| Thursday, March 6 |
| Future Phillie Edgar Ramos is born in Cumana, Venezuela. |
| Friday, April 4 |
| Future Phillie Scott Rolen is born in Evansville, IN. |
| Monday, April 7 |
| » Major-league debuts: Jerry Remy (Angels) |
| Tuesday, April 8 |
| » Lost to Mets (1-0), 2-1 | Shea Stadium (0-1) | 0-1 | |
| » W: Tom Seaver (1-0) L: Steve Carlton (0-1) | Third | 1 out |
| Thursday, April 10 |
| » Defeated Mets (1-1), 3-2 | Shea Stadium (1-1) | 1-1 | |
| » W: Ron Schueler (1-0) L: Harry Parker (0-1) S: Cy Acosta (1) | Third | ½ out |
| » Major-league debuts: Rick Baldwin (Mets) |
| Friday, April 11 |
| » Lost to Cardinals (3-1), 6-3 | Veteran's Stadium (0-1) | 1-2 | |
| » W: Lynn McGlothen (1-0) L: Wayne Twitchell (0-1) S: Al Hrabosky (2) | Fourth | 1½ out |
| Saturday, April 12 |
| » Lost to Cardinals (4-1), 7-5 | Veteran's Stadium (0-2) | 1-3 | Lost 2 |
| » W: Mike Garman (1-0) L: Gene Garber (0-1) | Fifth | 2 out |
| Sunday, April 13 |
| » Defeated Cardinals (4-2), 2-0 | Veteran's Stadium (1-2) | 2-3 | |
| » W: Tom Underwood (1-0) L: Bob Forsch (1-1) | Fourth | 2 out |
| Monday, April 14 |
| » Defeated Mets (1-4), 4-3 | Veteran's Stadium (2-2) | 3-3 | Won 2 |
| » W: Gene Garber (1-1) L: Jerry Cram (0-1) | Fourth | 1½ out |
| » Major-league debuts: Randy Tate (Mets) |
| Wednesday, April 16 |
| » Lost to Cubs (5-1), 9-3 | Veteran's Stadium (2-3) | 3-4 | |
| » W: Bill Bonham (1-0) L: Steve Carlton (0-2) | Fourth | 2½ out |
| Thursday, April 17 |
| » Lost to Cubs (6-1), 10-9 | Veteran's Stadium (2-4) | 3-5 | Lost 2 |
| » W: Ken Frailing (1-1) L: Wayne Twitchell (0-2) | Fourth | 3½ out |
| Friday, April 18 |
| » Defeated Expos (3-6), 6-3 | Parc Jarry (1-0) | 4-5 | |
| » W: Tom Underwood (2-0) L: Steve Renko (0-1) S: Gene Garber (1) | Third | 3 out |
| Saturday, April 19 |
| » Defeated Expos (3-7), 3-0 | Parc Jarry (2-0) | 5-5 | Won 2 |
| » W: Jim Lonborg (1-0) L: Dennis Blair (0-2) | Fourth | 3 out |
| Tuesday, April 22 |
| » Defeated Cubs (7-4), 7-5 | Wrigley Field (1-0) | 6-5 | Won 3 |
| » W: Wayne Twitchell (1-2) L: Bill Bonham (1-1) | Second | 1 out |
| Wednesday, April 23 |
| » Lost to Cubs (8-4), 9-3 | Wrigley Field (1-1) | 6-6 | |
| » W: Ray Burris (2-0) L: Tom Underwood (2-1) S: Oscar Zamora (1) | Second | 2 out |
| Thursday, April 24 |
| » Lost to Cubs (9-4), 4-1 | Wrigley Field (1-2) | 6-7 | Lost 2 |
| » W: Steve Stone (3-0) L: Jim Lonborg (1-1) | Third | 3 out |
| Friday, April 25 |
| » Lost to Pirates (6-6), 3-2 | Three Rivers Stadium (0-1) | 6-8 | Lost 3 |
| » W: Bruce Kison (2-0) L: Steve Carlton (0-3) S: Dave Giusti (2) | Fourth | 4 out |
| Saturday, April 26 |
| » Lost to Pirates (7-6), 7-3 | Three Rivers Stadium (0-2) | 6-9 | Lost 4 |
| » W: Jim Rooker (2-0) L: Wayne Twitchell (1-3) | Third | 5 out |
| Sunday, April 27 |
| » Lost to Pirates (8-6), 2-0 | Three Rivers Stadium (0-3) | 6-10 | Lost 5 |
| » W: Dock Ellis (1-2) L: Tom Underwood (2-2) | Fourth | 5½ out |
| Tuesday, April 29 |
| » Defeated Expos (5-10), 5-0 | Veteran's Stadium (3-4) | 7-10 | |
| » W: Jim Lonborg (2-1) L: Dennis Blair (0-3) | Fifth | 4½ out |
| Wednesday, April 30 |
| » Defeated Expos (5-11), 2-1 | Veteran's Stadium (4-4) | 8-10 | Won 2 |
| » W: Steve Carlton (1-3) L: Steve Rogers (0-4) | Third | 4½ out |
