| Friday, January 2 |
| Former Phillie Jack Kraus dies in San Antonio, TX at the age of 58. |
| Friday, January 23 |
| Future Phillie Brandon Duckworth is born in Salt Lake City, UT. |
| Friday, March 19 |
| Former Phillie Bert Gallia dies in Devine, TX at the age of 85. |
| Friday, April 9 |
| » Major-league debuts: Butch Wynegar (Twins) |
| Saturday, April 10 |
| » Lost to Pirates (1-0), 5-4 | Veteran's Stadium (0-1) | 0-1 | |
| » W: Larry Demery (1-0) L: Tug McGraw (0-1) | Fourth | 1½ out |
| Sunday, April 11 |
| » Lost to Pirates (2-0), 8-3 | Veteran's Stadium (0-2) | 0-2 | Lost 2 |
| » W: Bruce Kison (1-0) L: Steve Carlton (0-1) S: Bob Moose (1) | Fourth | 2 out |
| Tuesday, April 13 |
| » Major-league debuts: Bob Randall (Twins) |
| Wednesday, April 14 |
| » Defeated Expos (1-3), 8-2 | Parc Jarry (1-0) | 1-2 | |
| » W: Jim Lonborg (1-0) L: Steve Rogers (0-2) | Fourth | 2 out |
| Thursday, April 15 |
| » Lost to Expos (2-3), 8-5 | Parc Jarry (1-1) | 1-3 | |
| » W: Woodie Fryman (1-1) L: Jim Kaat (0-1) S: Wayne Granger (1) | Fifth | 3 out |
| Saturday, April 17 |
| » Defeated Cubs (4-3), 18-16 | Wrigley Field (1-0) | 2-3 | |
| » W: Tug McGraw (1-1) L: Darold Knowles (1-1) S: Jim Lonborg (1) | Fourth | 2½ out |
| Sunday, April 18 |
| » Defeated Cubs (4-4), 8-5 | Wrigley Field (2-0) | 3-3 | Won 2 |
| » W: Larry Christenson (1-0) L: Ray Burris (0-2) S: Gene Garber (1) | Second | 2½ out |
| Tuesday, April 20 |
| » Defeated Pirates (6-2), 5-1 | Three Rivers Stadium (1-0) | 4-3 | Won 3 |
| » W: Jim Kaat (1-1) L: John Candelaria (0-1) | Second | 1½ out |
| Wednesday, April 21 |
| » Defeated Pirates (6-3), 3-0 | Three Rivers Stadium (2-0) | 5-3 | Won 4 |
| » W: Tom Underwood (1-0) L: Doc Medich (1-1) S: Tug McGraw (1) | Second | ½ out |
| Friday, April 23 |
| » Lost to Braves (7-4), 6-5 | Veteran's Stadium (0-3) | 5-4 | |
| » W: Bruce Dal Canton (1-0) L: Tug McGraw (1-2) S: Elias Sosa (1) | Second | ½ out |
| Saturday, April 24 |
| » Defeated Braves (7-5), 10-5 | Veteran's Stadium (1-3) | 6-4 | |
| » W: Ron Reed (1-0) L: Elias Sosa (1-2) | First | -- |
| Sunday, April 25 |
| » Lost to Braves (8-5), 3-2 | Veteran's Stadium (1-4) | 6-5 | |
| » W: Phil Niekro (3-0) L: Larry Christenson (1-1) S: Elias Sosa (2) | Second | ½ out |
| Monday, April 26 |
| » Defeated Reds (8-6), 10-9 | Veteran's Stadium (2-4) | 7-5 | |
| » W: Tug McGraw (2-2) L: Rawly Eastwick (1-1) | First | -- |
| Former Phillie Alex Ferguson dies in Sepulveda, CA at the age of 80. |
| Tuesday, April 27 |
| » Lost to Reds (9-6), 7-3 | Veteran's Stadium (2-5) | 7-6 | |
| » W: Jack Billingham (2-2) L: Tom Underwood (1-1) | Second | 2 out |
| Wednesday, April 28 |
| » Defeated Reds (9-7), 7-6 | Veteran's Stadium (3-5) | 8-6 | |
| » W: Jim Lonborg (2-0) L: Pat Darcy (1-2) S: Tug McGraw (2) | Second | 2 out |
| Saturday, May 1 |
| » Defeated Braves (8-10), 3-0 | Atlanta-Fulton County Stadium (1-0) | 9-6 | Won 2 |
| » W: Larry Christenson (2-1) L: Dick Ruthven (3-2) S: Tug McGraw (3) | Second | 2 out |
| » Defeated Braves (8-11), 4-2 | Atlanta-Fulton County Stadium (2-0) | 10-6 | Won 3 |
| » W: Steve Carlton (1-1) L: Carl Morton (0-3) | Second | 2 out |
| Sunday, May 2 |
| » Defeated Braves (8-12), 8-2 | Atlanta-Fulton County Stadium (3-0) | 11-6 | Won 4 |
