9) | First | -- |
| Friday, July 18 |
| » Defeated Astros (49-39), 5-4 | Astrodome (3-0) | 48-37 | Won 3 |
| » W: Woodie Fryman (4-4) L: Dave Smith (1-3) S: Fred Norman (4) | First | -- |
| Saturday, July 19 |
| » Lost to Astros (50-39), 4-2 | Astrodome (3-1) | 48-38 | |
| » W: Joaquin Andujar (1-4) L: Charlie Lea (2-4) S: Dave Smith (3) | First | -- |
| » Defeated Astros (50-40), 5-2 | Astrodome (4-1) | 49-38 | |
| » W: Bill Gullickson (1-2) L: Gordie Pladson (0-2) | First | -- |
| Sunday, July 20 |
| » Lost to Astros (51-40), 4-3 | Astrodome (4-2) | 49-39 | |
| » W: Joe Sambito (5-1) L: Fred Norman (0-1) | Second | 1½ out |
| Monday, July 21 |
| » Defeated Braves (42-49), 8-6 | Atlanta-Fulton County Stadium (2-2) | 50-39 | |
| » W: Scott Sanderson (10-5) L: Rick Matula (6-8) S: Elias Sosa (7) | First | -- |
| Tuesday, July 22 |
| » Lost to Braves (43-49), 7-5 | Atlanta-Fulton County Stadium (2-3) | 50-40 | |
| » W: Phil Niekro (8-12) L: Stan Bahnsen (6-4) S: Rick Camp (5) | Second | 1 out |
| Wednesday, July 23 |
| » Lost to Braves (44-49), 6-5 | Atlanta-Fulton County Stadium (2-4) | 50-41 | Lost 2 |
| » W: Rick Camp (3-3) L: Bill Gullickson (1-3) | Second | 1 out |
| Friday, July 25 |
| » Lost to Astros (54-41), 9-8 | Stade Olympique (28-18) | 50-42 | Lost 3 |
| » W: Frank LaCorte (7-1) L: Elias Sosa (5-4) | Second | 2½ out |
| Saturday, July 26 |
| » Defeated Astros (54-42), 2-1 | Stade Olympique (29-18) | 51-42 | |
| » W: Stan Bahnsen (7-4) L: Frank LaCorte (7-2) | Second | 1½ out |
| Sunday, July 27 |
| » Lost to Astros (55-42), 6-3 | Stade Olympique (29-19) | 51-43 | |
| » W: Joe Niekro (11-8) L: Bill Lee (3-5) S: Dave Smith (5) | Second | 2½ out |
| Monday, July 28 |
| » Lost to Reds (53-46), 3-2 | Stade Olympique (29-20) | 51-44 | Lost 2 |
| » W: Doug Bair (1-4) L: Charlie Lea (2-5) S: Tom Hume (18) | Second | 3 out |
| » Defeated Reds (53-47), 5-4 | Stade Olympique (30-20) | 52-44 | |
| » W: Fred Norman (1-1) L: Mario Soto (4-5) S: Woodie Fryman (11) | Second | 3 out |
| Tuesday, July 29 |
| » Defeated Reds (53-48), 4-1 | Stade Olympique (31-20) | 53-44 | Won 2 |
| » W: Bill Gullickson (2-3) L: Bruce Berenyi (2-1) | Second | 2 out |
| Wednesday, July 30 |
| » Defeated Reds (53-49), 2-1 | Stade Olympique (32-20) | 54-44 | Won 3 |
| » W: Woodie Fryman (5-4) L: Doug Bair (1-5) | Second | 1 out |
| Friday, August 1 |
| » Defeated Braves (46-55), 4-1 | Stade Olympique (33-20) | 55-44 | Won 4 |
| » W: Scott Sanderson (11-5) L: Phil Niekro (8-14) | First | -- |
| Saturday, August 2 |
| » Defeated Braves (46-56), 5-1 | Stade Olympique (34-20) | 56-44 | Won 5 |
| » W: Fred Norman (2-1) L: Doyle Alexander (9-6) | First | -- |
| Sunday, August 3 |
| » Defeated Braves (46-57), 6-5 | Stade Olympique (35-20) | 57-44 | Won 6 |
| » W: Charlie Lea (3-5) L: Larry McWilliams (7-8) S: Elias Sosa (8) | First | -- |
| Monday, August 4 |
| » Defeated Mets (50-53), 4-3 | Stade Olympique (36-20) | 58-44 | Won 7 |
| » W: Elias Sosa (6-4) L: Neil Allen (5-7) | First | -- |
