| Thursday, January 27 |
| Future Phillie Gavin Floyd is born in Annapolis, MD. |
| Friday, January 28 |
| Future Phillie Elizardo Ramirez is born in Villa Mella, D.R. |
| Sunday, April 3 |
| Former Phillie Mickey Livingston dies in Newberry, SC at the age of 69. |
| Tuesday, April 5 |
| » Lost to Mets (1-0), 2-0 | Shea Stadium (0-1) | 0-1 | |
| » W: Doug Sisk (1-0) L: Steve Carlton (0-1) | Third | 1 out |
| Thursday, April 7 |
| » Lost to Mets (2-0), 6-2 | Shea Stadium (0-2) | 0-2 | Lost 2 |
| » W: Craig Swan (1-0) L: John Denny (0-1) S: Neil Allen (1) | Third | 2 out |
| Friday, April 8 |
| » Lost to Giants (1-2), 3-2 | Candlestick Park (0-1) | 0-3 | Lost 3 |
| » W: Fred Breining (1-0) L: Larry Christenson (0-1) S: Greg Minton (1) | Fourth | 3 out |
| Saturday, April 9 |
| » Defeated Giants (1-3), 5-4 | Candlestick Park (1-1) | 1-3 | |
| » W: Sid Monge (1-0) L: Mike Krukow (0-2) S: Ron Reed (1) | Fourth | 3 out |
| Sunday, April 10 |
| » Defeated Giants (1-4), 10-2 | Candlestick Park (2-1) | 2-3 | Won 2 |
| » W: Steve Carlton (1-1) L: Bill Laskey (0-2) | Fifth | 3 out |
| Tuesday, April 12 |
| » Defeated Mets (2-2), 4-3 | Veteran's Stadium (1-0) | 3-3 | Won 3 |
| » W: Ron Reed (1-0) L: Neil Allen (0-1) | Fifth | 2 out |
| Wednesday, April 13 |
| » Defeated Mets (2-3), 10-9 | Veteran's Stadium (2-0) | 4-3 | Won 4 |
| » W: Porfi Altamirano (1-0) L: Neil Allen (0-2) | Fourth | 1½ out |
| Saturday, April 16 |
| » Defeated Braves (7-2), 8-4 | Veteran's Stadium (3-0) | 5-3 | Won 5 |
| » W: Steve Carlton (2-1) L: Phil Niekro (0-1) | Third | 1½ out |
| Sunday, April 17 |
| » Lost to Braves (8-2), 3-1 | Veteran's Stadium (3-1) | 5-4 | |
| » W: Pascual Perez (3-0) L: Ed Farmer (0-1) S: Gene Garber (2) | Fourth | 2 out |
| Former Phillie Dutch Leonard dies in Springfield, IL at the age of 75. |
| Monday, April 18 |
| » Defeated Cubs (2-9), 8-2 | Veteran's Stadium (4-1) | 6-4 | |
| » W: John Denny (1-1) L: Paul Moskau (0-1) | Third | 1½ out |
| Wednesday, April 20 |
| » Defeated Cubs (2-10), 2-0 | Veteran's Stadium (5-1) | 7-4 | Won 2 |
| » W: Steve Carlton (3-1) L: Chuck Rainey (0-3) | Second | 2 out |
| Friday, April 22 |
| » Defeated Astros (4-12), 6-3 | Astrodome (1-0) | 8-4 | Won 3 |
| » W: Sid Monge (2-0) L: Nolan Ryan (1-1) S: Ron Reed (2) | First | -- |
| Saturday, April 23 |
| » Defeated Astros (4-13), 7-3 | Astrodome (2-0) | 9-4 | Won 4 |
| » W: John Denny (2-1) L: Joe Niekro (0-2) | Second | 1½ out |
| Sunday, April 24 |
| » Lost to Astros (5-13), 3-2 | Astrodome (2-1) | 9-5 | |
| » W: Mike Madden (1-0) L: Ron Reed (1-1) | Third | 1½ out |
| Tuesday, April 26 |
| » Lost to Braves (13-3), 10-4 | Atlanta-Fulton County Stadium (0-1) | 9-6 | Lost 2 |
| » W: Pascual Perez (4-0) L: Larry Christenson (0-2) S: Terry Forster (2) | Third | ½ out |
| Wednesday, April 27 |
| » Defeated Braves (13-4), 6-2 | Atlanta-Fulton County Stadium (1-1) | 10-6 | |
| » W: Dick Ruthven (1-0) L: Phil Niekro (0-2) | Second | 1 out |
| Friday, April 29 |
| » Lost to Astros (8-13), 6-3 | Veteran's Stadium (5-2) | 10-7 | |
| » W: Frank LaCorte (2-2) L: Steve Carlton (3-2) S: Bill Dawley (1) | Third | 1½ out |
| Saturday, April 30 |
| » Defeated Astros (8-14), 8-0 | Veteran's Stadium (6-2) | 11-7 | |