| » W: Jim Kaat (2-1) L: Andy Messersmith (0-2) S: Gene Garber (2) | First | -- |
| Tuesday, May 4 |
| » Defeated Astros (12-12), 5-0 | Veteran's Stadium (4-5) | 12-6 | Won 5 |
| » W: Jim Lonborg (3-0) L: Larry Dierker (3-3) | First | -- |
| Future Phillie Jason Michaels is born in Tampa, FL. |
| Wednesday, May 5 |
| » Defeated Astros (12-13), 6-3 | Veteran's Stadium (5-5) | 13-6 | Won 6 |
| » W: Ron Reed (2-0) L: Joe Niekro (1-5) S: Gene Garber (3) | First | -- |
| Friday, May 7 |
| » Lost to Dodgers (15-9), 10-8 | Veteran's Stadium (5-6) | 13-7 | |
| » W: Charlie Hough (2-0) L: Ron Reed (2-1) S: Mike Marshall (6) | Second | 3 out |
| Saturday, May 8 |
| » Defeated Dodgers (15-10), 6-4 | Veteran's Stadium (6-6) | 14-7 | |
| » W: Gene Garber (1-0) L: Tommy John (1-2) | Second | 3 out |
| Sunday, May 9 |
| » Defeated Dodgers (15-11), 10-3 | Veteran's Stadium (7-6) | 15-7 | Won 2 |
| » W: Jim Lonborg (4-0) L: Doug Rau (4-1) | First | -- |
| Monday, May 10 |
| Former Phillie Ken Trinkle dies in Paoli, IN at the age of 57. |
| Tuesday, May 11 |
| » Defeated Padres (13-14), 9-1 | Veteran's Stadium (8-6) | 16-7 | Won 3 |
| » W: Steve Carlton (2-1) L: Dan Spillner (1-5) | First | -- |
| Wednesday, May 12 |
| » Lost to Padres (14-14), 4-0 | Veteran's Stadium (8-7) | 16-8 | |
| » W: Randy Jones (6-2) L: Jim Kaat (2-2) | First | -- |
| Friday, May 14 |
| » Defeated Astros (15-16), 5-1 | Astrodome (1-0) | 17-8 | |
| » W: Larry Christenson (3-1) L: Mike Cosgrove (1-2) | First | -- |
| Saturday, May 15 |
| » Defeated Astros (15-17), 2-1 | Astrodome (2-0) | 18-8 | Won 2 |
| » W: Jim Lonborg (5-0) L: Larry Dierker (4-4) | First | -- |
| Sunday, May 16 |
| » Defeated Astros (15-18), 12-2 | Astrodome (3-0) | 19-8 | Won 3 |
| » W: Steve Carlton (3-1) L: Tom Griffin (2-1) | First | -- |
| Wednesday, May 19 |
| » Defeated Mets (20-15), 2-1 | Shea Stadium (1-0) | 20-8 | Won 4 |
| » W: Larry Christenson (4-1) L: Mickey Lolich (2-5) S: Tom Underwood (1) | First | -- |
| Thursday, May 20 |
| » Defeated Mets (20-16), 5-3 | Shea Stadium (2-0) | 21-8 | Won 5 |
| » W: Jim Lonborg (6-0) L: Tom Seaver (4-3) S: Tug McGraw (4) | First | -- |
| Friday, May 21 |
| » Defeated Cardinals (15-22), 2-1 | Veteran's Stadium (9-7) | 22-8 | Won 6 |
| » W: Steve Carlton (4-1) L: Pete Falcone (2-3) | First | -- |
| Saturday, May 22 |
| » Lost to Cardinals (16-22), 7-6 | Veteran's Stadium (9-8) | 22-9 | |
| » W: Al Hrabosky (1-3) L: Tug McGraw (2-3) | First | -- |
| Sunday, May 23 |
| » Defeated Cardinals (16-23), 3-2 | Veteran's Stadium (10-8) | 23-9 | |
| » W: Tug McGraw (3-3) L: Al Hrabosky (1-4) | First | -- |
| Monday, May 24 |
| » Defeated Mets (22-18), 7-1 | Veteran's Stadium (11-8) | 24-9 | Won 2 |
| » W: Larry Christenson (5-1) L: Mickey Lolich (2-6) | First | -- |
| Tuesday, May 25 |
| » Defeated Mets (22-19), 8-4 | Veteran's Stadium (12-8) | 25-9 | Won 3 |
| » W: Jim Lonborg (7-0) L: Tom Seaver (4-4) | First | -- |
| Wednesday, May 26 |
| » Defeated Mets (22-20), 5-0 | Veteran's Stadium (13-8) | 26-9 | Won 4 |
| » W: Steve Carlton (5-1) L: Jon Matlack (4-1) | First | -- |
| Thursday, May 27 |
| » Lost to Mets (23-20), 5-2 | Veteran's Stadium (13-9) | 26-10 | |
| » W: Jerry Koosman (6-1) L: Gene Garber (1-1) S: Skip Lockwood (7) | First | -- |
