| Sunday, January 24 |
| Future Cardinal Cory Bailey is born in Marion, IL. |
| Wednesday, March 3 |
| Future Cardinal Jose Oliva is born in San Pedro de Macoris, D.R. |
| Thursday, March 11 |
| Former Cardinal Clyde Barfoot dies in Highland Park, CA at the age of 80. |
| Monday, March 29 |
| Future Cardinal Sean Lowe is born in Dallas, TX. |
| Tuesday, April 6 |
| » Lost to Cubs (1-0), 2-1 | Wrigley Field (0-1) | 0-1 | |
| » Starters: Bob Gibson vs Fergie Jenkins | Second | 1 out |
| Wednesday, April 7 |
| » Defeated Cubs (1-1), 14-3 | Wrigley Field (1-1) | 1-1 | |
| » Starters: Steve Carlton vs Bill Hands | Second | ½ out |
| » Major-league debuts: Bill Bonham and Hal Breeden (Cubs) |
| Future Cardinal Mark Thompson is born in Russellville, KY. |
| Saturday, April 10 |
| » Lost to Giants (3-1), 6-4 | Busch Stadium II (0-1) | 1-2 | |
| » Starters: Frank Reberger vs Jerry Reuss | Fourth | 1½ out |
| Sunday, April 11 |
| » Defeated Giants (3-2), 4-2 | Busch Stadium II (1-1) | 2-2 | |
| » Starters: Rich Robertson vs Bob Gibson | Fourth | 1½ out |
| » Lost to Giants (4-2), 7-2 | Busch Stadium II (1-2) | 2-3 | |
| » Starters: Juan Marichal vs Reggie Cleveland | Fourth | 1½ out |
| Monday, April 12 |
| » Defeated Astros (5-3), 5-4 | Busch Stadium II (2-2) | 3-3 | |
| » Starters: Wade Blasingame vs Steve Carlton | Third | 1 out |
| Tuesday, April 13 |
| » Lost to Astros (6-3), 8-4 | Busch Stadium II (2-3) | 3-4 | |
| » Starters: Jack Billingham vs Mike Torrez | Third | 2 out |
| Future Cardinal Kevin Ohme is born in Palm Beach, FL. |
| Wednesday, April 14 |
| » Defeated Dodgers (3-6), 7-1 | Dodger Stadium (1-0) | 4-4 | |
| » Starters: Jerry Reuss vs Claude Osteen | Third | 1 out |
| Thursday, April 15 |
| » Lost to Dodgers (4-6), 2-1 | Dodger Stadium (1-1) | 4-5 | |
| » Starters: Reggie Cleveland vs Al Downing | Third | 1½ out |
| Friday, April 16 |
| » Defeated Padres (3-6), 7-1 | San Diego/Jack Murphy Stadium (1-0) | 5-5 | |
| » Starters: Bob Gibson vs Danny Coombs | Third | 2 out |
| Former Cardinal Ron Northey dies in Pittsburgh, PA at the age of 51. |
| Saturday, April 17 |
| » Defeated Padres (3-7), 4-0 | San Diego/Jack Murphy Stadium (2-0) | 6-5 | Won 2 |
| » Starters: Steve Carlton vs Tom Phoebus | Third | ½ out |
| » Major-league debuts: Enzo Hernandez (Padres) |
| Sunday, April 18 |
| » Defeated Padres (3-8), 4-2 | San Diego/Jack Murphy Stadium (3-0) | 7-5 | Won 3 |
| » Starters: Mike Torrez vs Clay Kirby | Second | 2 out |
| Monday, April 19 |
| » Lost to Giants (12-2), 4-2 | Candlestick Park (0-1) | 7-6 | |
| » Starters: Jerry Reuss vs Frank Reberger | Fourth | 2½ out |
| Tuesday, April 20 |
| » Defeated Giants (12-3), 2-1 | Candlestick Park (1-1) | 8-6 | |
| » Starters: Reggie Cleveland vs Juan Marichal | First | -- |
| Wednesday, April 21 |
| » Defeated Giants (12-4), 5-3 | Candlestick Park (2-1) | 9-6 | Won 2 |
| » Starters: Bob Gibson vs Gaylord Perry | First | -- |
| Thursday, April 22 |
| » Defeated Phillies (4-8), 5-2 | Busch Stadium II (3-3) | 10-6 | Won 3 |
| » Starters: Jim Bunning vs Steve Carlton | First | -- |
| Friday, April 23 |