| » W: John Denny (3-1) L: Mike LaCoss (0-2) | Second | 1 out |
| Sunday, May 1 |
| » Defeated Astros (8-15), 11-3 | Veteran's Stadium (7-2) | 12-7 | Won 2 |
| » W: Larry Christenson (1-2) L: Bob Knepper (1-3) | Second | 1 out |
| Monday, May 2 |
| » Lost to Reds (13-11), 5-2 | Veteran's Stadium (7-3) | 12-8 | |
| » W: Ted Power (1-0) L: Dick Ruthven (1-1) | Second | 1½ out |
| Tuesday, May 3 |
| » Defeated Reds (13-12), 13-7 | Veteran's Stadium (8-3) | 13-8 | |
| » W: Sid Monge (3-0) L: Frank Pastore (2-4) | First | -- |
| Wednesday, May 4 |
| » Defeated Reds (13-13), 9-4 | Veteran's Stadium (9-3) | 14-8 | Won 2 |
| » W: Steve Carlton (4-2) L: Rich Gale (3-1) | First | -- |
| Friday, May 6 |
| » Defeated Expos (12-10), 5-2 | Stade Olympique (1-0) | 15-8 | Won 3 |
| » W: Ron Reed (2-1) L: Bryn Smith (0-1) | First | -- |
| Saturday, May 7 |
| » Lost to Expos (13-10), 3-2 | Stade Olympique (1-1) | 15-9 | |
| » W: Bill Gullickson (3-3) L: Porfi Altamirano (1-1) | First | -- |
| Tuesday, May 10 |
| » Defeated Reds (14-16), 3-1 | Riverfront Stadium (1-0) | 16-9 | |
| » W: Steve Carlton (5-2) L: Ted Power (1-1) | First | -- |
| Wednesday, May 11 |
| » Lost to Reds (15-16), 2-0 | Riverfront Stadium (1-1) | 16-10 | |
| » W: Mario Soto (4-2) L: John Denny (3-2) | First | -- |
| Thursday, May 12 |
| » Lost to Cubs (10-19), 6-3 | Wrigley Field (0-1) | 16-11 | Lost 2 |
| » W: Chuck Rainey (3-3) L: Dick Ruthven (1-2) S: Bill Campbell (1) | First | -- |
| Friday, May 13 |
| » Lost to Cubs (11-19), 10-2 | Wrigley Field (0-2) | 16-12 | Lost 3 |
| » W: Steve Trout (2-5) L: Larry Christenson (1-3) | First | -- |
| Sunday, May 15 |
| » Defeated Cubs (11-20), 5-3 | Wrigley Field (1-2) | 17-12 | |
| » W: Steve Carlton (6-2) L: Lee Smith (0-2) S: Ron Reed (3) | First | -- |
| Tuesday, May 17 |
| » Defeated Giants (17-17), 2-1 | Veteran's Stadium (10-3) | 18-12 | Won 2 |
| » W: John Denny (4-2) L: Andy McGaffigan (2-4) S: Al Holland (1) | First | -- |
| Wednesday, May 18 |
| » Lost to Giants (18-17), 8-1 | Veteran's Stadium (10-4) | 18-13 | |
| » W: Mike Krukow (2-2) L: Dick Ruthven (1-3) S: Greg Minton (5) | Second | 1 out |
| Friday, May 20 |
| » Lost to Padres (17-21), 5-0 | Veteran's Stadium (10-5) | 18-14 | Lost 2 |
| » W: Andy Hawkins (3-2) L: Steve Carlton (6-3) | Second | 1 out |
| Monday, May 23 |
| » Lost to Dodgers (27-11), 2-0 | Veteran's Stadium (10-6) | 18-15 | Lost 3 |
| » W: Fernando Valenzuela (5-2) L: John Denny (4-3) | First | -- |
| Tuesday, May 24 |
| » Lost to Dodgers (28-11), 3-0 | Veteran's Stadium (10-7) | 18-16 | Lost 4 |
| » W: Alejandro Pena (5-1) L: Larry Christenson (1-4) | Third | 1 out |
| Wednesday, May 25 |
| » Lost to Dodgers (29-11), 6-1 | Veteran's Stadium (10-8) | 18-17 | Lost 5 |
| » W: Burt Hooton (2-2) L: Marty Bystrom (0-1) S: Dave Stewart (5) | Third | 2 out |
| Friday, May 27 |
| » Lost to Expos (22-17), 7-4 | Veteran's Stadium (10-9) | 18-18 | Lost 6 |
| » W: Scott Sanderson (4-4) L: Steve Carlton (6-4) S: Jeff Reardon (5) | Third | 3½ out |
| Saturday, May 28 |
| » Defeated Expos (22-18), 5-3 | Veteran's Stadium (11-9) | 19-18 | |
| » W: Willie Hernandez (2-0) L: Jeff Reardon (2-2) | Third | 2½ out |
| Sunday, May 29 |