| Friday, May 2 |
| » Defeated Pirates (9-8), 9-5 | Veteran's Stadium (5-4) | 9-10 | Won 3 |
| » W: Wayne Twitchell (2-3) L: Bruce Kison (2-1) S: Tug McGraw (1) | Fourth | 4 out |
| Saturday, May 3 |
| » Defeated Pirates (9-9), 6-2 | Veteran's Stadium (6-4) | 10-10 | Won 4 |
| » W: Tom Underwood (3-2) L: Jim Rooker (2-1) S: Gene Garber (2) | Third | 3½ out |
| » Defeated Pirates (9-10), 4-3 | Veteran's Stadium (7-4) | 11-10 | Won 5 |
| » W: Tug McGraw (1-0) L: Ramon Hernandez (0-1) | Third | 3½ out |
| Monday, May 5 |
| » Lost to Cardinals (9-12), 11-3 | Busch Stadium II (0-1) | 11-11 | |
| » W: Bob Gibson (1-3) L: Steve Carlton (1-4) | Third | 4 out |
| Wednesday, May 7 |
| » Defeated Cardinals (9-13), 4-1 | Busch Stadium II (1-1) | 12-11 | |
| » W: Wayne Twitchell (3-3) L: Bob Forsch (2-3) S: Tug McGraw (2) | Third | 3½ out |
| Thursday, May 8 |
| » Defeated Cardinals (9-14), 6-2 | Busch Stadium II (2-1) | 13-11 | Won 2 |
| » W: Jim Lonborg (3-1) L: John Denny (2-2) | Third | 3 out |
| Friday, May 9 |
| » Lost to Braves (15-16), 3-1 | Atlanta-Fulton County Stadium (0-1) | 13-12 | |
| » W: Roric Harrison (2-1) L: Tom Underwood (3-3) | Third | 4 out |
| Saturday, May 10 |
| » Lost to Braves (16-16), 2-1 | Atlanta-Fulton County Stadium (0-2) | 13-13 | Lost 2 |
| » W: Phil Niekro (2-3) L: Gene Garber (1-2) | Third | 5 out |
| Sunday, May 11 |
| » Lost to Braves (17-16), 7-3 | Atlanta-Fulton County Stadium (0-3) | 13-14 | Lost 3 |
| » W: Buzz Capra (3-4) L: Wayne Twitchell (3-4) | Third | 5 out |
| Tuesday, May 13 |
| » Defeated Reds (18-15), 4-0 | Veteran's Stadium (8-4) | 14-14 | |
| » W: Tom Underwood (4-3) L: Gary Nolan (1-3) | Third | 5 out |
| Wednesday, May 14 |
| » Defeated Reds (18-16), 4-0 | Veteran's Stadium (9-4) | 15-14 | Won 2 |
| » W: Steve Carlton (2-4) L: Pat Darcy (1-2) | Third | 4 out |
| Thursday, May 15 |
| » Defeated Reds (18-17), 6-3 | Veteran's Stadium (10-4) | 16-14 | Won 3 |
| » W: Tug McGraw (2-0) L: Don Gullett (4-2) | Third | 3½ out |
| » Defeated Reds (18-18), 5-3 | Veteran's Stadium (11-4) | 17-14 | Won 4 |
| » W: Gene Garber (2-2) L: Clay Carroll (3-4) S: Tug McGraw (3) | Third | 3½ out |
| Friday, May 16 |
| » Defeated Braves (19-19), 12-8 | Veteran's Stadium (12-4) | 18-14 | Won 5 |
| » W: Gene Garber (3-2) L: Buzz Capra (3-5) | Third | 2½ out |
| Saturday, May 17 |
| » Defeated Braves (19-20), 9-8 | Veteran's Stadium (13-4) | 19-14 | Won 6 |
| » W: Gene Garber (4-2) L: Phil Niekro (3-4) | Second | 1½ out |
| Sunday, May 18 |
| » Defeated Braves (19-21), 5-1 | Veteran's Stadium (14-4) | 20-14 | Won 7 |
| » W: Tom Underwood (5-3) L: Ron Reed (4-4) | Second | 1½ out |
| Monday, May 19 |
| » Lost to Astros (14-27), 4-2 | Astrodome (0-1) | 20-15 | |
| » W: Tom Griffin (2-5) L: Steve Carlton (2-5) S: Wayne Granger (4) | Second | 1½ out |
| Tuesday, May 20 |
| » Lost to Astros (15-27), 4-2 | Astrodome (0-2) | 20-16 | Lost 2 |
| » W: Ken Forsch (2-2) L: Tug McGraw (2-1) S: Joe Niekro (2) | Second | 2½ out |
| Wednesday, May 21 |
| » Lost to Astros (16-27), 4-0 | Astrodome (0-3) | 20-17 | Lost 3 |
| » W: Larry Dierker (5-4) L: Wayne Twitchell (3-5) | Second | 2½ out |
| Friday, May 23 |
| » Lost to Reds (22-20), 5-2 | Riverfront Stadium (0-1) | 20-18 | Lost 4 |