| Friday, May 28 |
| » Defeated Expos (16-21), 10-3 | Veteran's Stadium (14-9) | 27-10 | |
| » W: Ron Reed (3-1) L: Don Stanhouse (2-1) | First | -- |
| Saturday, May 29 |
| » Defeated Expos (16-22), 6-1 | Veteran's Stadium (15-9) | 28-10 | Won 2 |
| » W: Larry Christenson (6-1) L: Don Carrithers (1-3) S: Gene Garber (4) | First | -- |
| Sunday, May 30 |
| » Defeated Expos (16-23), 7-1 | Veteran's Stadium (16-9) | 29-10 | Won 3 |
| » W: Jim Lonborg (8-0) L: Clay Kirby (0-3) | First | -- |
| Monday, May 31 |
| » Lost to Cubs (20-23), 7-5 | Veteran's Stadium (16-10) | 29-11 | |
| » W: Rick Reuschel (5-3) L: Steve Carlton (5-2) S: Bruce Sutter (2) | First | -- |
| » Defeated Cubs (20-24), 4-1 | Veteran's Stadium (17-10) | 30-11 | |
| » W: Jim Kaat (3-2) L: Mike Garman (2-4) | First | -- |
| Tuesday, June 1 |
| » Defeated Cubs (20-25), 6-1 | Veteran's Stadium (18-10) | 31-11 | Won 2 |
| » W: Ron Reed (4-1) L: Steve Renko (1-2) | First | -- |
| Wednesday, June 2 |
| » Defeated Cardinals (21-26), 4-1 | Busch Stadium II (1-0) | 32-11 | Won 3 |
| » W: Tom Underwood (2-1) L: Jack Curtis (3-5) | First | -- |
| Thursday, June 3 |
| » Lost to Cardinals (22-26), 7-1 | Busch Stadium II (1-1) | 32-12 | |
| » W: Bob Forsch (1-1) L: Larry Christenson (6-2) | First | -- |
| Friday, June 4 |
| » Lost to Giants (20-32), 5-1 | Candlestick Park (0-1) | 32-13 | Lost 2 |
| » W: Jim Barr (3-4) L: Jim Lonborg (8-1) | First | -- |
| Saturday, June 5 |
| » Lost to Giants (21-32), 4-2 | Candlestick Park (0-2) | 32-14 | Lost 3 |
| » W: Ed Halicki (4-8) L: Steve Carlton (5-3) S: Randy Moffitt (2) | First | -- |
| Sunday, June 6 |
| » Defeated Giants (21-33), 9-3 | Candlestick Park (1-2) | 33-14 | |
| » W: Jim Kaat (4-2) L: John Montefusco (6-5) | First | -- |
| Monday, June 7 |
| » Defeated Dodgers (31-23), 8-6 | Dodger Stadium (1-0) | 34-14 | Won 2 |
| » W: Ron Reed (5-1) L: Charlie Hough (7-1) S: Gene Garber (5) | First | -- |
| Tuesday, June 8 |
| » Defeated Dodgers (31-24), 14-2 | Dodger Stadium (2-0) | 35-14 | Won 3 |
| » W: Larry Christenson (7-2) L: Tommy John (2-4) | First | -- |
| Wednesday, June 9 |
| » Lost to Dodgers (32-24), 3-2 | Dodger Stadium (2-1) | 35-15 | |
| » W: Burt Hooton (5-5) L: Jim Lonborg (8-2) S: Charlie Hough (2) | First | -- |
| Thursday, June 10 |
| » Defeated Dodgers (32-25), 10-6 | Dodger Stadium (3-1) | 36-15 | |
| » W: Tug McGraw (4-3) L: Stan Wall (1-2) S: Ron Schueler (1) | First | -- |
| Friday, June 11 |
| » Defeated Padres (29-25), 4-2 | San Diego/Jack Murphy Stadium (1-0) | 37-15 | Won 2 |
| » W: Jim Kaat (5-2) L: Alan Foster (1-3) S: Tom Underwood (2) | First | -- |
| Former Phillie Jim Konstanty dies in Oneonta, NY at the age of 60. |
| Saturday, June 12 |
| » Defeated Padres (29-26), 3-2 | San Diego/Jack Murphy Stadium (2-0) | 38-15 | Won 3 |
| » W: Tom Underwood (3-1) L: Ken Reynolds (0-2) S: Ron Schueler (2) | First | -- |
| Sunday, June 13 |
| » Lost to Padres (30-26), 5-0 | San Diego/Jack Murphy Stadium (2-1) | 38-16 | |
| » W: Randy Jones (12-2) L: Jim Lonborg (8-3) | First | -- |
| » Lost to Padres (31-26), 4-3 | San Diego/Jack Murphy Stadium (2-2) | 38-17 | Lost 2 |
| » W: Rich Folkers (2-1) L: Larry Christenson (7-3) S: Butch Metzger (7) | First | -- |
| Tuesday, June 15 |
