| Sunday, January 2 |
| Future Cardinal Garrett Stephenson is born in Takoma Park, MD. |
| Friday, January 21 |
| Future Cardinal Alan Benes is born in Evansville, IN. |
| Sunday, April 9 |
| Former Cardinal Roy Leslie dies in Sherman, TX at the age of 78. |
| Friday, April 14 |
| Future Cardinal Roberto Mejia is born in Hato Mayor, D.R. |
| Saturday, April 15 |
| » Lost to Expos (1-0), 3-2 | Busch Stadium II (0-1) | 0-1 | |
| » Starters: Bill Stoneman vs Bob Gibson | Second | 1 out |
| Sunday, April 16 |
| » Lost to Expos (2-0), 3-2 | Busch Stadium II (0-2) | 0-2 | Lost 2 |
| » Starters: Ernie McAnally vs Rick Wise | Third | 2 out |
| Monday, April 17 |
| » Defeated Phillies (1-2), 5-4 | Veteran's Stadium (1-0) | 1-2 | |
| » Starters: Reggie Cleveland vs Woodie Fryman | Third | 1½ out |
| Tuesday, April 18 |
| » Lost to Phillies (2-2), 6-3 | Veteran's Stadium (1-1) | 1-3 | |
| » Starters: Scipio Spinks vs Bill Champion | Fifth | 2½ out |
| Wednesday, April 19 |
| » Lost to Phillies (3-2), 1-0 | Veteran's Stadium (1-2) | 1-4 | Lost 2 |
| » Starters: Bob Gibson vs Steve Carlton | Fifth | 3 out |
| Friday, April 21 |
| » Lost to Expos (4-0), 2-1 | Parc Jarry (0-1) | 1-5 | Lost 3 |
| » Starters: Rick Wise vs Bill Stoneman | Sixth | 4 out |
| Saturday, April 22 |
| » Lost to Expos (5-0), 6-5 | Parc Jarry (0-2) | 1-6 | Lost 4 |
| » Starters: Reggie Cleveland vs Ernie McAnally | Sixth | 5 out |
| Sunday, April 23 |
| » Defeated Expos (5-1), 6-1 | Parc Jarry (1-2) | 2-6 | |
| » Starters: Scipio Spinks vs Steve Renko | Fourth | 4 out |
| » Major-league debuts: Tom Walker (Expos) |
| Tuesday, April 25 |
| » Lost to Braves (4-7), 9-3 | Atlanta-Fulton County Stadium (0-1) | 2-7 | |
| » Starters: Bob Gibson vs Phil Niekro | Third | 4 out |
| Future Cardinal Micah Franklin is born in San Francisco, CA. |
| Wednesday, April 26 |
| » Defeated Braves (4-8), 9-4 | Atlanta-Fulton County Stadium (1-1) | 3-7 | |
| » Starters: Rick Wise vs Ron Reed | Fourth | 4 out |
| Friday, April 28 |
| » Defeated Astros (9-3), 7-2 | Astrodome (1-0) | 4-7 | Won 2 |
| » Starters: Reggie Cleveland vs Larry Dierker | Fifth | 4½ out |
| Saturday, April 29 |
| » Defeated Astros (9-4), 4-2 | Astrodome (2-0) | 5-7 | Won 3 |
| » Starters: Scipio Spinks vs Ken Forsch | Third | 3½ out |
| Sunday, April 30 |
| » Lost to Astros (10-4), 7-6 | Astrodome (2-1) | 5-8 | |
| » Starters: Bob Gibson vs Don Wilson | Fourth | 4 out |
| Tuesday, May 2 |
| » Lost to Reds (6-8), 7-6 | Busch Stadium II (0-3) | 5-9 | Lost 2 |
| » Starters: Don Gullett vs Rick Wise | Fourth | 5 out |
| Former Cardinal Jack Smith dies in Westchester, IL at the age of 77. |
| Wednesday, May 3 |
| » Defeated Reds (6-9), 2-1 | Busch Stadium II (1-3) | 6-9 | |
| » Starters: Jack Billingham vs Reggie Cleveland | Fourth | 5 out |
| Thursday, May 4 |
| » Lost to Reds (7-9), 9-5 | Busch Stadium II (1-4) | 6-10 | |
| » Starters: Jim McGlothlin vs Scipio Spinks | Sixth | 5½ out |
| Future Cardinal Manny Aybar is born in Bani, D.R. |
| Friday, May 5 |
| » Lost to Braves (8-11), 2-1 | Busch Stadium II (1-5) | 6-11 | Lost 2 |
| » Starters: Phil Niekro vs Bob Gibson | Sixth | 5½ out |