| » W: Gary Nolan (3-3) L: Larry Christenson (0-1) S: Clay Carroll (3) | Second | 2 out |
| Saturday, May 24 |
| » Lost to Reds (23-20), 3-2 | Riverfront Stadium (0-2) | 20-19 | Lost 5 |
| » W: Clay Carroll (4-4) L: Tug McGraw (2-2) | Third | 2 out |
| Sunday, May 25 |
| » Lost to Reds (24-20), 4-3 | Riverfront Stadium (0-3) | 20-20 | Lost 6 |
| » W: Clay Kirby (3-3) L: Jim Lonborg (3-2) S: Rawly Eastwick (1) | Fourth | 2 out |
| Monday, May 26 |
| » Defeated Giants (22-20), 1-0 | Veteran's Stadium (15-4) | 21-20 | |
| » W: Tug McGraw (3-2) L: Ed Halicki (1-1) | Fourth | 2 out |
| Future Phillie Travis Lee is born in San Diego, CA. |
| Tuesday, May 27 |
| » Lost to Giants (23-20), 1-0 | Veteran's Stadium (15-5) | 21-21 | |
| » W: John Montefusco (3-2) L: Gene Garber (4-3) | Fourth | 2 out |
| Wednesday, May 28 |
| » Defeated Giants (23-21), 8-6 | Veteran's Stadium (16-5) | 22-21 | |
| » W: Steve Carlton (3-5) L: Pete Falcone (4-4) S: Tug McGraw (4) | Fourth | 2 out |
| Friday, May 30 |
| » Lost to Astros (19-31), 5-0 | Veteran's Stadium (16-6) | 22-22 | |
| » W: Doug Konieczny (3-6) L: Jim Lonborg (3-3) | Fourth | 2½ out |
| Saturday, May 31 |
| » Lost to Astros (20-31), 15-3 | Veteran's Stadium (16-7) | 22-23 | Lost 2 |
| » W: J.R. Richard (4-3) L: Wayne Twitchell (3-6) | Fourth | 3½ out |
| Sunday, June 1 |
| » Defeated Astros (20-32), 5-4 | Veteran's Stadium (17-7) | 23-23 | |
| » W: Tom Underwood (6-3) L: Larry Dierker (5-5) S: Larry Christenson (1) | Fourth | 3 out |
| Monday, June 2 |
| » Defeated Padres (25-25), 5-1 | Veteran's Stadium (18-7) | 24-23 | Won 2 |
| » W: Steve Carlton (4-5) L: Dave Freisleben (3-6) | Fourth | 2½ out |
| Tuesday, June 3 |
| » Defeated Padres (25-26), 12-1 | Veteran's Stadium (19-7) | 25-23 | Won 3 |
| » W: Jim Lonborg (4-3) L: Dan Spillner (2-6) | Fourth | 2½ out |
| Wednesday, June 4 |
| » Defeated Padres (25-27), 7-2 | Veteran's Stadium (20-7) | 26-23 | Won 4 |
| » W: Wayne Twitchell (4-6) L: Randy Jones (7-3) S: Tug McGraw (5) | Fourth | 1½ out |
| Friday, June 6 |
| » Lost to Dodgers (33-22), 3-2 | Veteran's Stadium (20-8) | 26-24 | |
| » W: Burt Hooton (4-5) L: Tom Underwood (6-4) S: Mike Marshall (2) | Fourth | 2 out |
| Saturday, June 7 |
| » Defeated Dodgers (33-23), 4-0 | Veteran's Stadium (21-8) | 27-24 | |
| » W: Steve Carlton (5-5) L: Doug Rau (5-6) | Fourth | 2 out |
| Sunday, June 8 |
| » Defeated Dodgers (33-24), 4-2 | Veteran's Stadium (22-8) | 28-24 | Won 2 |
| » W: Jim Lonborg (5-3) L: Don Sutton (10-4) | Third | 1½ out |
| Monday, June 9 |
| » Lost to Padres (27-28), 8-3 | San Diego/Jack Murphy Stadium (0-1) | 28-25 | |
| » W: Randy Jones (8-3) L: Wayne Twitchell (4-7) | Fourth | 1½ out |
| Tuesday, June 10 |
| » Defeated Padres (27-29), 7-0 | San Diego/Jack Murphy Stadium (1-1) | 29-25 | |
| » W: Larry Christenson (1-1) L: Dan Spillner (2-7) | Third | 1½ out |
| Wednesday, June 11 |
| » Lost to Giants (29-27), 8-3 | Candlestick Park (0-1) | 29-26 | |
| » W: Mike Caldwell (3-5) L: Tom Underwood (6-5) | Third | 1½ out |
| Thursday, June 12 |
| » Defeated Giants (29-28), 4-1 | Candlestick Park (1-1) | 30-26 | |
| » W: Steve Carlton (6-5) L: Ed Halicki (2-2) | Third | 1½ out |
| Friday, June 13 |
| » Defeated Dodgers (34-28), 5-1 | Dodger Stadium (1-0) | 31-26 | Won 2 |