| » Defeated Giants (23-39), 10-2 | Veteran's Stadium (19-10) | 39-17 | |
| » W: Steve Carlton (6-3) L: Ed Halicki (4-10) | First | -- |
| Wednesday, June 16 |
| » Defeated Giants (23-40), 6-1 | Veteran's Stadium (20-10) | 40-17 | Won 2 |
| » W: Jim Kaat (6-2) L: John Montefusco (7-6) | First | -- |
| Thursday, June 17 |
| » Defeated Giants (23-41), 3-2 | Veteran's Stadium (21-10) | 41-17 | Won 3 |
| » W: Gene Garber (2-1) L: Gary Lavelle (2-4) | First | -- |
| Friday, June 18 |
| » Defeated Reds (39-24), 6-5 | Veteran's Stadium (22-10) | 42-17 | Won 4 |
| » W: Jim Lonborg (9-3) L: Jack Billingham (5-5) S: Gene Garber (6) | First | -- |
| Saturday, June 19 |
| » Lost to Reds (40-24), 4-3 | Veteran's Stadium (22-11) | 42-18 | |
| » W: Gary Nolan (7-3) L: Ron Reed (5-2) S: Rawly Eastwick (8) | First | -- |
| Sunday, June 20 |
| » Defeated Reds (40-25), 6-1 | Veteran's Stadium (23-11) | 43-18 | |
| » W: Jim Kaat (7-2) L: Don Gullett (6-3) | First | -- |
| Former Phillie Blix Donnelly dies in Olivia, MN at the age of 63. |
| Monday, June 21 |
| » Defeated Expos (22-36), 8-3 | Veteran's Stadium (24-11) | 44-18 | Won 2 |
| » W: Tom Underwood (4-1) L: Dan Warthen (1-8) | First | -- |
| Tuesday, June 22 |
| » Lost to Expos (23-36), 8-3 | Veteran's Stadium (24-12) | 44-19 | |
| » W: Clay Kirby (1-5) L: Jim Lonborg (9-4) S: Dale Murray (6) | First | -- |
| Wednesday, June 23 |
| » Defeated Reds (42-26), 4-2 | Riverfront Stadium (1-0) | 45-19 | |
| » W: Ron Reed (6-2) L: Pedro Borbon (0-1) S: Gene Garber (7) | First | -- |
| Thursday, June 24 |
| » Defeated Reds (42-27), 5-4 | Riverfront Stadium (2-0) | 46-19 | Won 2 |
| » W: Jim Kaat (8-2) L: Gary Nolan (7-4) S: Tug McGraw (5) | First | -- |
| Friday, June 25 |
| » Defeated Cardinals (30-38), 12-4 | Veteran's Stadium (25-12) | 47-19 | Won 3 |
| » W: Larry Christenson (8-3) L: Jack Curtis (5-7) | First | -- |
| Saturday, June 26 |
| » Lost to Cardinals (31-38), 3-2 | Veteran's Stadium (25-13) | 47-20 | |
| » W: Al Hrabosky (5-5) L: Tug McGraw (4-4) | First | -- |
| Sunday, June 27 |
| » Defeated Cardinals (31-39), 6-2 | Veteran's Stadium (26-13) | 48-20 | |
| » W: Jim Lonborg (10-4) L: Lynn McGlothen (6-7) S: Ron Reed (1) | First | -- |
| Future Phillie Johnny Estrada is born in Hayward, CA. |
| Monday, June 28 |
| » Defeated Expos (24-42), 6-2 | Parc Jarry (2-1) | 49-20 | Won 2 |
| » W: Steve Carlton (7-3) L: Steve Rogers (2-5) | First | -- |
| Tuesday, June 29 |
| » Defeated Expos (24-43), 2-1 | Parc Jarry (3-1) | 50-20 | Won 3 |
| » W: Gene Garber (3-1) L: Dale Murray (0-6) S: Ron Reed (2) | First | -- |
| Friday, July 2 |
| » Lost to Pirates (42-29), 10-9 | Three Rivers Stadium (2-1) | 50-21 | |
| » W: Ramon Hernandez (2-1) L: Gene Garber (3-2) | First | -- |
| Saturday, July 3 |
| » Defeated Pirates (42-30), 3-2 | Three Rivers Stadium (3-1) | 51-21 | |
| » W: Tug McGraw (5-4) L: Bob Moose (3-4) | First | -- |
| Sunday, July 4 |
| » Defeated Pirates (42-31), 10-5 | Three Rivers Stadium (4-1) | 52-21 | Won 2 |
| » W: Steve Carlton (8-3) L: Larry Demery (5-2) S: Ron Reed (3) | First | -- |
| » Lost to Pirates (43-31), 7-1 | Three Rivers Stadium (4-2) | 52-22 | |
| » W: Bruce Kison (7-4) L: Jim Kaat (8-3) | First | -- |
| Monday, July 5 |
| » Lost to Dodgers (44-37), 6-0 | Veteran's Stadium (26-14) | 52-23 | Lost 2 |