| » Defeated Expos (22-19), 5-2 | Veteran's Stadium (12-9) | 20-18 | Won 2 |
| » W: Larry Christenson (2-4) L: Bill Gullickson (4-6) S: Al Holland (2) | Third | 2½ out |
| Monday, May 30 |
| » Lost to Dodgers (31-14), 5-2 | Dodger Stadium (0-1) | 20-19 | |
| » W: Burt Hooton (3-2) L: Marty Bystrom (0-2) | Third | 3½ out |
| Tuesday, May 31 |
| » Lost to Dodgers (32-14), 4-1 | Dodger Stadium (0-2) | 20-20 | Lost 2 |
| » W: Jerry Reuss (6-3) L: Charles Hudson (0-1) | Third | 3½ out |
| » Major-league debuts: Charles Hudson (Phillies) |
| Wednesday, June 1 |
| » Lost to Dodgers (33-14), 1-0 | Dodger Stadium (0-3) | 20-21 | Lost 3 |
| » W: Bob Welch (4-4) L: Steve Carlton (6-5) | Third | 4½ out |
| Thursday, June 2 |
| » Lost to Padres (22-26), 4-1 | San Diego/Jack Murphy Stadium (0-1) | 20-22 | Lost 4 |
| » W: Dave Dravecky (8-3) L: Ed Farmer (0-2) | Third | 4½ out |
| » Major-league debuts: Kevin McReynolds (Padres) |
| Friday, June 3 |
| » Lost to Padres (23-26), 8-5 | San Diego/Jack Murphy Stadium (0-2) | 20-23 | Lost 5 |
| » W: Gary Lucas (2-3) L: Ed Farmer (0-3) | Third | 4½ out |
| Saturday, June 4 |
| » Lost to Padres (24-26), 5-4 | San Diego/Jack Murphy Stadium (0-3) | 20-24 | Lost 6 |
| » W: John Montefusco (4-1) L: Marty Bystrom (0-3) S: Sid Monge (1) | Third | 4½ out |
| Sunday, June 5 |
| » Defeated Padres (24-27), 2-1 | San Diego/Jack Murphy Stadium (1-3) | 21-24 | |
| » W: Al Holland (1-0) L: Ed Whitson (0-3) | Third | 4½ out |
| Tuesday, June 7 |
| » Lost to Cardinals (28-21), 2-1 | Veteran's Stadium (12-10) | 21-25 | |
| » W: Bob Forsch (4-4) L: Steve Carlton (6-6) | Third | 5½ out |
| Wednesday, June 8 |
| » Defeated Cardinals (28-22), 7-4 | Veteran's Stadium (13-10) | 22-25 | |
| » W: Al Holland (2-0) L: Bruce Sutter (4-3) | Third | 4½ out |
| Thursday, June 9 |
| » Defeated Cardinals (28-23), 6-5 | Veteran's Stadium (14-10) | 23-25 | Won 2 |
| » W: Ron Reed (3-1) L: Dave VonOhlen (1-1) | Third | 3½ out |
| Friday, June 10 |
| » Lost to Pirates (21-30), 4-3 | Veteran's Stadium (14-11) | 23-26 | |
| » W: Kent Tekulve (2-1) L: Ed Farmer (0-4) | Third | 3½ out |
| Saturday, June 11 |
| » Defeated Pirates (21-31), 9-7 | Veteran's Stadium (15-11) | 24-26 | |
| » W: Steve Carlton (7-6) L: Rod Scurry (2-4) S: Al Holland (3) | Third | 3½ out |
| Sunday, June 12 |
| » Defeated Pirates (21-32), 5-4 | Veteran's Stadium (16-11) | 25-26 | Won 2 |
| » W: Ron Reed (4-1) L: Rod Scurry (2-5) | Third | 2½ out |
| Monday, June 13 |
| » Defeated Cardinals (29-26), 6-2 | Busch Stadium II (1-0) | 26-26 | Won 3 |
| » W: Marty Bystrom (1-3) L: Dave LaPoint (4-3) S: Willie Hernandez (2) | Third | 1½ out |
| Tuesday, June 14 |
| » Lost to Cardinals (30-26), 5-4 | Busch Stadium II (1-1) | 26-27 | |
| » W: Bruce Sutter (6-3) L: Porfi Altamirano (1-2) | Third | 2½ out |
| Wednesday, June 15 |
| » Lost to Cardinals (31-26), 7-6 | Busch Stadium II (1-2) | 26-28 | Lost 2 |
| » W: Kevin Hagen (1-0) L: Steve Carlton (7-7) S: Bruce Sutter (5) | Third | 3½ out |
| Friday, June 17 |
| » Lost to Pirates (23-34), 2-1 | Three Rivers Stadium (0-1) | 26-29 | Lost 3 |
| » W: John Candelaria (5-6) L: John Denny (4-4) S: Kent Tekulve (6) | Third | 4½ out |
| Saturday, June 18 |
| » Defeated Pirates (23-35), 6-4 | Three Rivers Stadium (1-1) | 27-29 | |