| » Lost to Mets (51-53), 4-3 | Stade Olympique (36-21) | 58-45 | |
| » W: Mark Bomback (8-3) L: Bill Lee (3-6) S: Neil Allen (18) | First | -- |
| Tuesday, August 5 |
| » Defeated Mets (51-54), 11-5 | Stade Olympique (37-21) | 59-45 | |
| » W: Bill Gullickson (3-3) L: John Pacella (3-2) | First | -- |
| Wednesday, August 6 |
| » Defeated Mets (51-55), 4-1 | Stade Olympique (38-21) | 60-45 | Won 2 |
| » W: Scott Sanderson (12-5) L: Roy Lee Jackson (1-2) S: Elias Sosa (9) | First | -- |
| Thursday, August 7 |
| » Lost to Mets (52-55), 7-1 | Stade Olympique (38-22) | 60-46 | |
| » W: Ray Burris (5-6) L: Fred Norman (2-2) | First | -- |
| Friday, August 8 |
| » Defeated Cubs (43-62), 5-2 | Wrigley Field (2-1) | 61-46 | |
| » W: Charlie Lea (4-5) L: Mike Krukow (7-11) S: Woodie Fryman (12) | First | -- |
| » Lost to Cubs (44-62), 8-4 | Wrigley Field (2-2) | 61-47 | |
| » W: Dennis Lamp (10-8) L: Dale Murray (0-1) | First | -- |
| Saturday, August 9 |
| » Lost to Cubs (45-62), 3-1 | Wrigley Field (2-3) | 61-48 | Lost 2 |
| » W: Rick Reuschel (9-9) L: Steve Rogers (11-7) S: Bruce Sutter (24) | First | -- |
| » Defeated Cubs (45-63), 4-3 | Wrigley Field (3-3) | 62-48 | |
| » W: Elias Sosa (7-4) L: Bruce Sutter (3-7) | First | -- |
| Sunday, August 10 |
| » Defeated Cubs (45-64), 7-3 | Wrigley Field (4-3) | 63-48 | Won 2 |
| » W: Bill Gullickson (4-3) L: Dennis Lamp (10-9) | First | -- |
| Monday, August 11 |
| » Lost to Cardinals (49-60), 16-0 | Busch Stadium II (2-2) | 63-49 | |
| » W: Bob Sykes (6-8) L: Scott Sanderson (12-6) | Second | 1 out |
| Tuesday, August 12 |
| » Defeated Cardinals (49-61), 4-0 | Busch Stadium II (3-2) | 64-49 | |
| » W: Fred Norman (3-2) L: John Fulgham (3-5) S: Woodie Fryman (13) | First | -- |
| Wednesday, August 13 |
| » Lost to Cardinals (50-61), 7-5 | Busch Stadium II (3-3) | 64-50 | |
| » W: Bob Forsch (8-7) L: Hal Dues (0-1) S: Jim Kaat (4) | First | -- |
| Friday, August 15 |
| » Lost to Pirates (65-50), 7-3 | Three Rivers Stadium (0-4) | 64-51 | Lost 2 |
| » W: Jim Bibby (15-2) L: Steve Rogers (11-8) S: Kent Tekulve (18) | Second | 1 out |
| Saturday, August 16 |
| » Lost to Pirates (66-50), 5-0 | Three Rivers Stadium (0-5) | 64-52 | Lost 3 |
| » W: Bert Blyleven (7-8) L: Scott Sanderson (12-7) | Second | 2 out |
| Sunday, August 17 |
| » Lost to Pirates (67-50), 5-1 | Three Rivers Stadium (0-6) | 64-53 | Lost 4 |
| » W: Rick Rhoden (3-3) L: Fred Norman (3-3) | Second | 2 out |
| » Defeated Pirates (67-51), 4-2 | Three Rivers Stadium (1-6) | 65-53 | |
| » W: Bill Gullickson (5-3) L: Don Robinson (4-6) S: Woodie Fryman (14) | Second | 2 out |
| Tuesday, August 19 |
| » Lost to Dodgers (63-55), 3-2 | Stade Olympique (38-23) | 65-54 | |
| » W: Don Stanhouse (1-2) L: Elias Sosa (7-5) | Second | 2 out |
| Wednesday, August 20 |
| » Lost to Dodgers (64-55), 5-1 | Stade Olympique (38-24) | 65-55 | Lost 2 |
| » W: Jerry Reuss (15-4) L: Steve Rogers (11-9) | Second | 2 out |
| Thursday, August 21 |
| » Lost to Dodgers (65-55), 5-4 | Stade Olympique (38-25) | 65-56 | Lost 3 |