| » W: Burt Hooton (6-9) L: Jim Lonborg (10-5) | First | -- |
| Tuesday, July 6 |
| » Lost to Dodgers (45-37), 5-1 | Veteran's Stadium (26-15) | 52-24 | Lost 3 |
| » W: Doug Rau (7-6) L: Larry Christenson (8-4) | First | -- |
| Wednesday, July 7 |
| » Lost to Dodgers (46-37), 6-5 | Veteran's Stadium (26-16) | 52-25 | Lost 4 |
| » W: Don Sutton (8-8) L: Ron Reed (6-3) S: Charlie Hough (8) | First | -- |
| Friday, July 9 |
| » Defeated Padres (43-41), 4-3 | Veteran's Stadium (27-16) | 53-25 | |
| » W: Tom Underwood (5-1) L: Brent Strom (8-9) S: Ron Reed (4) | First | -- |
| Saturday, July 10 |
| » Defeated Padres (43-42), 5-0 | Veteran's Stadium (28-16) | 54-25 | Won 2 |
| » W: Steve Carlton (9-3) L: Alan Foster (3-6) | First | -- |
| » Defeated Padres (43-43), 4-2 | Veteran's Stadium (29-16) | 55-25 | Won 3 |
| » W: Jim Lonborg (11-5) L: Dan Spillner (2-9) S: Ron Reed (5) | First | -- |
| Sunday, July 11 |
| » Defeated Padres (43-44), 3-0 | Veteran's Stadium (30-16) | 56-25 | Won 4 |
| » W: Jim Kaat (9-3) L: Dave Freisleben (6-5) | First | -- |
| Thursday, July 15 |
| » Defeated Giants (35-53), 5-3 | Candlestick Park (2-2) | 57-25 | Won 5 |
| » W: Steve Carlton (10-3) L: Mike Caldwell (0-6) | First | -- |
| Friday, July 16 |
| » Lost to Giants (36-53), 1-0 | Candlestick Park (2-3) | 57-26 | |
| » W: Ed Halicki (9-11) L: Jim Kaat (9-4) | First | -- |
| Saturday, July 17 |
| » Lost to Giants (37-53), 4-1 | Candlestick Park (2-4) | 57-27 | Lost 2 |
| » W: John Montefusco (8-8) L: Tom Underwood (5-2) | First | -- |
| Sunday, July 18 |
| » Defeated Dodgers (50-40), 2-1 | Dodger Stadium (4-1) | 58-27 | |
| » W: Ron Reed (7-3) L: Charlie Hough (7-4) | First | -- |
| Monday, July 19 |
| » Defeated Dodgers (50-41), 5-3 | Dodger Stadium (5-1) | 59-27 | Won 2 |
| » W: Gene Garber (4-2) L: Burt Hooton (6-10) S: Ron Reed (6) | First | -- |
| Tuesday, July 20 |
| » Lost to Padres (46-47), 3-0 | San Diego/Jack Murphy Stadium (2-3) | 59-28 | |
| » W: Randy Jones (17-4) L: Steve Carlton (10-4) | First | -- |
| Wednesday, July 21 |
| » Defeated Padres (46-48), 5-1 | San Diego/Jack Murphy Stadium (3-3) | 60-28 | |
| » W: Jim Kaat (10-4) L: Dave Freisleben (6-7) S: Gene Garber (8) | First | -- |
| Thursday, July 22 |
| » Defeated Pirates (51-40), 3-0 | Veteran's Stadium (31-16) | 61-28 | Won 2 |
| » W: Tom Underwood (6-2) L: Bruce Kison (7-6) S: Ron Reed (7) | First | -- |
| Friday, July 23 |
| » Defeated Pirates (51-41), 11-1 | Veteran's Stadium (32-16) | 62-28 | Won 3 |
| » W: Jim Lonborg (12-5) L: Doc Medich (5-9) | First | -- |
| Saturday, July 24 |
| » Lost to Pirates (52-41), 8-5 | Veteran's Stadium (32-17) | 62-29 | |
| » W: Jim Rooker (8-5) L: Larry Christenson (8-5) S: Dave Giusti (5) | First | -- |
| » Defeated Pirates (52-42), 7-1 | Veteran's Stadium (33-17) | 63-29 | |
| » W: Steve Carlton (11-4) L: Bob Moose (3-5) | First | -- |
| Sunday, July 25 |
| » Defeated Pirates (52-43), 13-7 | Veteran's Stadium (34-17) | 64-29 | Won 2 |
| » W: Ron Reed (8-3) L: Dave Giusti (0-2) | First | -- |
| Monday, July 26 |
| » Defeated Mets (50-49), 4-1 | Veteran's Stadium (35-17) | 65-29 | Won 3 |
| » W: Larry Christenson (9-5) L: Jon Matlack (10-5) S: Tug McGraw (6) | First | -- |
| Tuesday, July 27 |