| » W: Jim Lonborg (6-3) L: Andy Messersmith (9-3) | Third | 1½ out |
| Saturday, June 14 |
| » Lost to Dodgers (35-28), 4-3 | Dodger Stadium (1-1) | 31-27 | |
| » W: Burt Hooton (5-5) L: Tug McGraw (3-3) S: Mike Marshall (3) | Third | 2½ out |
| Sunday, June 15 |
| » Defeated Dodgers (35-29), 4-3 | Dodger Stadium (2-1) | 32-27 | |
| » W: Gene Garber (5-3) L: Mike Marshall (2-5) | Third | 2½ out |
| Monday, June 16 |
| » Lost to Cubs (31-30), 9-7 | Wrigley Field (1-3) | 32-28 | |
| » W: Geoff Zahn (2-4) L: Gene Garber (5-4) S: Ken Frailing (1) | Third | 3½ out |
| Tuesday, June 17 |
| » Lost to Cubs (32-30), 9-5 | Wrigley Field (1-4) | 32-29 | Lost 2 |
| » W: Tom Dettore (1-0) L: Jim Lonborg (6-4) | Third | 3½ out |
| Future Phillie Mark Brownson is born in Lake Worth, FL. |
| Wednesday, June 18 |
| » Defeated Cubs (32-31), 9-7 | Wrigley Field (2-4) | 33-29 | |
| » W: Gene Garber (6-4) L: Bob Locker (0-1) | Third | 3½ out |
| Thursday, June 19 |
| » Defeated Cubs (32-32), 6-3 | Wrigley Field (3-4) | 34-29 | Won 2 |
| » W: Tug McGraw (4-3) L: Darold Knowles (2-3) | Third | 3½ out |
| Friday, June 20 |
| » Defeated Expos (26-33), 7-4 | Veteran's Stadium (23-8) | 35-29 | Won 3 |
| » W: Tom Underwood (7-5) L: Steve Renko (2-6) S: Tug McGraw (6) | Second | 3½ out |
| Saturday, June 21 |
| » Lost to Expos (27-33), 5-1 | Veteran's Stadium (23-9) | 35-30 | |
| » W: Dennis Blair (4-8) L: Jim Lonborg (6-5) | Second | 4½ out |
| Sunday, June 22 |
| » Lost to Expos (28-33), 4-0 | Veteran's Stadium (23-10) | 35-31 | Lost 2 |
| » W: Steve Rogers (5-4) L: Ron Schueler (1-1) | Second | 5 out |
| » Defeated Expos (28-34), 4-3 | Veteran's Stadium (24-10) | 36-31 | |
| » W: Gene Garber (7-4) L: Chuck Taylor (1-2) | Second | 5 out |
| Monday, June 23 |
| » Defeated Pirates (39-25), 6-5 | Veteran's Stadium (25-10) | 37-31 | Won 2 |
| » W: Tom Hilgendorf (1-0) L: Larry Demery (3-2) S: Gene Garber (3) | Second | 4 out |
| Tuesday, June 24 |
| » Defeated Pirates (39-26), 6-3 | Veteran's Stadium (26-10) | 38-31 | Won 3 |
| » W: Larry Christenson (2-1) L: Jerry Reuss (8-5) S: Tug McGraw (7) | Second | 2 out |
| » Defeated Pirates (39-27), 8-1 | Veteran's Stadium (27-10) | 39-31 | Won 4 |
| » W: Tom Underwood (8-5) L: Bruce Kison (7-3) | Second | 2 out |
| Wednesday, June 25 |
| » Defeated Pirates (39-28), 7-6 | Veteran's Stadium (28-10) | 40-31 | Won 5 |
| » W: Ron Schueler (2-1) L: Dave Giusti (2-3) | Second | 2 out |
| Friday, June 27 |
| » Lost to Mets (35-32), 4-2 | Shea Stadium (1-2) | 40-32 | |
| » W: Jon Matlack (9-5) L: Wayne Twitchell (4-8) | Second | 3 out |
| Saturday, June 28 |
| » Lost to Mets (36-32), 5-2 | Shea Stadium (1-3) | 40-33 | Lost 2 |
| » W: Randy Tate (3-6) L: Steve Carlton (6-6) | Second | 3 out |
| Sunday, June 29 |
| » Defeated Mets (36-33), 9-6 | Shea Stadium (2-3) | 41-33 | |
| » W: Larry Christenson (3-1) L: Jerry Koosman (6-6) S: Tug McGraw (8) | Second | 3 out |
| » Defeated Mets (36-34), 4-3 | Shea Stadium (3-3) | 42-33 | Won 2 |
| » W: Tug McGraw (5-3) L: Tom Hall (1-2) | Second | 3 out |
| Monday, June 30 |
| » Lost to Cardinals (36-37), 4-2 | Veteran's Stadium (28-11) | 42-34 | |
| » W: Bob Forsch (8-6) L: Jim Lonborg (6-6) S: Al Hrabosky (11) | Second | 4 out |
| Tuesday, July 1 |