| » Lost to Phillies (5-8), 8-6 | Busch Stadium II (3-4) | 10-7 | |
| » Starters: Barry Lersch vs Mike Torrez | Second | 3½ out |
| Saturday, April 24 |
| » Defeated Phillies (5-9), 5-0 | Busch Stadium II (4-4) | 11-7 | |
| » Starters: Bill Champion vs Jerry Reuss | Second | 3½ out |
| Sunday, April 25 |
| » Defeated Phillies (5-10), 5-4 | Busch Stadium II (5-4) | 12-7 | Won 2 |
| » Starters: Chris Short vs Reggie Cleveland | Second | 3½ out |
| Monday, April 26 |
| » Lost to Mets (8-7), 12-2 | Busch Stadium II (5-5) | 12-8 | |
| » Starters: Tom Seaver vs Bob Gibson | Second | 4 out |
| Tuesday, April 27 |
| » Lost to Mets (9-7), 2-1 | Busch Stadium II (5-6) | 12-9 | Lost 2 |
| » Starters: Jerry Koosman vs Steve Carlton | Second | 4½ out |
| Wednesday, April 28 |
| » Lost to Mets (10-7), 9-1 | Busch Stadium II (5-7) | 12-10 | Lost 3 |
| » Starters: Gary Gentry vs Mike Torrez | Fourth | 4½ out |
| Thursday, April 29 |
| » Lost to Mets (11-7), 7-0 | Busch Stadium II (5-8) | 12-11 | Lost 4 |
| » Starters: Nolan Ryan vs Jerry Reuss | Fourth | 4½ out |
| Friday, April 30 |
| » Defeated Expos (9-6), 4-2 | Busch Stadium II (6-8) | 13-11 | |
| » Starters: Bill Stoneman vs Reggie Cleveland | Fourth | 2½ out |
| Saturday, May 1 |
| » Tied Expos, 2-2 | Busch Stadium II (6-8) | 13-11 | |
| » Starters: Steve Renko vs Bob Gibson | Fourth | 2 out |
| Sunday, May 2 |
| » Defeated Expos (9-7), 1-0 | Busch Stadium II (7-8) | 14-11 | Won 2 |
| » Starters: Carl Morton vs Steve Carlton | Fourth | 2 out |
| Monday, May 3 |
| » Lost to Phillies (8-14), 3-2 | Veteran's Stadium (0-1) | 14-12 | |
| » Starters: Chris Zachary vs Barry Lersch | Fourth | 2 out |
| Tuesday, May 4 |
| » Defeated Phillies (8-15), 7-3 | Veteran's Stadium (1-1) | 15-12 | |
| » Starters: Jerry Reuss vs Chris Short | Fourth | 2 out |
| Wednesday, May 5 |
| » Defeated Phillies (8-16), 5-1 | Veteran's Stadium (2-1) | 16-12 | Won 2 |
| » Starters: Reggie Cleveland vs Rick Wise | Fourth | 2 out |
| Friday, May 7 |
| » Lost to Mets (16-9), 3-1 | Shea Stadium (0-1) | 16-13 | |
| » Starters: Bob Gibson vs Tom Seaver | Fourth | 2 out |
| Sunday, May 9 |
| » Lost to Mets (17-9), 9-5 | Shea Stadium (0-2) | 16-14 | Lost 2 |
| » Starters: Steve Carlton vs Jerry Koosman | Fourth | 3 out |
| Monday, May 10 |
| » Defeated Expos (12-10), 8-5 | Parc Jarry (1-0) | 17-14 | |
| » Starters: Jerry Reuss vs Steve Renko | Third | 3 out |
| Tuesday, May 11 |
| » Defeated Expos (12-11), 10-4 | Parc Jarry (2-0) | 18-14 | Won 2 |
| » Starters: Reggie Cleveland vs Carl Morton | Third | 3 out |
| Friday, May 14 |
| » Defeated Astros (15-18), 4-2 | Astrodome (1-0) | 19-14 | Won 3 |
| » Starters: Bob Gibson vs Jack Billingham | Third | 2½ out |
| Saturday, May 15 |
| » Defeated Astros (15-19), 6-5 | Astrodome (2-0) | 20-14 | Won 4 |
| » Starters: Steve Carlton vs Wade Blasingame | Second | 2½ out |
| Sunday, May 16 |
| » Lost to Astros (16-19), 12-4 | Astrodome (2-1) | 20-15 | |
| » Starters: Jerry Reuss vs Larry Dierker | Third | 2½ out |
| Tuesday, May 18 |
| » Defeated Dodgers (18-20), 6-5 | Busch Stadium II (8-8) | 21-15 | |
| » Starters: Don Sutton vs Reggie Cleveland | Third | 1 out |