| » W: Marty Bystrom (2-3) L: Rick Rhoden (3-7) | Third | 3½ out |
| Sunday, June 19 |
| » Defeated Pirates (23-36), 14-2 | Three Rivers Stadium (2-1) | 28-29 | Won 2 |
| » W: Charles Hudson (1-1) L: Larry McWilliams (7-5) | Second | 2½ out |
| Monday, June 20 |
| » Lost to Expos (33-28), 5-0 | Stade Olympique (1-2) | 28-30 | |
| » W: Ray Burris (3-2) L: Steve Carlton (7-8) | Third | 3½ out |
| Tuesday, June 21 |
| » Defeated Expos (33-29), 8-1 | Stade Olympique (2-2) | 29-30 | |
| » W: John Denny (5-4) L: Scott Sanderson (4-5) S: Willie Hernandez (3) | Second | 3½ out |
| » Lost to Expos (34-29), 5-4 | Stade Olympique (2-3) | 29-31 | |
| » W: Jeff Reardon (3-4) L: Porfi Altamirano (1-3) | Second | 3½ out |
| Wednesday, June 22 |
| » Lost to Expos (35-29), 4-0 | Stade Olympique (2-4) | 29-32 | Lost 2 |
| » W: Charlie Lea (5-3) L: Marty Bystrom (2-4) | Third | 4½ out |
| Thursday, June 23 |
| » Lost to Expos (36-29), 4-3 | Stade Olympique (2-5) | 29-33 | Lost 3 |
| » W: Bill Gullickson (7-8) L: Charles Hudson (1-2) S: Jeff Reardon (11) | Third | 5½ out |
| Friday, June 24 |
| » Defeated Mets (27-41), 6-3 | Shea Stadium (1-2) | 30-33 | |
| » W: Steve Carlton (8-8) L: Craig Swan (1-4) S: Al Holland (4) | Third | 5½ out |
| Saturday, June 25 |
| » Defeated Mets (27-42), 4-2 | Shea Stadium (2-2) | 31-33 | Won 2 |
| » W: Kevin Gross (1-0) L: Walt Terrell (1-1) S: Willie Hernandez (4) | Third | 4½ out |
| » Major-league debuts: Kevin Gross (Phillies) |
| Sunday, June 26 |
| » Defeated Mets (27-43), 8-4 | Shea Stadium (3-2) | 32-33 | Won 3 |
| » W: Tug McGraw (1-0) L: Tom Seaver (5-7) S: Al Holland (5) | Third | 4 out |
| » Lost to Mets (28-43), 5-1 | Shea Stadium (3-3) | 32-34 | |
| » W: Mike Torrez (5-8) L: Ed Farmer (0-5) | Third | 4 out |
| Tuesday, June 28 |
| » Tied Expos, 5-5 | Veteran's Stadium (16-11) | 32-34 | |
| » Starters: Bill Gullickson vs Marty Bystrom | Third | 4½ out |
| Wednesday, June 29 |
| » Lost to Expos (39-31), 5-2 | Veteran's Stadium (16-12) | 32-35 | Lost 2 |
| » W: Steve Rogers (11-3) L: Steve Carlton (8-9) | Third | 4½ out |
| » Defeated Expos (39-32), 3-2 | Veteran's Stadium (17-12) | 33-35 | |
| » W: Charles Hudson (2-2) L: Scott Sanderson (4-6) S: Al Holland (6) | Third | 4½ out |
| Thursday, June 30 |
| » Defeated Expos (39-33), 3-1 | Veteran's Stadium (18-12) | 34-35 | Won 2 |
| » W: Kevin Gross (2-0) L: Ray Burris (3-3) S: Willie Hernandez (5) | Third | 3½ out |
| Friday, July 1 |
| » Defeated Mets (29-47), 5-1 | Veteran's Stadium (19-12) | 35-35 | Won 3 |
| » W: John Denny (6-4) L: Tom Seaver (5-8) | Third | 2½ out |
| Saturday, July 2 |
| » Defeated Mets (29-48), 6-5 | Veteran's Stadium (20-12) | 36-35 | Won 4 |
| » W: Al Holland (3-0) L: Jesse Orosco (4-4) | Second | 2 out |
| » Lost to Mets (30-48), 4-3 | Veteran's Stadium (20-13) | 36-36 | |
| » W: Ed Lynch (6-3) L: Ed Farmer (0-6) S: Doug Sisk (7) | Second | 2 out |
| Sunday, July 3 |
| » Defeated Mets (30-49), 6-4 | Veteran's Stadium (21-13) | 37-36 | |
| » W: Willie Hernandez (3-0) L: Doug Sisk (2-2) | Second | 1 out |
| Monday, July 4 |
| » Defeated Mets (30-50), 4-0 | Veteran's Stadium (22-13) | 38-36 | Won 2 |
| » W: Steve Carlton (9-9) L: Walt Terrell (1-3) | Second | 1½ out |