| » Lost to Cardinals (37-37), 6-5 | Veteran's Stadium (28-12) | 42-35 | Lost 2 |
| » W: Lynn McGlothen (10-5) L: Wayne Twitchell (4-9) S: Al Hrabosky (12) | Second | 5 out |
| Wednesday, July 2 |
| » Defeated Cardinals (37-38), 5-3 | Veteran's Stadium (29-12) | 43-35 | |
| » W: Steve Carlton (7-6) L: Ron Reed (8-8) | Second | 4½ out |
| Thursday, July 3 |
| » Defeated Cardinals (37-39), 7-4 | Veteran's Stadium (30-12) | 44-35 | Won 2 |
| » W: Tom Underwood (9-5) L: Bob Gibson (2-7) | Second | 4½ out |
| Friday, July 4 |
| » Lost to Mets (40-35), 4-3 | Veteran's Stadium (30-13) | 44-36 | |
| » W: Tom Seaver (12-4) L: Tug McGraw (5-4) S: Rick Baldwin (4) | Second | 4 out |
| Saturday, July 5 |
| » Defeated Mets (40-36), 8-2 | Veteran's Stadium (31-13) | 45-36 | |
| » W: Ron Schueler (3-1) L: Randy Tate (3-7) | Second | 3½ out |
| » Defeated Mets (40-37), 10-7 | Veteran's Stadium (32-13) | 46-36 | Won 2 |
| » W: Jim Lonborg (7-6) L: Nino Espinosa (0-1) S: Gene Garber (4) | Second | 3½ out |
| Sunday, July 6 |
| » Defeated Mets (40-38), 8-6 | Veteran's Stadium (33-13) | 47-36 | Won 3 |
| » W: Wayne Twitchell (5-9) L: Jon Matlack (10-6) S: Gene Garber (5) | Second | 3½ out |
| Monday, July 7 |
| » Lost to Reds (55-29), 7-3 | Riverfront Stadium (0-4) | 47-37 | |
| » W: Pat Darcy (4-5) L: Steve Carlton (7-7) | Second | 4½ out |
| Tuesday, July 8 |
| » Lost to Reds (56-29), 2-1 | Riverfront Stadium (0-5) | 47-38 | Lost 2 |
| » W: Gary Nolan (8-5) L: Tom Underwood (9-6) S: Rawly Eastwick (4) | Second | 4½ out |
| Wednesday, July 9 |
| » Lost to Reds (57-29), 9-7 | Riverfront Stadium (0-6) | 47-39 | Lost 3 |
| » W: Pedro Borbon (5-1) L: Gene Garber (7-5) | Second | 5½ out |
| Friday, July 11 |
| » Defeated Astros (32-58), 2-1 | Astrodome (1-3) | 48-39 | |
| » W: Larry Christenson (4-1) L: Doug Konieczny (4-10) | Second | 6½ out |
| Saturday, July 12 |
| » Defeated Astros (32-59), 14-2 | Astrodome (2-3) | 49-39 | Won 2 |
| » W: Steve Carlton (8-7) L: J.R. Richard (6-4) | Second | 6½ out |
| Sunday, July 13 |
| » Lost to Astros (33-59), 9-5 | Astrodome (2-4) | 49-40 | |
| » W: Ken Forsch (3-6) L: Tom Underwood (9-7) S: Dave Roberts (1) | Second | 6½ out |
| Thursday, July 17 |
| » Defeated Astros (33-60), 6-5 | Veteran's Stadium (34-13) | 50-40 | |
| » W: Tug McGraw (6-4) L: Ken Forsch (3-7) | Second | 6½ out |
| Friday, July 18 |
| » Defeated Astros (33-61), 7-4 | Veteran's Stadium (35-13) | 51-40 | Won 2 |
| » W: Tom Hilgendorf (2-0) L: J.R. Richard (6-5) S: Gene Garber (6) | Second | 5½ out |
| Saturday, July 19 |
| » Defeated Astros (33-62), 1-0 | Veteran's Stadium (36-13) | 52-40 | Won 3 |
| » W: Larry Christenson (5-1) L: Larry Dierker (8-10) | Second | 5½ out |
| Sunday, July 20 |
| » Defeated Reds (62-32), 11-4 | Veteran's Stadium (37-13) | 53-40 | Won 4 |
| » W: Tom Underwood (10-7) L: Clay Kirby (7-4) S: Gene Garber (7) | Second | 5 out |
| Monday, July 21 |
| » Lost to Reds (63-32), 10-4 | Veteran's Stadium (37-14) | 53-41 | |
| » W: Pat Darcy (5-5) L: Ron Schueler (3-2) | Second | 5 out |
| Tuesday, July 22 |
| » Defeated Braves (43-53), 1-0 | Veteran's Stadium (38-14) | 54-41 | |
| » W: Steve Carlton (9-7) L: Carl Morton (12-10) | Second | 4 out |
| Wednesday, July 23 |
| » Defeated Braves (43-54), 3-2 | Veteran's Stadium (39-14) | 55-41 | Won 2 |