| Wednesday, May 19 |
| » Lost to Dodgers (19-20), 6-5 | Busch Stadium II (8-9) | 21-16 | |
| » Starters: Al Downing vs Bob Gibson | Third | 2 out |
| Thursday, May 20 |
| » Defeated Dodgers (19-21), 5-0 | Busch Stadium II (9-9) | 22-16 | |
| » Starters: Bill Singer vs Steve Carlton | Third | 1 out |
| Friday, May 21 |
| » Defeated Padres (12-28), 15-8 | Busch Stadium II (10-9) | 23-16 | Won 2 |
| » Starters: Danny Coombs vs Jerry Reuss | Third | 1 out |
| Saturday, May 22 |
| » Defeated Padres (12-29), 7-4 | Busch Stadium II (11-9) | 24-16 | Won 3 |
| » Starters: Dave Roberts vs Chris Zachary | Second | 1 out |
| Sunday, May 23 |
| » Defeated Padres (12-30), 6-1 | Busch Stadium II (12-9) | 25-16 | Won 4 |
| » Starters: Steve Arlin vs Reggie Cleveland | Second | 1 out |
| Monday, May 24 |
| » Lost to Padres (13-30), 12-3 | Busch Stadium II (12-10) | 25-17 | |
| » Starters: Tom Phoebus vs Bob Gibson | Second | 1½ out |
| Tuesday, May 25 |
| » Defeated Cubs (21-22), 4-2 | Busch Stadium II (13-10) | 26-17 | |
| » Starters: Bill Hands vs Steve Carlton | Second | 1½ out |
| Wednesday, May 26 |
| » Defeated Cubs (21-23), 9-4 | Busch Stadium II (14-10) | 27-17 | Won 2 |
| » Starters: Ken Holtzman vs Jerry Reuss | First | -- |
| Thursday, May 27 |
| » Defeated Cubs (21-24), 10-0 | Busch Stadium II (15-10) | 28-17 | Won 3 |
| » Starters: Fergie Jenkins vs Chris Zachary | First | -- |
| Friday, May 28 |
| » Defeated Braves (22-25), 4-0 | Busch Stadium II (16-10) | 29-17 | Won 4 |
| » Starters: Ron Reed vs Reggie Cleveland | First | -- |
| Saturday, May 29 |
| » Defeated Braves (22-26), 8-7 | Busch Stadium II (17-10) | 30-17 | Won 5 |
| » Starters: Jim Nash vs Bob Gibson | First | -- |
| Sunday, May 30 |
| » Defeated Braves (22-27), 8-3 | Busch Stadium II (18-10) | 31-17 | Won 6 |
| » Starters: Phil Niekro vs Steve Carlton | First | -- |
| Monday, May 31 |
| » Defeated Braves (22-28), 3-2 | Busch Stadium II (19-10) | 32-17 | Won 7 |
| » Starters: George Stone vs Jerry Reuss | First | -- |
| Tuesday, June 1 |
| » Lost to Pirates (30-19), 9-0 | Three Rivers Stadium (0-1) | 32-18 | |
| » Starters: Chris Zachary vs Dock Ellis | First | -- |
| Wednesday, June 2 |
| » Lost to Pirates (31-19), 10-1 | Three Rivers Stadium (0-2) | 32-19 | Lost 2 |
| » Starters: Reggie Cleveland vs Luke Walker | First | -- |
| Thursday, June 3 |
| » Defeated Pirates (31-20), 7-1 | Three Rivers Stadium (1-2) | 33-19 | |
| » Starters: Steve Carlton vs Bob Johnson | First | -- |
| Friday, June 4 |
| » Lost to Reds (21-32), 12-0 | Riverfront Stadium (0-1) | 33-20 | |
| » Starters: Chris Zachary vs Ross Grimsley | Second | 2½ out |
| Saturday, June 5 |
| » Defeated Reds (21-33), 5-3 | Riverfront Stadium (1-1) | 34-20 | |
| » Starters: Jerry Reuss vs Tony Cloninger | First | -- |
| Sunday, June 6 |
| » Lost to Reds (22-33), 4-2 | Riverfront Stadium (1-2) | 34-21 | |
| » Starters: Reggie Cleveland vs Don Gullett | First | -- |
| Monday, June 7 |
| » Defeated Braves (25-32), 7-6 | Atlanta-Fulton County Stadium (1-0) | 35-21 | |
| » Starters: Mike Torrez vs Ron Reed | First | -- |
| Tuesday, June 8 |