| Friday, July 8 |
| » Lost to Reds (35-47), 3-1 | Riverfront Stadium (1-2) | 38-37 | |
| » W: Joe Price (7-5) L: John Denny (6-5) S: Bill Scherrer (6) | Second | 1½ out |
| Saturday, July 9 |
| » Lost to Reds (36-47), 2-1 | Riverfront Stadium (1-3) | 38-38 | Lost 2 |
| » W: Tom Hume (1-3) L: Willie Hernandez (3-1) | Third | 1½ out |
| Sunday, July 10 |
| » Defeated Reds (36-48), 2-0 | Riverfront Stadium (2-3) | 39-38 | |
| » W: Marty Bystrom (3-4) L: Mario Soto (9-8) S: Al Holland (7) | Third | 1½ out |
| Monday, July 11 |
| » Defeated Reds (36-49), 11-7 | Riverfront Stadium (3-3) | 40-38 | Won 2 |
| » W: Al Holland (4-0) L: Tom Hume (1-4) | Second | 1½ out |
| Tuesday, July 12 |
| » Defeated Braves (52-33), 4-1 | Veteran's Stadium (23-13) | 41-38 | Won 3 |
| » W: John Denny (7-5) L: Ken Dayley (2-1) S: Al Holland (8) | First | -- |
| » Defeated Braves (52-34), 7-6 | Veteran's Stadium (24-13) | 42-38 | Won 4 |
| » W: Willie Hernandez (4-1) L: Steve Bedrosian (5-3) | First | -- |
| Wednesday, July 13 |
| » Lost to Braves (53-34), 5-2 | Veteran's Stadium (24-14) | 42-39 | |
| » W: Craig McMurtry (10-5) L: Steve Carlton (9-10) | First | -- |
| Thursday, July 14 |
| » Lost to Braves (54-34), 5-2 | Veteran's Stadium (24-15) | 42-40 | Lost 2 |
| » W: Steve Bedrosian (6-3) L: Willie Hernandez (4-2) S: Terry Forster (9) | Second | 2 out |
| Friday, July 15 |
| » Lost to Reds (39-50), 3-2 | Veteran's Stadium (24-16) | 42-41 | Lost 3 |
| » W: Mario Soto (10-8) L: Charles Hudson (2-3) | Second | 2 out |
| Saturday, July 16 |
| » Defeated Reds (39-51), 9-3 | Veteran's Stadium (25-16) | 43-41 | |
| » W: John Denny (8-5) L: Bruce Berenyi (4-10) | First | -- |
| Sunday, July 17 |
| » Lost to Reds (40-51), 5-2 | Veteran's Stadium (25-17) | 43-42 | |
| » W: Frank Pastore (4-8) L: Kevin Gross (2-1) | Second | 2 out |
| » Major-league debuts: Steve Jeltz (Phillies) |
| Monday, July 18 |
| » Lost to Astros (48-42), 8-2 | Veteran's Stadium (25-18) | 43-43 | Lost 2 |
| » Manager: Paul Owens |
| » W: Joe Niekro (8-7) L: Steve Carlton (9-11) | Second | 1½ out |
| Tuesday, July 19 |
| » Lost to Astros (49-42), 7-3 | Veteran's Stadium (25-19) | 43-44 | Lost 3 |
| » W: Bob Knepper (4-9) L: Marty Bystrom (3-5) S: Frank DiPino (10) | Third | 1½ out |
| Wednesday, July 20 |
| » Defeated Astros (49-43), 10-3 | Veteran's Stadium (26-19) | 44-44 | |
| » W: Charles Hudson (3-3) L: Mike Scott (5-4) | Third | ½ out |
| Thursday, July 21 |
| » Defeated Braves (58-37), 10-6 | Atlanta-Fulton County Stadium (2-1) | 45-44 | Won 2 |
| » W: John Denny (9-5) L: Rick Camp (7-8) | Second | ½ out |
| Friday, July 22 |
| » Lost to Braves (59-37), 6-1 | Atlanta-Fulton County Stadium (2-2) | 45-45 | |
| » W: Craig McMurtry (11-5) L: Kevin Gross (2-2) | Second | ½ out |
| Saturday, July 23 |
| » Lost to Braves (60-37), 6-5 | Atlanta-Fulton County Stadium (2-3) | 45-46 | Lost 2 |
| » W: Rick Camp (8-8) L: Willie Hernandez (4-3) | Third | 1½ out |
| Sunday, July 24 |
| » Lost to Braves (61-37), 12-4 | Atlanta-Fulton County Stadium (2-4) | 45-47 | Lost 3 |
| » W: Pascual Perez (11-2) L: Marty Bystrom (3-6) | Fourth | 2 out |
| Tuesday, July 26 |
| » Defeated Astros (50-47), 1-0 | Astrodome (3-1) | 46-47 | |