| » W: Jim Lonborg (8-6) L: Bruce Dal Canton (0-4) | Second | 4 out |
| Thursday, July 24 |
| » Lost to Braves (44-54), 5-4 | Veteran's Stadium (39-15) | 55-42 | |
| » W: Phil Niekro (10-7) L: Larry Christenson (5-2) | Second | 4½ out |
| Friday, July 25 |
| » Lost to Cardinals (49-47), 4-3 | Busch Stadium II (2-2) | 55-43 | Lost 2 |
| » W: Al Hrabosky (9-2) L: Gene Garber (7-6) | Second | 5 out |
| » Defeated Cardinals (49-48), 5-2 | Busch Stadium II (3-2) | 56-43 | |
| » W: Ron Schueler (4-2) L: Jack Curtis (6-8) S: Tug McGraw (9) | Second | 5 out |
| Saturday, July 26 |
| » Defeated Cardinals (49-49), 9-4 | Busch Stadium II (4-2) | 57-43 | Won 2 |
| » W: Steve Carlton (10-7) L: Eric Rasmussen (1-1) | Second | 4 out |
| Sunday, July 27 |
| » Lost to Cardinals (50-49), 9-6 | Busch Stadium II (4-3) | 57-44 | |
| » W: Bob Gibson (3-8) L: Tom Hilgendorf (2-1) S: Mike Garman (8) | Second | 5½ out |
| Monday, July 28 |
| » Defeated Pirates (62-39), 5-2 | Three Rivers Stadium (1-3) | 58-44 | |
| » W: Larry Christenson (6-2) L: Bruce Kison (9-6) | Second | 4½ out |
| Tuesday, July 29 |
| » Defeated Pirates (62-40), 5-1 | Three Rivers Stadium (2-3) | 59-44 | Won 2 |
| » W: Tom Underwood (11-7) L: Dock Ellis (7-7) | Second | 3½ out |
| » Major-league debuts: Willie Randolph (Pirates) |
| Wednesday, July 30 |
| » Lost to Pirates (63-40), 8-1 | Three Rivers Stadium (2-4) | 59-45 | |
| » W: Jerry Reuss (12-6) L: Steve Carlton (10-8) | Second | 4½ out |
| Thursday, July 31 |
| » Lost to Expos (42-58), 7-4 | Parc Jarry (2-1) | 59-46 | Lost 2 |
| » W: Dan Warthen (5-4) L: Ron Schueler (4-3) S: Dale Murray (5) | Second | 4½ out |
| Friday, August 1 |
| » Defeated Expos (42-59), 8-6 | Parc Jarry (3-1) | 60-46 | |
| » W: Gene Garber (8-6) L: Dale Murray (4-5) | Second | 4 out |
| » Lost to Expos (43-59), 6-4 | Parc Jarry (3-2) | 60-47 | |
| » W: Fred Scherman (2-4) L: Tom Hilgendorf (2-2) S: Dale Murray (6) | Second | 4 out |
| Saturday, August 2 |
| » Lost to Expos (44-59), 4-3 | Parc Jarry (3-3) | 60-48 | Lost 2 |
| » W: Dale Murray (5-5) L: Tom Underwood (11-8) | Second | 4 out |
| Sunday, August 3 |
| » Defeated Expos (44-60), 5-4 | Parc Jarry (4-3) | 61-48 | |
| » W: Tug McGraw (7-4) L: Dale Murray (5-6) S: Gene Garber (8) | Second | 4½ out |
| Monday, August 4 |
| » Lost to Cubs (51-61), 3-2 | Veteran's Stadium (39-16) | 61-49 | |
| » W: Steve Stone (9-5) L: Tom Hilgendorf (2-3) S: Paul Reuschel (1) | Second | 4½ out |
| Tuesday, August 5 |
| » Defeated Cubs (51-62), 13-5 | Veteran's Stadium (40-16) | 62-49 | |
| » W: Dick Ruthven (1-0) L: Bill Bonham (10-8) | Second | 4½ out |
| Thursday, August 7 |
| » Lost to Cubs (52-62), 5-3 | Veteran's Stadium (40-17) | 62-50 | |
| » W: Rick Reuschel (8-12) L: Larry Christenson (6-3) | Second | 4 out |
| Friday, August 8 |
| » Defeated Giants (55-58), 5-4 | Veteran's Stadium (41-17) | 63-50 | |
| » W: Gene Garber (9-6) L: Randy Moffitt (4-4) | Second | 3 out |
| Saturday, August 9 |
| » Defeated Giants (55-59), 11-4 | Veteran's Stadium (42-17) | 64-50 | Won 2 |
| » W: Steve Carlton (11-8) L: John Montefusco (10-6) | Second | 2 out |
| Sunday, August 10 |
| » Lost to Giants (56-59), 8-1 | Veteran's Stadium (42-18) | 64-51 | |