| » Lost to Braves (26-32), 8-7 | Atlanta-Fulton County Stadium (1-1) | 35-22 | |
| » Starters: Steve Carlton vs Pat Jarvis | First | -- |
| Wednesday, June 9 |
| » Lost to Braves (27-32), 8-3 | Atlanta-Fulton County Stadium (1-2) | 35-23 | Lost 2 |
| » Starters: Chris Zachary vs Phil Niekro | Second | 3 out |
| Thursday, June 10 |
| » Lost to Pirates (35-23), 3-1 | Busch Stadium II (19-11) | 35-24 | Lost 3 |
| » Starters: Steve Blass vs Jerry Reuss | Third | 3 out |
| Friday, June 11 |
| » Lost to Pirates (36-23), 11-4 | Busch Stadium II (19-12) | 35-25 | Lost 4 |
| » Starters: Dock Ellis vs Reggie Cleveland | Third | 1½ out |
| Saturday, June 12 |
| » Lost to Pirates (37-23), 4-3 | Busch Stadium II (19-13) | 35-26 | Lost 5 |
| » Starters: Nelson Briles vs Mike Torrez | Third | 2½ out |
| Sunday, June 13 |
| » Lost to Pirates (38-23), 8-4 | Busch Stadium II (19-14) | 35-27 | Lost 6 |
| » Starters: Luke Walker vs Steve Carlton | Third | 3½ out |
| Monday, June 14 |
| » Lost to Reds (26-35), 7-2 | Busch Stadium II (19-15) | 35-28 | Lost 7 |
| » Starters: Ross Grimsley vs Jerry Reuss | Third | 3½ out |
| Tuesday, June 15 |
| » Defeated Reds (26-36), 6-1 | Busch Stadium II (20-15) | 36-28 | |
| » Starters: Jim Merritt vs Reggie Cleveland | Third | 3½ out |
| Wednesday, June 16 |
| » Lost to Reds (27-36), 1-0 | Busch Stadium II (20-16) | 36-29 | |
| » Starters: Don Gullett vs Al Santorini | Third | 4½ out |
| Thursday, June 17 |
| » Lost to Cubs (33-32), 7-6 | Wrigley Field (1-2) | 36-30 | Lost 2 |
| » Starters: Steve Carlton vs Burt Hooton | Third | 5 out |
| » Major-league debuts: Burt Hooton (Cubs) |
| Friday, June 18 |
| » Lost to Cubs (34-32), 15-5 | Wrigley Field (1-3) | 36-31 | Lost 3 |
| » Starters: Jerry Reuss vs Milt Pappas | Third | 6 out |
| Saturday, June 19 |
| » Lost to Cubs (35-32), 7-1 | Wrigley Field (1-4) | 36-32 | Lost 4 |
| » Starters: Reggie Cleveland vs Bill Hands | Third | 6 out |
| Sunday, June 20 |
| » Defeated Cubs (35-33), 5-4 | Wrigley Field (2-4) | 37-32 | |
| » Starters: Al Santorini vs Ken Holtzman | Third | 6½ out |
| Monday, June 21 |
| » Lost to Dodgers (38-30), 4-0 | Dodger Stadium (1-2) | 37-33 | |
| » Starters: Bob Gibson vs Bob O'Brien | Third | 7½ out |
| Tuesday, June 22 |
| » Defeated Dodgers (38-31), 6-5 | Dodger Stadium (2-2) | 38-33 | |
| » Starters: Steve Carlton vs Claude Osteen | Third | 6½ out |
| Wednesday, June 23 |
| » Defeated Dodgers (38-32), 3-1 | Dodger Stadium (3-2) | 39-33 | Won 2 |
| » Starters: Jerry Reuss vs Don Sutton | Third | 6½ out |
| Thursday, June 24 |
| » Lost to Dodgers (39-32), 11-4 | Dodger Stadium (3-3) | 39-34 | |
| » Starters: Reggie Cleveland vs Al Downing | Third | 7 out |
| Friday, June 25 |
| » Lost to Cubs (36-35), 12-0 | Busch Stadium II (20-17) | 39-35 | Lost 2 |
| » Starters: Bill Hands vs Al Santorini | Third | 8 out |
| Saturday, June 26 |
| » Lost to Cubs (37-35), 5-1 | Busch Stadium II (20-18) | 39-36 | Lost 3 |
| » Starters: Ken Holtzman vs Bob Gibson | Third | 9 out |
| Sunday, June 27 |
| » Lost to Cubs (38-35), 4-1 | Busch Stadium II (20-19) | 39-37 | Lost 4 |
| » Starters: Fergie Jenkins vs Steve Carlton | Fourth | 9½ out |