| Saturday, May 6 |
| » Defeated Braves (8-12), 4-2 | Busch Stadium II (2-5) | 7-11 | |
| » Starters: Mike McQueen vs Rick Wise | Sixth | 4½ out |
| Sunday, May 7 |
| » Defeated Braves (8-13), 5-4 | Busch Stadium II (3-5) | 8-11 | Won 2 |
| » Starters: Ron Reed vs Reggie Cleveland | Fifth | 4½ out |
| Tuesday, May 9 |
| » Defeated Astros (12-7), 2-1 | Busch Stadium II (4-5) | 9-11 | Won 3 |
| » Starters: Don Wilson vs Scipio Spinks | Fifth | 4 out |
| Wednesday, May 10 |
| » Lost to Astros (13-7), 10-7 | Busch Stadium II (4-6) | 9-12 | |
| » Starters: Dave Roberts vs Bob Gibson | Sixth | 5 out |
| Thursday, May 11 |
| » Defeated Astros (13-8), 4-3 | Busch Stadium II (5-6) | 10-12 | |
| » Starters: Jerry Reuss vs Rick Wise | Fifth | 4½ out |
| Friday, May 12 |
| » Lost to Reds (9-13), 5-4 | Riverfront Stadium (0-1) | 10-13 | |
| » Starters: Reggie Cleveland vs Ross Grimsley | Sixth | 5½ out |
| Saturday, May 13 |
| » Lost to Reds (10-13), 11-2 | Riverfront Stadium (0-2) | 10-14 | Lost 2 |
| » Starters: Lance Clemons vs Wayne Simpson | Fifth | 6½ out |
| Sunday, May 14 |
| » Lost to Reds (11-13), 4-3 | Riverfront Stadium (0-3) | 10-15 | Lost 3 |
| » Starters: Scipio Spinks vs Jim McGlothlin | Fifth | 8 out |
| » Lost to Reds (12-13), 2-0 | Riverfront Stadium (0-4) | 10-16 | Lost 4 |
| » Starters: Al Santorini vs Tom Hall | Fifth | 8 out |
| Monday, May 15 |
| » Lost to Pirates (12-12), 4-1 | Three Rivers Stadium (0-1) | 10-17 | Lost 5 |
| » Starters: Bob Gibson vs Dock Ellis | Sixth | 9 out |
| Tuesday, May 16 |
| » Lost to Pirates (13-12), 4-3 | Three Rivers Stadium (0-2) | 10-18 | Lost 6 |
| » Starters: Rick Wise vs Luke Walker | Sixth | 10 out |
| Wednesday, May 17 |
| » Lost to Pirates (14-12), 12-0 | Three Rivers Stadium (0-3) | 10-19 | Lost 7 |
| » Starters: Reggie Cleveland vs Steve Blass | Sixth | 11 out |
| Thursday, May 18 |
| » Lost to Cubs (14-13), 6-4 | Busch Stadium II (5-7) | 10-20 | Lost 8 |
| » Starters: Milt Pappas vs Al Santorini | Sixth | 12 out |
| Friday, May 19 |
| » Defeated Cubs (14-14), 4-3 | Busch Stadium II (6-7) | 11-20 | |
| » Starters: Fergie Jenkins vs Scipio Spinks | Sixth | 12 out |
| Saturday, May 20 |
| » Defeated Cubs (14-15), 3-2 | Busch Stadium II (7-7) | 12-20 | Won 2 |
| » Starters: Burt Hooton vs Bob Gibson | Sixth | 12½ out |
| Sunday, May 21 |
| » Lost to Cubs (15-15), 3-2 | Busch Stadium II (7-8) | 12-21 | |
| » Starters: Bill Hands vs Rick Wise | Sixth | 13½ out |
| Tuesday, May 23 |
| » Lost to Pirates (19-12), 6-2 | Busch Stadium II (7-9) | 12-22 | Lost 2 |
| » Starters: Steve Blass vs Reggie Cleveland | Sixth | 13½ out |
| Wednesday, May 24 |
| » Lost to Pirates (20-12), 9-4 | Busch Stadium II (7-10) | 12-23 | Lost 3 |
| » Starters: Bob Moose vs Scipio Spinks | Sixth | 13½ out |
| Thursday, May 25 |
| » Defeated Pirates (20-13), 4-2 | Busch Stadium II (8-10) | 13-23 | |
| » Starters: Dock Ellis vs Bob Gibson | Sixth | 13½ out |
| Friday, May 26 |
| » Defeated Mets (26-10), 6-2 | Busch Stadium II (9-10) | 14-23 | Won 2 |
| » Starters: Tom Seaver vs Rick Wise | Sixth | 12½ out |
| Saturday, May 27 |
| » Lost to Mets (27-10), 4-1 | Busch Stadium II (9-11) | 14-24 | |