| » W: Charles Hudson (4-3) L: Nolan Ryan (9-4) S: Al Holland (9) | Fourth | 2 out |
| Wednesday, July 27 |
| » Defeated Astros (50-48), 3-1 | Astrodome (4-1) | 47-47 | Won 2 |
| » W: John Denny (10-5) L: Joe Niekro (8-8) S: Willie Hernandez (6) | Fourth | 2 out |
| Thursday, July 28 |
| » Defeated Astros (50-49), 6-5 | Astrodome (5-1) | 48-47 | Won 3 |
| » W: Ron Reed (5-1) L: Mike LaCoss (4-7) S: Al Holland (10) | Fourth | 2 out |
| Friday, July 29 |
| » Defeated Cubs (46-54), 3-2 | Veteran's Stadium (27-19) | 49-47 | Won 4 |
| » W: Al Holland (5-0) L: Lee Smith (4-6) | Fourth | 2 out |
| Saturday, July 30 |
| » Lost to Cubs (47-54), 4-3 | Veteran's Stadium (27-20) | 49-48 | |
| » W: Bill Campbell (3-6) L: Willie Hernandez (4-4) S: Lee Smith (15) | Third | 2½ out |
| » Defeated Cubs (47-55), 4-3 | Veteran's Stadium (28-20) | 50-48 | |
| » W: Charles Hudson (5-3) L: Steve Trout (8-9) S: Al Holland (11) | Third | 2½ out |
| Sunday, July 31 |
| » Defeated Cubs (47-56), 5-2 | Veteran's Stadium (29-20) | 51-48 | Won 2 |
| » W: John Denny (11-5) L: Dick Ruthven (7-9) S: Willie Hernandez (7) | Third | 2 out |
| Monday, August 1 |
| » Defeated Cubs (47-57), 2-1 | Veteran's Stadium (30-20) | 52-48 | Won 3 |
| » W: Steve Carlton (10-11) L: Bill Campbell (3-7) | Second | 1½ out |
| Tuesday, August 2 |
| » Lost to Pirates (55-49), 10-3 | Three Rivers Stadium (2-2) | 52-49 | |
| » W: Larry McWilliams (11-5) L: Kevin Gross (2-3) | Second | 1½ out |
| Wednesday, August 3 |
| » Lost to Pirates (56-49), 7-2 | Three Rivers Stadium (2-3) | 52-50 | Lost 2 |
| » W: John Candelaria (11-6) L: Marty Bystrom (3-7) S: Kent Tekulve (12) | Second | 2½ out |
| Thursday, August 4 |
| » Defeated Pirates (56-50), 5-1 | Three Rivers Stadium (3-3) | 53-50 | |
| » W: Charles Hudson (6-3) L: Rick Rhoden (8-9) S: Al Holland (12) | Second | 1½ out |
| Friday, August 5 |
| » Defeated Cardinals (53-54), 10-7 | Busch Stadium II (2-2) | 54-50 | Won 2 |
| » W: John Denny (12-5) L: John Stuper (7-8) S: Ron Reed (4) | Second | 1½ out |
| Saturday, August 6 |
| » Defeated Cardinals (53-55), 1-0 | Busch Stadium II (3-2) | 55-50 | Won 3 |
| » W: Al Holland (6-0) L: Bruce Sutter (8-7) | First | -- |
| » Major-league debuts: Danny Cox (Cardinals) |
| Former Phillie Jimmy Wasdell dies in New Port Richey, FL at the age of 70. |
| Sunday, August 7 |
| » Defeated Cardinals (53-56), 5-2 | Busch Stadium II (4-2) | 56-50 | Won 4 |
| » W: Marty Bystrom (4-7) L: Neil Allen (7-11) S: Ron Reed (5) | First | -- |
| Monday, August 8 |
| » Defeated Pirates (56-54), 14-5 | Veteran's Stadium (31-20) | 57-50 | Won 5 |
| » W: Charles Hudson (7-3) L: John Candelaria (11-7) | First | -- |
| Tuesday, August 9 |
| » Lost to Pirates (57-54), 3-1 | Veteran's Stadium (31-21) | 57-51 | |
| » W: Kent Tekulve (6-2) L: Al Holland (6-1) | First | -- |
| Wednesday, August 10 |
| » Defeated Pirates (57-55), 4-2 | Veteran's Stadium (32-21) | 58-51 | |
| » W: Steve Carlton (11-11) L: Jose DeLeon (2-2) S: Al Holland (13) | First | -- |
| Friday, August 12 |
| » Defeated Cardinals (54-59), 5-2 | Veteran's Stadium (33-21) | 59-51 | Won 2 |
| » W: Marty Bystrom (5-7) L: Neil Allen (7-12) S: Willie Hernandez (8) | First | -- |
| Saturday, August 13 |