| Monday, June 28 |
| » Lost to Pirates (49-27), 11-5 | Busch Stadium II (20-20) | 39-38 | Lost 5 |
| » Starters: Bob Moose vs Jerry Reuss | Fourth | 10½ out |
| Tuesday, June 29 |
| » Defeated Pirates (49-28), 8-3 | Busch Stadium II (21-20) | 40-38 | |
| » Starters: Luke Walker vs Reggie Cleveland | Fourth | 9½ out |
| Thursday, July 1 |
| » Lost to Giants (51-29), 8-7 | Candlestick Park (2-2) | 40-39 | |
| » Starters: Al Santorini vs Ron Bryant | Fourth | 10 out |
| Friday, July 2 |
| » Defeated Giants (51-30), 7-2 | Candlestick Park (3-2) | 41-39 | |
| » Starters: Bob Gibson vs Steve Stone | Fourth | 10 out |
| Saturday, July 3 |
| » Lost to Giants (52-30), 10-1 | Candlestick Park (3-3) | 41-40 | |
| » Starters: Steve Carlton vs John Cumberland | Fourth | 10 out |
| Sunday, July 4 |
| » Defeated Padres (28-56), 3-2 | San Diego/Jack Murphy Stadium (4-0) | 42-40 | |
| » Starters: Jerry Reuss vs Steve Arlin | Fourth | 9 out |
| Monday, July 5 |
| » Lost to Padres (29-56), 3-2 | San Diego/Jack Murphy Stadium (4-1) | 42-41 | |
| » Starters: Reggie Cleveland vs Fred Norman | Fourth | 10 out |
| Wednesday, July 7 |
| » Lost to Padres (30-56), 4-1 | San Diego/Jack Murphy Stadium (4-2) | 42-42 | Lost 2 |
| » Starters: Bob Gibson vs Clay Kirby | Fourth | 11½ out |
| Friday, July 9 |
| » Defeated Astros (43-41), 5-2 | Busch Stadium II (22-20) | 43-42 | |
| » Starters: Ken Forsch vs Steve Carlton | Fourth | 11½ out |
| » Defeated Astros (43-42), 9-5 | Busch Stadium II (23-20) | 44-42 | Won 2 |
| » Starters: Wade Blasingame vs Jerry Reuss | Fourth | 11½ out |
| Saturday, July 10 |
| » Defeated Astros (43-43), 6-5 | Busch Stadium II (24-20) | 45-42 | Won 3 |
| » Starters: Jack Billingham vs Reggie Cleveland | Fourth | 11½ out |
| Sunday, July 11 |
| » Defeated Astros (43-44), 7-3 | Busch Stadium II (25-20) | 46-42 | Won 4 |
| » Starters: Jim Ray vs Bob Gibson | Fourth | 11 out |
| Thursday, July 15 |
| » Defeated Expos (34-55), 7-3 | Busch Stadium II (26-20) | 47-42 | Won 5 |
| » Starters: John Strohmayer vs Steve Carlton | Fourth | 11½ out |
| » Lost to Expos (35-55), 6-4 | Busch Stadium II (26-21) | 47-43 | |
| » Starters: Bill Stoneman vs Jerry Reuss | Fourth | 11½ out |
| Friday, July 16 |
| » Defeated Expos (35-56), 6-0 | Busch Stadium II (27-21) | 48-43 | |
| » Starters: Steve Renko vs Reggie Cleveland | Fourth | 11½ out |
| Saturday, July 17 |
| » Lost to Expos (36-56), 5-3 | Busch Stadium II (27-22) | 48-44 | |
| » Starters: Ernie McAnally vs Bob Gibson | Fourth | 12½ out |
| Sunday, July 18 |
| » Defeated Mets (47-43), 8-5 | Busch Stadium II (28-22) | 49-44 | |
| » Starters: Jon Matlack vs Al Santorini | Third | 13 out |
| Monday, July 19 |
| » Lost to Mets (48-43), 5-2 | Busch Stadium II (28-23) | 49-45 | |
| » Starters: Ray Sadecki vs Steve Carlton | Fourth | 13 out |
| Tuesday, July 20 |
| » Lost to Phillies (42-54), 5-1 | Busch Stadium II (28-24) | 49-46 | Lost 2 |
| » Starters: Chris Short vs Jerry Reuss | Fourth | 14 out |
| Wednesday, July 21 |
| » Defeated Phillies (42-55), 6-1 | Busch Stadium II (29-24) | 50-46 | |