| » Lost to Mets (51-49), 4-1 | Veteran's Stadium (35-18) | 65-30 | |
| » W: Bob Myrick (1-0) L: Tom Underwood (6-3) S: Skip Lockwood (10) | First | -- |
| Wednesday, July 28 |
| » Lost to Cubs (41-58), 5-2 | Veteran's Stadium (35-19) | 65-31 | Lost 2 |
| » W: Bruce Sutter (2-2) L: Ron Reed (8-4) | First | -- |
| Thursday, July 29 |
| » Defeated Cubs (41-59), 3-2 | Veteran's Stadium (36-19) | 66-31 | |
| » W: Gene Garber (5-2) L: Darold Knowles (3-4) | First | -- |
| Friday, July 30 |
| » Lost to Mets (52-51), 3-2 | Shea Stadium (2-1) | 66-32 | |
| » W: Jerry Koosman (12-7) L: Jim Kaat (10-5) | First | -- |
| Former Phillie Jack Knight dies in San Antonio, TX at the age of 82. |
| Saturday, July 31 |
| » Defeated Mets (52-52), 2-1 | Shea Stadium (3-1) | 67-32 | |
| » W: Larry Christenson (10-5) L: Jon Matlack (10-6) S: Tug McGraw (7) | First | -- |
| Sunday, August 1 |
| » Defeated Mets (52-53), 7-6 | Shea Stadium (4-1) | 68-32 | Won 2 |
| » W: Gene Garber (6-2) L: Skip Lockwood (6-6) | First | -- |
| » Defeated Mets (52-54), 2-0 | Shea Stadium (5-1) | 69-32 | Won 3 |
| » W: Wayne Twitchell (1-0) L: Nino Espinosa (0-2) S: Ron Schueler (3) | First | -- |
| Monday, August 2 |
| » Lost to Cubs (45-59), 4-2 | Wrigley Field (2-1) | 69-33 | |
| » W: Bill Bonham (7-9) L: Jim Lonborg (12-6) S: Joe Coleman (3) | First | -- |
| Tuesday, August 3 |
| » Lost to Cubs (46-59), 4-0 | Wrigley Field (2-2) | 69-34 | Lost 2 |
| » W: Rick Reuschel (10-8) L: Jim Kaat (10-6) | First | -- |
| » Defeated Cubs (46-60), 8-5 | Wrigley Field (3-2) | 70-34 | |
| » W: Steve Carlton (12-4) L: Steve Stone (2-4) S: Ron Reed (8) | First | -- |
| Wednesday, August 4 |
| » Defeated Cubs (46-61), 7-5 | Wrigley Field (4-2) | 71-34 | Won 2 |
| » W: Gene Garber (7-2) L: Joe Coleman (2-10) | First | -- |
| Thursday, August 5 |
| » Defeated Cardinals (44-60), 5-2 | Busch Stadium II (2-1) | 72-34 | Won 3 |
| » W: Wayne Twitchell (2-0) L: Lynn McGlothen (9-11) | First | -- |
| Friday, August 6 |
| » Lost to Cardinals (45-60), 6-2 | Busch Stadium II (2-2) | 72-35 | |
| » W: John Denny (6-5) L: Jim Lonborg (12-7) S: Al Hrabosky (11) | First | -- |
| Saturday, August 7 |
| » Lost to Cardinals (46-60), 4-1 | Busch Stadium II (2-3) | 72-36 | Lost 2 |
| » W: Pete Falcone (8-11) L: Jim Kaat (10-7) S: Al Hrabosky (12) | First | -- |
| Sunday, August 8 |
| » Defeated Cardinals (46-61), 3-2 | Busch Stadium II (3-3) | 73-36 | |
| » W: Steve Carlton (13-4) L: Bill Greif (2-7) S: Ron Reed (9) | First | -- |
| Tuesday, August 10 |
| » Lost to Braves (52-61), 2-1 | Veteran's Stadium (36-20) | 73-37 | |
| » W: Phil Niekro (12-8) L: Larry Christenson (10-6) S: Adrian Devine (2) | First | -- |
| Wednesday, August 11 |
| » Defeated Braves (52-62), 4-1 | Veteran's Stadium (37-20) | 74-37 | |
| » W: Tom Underwood (7-3) L: Carl Morton (2-9) S: Ron Reed (10) | First | -- |
| Thursday, August 12 |
| » Lost to Braves (53-62), 4-3 | Veteran's Stadium (37-21) | 74-38 | |
| » W: Frank LaCorte (1-6) L: Jim Lonborg (12-8) S: Adrian Devine (3) | First | -- |
| Friday, August 13 |
| » Lost to Giants (50-68), 3-0 | Veteran's Stadium (37-22) | 74-39 | Lost 2 |
| » W: John Montefusco (13-9) L: Jim Kaat (10-8) | First | -- |
| Saturday, August 14 |