| » W: Steve Howe (6-5) L: Stan Bahnsen (7-5) | Third | 2 out |
| Friday, August 22 |
| » Defeated Padres (51-72), 6-2 | Stade Olympique (39-25) | 66-56 | |
| » W: Fred Norman (4-3) L: Randy Jones (5-13) | Second | 2 out |
| Saturday, August 23 |
| » Defeated Padres (51-73), 2-0 | Stade Olympique (40-25) | 67-56 | Won 2 |
| » W: Bill Gullickson (6-3) L: Steve Mura (4-6) S: John D'Acquisto (2) | Second | 2 out |
| Sunday, August 24 |
| » Defeated Padres (51-74), 12-9 | Stade Olympique (41-25) | 68-56 | Won 3 |
| » W: Elias Sosa (8-5) L: Rollie Fingers (9-8) S: John D'Acquisto (3) | Second | 2 out |
| Monday, August 25 |
| » Defeated Giants (62-63), 3-1 | Stade Olympique (42-25) | 69-56 | Won 4 |
| » W: Steve Rogers (12-9) L: Alan Hargesheimer (4-3) | Second | 1 out |
| Tuesday, August 26 |
| Future Expo Brendan Harris is born in Albany, NY. |
| Wednesday, August 27 |
| » Lost to Giants (63-63), 1-0 | Stade Olympique (42-26) | 69-57 | |
| » W: Ed Whitson (9-9) L: Scott Sanderson (12-8) S: Greg Minton (16) | Second | ½ out |
| Friday, August 29 |
| » Lost to Dodgers (70-57), 5-4 | Dodger Stadium (0-3) | 69-58 | Lost 2 |
| » W: Bobby Castillo (5-6) L: John D'Acquisto (2-4) S: Steve Howe (12) | Second | 1 out |
| Saturday, August 30 |
| » Lost to Dodgers (71-57), 4-3 | Dodger Stadium (0-4) | 69-59 | Lost 3 |
| » W: Burt Hooton (12-5) L: Bill Gullickson (6-4) S: Don Stanhouse (3) | First | -- |
| Sunday, August 31 |
| » Lost to Dodgers (72-57), 2-0 | Dodger Stadium (0-5) | 69-60 | Lost 4 |
| » W: Jerry Reuss (16-4) L: Steve Rogers (12-10) | Second | ½ out |
| » Lost to Dodgers (73-57), 7-2 | Dodger Stadium (0-6) | 69-61 | Lost 5 |
| » W: Don Sutton (9-4) L: David Palmer (6-4) | Second | ½ out |
| Monday, September 1 |
| » Defeated Padres (55-77), 5-3 | San Diego/Jack Murphy Stadium (3-1) | 70-61 | |
| » W: Scott Sanderson (13-8) L: Rick Wise (5-6) S: Woodie Fryman (15) | Third | 1 out |
| » Major-league debuts: Tony Pena (Pirates) |
| Tuesday, September 2 |
| » Defeated Padres (55-78), 2-1 | San Diego/Jack Murphy Stadium (4-1) | 71-61 | Won 2 |
| » W: Charlie Lea (5-5) L: Eric Rasmussen (3-10) S: Woodie Fryman (16) | First | -- |
| Wednesday, September 3 |
| » Lost to Padres (56-78), 4-3 | San Diego/Jack Murphy Stadium (4-2) | 71-62 | |
| » W: Steve Mura (5-7) L: Fred Norman (4-4) S: Rollie Fingers (19) | Third | 1 out |
| Thursday, September 4 |
| » Defeated Giants (66-68), 4-0 | Candlestick Park (2-1) | 72-62 | |
| » W: Bill Gullickson (7-4) L: Alan Hargesheimer (4-4) | Second | 1 out |
| » Major-league debuts: Fred Breining (Giants) |
| Friday, September 5 |
| » Defeated Giants (66-69), 8-0 | Candlestick Park (3-1) | 73-62 | Won 2 |
| » W: Steve Rogers (13-10) L: John Montefusco (4-7) | First | -- |
| Saturday, September 6 |
| » Defeated Giants (66-70), 9-0 | Candlestick Park (4-1) | 74-62 | Won 3 |
| » W: Scott Sanderson (14-8) L: Ed Whitson (9-10) | First | -- |
| » Major-league debuts: Tim Wallach (Expos) |
| Sunday, September 7 |
| » Lost to Giants (67-70), 6-3 | Candlestick Park (4-2) | 74-63 | |