| » Starters: Jim McAndrew vs Al Santorini | Sixth | 13½ out |
| Sunday, May 28 |
| » Defeated Mets (27-11), 8-3 | Busch Stadium II (10-11) | 15-24 | |
| » Starters: Gary Gentry vs Reggie Cleveland | Sixth | 12½ out |
| Monday, May 29 |
| » Lost to Mets (28-11), 7-6 | Busch Stadium II (10-12) | 15-25 | |
| » Starters: Buzz Capra vs Scipio Spinks | Sixth | 13½ out |
| Wednesday, May 31 |
| » Defeated Cubs (20-18), 1-0 | Wrigley Field (1-0) | 16-25 | |
| » Starters: Bob Gibson vs Fergie Jenkins | Sixth | 13½ out |
| Thursday, June 1 |
| » Lost to Cubs (21-18), 7-3 | Wrigley Field (1-1) | 16-26 | |
| » Starters: Rick Wise vs Bill Hands | Sixth | 14½ out |
| Friday, June 2 |
| » Lost to Dodgers (27-17), 8-3 | Dodger Stadium (0-1) | 16-27 | Lost 2 |
| » Starters: Reggie Cleveland vs Tommy John | Sixth | 14½ out |
| Saturday, June 3 |
| » Lost to Dodgers (28-17), 1-0 | Dodger Stadium (0-2) | 16-28 | Lost 3 |
| » Starters: Scipio Spinks vs Don Sutton | Sixth | 15½ out |
| Sunday, June 4 |
| » Defeated Dodgers (28-18), 4-0 | Dodger Stadium (1-2) | 17-28 | |
| » Starters: Bob Gibson vs Claude Osteen | Fifth | 14½ out |
| Monday, June 5 |
| Future Cardinal Mike Coolbaugh is born in Binghamton, NY. |
| Tuesday, June 6 |
| » Defeated Giants (17-35), 5-3 | Candlestick Park (1-0) | 18-28 | Won 2 |
| » Starters: Rick Wise vs Steve Stone | Fifth | 14½ out |
| Wednesday, June 7 |
| » Defeated Giants (17-36), 6-0 | Candlestick Park (2-0) | 19-28 | Won 3 |
| » Starters: Reggie Cleveland vs Juan Marichal | Fifth | 13½ out |
| Thursday, June 8 |
| » Defeated Giants (17-37), 6-4 | Candlestick Park (3-0) | 20-28 | Won 4 |
| » Starters: Scipio Spinks vs Sam McDowell | Fifth | 12½ out |
| Friday, June 9 |
| » Defeated Padres (16-33), 3-2 | San Diego/Jack Murphy Stadium (1-0) | 21-28 | Won 5 |
| » Starters: Bob Gibson vs Bill Greif | Fourth | 11½ out |
| Saturday, June 10 |
| » Defeated Padres (16-34), 5-2 | San Diego/Jack Murphy Stadium (2-0) | 22-28 | Won 6 |
| » Starters: Al Santorini vs Mike Caldwell | Fourth | 11½ out |
| Sunday, June 11 |
| » Lost to Padres (17-34), 4-3 | San Diego/Jack Murphy Stadium (2-1) | 22-29 | |
| » Starters: Rick Wise vs Fred Norman | Fourth | 11½ out |
| Monday, June 12 |
| » Defeated Dodgers (31-22), 3-2 | Busch Stadium II (11-12) | 23-29 | |
| » Starters: Bill Singer vs Reggie Cleveland | Fourth | 10½ out |
| Tuesday, June 13 |
| » Lost to Dodgers (32-22), 2-1 | Busch Stadium II (11-13) | 23-30 | |
| » Starters: Tommy John vs Scipio Spinks | Fourth | 11 out |
| Thursday, June 15 |
| Former Cardinal Tommy Long dies in Mobile, AL at the age of 83. |
| Friday, June 16 |
| » Lost to Giants (20-41), 6-1 | Busch Stadium II (11-14) | 23-31 | Lost 2 |
| » Starters: Don Carrithers vs Rick Wise | Fourth | 12½ out |
| Saturday, June 17 |
| » Defeated Giants (20-42), 4-3 | Busch Stadium II (12-14) | 24-31 | |
| » Starters: Ron Bryant vs Reggie Cleveland | Fourth | 11½ out |
| Sunday, June 18 |
| » Lost to Giants (21-42), 8-2 | Busch Stadium II (12-15) | 24-32 | |
| » Starters: Sam McDowell vs Scipio Spinks | Fourth | 12 out |
| Tuesday, June 20 |
| » Defeated Padres (20-38), 5-4 | Busch Stadium II (13-15) | 25-32 | |