| » Defeated Giants (50-69), 13-2 | Veteran's Stadium (38-22) | 75-39 | |
| » W: Steve Carlton (14-4) L: Jim Barr (10-9) | First | -- |
| Sunday, August 15 |
| » Lost to Giants (51-69), 9-5 | Veteran's Stadium (38-23) | 75-40 | |
| » W: Randy Moffitt (5-4) L: Gene Garber (7-3) | First | -- |
| Tuesday, August 17 |
| » Defeated Expos (41-72), 11-3 | Veteran's Stadium (39-23) | 76-40 | |
| » W: Tom Underwood (8-3) L: Steve Rogers (5-11) | First | -- |
| Wednesday, August 18 |
| » Defeated Expos (41-73), 5-4 | Veteran's Stadium (40-23) | 77-40 | Won 2 |
| » W: Jim Lonborg (13-8) L: Don Stanhouse (8-7) S: Ron Reed (11) | First | -- |
| Thursday, August 19 |
| » Defeated Astros (59-65), 7-1 | Veteran's Stadium (41-23) | 78-40 | Won 3 |
| » W: Steve Carlton (15-4) L: Joaquin Andujar (6-9) | First | -- |
| Friday, August 20 |
| » Lost to Astros (60-65), 8-3 | Veteran's Stadium (41-24) | 78-41 | |
| » W: Dan Larson (3-4) L: Wayne Twitchell (2-1) | First | -- |
| Saturday, August 21 |
| » Defeated Astros (60-66), 7-4 | Veteran's Stadium (42-24) | 79-41 | |
| » W: Jim Kaat (11-8) L: J.R. Richard (14-13) S: Ron Reed (12) | First | -- |
| Sunday, August 22 |
| » Defeated Astros (60-67), 5-1 | Veteran's Stadium (43-24) | 80-41 | Won 2 |
| » W: Tom Underwood (9-3) L: Larry Dierker (12-12) | First | -- |
| Future Phillie Randy Wolf is born in Canoga Park, CA. |
| Monday, August 23 |
| » Defeated Braves (57-69), 4-2 | Atlanta-Fulton County Stadium (4-0) | 81-41 | Won 3 |
| » W: Jim Lonborg (14-8) L: Dick Ruthven (13-12) S: Tug McGraw (8) | First | -- |
| Tuesday, August 24 |
| » Defeated Braves (57-70), 14-3 | Atlanta-Fulton County Stadium (5-0) | 82-41 | Won 4 |
| » W: Steve Carlton (16-4) L: Andy Messersmith (11-11) | First | -- |
| Wednesday, August 25 |
| » Lost to Braves (58-70), 5-1 | Atlanta-Fulton County Stadium (5-1) | 82-42 | |
| » W: Phil Niekro (14-9) L: Larry Christenson (10-7) | First | -- |
| Thursday, August 26 |
| » Defeated Reds (80-48), 5-4 | Riverfront Stadium (3-0) | 83-42 | |
| » W: Tug McGraw (6-4) L: Rawly Eastwick (8-4) | First | -- |
| Future Phillie Geoff Geary is born in Buffalo, NY. |
| Friday, August 27 |
| » Lost to Reds (81-48), 4-1 | Riverfront Stadium (3-1) | 83-43 | |
| » W: Fred Norman (12-4) L: Tom Underwood (9-4) S: Pedro Borbon (5) | First | -- |
| Saturday, August 28 |
| » Lost to Reds (82-48), 8-7 | Riverfront Stadium (3-2) | 83-44 | Lost 2 |
| » W: Rawly Eastwick (9-4) L: Tug McGraw (6-5) | First | -- |
| Sunday, August 29 |
| » Lost to Reds (83-48), 6-5 | Riverfront Stadium (3-3) | 83-45 | Lost 3 |
| » W: Santo Alcala (11-3) L: Jim Kaat (11-9) | First | -- |
| Monday, August 30 |
| » Lost to Astros (66-68), 3-1 | Astrodome (3-1) | 83-46 | Lost 4 |
| » W: Dan Larson (4-5) L: Larry Christenson (10-8) | First | -- |
| Tuesday, August 31 |
| » Lost to Astros (67-68), 3-2 | Astrodome (3-2) | 83-47 | Lost 5 |
| » W: J.R. Richard (16-13) L: Tug McGraw (6-6) | First | -- |
| Wednesday, September 1 |
| » Lost to Astros (68-68), 1-0 | Astrodome (3-3) | 83-48 | Lost 6 |
| » W: Bo McLaughlin (3-2) L: Jim Kaat (11-10) | First | -- |
| Friday, September 3 |
| » Lost to Mets (68-65), 1-0 | Shea Stadium (5-2) | 83-49 | Lost 7 |
| » W: Tom Seaver (11-10) L: Steve Carlton (16-5) | First | -- |
| Saturday, September 4 |