| » W: Vida Blue (13-7) L: John D'Acquisto (2-5) S: Greg Minton (18) | First | -- |
| Tuesday, September 9 |
| » Defeated Mets (59-79), 3-0 | Stade Olympique (43-26) | 75-63 | |
| » W: Steve Rogers (14-10) L: Pat Zachry (6-10) | First | -- |
| Wednesday, September 10 |
| » Defeated Cubs (54-84), 4-2 | Stade Olympique (44-26) | 76-63 | Won 2 |
| » W: Bill Gullickson (8-4) L: Rick Reuschel (11-11) | First | -- |
| Thursday, September 11 |
| » Defeated Cubs (54-85), 6-5 | Stade Olympique (45-26) | 77-63 | Won 3 |
| » W: Woodie Fryman (6-4) L: Randy Martz (0-2) | First | -- |
| Friday, September 12 |
| » Defeated Pirates (74-68), 1-0 | Stade Olympique (46-26) | 78-63 | Won 4 |
| » W: Scott Sanderson (15-8) L: Rick Rhoden (5-5) | First | -- |
| Future Expo Maicer Izturis is born in Barquisimeto, Venezuela. |
| Saturday, September 13 |
| » Lost to Pirates (75-68), 4-0 | Stade Olympique (46-27) | 78-64 | |
| » W: Don Robinson (6-8) L: Steve Rogers (14-11) | First | -- |
| Sunday, September 14 |
| » Defeated Pirates (75-69), 4-0 | Stade Olympique (47-27) | 79-64 | |
| » W: Bill Gullickson (9-4) L: John Candelaria (10-14) | First | -- |
| Monday, September 15 |
| » Major-league debuts: Andy Rincon (Cardinals) |
| Tuesday, September 16 |
| » Defeated Mets (61-83), 5-3 | Shea Stadium (4-4) | 80-64 | Won 2 |
| » W: Elias Sosa (9-5) L: Juan Berenguer (0-1) | First | -- |
| » Defeated Mets (61-84), 4-2 | Shea Stadium (5-4) | 81-64 | Won 3 |
| » W: David Palmer (7-4) L: Roy Lee Jackson (1-5) S: Stan Bahnsen (3) | First | -- |
| Wednesday, September 17 |
| » Lost to Mets (62-84), 5-2 | Shea Stadium (5-5) | 81-65 | |
| » W: Dyar Miller (1-1) L: Scott Sanderson (15-9) S: Pete Falcone (1) | First | -- |
| Friday, September 19 |
| » Lost to Cardinals (67-80), 9-8 | Busch Stadium II (3-4) | 81-66 | Lost 2 |
| » W: Jim Kaat (7-8) L: Elias Sosa (9-6) | First | -- |
| Saturday, September 20 |
| » Defeated Cardinals (67-81), 5-4 | Busch Stadium II (4-4) | 82-66 | |
| » W: Bill Lee (4-6) L: John Littlefield (5-5) | First | -- |
| Sunday, September 21 |
| » Lost to Cardinals (68-81), 4-1 | Busch Stadium II (4-5) | 82-67 | |
| » W: Andy Rincon (2-0) L: David Palmer (7-5) S: Kim Seaman (4) | First | -- |
| Monday, September 22 |
| » Lost to Pirates (79-71), 4-2 | Three Rivers Stadium (1-7) | 82-68 | Lost 2 |
| » W: Jim Bibby (18-5) L: Scott Sanderson (15-10) S: Kent Tekulve (21) | Second | ½ out |
| Tuesday, September 23 |
| » Defeated Pirates (79-72), 7-1 | Three Rivers Stadium (2-7) | 83-68 | |
| » W: Steve Rogers (15-11) L: Bert Blyleven (8-12) | First | -- |
| Wednesday, September 24 |
| » Defeated Cubs (59-92), 8-4 | Wrigley Field (5-3) | 84-68 | Won 2 |
| » W: Charlie Lea (6-5) L: Rick Reuschel (11-12) S: Stan Bahnsen (4) | First | -- |
| Thursday, September 25 |
| » Lost to Cubs (60-92), 5-4 | Wrigley Field (5-4) | 84-69 | |
| » W: Lynn McGlothen (11-13) L: Bill Gullickson (9-5) S: Dick Tidrow (5) | Second | ½ out |
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