| » Starters: Fred Norman vs Rick Wise | Fourth | 11½ out |
| Wednesday, June 21 |
| » Defeated Padres (20-39), 14-3 | Busch Stadium II (14-15) | 26-32 | Won 2 |
| » Starters: Clay Kirby vs Bob Gibson | Fourth | 10½ out |
| Thursday, June 22 |
| Future Cardinal Miguel Del Toro is born in Sonora, Mexico. |
| Saturday, June 24 |
| » Defeated Mets (37-23), 11-0 | Shea Stadium (1-0) | 27-32 | Won 3 |
| » Starters: Reggie Cleveland vs Tom Seaver | Fourth | 11 out |
| Sunday, June 25 |
| » Defeated Mets (37-24), 7-1 | Shea Stadium (2-0) | 28-32 | Won 4 |
| » Starters: Scipio Spinks vs Jon Matlack | Fourth | 10½ out |
| » Defeated Mets (37-25), 2-1 | Shea Stadium (3-0) | 29-32 | Won 5 |
| » Starters: Rick Wise vs Gary Gentry | Fourth | 10½ out |
| Monday, June 26 |
| » Defeated Expos (27-35), 4-3 | Busch Stadium II (15-15) | 30-32 | Won 6 |
| » Starters: Balor Moore vs Bob Gibson | Fourth | 9½ out |
| Tuesday, June 27 |
| » Defeated Expos (27-36), 4-3 | Busch Stadium II (16-15) | 31-32 | Won 7 |
| » Starters: Carl Morton vs Al Santorini | Fourth | 9 out |
| » Lost to Expos (28-36), 11-3 | Busch Stadium II (16-16) | 31-33 | |
| » Starters: Mike Torrez vs John Cumberland | Fourth | 9 out |
| Wednesday, June 28 |
| » Defeated Cubs (36-28), 8-4 | Busch Stadium II (17-16) | 32-33 | |
| » Starters: Bill Hands vs Reggie Cleveland | Fourth | 8 out |
| Thursday, June 29 |
| » Defeated Cubs (36-29), 4-2 | Busch Stadium II (18-16) | 33-33 | Won 2 |
| » Starters: Burt Hooton vs Rick Wise | Fourth | 8 out |
| Friday, June 30 |
| » Defeated Phillies (24-42), 4-1 | Veteran's Stadium (2-2) | 34-33 | Won 3 |
| » Starters: Scipio Spinks vs Bill Champion | Fourth | 7 out |
| Saturday, July 1 |
| » Defeated Phillies (24-43), 6-4 | Veteran's Stadium (3-2) | 35-33 | Won 4 |
| » Starters: Bob Gibson vs Jim Nash | Fourth | 6½ out |
| » Defeated Phillies (24-44), 1-0 | Veteran's Stadium (4-2) | 36-33 | Won 5 |
| » Starters: Al Santorini vs Ken Reynolds | Fourth | 6½ out |
| Sunday, July 2 |
| » Defeated Phillies (24-45), 7-3 | Veteran's Stadium (5-2) | 37-33 | Won 6 |
| » Starters: Reggie Cleveland vs Gary Neibauer | Fourth | 6½ out |
| Former Cardinal Rankin Johnson dies in Williamsport, PA at the age of 85. |
| Monday, July 3 |
| » Defeated Reds (43-28), 4-2 | Riverfront Stadium (1-4) | 38-33 | Won 7 |
| » Starters: Rick Wise vs Don Gullett | Fourth | 6½ out |
| Tuesday, July 4 |
| » Lost to Reds (44-28), 6-1 | Riverfront Stadium (1-5) | 38-34 | |
| » Starters: Scipio Spinks vs Ross Grimsley | Fourth | 6½ out |
| Friday, July 7 |
| » Defeated Astros (44-32), 3-1 | Busch Stadium II (19-16) | 39-34 | |
| » Starters: Dave Roberts vs Bob Gibson | Third | 7 out |
| Saturday, July 8 |
| » Defeated Astros (44-33), 2-1 | Busch Stadium II (20-16) | 40-34 | Won 2 |
| » Starters: Jerry Reuss vs Reggie Cleveland | Third | 7 out |
| Sunday, July 9 |
| » Lost to Astros (45-33), 12-6 | Busch Stadium II (20-17) | 40-35 | |
| » Starters: Larry Dierker vs Rick Wise | Third | 8 out |
| Tuesday, July 11 |
| » Lost to Braves (37-42), 5-4 | Busch Stadium II (20-18) | 40-36 | Lost 2 |