| » Lost to Mets (69-65), 7-3 | Shea Stadium (5-3) | 83-50 | Lost 8 |
| » W: Nino Espinosa (3-3) L: Jim Lonborg (14-9) S: Skip Lockwood (15) | First | -- |
| Sunday, September 5 |
| » Defeated Mets (69-66), 3-1 | Shea Stadium (6-3) | 84-50 | |
| » W: Larry Christenson (11-8) L: Mickey Lolich (7-12) S: Ron Reed (13) | First | -- |
| Monday, September 6 |
| » Lost to Pirates (78-58), 6-2 | Three Rivers Stadium (4-3) | 84-51 | |
| » W: Bruce Kison (12-8) L: Jim Kaat (11-11) | First | -- |
| » Lost to Pirates (79-58), 5-1 | Three Rivers Stadium (4-4) | 84-52 | Lost 2 |
| » W: Larry Demery (10-4) L: Tom Underwood (9-5) | First | -- |
| » Major-league debuts: Tony Armas (Pirates) |
| Wednesday, September 8 |
| » Lost to Pirates (80-58), 6-1 | Three Rivers Stadium (4-5) | 84-53 | Lost 3 |
| » W: Jim Rooker (13-7) L: Steve Carlton (16-6) | First | -- |
| Thursday, September 9 |
| » Defeated Cubs (63-77), 4-2 | Veteran's Stadium (44-24) | 85-53 | |
| » W: Jim Lonborg (15-9) L: Bill Bonham (8-11) | First | -- |
| » Major-league debuts: Rick Bosetti (Phillies) |
| Friday, September 10 |
| » Lost to Cubs (64-77), 3-2 | Veteran's Stadium (44-25) | 85-54 | |
| » W: Rick Reuschel (12-10) L: Jim Kaat (11-12) | First | -- |
| Saturday, September 11 |
| » Lost to Cubs (65-77), 4-1 | Veteran's Stadium (44-26) | 85-55 | Lost 2 |
| » W: Bruce Sutter (5-3) L: Ron Reed (8-5) S: Joe Coleman (4) | First | -- |
| Sunday, September 12 |
| » Defeated Cubs (65-78), 8-0 | Veteran's Stadium (45-26) | 86-55 | |
| » W: Larry Christenson (12-8) L: Steve Renko (7-9) S: Tug McGraw (9) | First | -- |
| Monday, September 13 |
| » Defeated Expos (48-92), 7-2 | Veteran's Stadium (46-26) | 87-55 | Won 2 |
| » W: Steve Carlton (17-6) L: Dennis Blair (0-1) S: Gene Garber (9) | First | -- |
| Tuesday, September 14 |
| » Defeated Expos (48-93), 3-2 | Veteran's Stadium (47-26) | 88-55 | Won 3 |
| » W: Jim Lonborg (16-9) L: Woodie Fryman (12-11) S: Ron Reed (14) | First | -- |
| Wednesday, September 15 |
| » Lost to Pirates (83-61), 7-2 | Veteran's Stadium (47-27) | 88-56 | |
| » W: John Candelaria (15-6) L: Jim Kaat (11-13) | First | -- |
| Thursday, September 16 |
| » Lost to Pirates (84-61), 7-6 | Veteran's Stadium (47-28) | 88-57 | Lost 2 |
| » W: Kent Tekulve (5-1) L: Ron Reed (8-6) | First | -- |
| Friday, September 17 |
| » Lost to Cubs (68-80), 4-3 | Wrigley Field (4-3) | 88-58 | Lost 3 |
| » W: Bruce Sutter (6-3) L: Ron Reed (8-7) | First | -- |
| Saturday, September 18 |
| » Defeated Cubs (68-81), 4-1 | Wrigley Field (5-3) | 89-58 | |
| » W: Steve Carlton (18-6) L: Rick Reuschel (13-11) | First | -- |
| Sunday, September 19 |
| » Lost to Cubs (69-81), 1-0 | Wrigley Field (5-4) | 89-59 | |
| » W: Ray Burris (14-13) L: Jim Lonborg (16-10) | First | -- |
| Tuesday, September 21 |
| » Defeated Cardinals (68-82), 5-1 | Veteran's Stadium (48-28) | 90-59 | |
| » W: Tom Underwood (10-5) L: John Denny (10-8) S: Tug McGraw (10) | First | -- |
| Wednesday, September 22 |
| » Defeated Cardinals (68-83), 9-4 | Veteran's Stadium (49-28) | 91-59 | Won 2 |
| » W: Gene Garber (8-3) L: Tom Walker (1-2) | First | -- |
| Thursday, September 23 |
| » Defeated Cardinals (68-84), 7-3 | Veteran's Stadium (50-28) | 92-59 | Won 3 |
| » W: Steve Carlton (19-6) L: Eric Rasmussen (5-12) |