| » Lost to Cardinals (55-59), 6-2 | Veteran's Stadium (33-22) | 59-52 | |
| » W: Dave LaPoint (10-7) L: Charles Hudson (7-4) | First | -- |
| Former Phillie Charlie Gilbert dies in New Orleans, LA at the age of 65. |
| Sunday, August 14 |
| » Defeated Cardinals (55-60), 5-1 | Veteran's Stadium (34-22) | 60-52 | |
| » W: John Denny (13-5) L: Bob Forsch (7-11) | First | -- |
| Monday, August 15 |
| » Defeated Cubs (52-65), 5-0 | Wrigley Field (2-2) | 61-52 | Won 2 |
| » W: Steve Carlton (12-11) L: Steve Trout (9-10) | First | -- |
| Tuesday, August 16 |
| » Lost to Cubs (53-65), 10-1 | Wrigley Field (2-3) | 61-53 | |
| » W: Dick Ruthven (9-9) L: Marty Bystrom (5-8) | First | -- |
| » Defeated Cubs (53-66), 6-2 | Wrigley Field (3-3) | 62-53 | |
| » W: Willie Hernandez (5-4) L: Mike Proly (1-5) S: Al Holland (14) | First | -- |
| Wednesday, August 17 |
| » Lost to Padres (60-60), 5-4 | San Diego/Jack Murphy Stadium (1-4) | 62-54 | |
| » W: Eric Show (12-8) L: Charles Hudson (7-5) S: Gary Lucas (13) | First | -- |
| Thursday, August 18 |
| » Defeated Padres (60-61), 4-2 | San Diego/Jack Murphy Stadium (2-4) | 63-54 | |
| » W: Al Holland (7-1) L: Gary Lucas (4-7) S: Ron Reed (6) | First | -- |
| Friday, August 19 |
| » Lost to Dodgers (67-52), 3-0 | Dodger Stadium (0-4) | 63-55 | |
| » W: Alejandro Pena (10-6) L: Steve Carlton (12-12) | First | -- |
| Saturday, August 20 |
| » Lost to Dodgers (68-52), 4-3 | Dodger Stadium (0-5) | 63-56 | Lost 2 |
| » W: Fernando Valenzuela (13-6) L: Marty Bystrom (5-9) S: Steve Howe (15) | First | -- |
| Sunday, August 21 |
| » Lost to Dodgers (69-52), 6-0 | Dodger Stadium (0-6) | 63-57 | Lost 3 |
| » W: Rick Honeycutt (15-8) L: Kevin Gross (2-4) | First | -- |
| Monday, August 22 |
| » Lost to Giants (58-67), 11-5 | Candlestick Park (2-2) | 63-58 | Lost 4 |
| » W: Bill Laskey (13-10) L: Charles Hudson (7-6) S: Gary Lavelle (15) | First | -- |
| Tuesday, August 23 |
| » Lost to Giants (59-67), 3-1 | Candlestick Park (2-3) | 63-59 | Lost 5 |
| » W: Mike Krukow (9-7) L: Al Holland (7-2) S: Greg Minton (15) | First | -- |
| Wednesday, August 24 |
| » Lost to Giants (60-67), 5-3 | Candlestick Park (2-4) | 63-60 | Lost 6 |
| » W: Renie Martin (2-4) L: Steve Carlton (12-13) | First | -- |
| » Major-league debuts: Juan Samuel (Phillies) |
| Friday, August 26 |
| » Defeated Dodgers (72-53), 4-1 | Veteran's Stadium (35-22) | 64-60 | |
| » W: Kevin Gross (3-4) L: Fernando Valenzuela (13-7) S: Al Holland (15) | Second | 1 out |
| Saturday, August 27 |
| » Lost to Dodgers (73-53), 6-1 | Veteran's Stadium (35-23) | 64-61 | |
| » W: Rick Honeycutt (16-8) L: Charles Hudson (7-7) | Second | 1 out |
| Sunday, August 28 |
| » Lost to Dodgers (74-53), 8-3 | Veteran's Stadium (35-24) | 64-62 | Lost 2 |
| » W: Jerry Reuss (9-10) L: John Denny (13-6) | Second | 1 out |
| Monday, August 29 |
| » Lost to Padres (65-66), 6-5 | Veteran's Stadium (35-25) | 64-63 | Lost 3 |
| » W: Luis DeLeon (4-5) L: Steve Carlton (12-14) | Second | 1½ out |
| » Defeated Padres (65-67), 8-6 | Veteran's Stadium (36-25) | 65-63 | |
| » W: Steve Comer (1-0) L: Sid Monge (5-2) S: Al Holland (16) | Second | 1½ out |
| Tuesday, August 30 |
| » Defeated Padres (65-68), 6-0 | Veteran's Stadium (37-25) | 66-63 | Won 2 |