| » Starters: Phil Niekro vs Al Santorini | Fourth | 8 out |
| Future Cardinal Mark Little is born in Edwardsville, IL. |
| Wednesday, July 12 |
| » Defeated Braves (37-43), 7-0 | Busch Stadium II (21-18) | 41-36 | |
| » Starters: Ron Schueler vs Bob Gibson | Third | 7 out |
| Thursday, July 13 |
| » Defeated Braves (37-44), 2-0 | Busch Stadium II (22-18) | 42-36 | Won 2 |
| » Starters: Ron Reed vs Reggie Cleveland | Third | 6 out |
| Future Cardinal Clint Sodowsky is born in Ponca City, OK. |
| Friday, July 14 |
| » Lost to Reds (49-31), 6-3 | Busch Stadium II (22-19) | 42-37 | |
| » Starters: Ross Grimsley vs Rick Wise | Third | 7 out |
| Saturday, July 15 |
| » Lost to Reds (50-31), 12-2 | Busch Stadium II (22-20) | 42-38 | Lost 2 |
| » Starters: Jim McGlothlin vs Al Santorini | Third | 8 out |
| Sunday, July 16 |
| » Lost to Reds (51-31), 4-1 | Busch Stadium II (22-21) | 42-39 | Lost 3 |
| » Starters: Jack Billingham vs Don Durham | Fourth | 9½ out |
| Monday, July 17 |
| » Defeated Astros (48-39), 3-2 | Astrodome (3-1) | 43-39 | |
| » Starters: Bob Gibson vs Dave Roberts | Third | 9½ out |
| Tuesday, July 18 |
| » Lost to Astros (49-39), 11-3 | Astrodome (3-2) | 43-40 | |
| » Starters: Reggie Cleveland vs Jerry Reuss | Fourth | 9½ out |
| Wednesday, July 19 |
| » Defeated Astros (49-40), 6-0 | Astrodome (4-2) | 44-40 | |
| » Starters: Rick Wise vs Larry Dierker | Third | 9½ out |
| Thursday, July 20 |
| » Lost to Braves (40-48), 6-3 | Atlanta-Fulton County Stadium (1-2) | 44-41 | |
| » Starters: Al Santorini vs Jim Hardin | Third | 10 out |
| Friday, July 21 |
| » Defeated Braves (40-49), 2-1 | Atlanta-Fulton County Stadium (2-2) | 45-41 | |
| » Starters: Bob Gibson vs George Stone | Fourth | 9 out |
| Former Cardinal Harry McCurdy dies in Houston, TX at the age of 73. |
| Saturday, July 22 |
| » Lost to Braves (41-49), 8-7 | Atlanta-Fulton County Stadium (2-3) | 45-42 | |
| » Starters: Reggie Cleveland vs Ron Reed | Fourth | 9 out |
| Sunday, July 23 |
| » Lost to Braves (42-49), 3-2 | Atlanta-Fulton County Stadium (2-4) | 45-43 | Lost 2 |
| » Starters: Rick Wise vs Phil Niekro | Fourth | 10 out |
| Thursday, July 27 |
| » Defeated Expos (40-48), 8-2 | Parc Jarry (2-2) | 46-43 | |
| » Starters: Reggie Cleveland vs Balor Moore | Third | 9½ out |
| Friday, July 28 |
| » Lost to Expos (41-48), 3-1 | Parc Jarry (2-3) | 46-44 | |
| » Starters: Bob Gibson vs Bill Stoneman | Third | 10½ out |
| Saturday, July 29 |
| » Lost to Cubs (48-46), 3-2 | Wrigley Field (1-2) | 46-45 | Lost 2 |
| » Starters: Rick Wise vs Bill Hands | Fourth | 11 out |
| Sunday, July 30 |
| » Lost to Cubs (49-46), 4-0 | Wrigley Field (1-3) | 46-46 | Lost 3 |
| » Starters: Don Durham vs Rick Reuschel | Fourth | 12½ out |
| » Lost to Cubs (50-46), 5-4 | Wrigley Field (1-4) | 46-47 | Lost 4 |
| » Starters: Dennis Higgins vs Bill Bonham | Fourth | 12½ out |
| » Major-league debuts: Ray Bare (Cardinals) |
| Monday, July 31 |
| » Lost to Cubs (51-46), 4-0 | Wrigley Field (1-5) | 46-48 | Lost 5 |
| » Starters: Reggie Cleveland vs Fergie Jenkins | Fourth | 13½ out |
| Tuesday, August 1 |
| » Defeated Pirates (60-36), 7-4 | Busch Stadium II (23-21) | 47-48 | |