| » W: Jim Barr (10-9) L: Dick Ruthven (1-1) | Second | 2 out |
| Monday, August 11 |
| » Lost to Dodgers (62-55), 7-1 | Veteran's Stadium (42-19) | 64-52 | Lost 2 |
| » W: Andy Messersmith (14-11) L: Larry Christenson (6-4) | Second | 3 out |
| Tuesday, August 12 |
| » Lost to Dodgers (63-55), 7-6 | Veteran's Stadium (42-20) | 64-53 | Lost 3 |
| » W: Mike Marshall (8-11) L: Gene Garber (9-7) | Second | 3 out |
| Wednesday, August 13 |
| » Lost to Dodgers (64-55), 5-4 | Veteran's Stadium (42-21) | 64-54 | Lost 4 |
| » W: Burt Hooton (10-9) L: Steve Carlton (11-9) S: Mike Marshall (10) | Second | 3 out |
| Friday, August 15 |
| » Defeated Padres (54-65), 4-3 | Veteran's Stadium (43-21) | 65-54 | |
| » W: Tom Hilgendorf (3-3) L: Joe McIntosh (8-11) S: Tug McGraw (10) | Second | 1½ out |
| Saturday, August 16 |
| » Lost to Padres (55-65), 5-1 | Veteran's Stadium (43-22) | 65-55 | |
| » W: Randy Jones (16-7) L: Tug McGraw (7-5) | Second | 1½ out |
| Sunday, August 17 |
| » Defeated Padres (55-66), 10-4 | Veteran's Stadium (44-22) | 66-55 | |
| » W: Tom Underwood (12-8) L: Dave Freisleben (5-13) S: Gene Garber (9) | Second | ½ out |
| Monday, August 18 |
| » Defeated Braves (55-70), 6-3 | Atlanta-Fulton County Stadium (1-3) | 67-55 | Won 2 |
| » W: Tom Hilgendorf (4-3) L: Phil Niekro (12-11) | First | -- |
| Tuesday, August 19 |
| » Lost to Braves (56-70), 6-4 | Atlanta-Fulton County Stadium (1-4) | 67-56 | |
| » W: Max Leon (2-1) L: Gene Garber (9-8) | Second | 1 out |
| Wednesday, August 20 |
| » Defeated Braves (56-71), 4-1 | Atlanta-Fulton County Stadium (2-4) | 68-56 | |
| » W: Larry Christenson (7-4) L: Carl Morton (15-13) S: Tug McGraw (11) | Second | 1 out |
| Friday, August 22 |
| » Defeated Padres (57-69), 6-5 | San Diego/Jack Murphy Stadium (2-1) | 69-56 | Won 2 |
| » W: Tom Hilgendorf (5-3) L: Bill Greif (3-5) S: Gene Garber (10) | Second | 1½ out |
| Saturday, August 23 |
| » Lost to Padres (58-69), 8-3 | San Diego/Jack Murphy Stadium (2-2) | 69-57 | |
| » W: Dan Spillner (5-10) L: Steve Carlton (11-10) S: Danny Frisella (8) | Second | 1½ out |
| Sunday, August 24 |
| » Lost to Padres (59-69), 7-2 | San Diego/Jack Murphy Stadium (2-3) | 69-58 | Lost 2 |
| » W: Randy Jones (17-7) L: Dick Ruthven (1-2) | Second | 3 out |
| » Lost to Padres (60-69), 7-6 | San Diego/Jack Murphy Stadium (2-4) | 69-59 | Lost 3 |
| » W: Bill Greif (4-5) L: Ron Schueler (4-4) | Second | 3 out |
| Monday, August 25 |
| » Defeated Dodgers (68-62), 4-2 | Dodger Stadium (3-1) | 70-59 | |
| » W: Larry Christenson (8-4) L: Andy Messersmith (14-13) S: Gene Garber (11) | Second | 3 out |
| Tuesday, August 26 |
| » Lost to Dodgers (69-62), 8-1 | Dodger Stadium (3-2) | 70-60 | |
| » W: Doug Rau (11-9) L: Tom Underwood (12-9) | Third | 4 out |
| Wednesday, August 27 |
| » Lost to Dodgers (70-62), 10-0 | Dodger Stadium (3-3) | 70-61 | Lost 2 |
| » W: Burt Hooton (13-9) L: Steve Carlton (11-11) | Third | 4 out |
| Thursday, August 28 |
| » Defeated Giants (65-67), 8-5 | Candlestick Park (2-1) | 71-61 | |
| » W: Tom Hilgendorf (6-3) L: Jim Barr (11-12) | Second | 3½ out |
| Friday, August 29 |
| » Defeated Giants (65-68), 3-1 | Candlestick Park (3-1) | 72-61 | Won 2 |
| » W: Larry Christenson (9-4) L: Ed Halicki (8-11) S: Tug McGraw (12) | Second | 3 out |