| » Starters: Barry Lersch vs Reggie Cleveland | Third | 13 out |
| Thursday, July 22 |
| » Defeated Phillies (42-56), 8-0 | Busch Stadium II (30-24) | 51-46 | Won 2 |
| » Starters: Woodie Fryman vs Bob Gibson | Third | 12 out |
| Friday, July 23 |
| » Defeated Expos (39-59), 6-2 | Parc Jarry (3-0) | 52-46 | Won 3 |
| » Starters: Chuck Taylor vs Dan McGinn | Third | 12 out |
| Saturday, July 24 |
| » Defeated Expos (39-60), 8-7 | Parc Jarry (4-0) | 53-46 | Won 4 |
| » Starters: Steve Carlton vs John Strohmayer | Third | 11½ out |
| » Defeated Expos (39-61), 9-3 | Parc Jarry (5-0) | 54-46 | Won 5 |
| » Starters: Jerry Reuss vs Carl Morton | Third | 11½ out |
| Sunday, July 25 |
| » Lost to Expos (40-61), 5-4 | Parc Jarry (5-1) | 54-47 | |
| » Starters: Reggie Cleveland vs Bill Stoneman | Third | 11 out |
| Monday, July 26 |
| » Defeated Mets (51-47), 4-0 | Shea Stadium (1-2) | 55-47 | |
| » Starters: Bob Gibson vs Ray Sadecki | Third | 10½ out |
| Tuesday, July 27 |
| » Lost to Mets (52-47), 3-2 | Shea Stadium (1-3) | 55-48 | |
| » Starters: Steve Carlton vs Tom Seaver | Third | 10½ out |
| Wednesday, July 28 |
| » Defeated Mets (52-48), 6-3 | Shea Stadium (2-3) | 56-48 | |
| » Starters: Chris Zachary vs Jon Matlack | Third | 10½ out |
| Thursday, July 29 |
| » Defeated Mets (52-49), 3-1 | Shea Stadium (3-3) | 57-48 | Won 2 |
| » Starters: Jerry Reuss vs Nolan Ryan | Third | 10½ out |
| Friday, July 30 |
| » Defeated Phillies (45-61), 4-3 | Veteran's Stadium (3-1) | 58-48 | Won 3 |
| » Starters: Bob Gibson vs Chris Short | Second | 9½ out |
| Saturday, July 31 |
| » Lost to Phillies (46-61), 5-4 | Veteran's Stadium (3-2) | 58-49 | |
| » Starters: Reggie Cleveland vs Ken Reynolds | Second | 9½ out |
| Sunday, August 1 |
| » Defeated Phillies (46-62), 9-6 | Veteran's Stadium (4-2) | 59-49 | |
| » Starters: Chris Zachary vs Woodie Fryman | Second | 8 out |
| Monday, August 2 |
| » Defeated Padres (39-72), 3-1 | Busch Stadium II (31-24) | 60-49 | Won 2 |
| » Starters: Dave Roberts vs Steve Carlton | Second | 7½ out |
| Tuesday, August 3 |
| » Lost to Padres (40-72), 6-1 | Busch Stadium II (31-25) | 60-50 | |
| » Starters: Steve Arlin vs Jerry Reuss | Second | 8½ out |
| Wednesday, August 4 |
| » Defeated Giants (67-46), 7-2 | Busch Stadium II (32-25) | 61-50 | |
| » Starters: Gaylord Perry vs Bob Gibson | Second | 7½ out |
| Thursday, August 5 |
| » Defeated Giants (67-47), 3-2 | Busch Stadium II (33-25) | 62-50 | Won 2 |
| » Starters: Juan Marichal vs Reggie Cleveland | Second | 7½ out |
| Friday, August 6 |
| » Defeated Giants (67-48), 12-8 | Busch Stadium II (34-25) | 63-50 | Won 3 |
| » Starters: John Cumberland vs Chris Zachary | Second | 6½ out |
| Saturday, August 7 |
| » Defeated Dodgers (60-53), 3-2 | Busch Stadium II (35-25) | 64-50 | Won 4 |
| » Starters: Claude Osteen vs Steve Carlton | Second | 5½ out |
| Sunday, August 8 |
| » Lost to Dodgers (61-53), 4-2 | Busch Stadium II (35-26) | 64-51 | |
| » Starters: Don Sutton vs Jerry Reuss | Second | 6 out |
| Monday, August 9 |
| » Lost to Dodgers (62-53), 6-5 | Busch Stadium II (35-27) | 64-52 | Lost 2 |
| » Starters: Al Downing vs Bob Gibson | Second | 6½ out |