| » Starters: Nelson Briles vs Al Santorini | Fourth | 12½ out |
| Wednesday, August 2 |
| » Defeated Pirates (60-37), 10-5 | Busch Stadium II (24-21) | 48-48 | Won 2 |
| » Starters: Dock Ellis vs Bob Gibson | Fourth | 11½ out |
| Thursday, August 3 |
| » Lost to Pirates (61-37), 2-1 | Busch Stadium II (24-22) | 48-49 | |
| » Starters: Steve Blass vs Rick Wise | Fourth | 12½ out |
| Friday, August 4 |
| » Lost to Phillies (38-62), 8-3 | Busch Stadium II (24-23) | 48-50 | Lost 2 |
| » Starters: Ken Reynolds vs Don Durham | Fourth | 12½ out |
| Saturday, August 5 |
| » Lost to Phillies (39-62), 5-0 | Busch Stadium II (24-24) | 48-51 | Lost 3 |
| » Starters: Steve Carlton vs Reggie Cleveland | Fourth | 13½ out |
| Sunday, August 6 |
| » Defeated Phillies (39-63), 6-0 | Busch Stadium II (25-24) | 49-51 | |
| » Starters: Wayne Twitchell vs Al Santorini | Fourth | 14 out |
| Monday, August 7 |
| » Defeated Mets (55-46), 3-2 | Busch Stadium II (26-24) | 50-51 | Won 2 |
| » Starters: Tom Seaver vs Bob Gibson | Fourth | 13½ out |
| Tuesday, August 8 |
| » Defeated Mets (55-47), 6-5 | Busch Stadium II (27-24) | 51-51 | Won 3 |
| » Starters: Gary Gentry vs Rick Wise | Fourth | 13½ out |
| Wednesday, August 9 |
| » Lost to Mets (56-47), 8-3 | Busch Stadium II (27-25) | 51-52 | |
| » Starters: Jim McAndrew vs Don Durham | Fourth | 13½ out |
| Friday, August 11 |
| » Lost to Pirates (66-39), 10-5 | Three Rivers Stadium (0-4) | 51-53 | Lost 2 |
| » Starters: Reggie Cleveland vs Nelson Briles | Fourth | 14½ out |
| » Major-league debuts: Ron Allen (Cardinals) |
| Saturday, August 12 |
| » Lost to Pirates (67-39), 6-5 | Three Rivers Stadium (0-5) | 51-54 | Lost 3 |
| » Starters: Bob Gibson vs Bob Moose | Fourth | 15½ out |
| Sunday, August 13 |
| » Defeated Pirates (67-40), 2-0 | Three Rivers Stadium (1-5) | 52-54 | |
| » Starters: Rick Wise vs Dock Ellis | Fourth | 15½ out |
| » Lost to Pirates (68-40), 7-5 | Three Rivers Stadium (1-6) | 52-55 | |
| » Starters: Al Santorini vs Steve Blass | Fourth | 15½ out |
| Tuesday, August 15 |
| » Lost to Padres (43-66), 7-1 | San Diego/Jack Murphy Stadium (2-2) | 52-56 | Lost 2 |
| » Starters: Reggie Cleveland vs Mike Caldwell | Fourth | 15½ out |
| Former Cardinal Jeff Pfeffer dies in Chicago, IL at the age of 85. |
| Wednesday, August 16 |
| » Defeated Padres (43-67), 6-4 | San Diego/Jack Murphy Stadium (3-2) | 53-56 | |
| » Starters: Bob Gibson vs Steve Arlin | Fourth | 15½ out |
| Thursday, August 17 |
| » Lost to Padres (44-67), 3-2 | San Diego/Jack Murphy Stadium (3-3) | 53-57 | |
| » Starters: Rick Wise vs Clay Kirby | Fourth | 15½ out |
| Friday, August 18 |
| » Defeated Giants (51-65), 3-1 | Candlestick Park (4-0) | 54-57 | |
| » Starters: Don Durham vs Jim Willoughby | Fourth | 15½ out |
| Saturday, August 19 |
| » Defeated Giants (51-66), 7-4 | Candlestick Park (5-0) | 55-57 | Won 2 |
| » Starters: Al Santorini vs Frank Reberger | Fourth | 15 out |
| Sunday, August 20 |
| » Lost to Giants (52-66), 5-3 | Candlestick Park (5-1) | 55-58 | |
| » Starters: Reggie Cleveland vs Ron Bryant | Fourth | 16½ out |
| Monday, August 21 |
| » Defeated Dodgers (60-54), 4-0 | Dodger Stadium (2-2) | 56-58 | |