| Saturday, August 30 |
| » Lost to Giants (66-68), 4-1 | Candlestick Park (3-2) | 72-62 | |
| » W: Pete Falcone (10-9) L: Tom Underwood (12-10) | Second | 3 out |
| Sunday, August 31 |
| » Lost to Giants (67-68), 5-4 | Candlestick Park (3-3) | 72-63 | Lost 2 |
| » W: John Montefusco (12-7) L: Steve Carlton (11-12) S: Charlie Williams (3) | Second | 4 out |
| Monday, September 1 |
| » Lost to Expos (59-75), 6-5 | Veteran's Stadium (44-23) | 72-64 | Lost 3 |
| » W: Dale Murray (10-7) L: Gene Garber (9-9) | Third | 4 out |
| Tuesday, September 2 |
| » Lost to Expos (60-75), 4-3 | Veteran's Stadium (44-24) | 72-65 | Lost 4 |
| » W: Dennis Blair (8-14) L: Larry Christenson (9-5) S: Dale Murray (9) | Third | 5 out |
| Wednesday, September 3 |
| » Defeated Expos (60-76), 6-3 | Veteran's Stadium (45-24) | 73-65 | |
| » W: Tom Underwood (13-10) L: Don Carrithers (2-2) S: Gene Garber (12) | Second | 5 out |
| » Major-league debuts: Ellis Valentine (Expos) |
| Thursday, September 4 |
| » Major-league debuts: Chris Knapp and Ken Kravec (White Sox) Jamie Quirk (Royals) |
| Friday, September 5 |
| » Lost to Cubs (65-75), 4-3 | Veteran's Stadium (45-25) | 73-66 | |
| » W: Bill Bonham (12-13) L: Steve Carlton (11-13) S: Paul Reuschel (4) | Second | 5 out |
| » Defeated Cubs (65-76), 6-3 | Veteran's Stadium (46-25) | 74-66 | |
| » W: Tug McGraw (8-5) L: Paul Reuschel (1-2) | Second | 5 out |
| Saturday, September 6 |
| » Lost to Cubs (66-76), 7-6 | Veteran's Stadium (46-26) | 74-67 | |
| » W: Steve Stone (12-7) L: Gene Garber (9-10) S: Darold Knowles (12) | Third | 6 out |
| Sunday, September 7 |
| » Lost to Cubs (67-76), 6-4 | Veteran's Stadium (46-27) | 74-68 | Lost 2 |
| » W: Ray Burris (13-10) L: Wayne Twitchell (5-10) S: Rick Reuschel (1) | Third | 7 out |
| Monday, September 8 |
| » Defeated Cardinals (75-67), 6-3 | Veteran's Stadium (47-27) | 75-68 | |
| » W: Tom Underwood (14-10) L: Ron Reed (12-10) S: Tug McGraw (13) | Third | 7 out |
| Tuesday, September 9 |
| » Defeated Cardinals (75-68), 6-2 | Veteran's Stadium (48-27) | 76-68 | Won 2 |
| » W: Steve Carlton (12-13) L: John Denny (9-5) | Second | 6 out |
| Wednesday, September 10 |
| » Defeated Expos (64-80), 5-1 | Parc Jarry (5-3) | 77-68 | Won 3 |
| » W: Wayne Simpson (1-0) L: Steve Renko (5-12) S: Gene Garber (13) | Second | 6 out |
| Former Phillie Lance Richbourg dies in Crestview, FL at the age of 78. |
| Thursday, September 11 |
| » Defeated Expos (64-81), 5-0 | Parc Jarry (6-3) | 78-68 | Won 4 |
| » W: Larry Christenson (10-5) L: Steve Rogers (10-11) | Second | 5 out |
| Friday, September 12 |
| » Major-league debuts: Roy Staiger (Mets) |
| Saturday, September 13 |
| » Lost to Cubs (71-77), 4-1 | Wrigley Field (3-5) | 78-69 | |
| » W: Ray Burris (14-10) L: Tom Underwood (14-11) | Second | 5½ out |
| Sunday, September 14 |
| » Defeated Cubs (71-78), 13-7 | Wrigley Field (4-5) | 79-69 | |
| » W: Steve Carlton (13-13) L: Steve Stone (12-8) | Second | 5½ out |
| » Major-league debuts: Donnie Moore (Cubs) Randy Lerch (Phillies) |
| Monday, September 15 |
| » Lost to Cardinals (78-71), 7-6 | Busch Stadium II (4-4) | 79-70 | |
| » W: Al Hrabosky (12-3) L: Gene Garber (9-11) S: Harry Parker (3) | Second | 6 out |
| Tuesday, September 16 |
|