| Tuesday, August 10 |
| » Lost to Braves (61-58), 2-1 | Busch Stadium II (35-28) | 64-53 | Lost 3 |
| » Starters: George Stone vs Reggie Cleveland | Third | 6½ out |
| Wednesday, August 11 |
| » Lost to Braves (62-58), 9-3 | Busch Stadium II (35-29) | 64-54 | Lost 4 |
| » Starters: Tom Kelley vs Chris Zachary | Third | 7½ out |
| Thursday, August 12 |
| » Defeated Pirates (71-47), 3-2 | Three Rivers Stadium (2-2) | 65-54 | |
| » Starters: Steve Carlton vs Luke Walker | Third | 6½ out |
| Friday, August 13 |
| » Defeated Pirates (71-48), 2-0 | Three Rivers Stadium (3-2) | 66-54 | Won 2 |
| » Starters: Jerry Reuss vs Steve Blass | Second | 5½ out |
| Saturday, August 14 |
| » Defeated Pirates (71-49), 11-0 | Three Rivers Stadium (4-2) | 67-54 | Won 3 |
| » Starters: Bob Gibson vs Bob Johnson | Second | 4½ out |
| Sunday, August 15 |
| » Defeated Pirates (71-50), 6-4 | Three Rivers Stadium (5-2) | 68-54 | Won 4 |
| » Starters: Reggie Cleveland vs Bruce Kison | Second | 3½ out |
| Monday, August 16 |
| » Lost to Reds (58-65), 6-5 | Riverfront Stadium (1-3) | 68-55 | |
| » Starters: Steve Carlton vs Wayne Simpson | Second | 4½ out |
| Tuesday, August 17 |
| » Lost to Reds (59-65), 5-3 | Riverfront Stadium (1-4) | 68-56 | Lost 2 |
| » Starters: Jerry Reuss vs Gary Nolan | Second | 4½ out |
| Wednesday, August 18 |
| » Lost to Reds (60-65), 5-0 | Riverfront Stadium (1-5) | 68-57 | Lost 3 |
| » Starters: Bob Gibson vs Don Gullett | Third | 5½ out |
| Friday, August 20 |
| » Lost to Braves (66-62), 6-5 | Atlanta-Fulton County Stadium (1-3) | 68-58 | Lost 4 |
| » Starters: Reggie Cleveland vs Pat Jarvis | Third | 6 out |
| Saturday, August 21 |
| » Lost to Braves (67-62), 8-5 | Atlanta-Fulton County Stadium (1-4) | 68-59 | Lost 5 |
| » Starters: Steve Carlton vs George Stone | Third | 6 out |
| Sunday, August 22 |
| » Defeated Braves (67-63), 13-4 | Atlanta-Fulton County Stadium (2-4) | 69-59 | |
| » Starters: Jerry Reuss vs Ron Reed | Third | 5 out |
| Monday, August 23 |
| » Defeated Astros (63-65), 3-2 | Astrodome (3-1) | 70-59 | Won 2 |
| » Starters: Bob Gibson vs Don Wilson | Third | 5½ out |
| Tuesday, August 24 |
| » Defeated Astros (63-66), 2-1 | Astrodome (4-1) | 71-59 | Won 3 |
| » Starters: Reggie Cleveland vs Ken Forsch | Second | 4½ out |
| Wednesday, August 25 |
| » Defeated Astros (63-67), 4-1 | Astrodome (5-1) | 72-59 | Won 4 |
| » Starters: Steve Carlton vs Ron Cook | Second | 4½ out |
| Friday, August 27 |
| » Lost to Reds (66-67), 8-7 | Busch Stadium II (35-30) | 72-60 | |
| » Starters: Wayne Simpson vs Jerry Reuss | Second | 5½ out |
| Saturday, August 28 |
| » Defeated Reds (66-68), 4-0 | Busch Stadium II (36-30) | 73-60 | |
| » Starters: Gary Nolan vs Bob Gibson | Second | 4½ out |
| Sunday, August 29 |
| » Defeated Reds (66-69), 4-3 | Busch Stadium II (37-30) | 74-60 | Won 2 |
| » Starters: Don Gullett vs Reggie Cleveland | Second | 4½ out |
| Monday, August 30 |
| » Defeated Mets (66-65), 3-2 | Busch Stadium II (38-30) | 75-60 | Won 3 |
| » Starters: Jerry Koosman vs Steve Carlton | Second | 4½ out |
| Tuesday, August 31 |