| » Starters: Bob Gibson vs Don Sutton | Fourth | 16 out |
| Tuesday, August 22 |
| » Lost to Dodgers (61-54), 1-0 | Dodger Stadium (2-3) | 56-59 | |
| » Starters: Rick Wise vs Al Downing | Fourth | 17 out |
| Future Cardinal Steve Kline is born in Sunbury, PA. |
| Wednesday, August 23 |
| » Lost to Dodgers (62-54), 3-0 | Dodger Stadium (2-4) | 56-60 | Lost 2 |
| » Starters: Don Durham vs Bill Singer | Fourth | 17 out |
| Friday, August 25 |
| » Defeated Padres (45-73), 7-4 | Busch Stadium II (28-25) | 57-60 | |
| » Starters: Mike Caldwell vs Reggie Cleveland | Fourth | 17 out |
| » Lost to Padres (46-73), 8-7 | Busch Stadium II (28-26) | 57-61 | |
| » Starters: Fred Norman vs Al Santorini | Fourth | 17 out |
| Saturday, August 26 |
| » Defeated Padres (46-74), 9-3 | Busch Stadium II (29-26) | 58-61 | |
| » Starters: Steve Arlin vs Bob Gibson | Fourth | 16 out |
| Sunday, August 27 |
| » Defeated Padres (46-75), 9-2 | Busch Stadium II (30-26) | 59-61 | Won 2 |
| » Starters: Clay Kirby vs Rick Wise | Fourth | 15 out |
| Monday, August 28 |
| » Defeated Giants (54-70), 4-2 | Busch Stadium II (31-26) | 60-61 | Won 3 |
| » Starters: Juan Marichal vs Don Durham | Fourth | 15 out |
| Tuesday, August 29 |
| » Lost to Giants (55-70), 3-0 | Busch Stadium II (31-27) | 60-62 | |
| » Starters: Jim Barr vs Reggie Cleveland | Fourth | 16 out |
| Wednesday, August 30 |
| » Lost to Giants (56-70), 3-2 | Busch Stadium II (31-28) | 60-63 | Lost 2 |
| » Starters: Jim Willoughby vs Bob Gibson | Fourth | 17 out |
| Friday, September 1 |
| » Defeated Dodgers (66-58), 5-1 | Busch Stadium II (32-28) | 61-63 | |
| » Starters: Don Sutton vs Rick Wise | Fourth | 17½ out |
| » Lost to Dodgers (67-58), 2-1 | Busch Stadium II (32-29) | 61-64 | |
| » Starters: Al Downing vs Al Santorini | Fourth | 17½ out |
| » Major-league debuts: Skip Jutze and Mick Kelleher (Cardinals) |
| Saturday, September 2 |
| » Lost to Dodgers (68-58), 5-1 | Busch Stadium II (32-30) | 61-65 | Lost 2 |
| » Starters: Doug Rau vs Don Durham | Fourth | 18½ out |
| » Major-league debuts: Doug Rau (Dodgers) |
| Sunday, September 3 |
| » Lost to Dodgers (69-58), 6-3 | Busch Stadium II (32-31) | 61-66 | Lost 3 |
| » Starters: Bill Singer vs Reggie Cleveland | Fourth | 19½ out |
| Monday, September 4 |
| » Lost to Expos (59-67), 1-0 | Busch Stadium II (32-32) | 61-67 | Lost 4 |
| » Starters: Carl Morton vs Bob Gibson | Fourth | 20½ out |
| » Defeated Expos (59-68), 8-7 | Busch Stadium II (33-32) | 62-67 | |
| » Starters: Ernie McAnally vs Jim Bibby | Fourth | 20½ out |
| » Major-league debuts: Jim Bibby (Cardinals) |
| Former Cardinal Bob Bowman dies in Bluefield, WV at the age of 62. |
| Tuesday, September 5 |
| » Defeated Expos (59-69), 5-3 | Busch Stadium II (34-32) | 63-67 | Won 2 |
| » Starters: Bill Stoneman vs Rick Wise | Fourth | 20 out |
| » Major-league debuts: Ken Reitz and Mike Tyson (Cardinals) |
| Wednesday, September 6 |
| » Lost to Phillies (48-83), 3-2 | Veteran's Stadium (5-3) | 63-68 | |
| » Starters: Lowell Palmer vs Ken Reynolds | Fourth | 21 out |
| » Major-league debuts: Bill Stein (Cardinals) |