| » W: Kevin Gross (4-4) L: Andy Hawkins (3-6) | Second | 2 out |
| » Lost to Padres (66-68), 7-5 | Veteran's Stadium (37-26) | 66-64 | |
| » W: Ed Whitson (3-7) L: Tug McGraw (1-1) S: Luis DeLeon (12) | Second | 2 out |
| Wednesday, August 31 |
| » Defeated Padres (66-69), 4-3 | Veteran's Stadium (38-26) | 67-64 | |
| » W: Al Holland (8-2) L: Elias Sosa (1-3) | Second | 1 out |
| Thursday, September 1 |
| » Defeated Giants (63-71), 4-2 | Veteran's Stadium (39-26) | 68-64 | Won 2 |
| » W: Tony Ghelfi (1-0) L: Atlee Hammaker (10-8) S: Al Holland (17) | First | -- |
| Friday, September 2 |
| » Defeated Giants (63-72), 5-3 | Veteran's Stadium (40-26) | 69-64 | Won 3 |
| » W: Ron Reed (6-1) L: Gary Lavelle (6-4) | First | -- |
| Saturday, September 3 |
| » Lost to Giants (64-72), 5-4 | Veteran's Stadium (40-27) | 69-65 | |
| » W: Mike Krukow (10-8) L: Steve Carlton (12-15) S: Greg Minton (17) | Second | 1 out |
| Sunday, September 4 |
| » Lost to Giants (65-72), 10-4 | Veteran's Stadium (40-28) | 69-66 | Lost 2 |
| » W: Andy McGaffigan (3-9) L: Kevin Gross (4-5) S: Greg Minton (18) | Second | 1 out |
| Monday, September 5 |
| » Lost to Mets (58-79), 6-5 | Shea Stadium (3-4) | 69-67 | Lost 3 |
| » W: Jesse Orosco (13-5) L: Al Holland (8-3) | Third | ½ out |
| Tuesday, September 6 |
| » Defeated Mets (58-80), 2-0 | Shea Stadium (4-4) | 70-67 | |
| » W: Tug McGraw (2-1) L: Ron Darling (0-1) S: Al Holland (18) | Third | ½ out |
| » Major-league debuts: Ron Darling (Mets) |
| Wednesday, September 7 |
| » Defeated Mets (58-81), 6-1 | Shea Stadium (5-4) | 71-67 | Won 2 |
| » W: John Denny (14-6) L: Walt Terrell (6-7) | Second | ½ out |
| Friday, September 9 |
| » Defeated Pirates (71-69), 4-3 | Three Rivers Stadium (4-3) | 72-67 | Won 3 |
| » W: Willie Hernandez (6-4) L: Jim Bibby (4-12) | First | -- |
| » Major-league debuts: Jeff Stone (Phillies) |
| Saturday, September 10 |
| » Lost to Pirates (72-69), 6-5 | Three Rivers Stadium (4-4) | 72-68 | |
| » W: Kent Tekulve (7-4) L: Al Holland (8-4) | Second | ½ out |
| Sunday, September 11 |
| » Defeated Pirates (72-70), 5-3 | Three Rivers Stadium (5-4) | 73-68 | |
| » W: Ron Reed (7-1) L: Cecilio Guante (2-4) | Second | ½ out |
| Monday, September 12 |
| » Defeated Mets (59-84), 2-1 | Veteran's Stadium (41-28) | 74-68 | Won 2 |
| » W: John Denny (15-6) L: Ron Darling (0-2) S: Al Holland (19) | First | -- |
| Tuesday, September 13 |
| » Lost to Mets (60-84), 5-1 | Veteran's Stadium (41-29) | 74-69 | |
| » W: Walt Terrell (7-7) L: Tony Ghelfi (1-1) | Second | ½ out |
| » Major-league debuts: Mike Fitzgerald (Mets) |
| Wednesday, September 14 |
| » Defeated Expos (74-69), 9-5 | Veteran's Stadium (42-29) | 75-69 | |
| » W: Steve Carlton (13-15) L: Bryn Smith (4-10) | First | -- |
| » Defeated Expos (74-70), 5-0 | Veteran's Stadium (43-29) | 76-69 | Won 2 |
| » W: Marty Bystrom (6-9) L: Ray Burris (4-7) | First | -- |
| Thursday, September 15 |
| » Lost to Expos (75-70), 4-1 | Veteran's Stadium (43-30) | 76-70 | |
| » W: Bill Gullickson (15-11) L: Kevin Gross (4-6) S: Bob James (4) | First | -- |
| Friday, September 16 |
| » Defeated Cardinals (73-73), 3-2 | Veteran's Stadium (44-30) | 77-70 | |
| » W: Willie Hernandez (7-4) < |