| » Defeated Mets (66-66), 2-1 | Busch Stadium II (39-30) | 76-60 | Won 4 |
| » Starters: Nolan Ryan vs Jerry Reuss | Second | 4½ out |
| Wednesday, September 1 |
| » Lost to Mets (67-66), 7-1 | Busch Stadium II (39-31) | 76-61 | |
| » Starters: Tom Seaver vs Bob Gibson | Second | 5½ out |
| Friday, September 3 |
| » Defeated Cubs (72-65), 6-1 | Busch Stadium II (40-31) | 77-61 | |
| » Starters: Bill Hands vs Reggie Cleveland | Second | 4½ out |
| » Major-league debuts: Billy North (Cubs) |
| Saturday, September 4 |
| » Lost to Cubs (73-65), 7-5 | Busch Stadium II (40-32) | 77-62 | |
| » Starters: Milt Pappas vs Steve Carlton | Second | 5½ out |
| Sunday, September 5 |
| » Defeated Cubs (73-66), 12-5 | Busch Stadium II (41-32) | 78-62 | |
| » Starters: Fergie Jenkins vs Jerry Reuss | Second | 5½ out |
| Monday, September 6 |
| » Defeated Phillies (58-83), 6-3 | Veteran's Stadium (5-2) | 79-62 | Won 2 |
| » Starters: Bob Gibson vs Rick Wise | Second | 6½ out |
| » Lost to Phillies (59-83), 2-1 | Veteran's Stadium (5-3) | 79-63 | |
| » Starters: Chris Zachary vs Bill Champion | Second | 6½ out |
| Tuesday, September 7 |
| » Defeated Phillies (59-84), 7-5 | Veteran's Stadium (6-3) | 80-63 | |
| » Starters: Reggie Cleveland vs Ken Reynolds | Second | 6 out |
| Wednesday, September 8 |
| » Major-league debuts: Richie Zisk (Pirates) |
| Friday, September 10 |
| » Defeated Cubs (73-70), 8-7 | Wrigley Field (3-4) | 81-63 | Won 2 |
| » Starters: Steve Carlton vs Fergie Jenkins | Second | 5½ out |
| Saturday, September 11 |
| » Lost to Cubs (74-70), 7-0 | Wrigley Field (3-5) | 81-64 | |
| » Starters: Jerry Reuss vs Juan Pizarro | Second | 5½ out |
| Sunday, September 12 |
| » Defeated Cubs (74-71), 4-0 | Wrigley Field (4-5) | 82-64 | |
| » Starters: Bob Gibson vs Ken Holtzman | Second | 5½ out |
| Monday, September 13 |
| » Lost to Phillies (60-87), 6-5 | Busch Stadium II (41-33) | 82-65 | |
| » Starters: Ken Reynolds vs Reggie Cleveland | Second | 6½ out |
| Tuesday, September 14 |
| » Lost to Phillies (61-87), 5-4 | Busch Stadium II (41-34) | 82-66 | Lost 2 |
| » Starters: Rick Wise vs Chris Zachary | Second | 7½ out |
| Wednesday, September 15 |
| » Lost to Pirates (91-59), 4-1 | Three Rivers Stadium (5-3) | 82-67 | Lost 3 |
| » Starters: Steve Carlton vs Dock Ellis | Second | 8½ out |
| Thursday, September 16 |
| » Lost to Pirates (92-59), 6-1 | Three Rivers Stadium (5-4) | 82-68 | Lost 4 |
| » Starters: Jerry Reuss vs Luke Walker | Second | 9½ out |
| Friday, September 17 |
| » Defeated Expos (66-83), 7-2 | Parc Jarry (6-1) | 83-68 | |
| » Starters: Bob Gibson vs Carl Morton | Second | 8½ out |
| Saturday, September 18 |
| » Lost to Expos (67-83), 4-2 | Parc Jarry (6-2) | 83-69 | |
| » Starters: Reggie Cleveland vs Bill Stoneman | Second | 9½ out |
| Sunday, September 19 |
| » Defeated Expos (67-84), 11-0 | Parc Jarry (7-2) | 84-69 | |
| » Starters: Steve Carlton vs Ernie McAnally | Second | 8½ out |
| Tuesday, September 21 |
| » Defeated Pirates (93-62), 6-4 | Busch Stadium II (42-34) | 85-69 | Won 2 |
| » Starters: Dock Ellis vs Jerry Reuss | Second | 7½ out |
| Wednesday, September 22 |
|