| Thursday, September 7 |
| » Lost to Phillies (49-83), 2-1 | Veteran's Stadium (5-4) | 63-69 | Lost 2 |
| » Starters: Al Santorini vs Steve Carlton | Fourth | 21 out |
| Friday, September 8 |
| » Lost to Mets (67-63), 8-2 | Shea Stadium (3-1) | 63-70 | Lost 3 |
| » Starters: Reggie Cleveland vs Jon Matlack | Fourth | 22 out |
| » Defeated Mets (67-64), 9-4 | Shea Stadium (4-1) | 64-70 | |
| » Starters: Jim Bibby vs Hank Webb | Fourth | 22 out |
| Saturday, September 9 |
| » Lost to Mets (68-64), 3-1 | Shea Stadium (4-2) | 64-71 | |
| » Starters: Bob Gibson vs Gary Gentry | Fourth | 23 out |
| Sunday, September 10 |
| » Lost to Mets (69-64), 3-2 | Shea Stadium (4-3) | 64-72 | Lost 2 |
| » Starters: Rick Wise vs Tom Seaver | Fourth | 23 out |
| Monday, September 11 |
| » Lost to Expos (63-72), 4-0 | Parc Jarry (2-4) | 64-73 | Lost 3 |
| » Starters: Lowell Palmer vs Balor Moore | Fifth | 23½ out |
| Tuesday, September 12 |
| » Lost to Expos (64-72), 7-2 | Parc Jarry (2-5) | 64-74 | Lost 4 |
| » Starters: Reggie Cleveland vs Ernie McAnally | Fifth | 24½ out |
| Wednesday, September 13 |
| » Defeated Expos (64-73), 5-4 | Parc Jarry (3-5) | 65-74 | |
| » Starters: Jim Bibby vs Carl Morton | Fourth | 24½ out |
| Thursday, September 14 |
| » Defeated Expos (64-74), 6-2 | Parc Jarry (4-5) | 66-74 | Won 2 |
| » Starters: Bob Gibson vs Bill Stoneman | Fourth | 24½ out |
| Future Cardinal David Bell is born in Cincinnati, OH. |
| Friday, September 15 |
| » Defeated Pirates (89-49), 10-4 | Busch Stadium II (35-32) | 67-74 | Won 3 |
| » Starters: Bruce Kison vs Rick Wise | Fourth | 23½ out |
| » Major-league debuts: Fernando Gonzalez (Pirates) |
| Saturday, September 16 |
| » Defeated Pirates (89-50), 4-0 | Busch Stadium II (36-32) | 68-74 | Won 4 |
| » Starters: Steve Blass vs Al Santorini | Fourth | 22½ out |
| Sunday, September 17 |
| » Defeated Pirates (89-51), 5-4 | Busch Stadium II (37-32) | 69-74 | Won 5 |
| » Starters: Bob Johnson vs Reggie Cleveland | Fourth | 21½ out |
| Future Cardinal Brady Raggio is born in Los Angeles, CA. |
| Tuesday, September 19 |
| » Defeated Phillies (52-90), 2-1 | Busch Stadium II (38-32) | 70-74 | Won 6 |
| » Starters: Dave Downs vs Bob Gibson | Fourth | 21 out |
| Wednesday, September 20 |
| » Lost to Phillies (53-90), 2-1 | Busch Stadium II (38-33) | 70-75 | |
| » Starters: Steve Carlton vs Rick Wise | Fourth | 21 out |
| Thursday, September 21 |
| » Lost to Phillies (54-90), 3-1 | Busch Stadium II (38-34) | 70-76 | Lost 2 |
| » Starters: Wayne Twitchell vs Jim Bibby | Fourth | 22 out |
| Saturday, September 23 |
| » Lost to Cubs (80-65), 2-0 | Busch Stadium II (38-35) | 70-77 | Lost 3 |
| » Starters: Burt Hooton vs Bob Gibson | Fourth | 23 out |
| » Lost to Cubs (81-65), 15-1 | Busch Stadium II (38-36) | 70-78 | Lost 4 |
| » Starters: Joe Decker vs Reggie Cleveland | Fourth | 23 out |
| Sunday, September 24 |
| » Defeated Cubs (81-66), 2-1 | Busch Stadium II (39-36) | 71-78 | |
| » Starters: Bill Hands vs Rick Wise | Fourth | 22 out |
| Tuesday, September 26 |
| » Lost to Mets (77-70), 3-1 | Busch Stadium II (39-37) | 71-79 | |
| » Starters: Jerry Koosman vs Jim Bibby | Fo |