| Sunday, January 2 |
| Former Phillie Max Wilson dies in Greensboro, NC at the age of 61. |
| Wednesday, January 5 |
| Future Phillie Eric Junge is born in Manhasset, NY. |
| Wednesday, January 12 |
| Future Phillie Reggie Taylor is born in Newberry, SC. |
| Saturday, January 29 |
| Former Phillie Hod Ford dies in Winchester, MA at the age of 80. |
| Monday, April 4 |
| Future Phillie Eric Valent is born in LaMirada, CA. |
| Wednesday, April 6 |
| » Major-league debuts: Jose Baez (Mariners) |
| Thursday, April 7 |
| » Major-league debuts: Al Woods (Blue Jays) |
| Friday, April 8 |
| » Major-league debuts: Julio Gonzalez (Astros) |
| Saturday, April 9 |
| » Lost to Expos (1-0), 4-3 | Veteran's Stadium (0-1) | 0-1 | |
| » W: Jackie Brown (1-0) L: Steve Carlton (0-1) | Third | 1½ out |
| » Major-league debuts: Dane Iorg (Phillies) |
| Sunday, April 10 |
| » Lost to Expos (2-0), 9-8 | Veteran's Stadium (0-2) | 0-2 | Lost 2 |
| » W: Bill Atkinson (1-0) L: Gene Garber (0-1) S: Joe Kerrigan (1) | Fifth | 2½ out |
| Monday, April 11 |
| » Lost to Cubs (2-2), 6-2 | Veteran's Stadium (0-3) | 0-3 | Lost 3 |
| » W: Bill Bonham (1-0) L: Wayne Twitchell (0-1) | Fifth | 3 out |
| Wednesday, April 13 |
| » Lost to Cubs (3-2), 3-1 | Veteran's Stadium (0-4) | 0-4 | Lost 4 |
| » W: Ray Burris (1-1) L: Randy Lerch (0-1) S: Bruce Sutter (2) | Fifth | 3½ out |
| Friday, April 15 |
| » Defeated Expos (2-3), 7-2 | Stade Olympique (1-0) | 1-4 | |
| » W: Steve Carlton (1-1) L: Don Stanhouse (0-1) | Sixth | 3 out |
| Saturday, April 16 |
| » Lost to Expos (3-3), 4-3 | Stade Olympique (1-1) | 1-5 | |
| » W: Gerry Hannahs (1-0) L: Larry Christenson (0-1) S: Bill Atkinson (1) | Fifth | 3 out |
| Sunday, April 17 |
| » Lost to Expos (4-3), 2-1 | Stade Olympique (1-2) | 1-6 | Lost 2 |
| » W: Will McEnaney (1-1) L: Gene Garber (0-2) | Fifth | 4 out |
| Monday, April 18 |
| » Defeated Cubs (4-5), 3-1 | Wrigley Field (1-0) | 2-6 | |
| » W: Randy Lerch (1-1) L: Ray Burris (1-2) S: Ron Reed (1) | Fifth | 4 out |
| Tuesday, April 19 |
| » Defeated Cubs (4-6), 7-5 | Wrigley Field (2-0) | 3-6 | Won 2 |
| » W: Larry Christenson (1-1) L: Mike Krukow (0-1) S: Gene Garber (1) | Fifth | 3 out |
| Friday, April 22 |
| » Lost to Cardinals (9-4), 10-1 | Veteran's Stadium (0-5) | 3-7 | |
| » W: John Denny (4-0) L: Wayne Twitchell (0-2) | Sixth | 4½ out |
| Saturday, April 23 |
| » Defeated Cardinals (9-5), 11-1 | Veteran's Stadium (1-5) | 4-7 | |
| » W: Randy Lerch (2-1) L: Bob Forsch (3-1) | Sixth | 3½ out |
| Sunday, April 24 |
| » Defeated Cardinals (9-6), 6-3 | Veteran's Stadium (2-5) | 5-7 | Won 2 |
| » W: Steve Carlton (2-1) L: Pete Falcone (0-3) | Fifth | 2½ out |
| Tuesday, April 26 |
| » Lost to Pirates (8-6), 5-0 | Three Rivers Stadium (0-1) | 5-8 | |
| » W: John Candelaria (2-0) L: Larry Christenson (1-2) S: Rich Gossage (2) | Fifth | 2½ out |
| Wednesday, April 27 |
| » Lost to Pirates (9-6), 7-3 | Three Rivers Stadium (0-2) | 5-9 | Lost 2 |
| » W: Bruce Kison (2-1) L: Wayne Twitchell (0-3) | Sixth | 3½ out |
| Thursday, April 28 |
| Former Phillie Al Smith dies in Brownsville, TX at the age of 70. |
| Friday, April 29 |
| » Defeated Giants (8-10), 6-5 | Candlestick Park (1-0) | 6-9 | |
| » W: Steve Carlton (3-1) L: Jim Barr (3-2) S: Ron Reed (2) | Sixth | 3½ out |
| Saturday, April 30 |
| » Defeated Giants (8-11), 6-4 | Candlestick Park (2-0) | 7-9 | Won 2 |
| » W: Randy Lerch (3-1) L: Ed Halicki (2-2) S: Ron Reed (3) | Fifth | 3½ out |
| Sunday, May 1 |
| » Defeated Giants (8-12), 7-2 | Candlestick Park (3-0) | 8-9 | Won 3 |
| » W: Larry Christenson (2-2) L: Lynn McGlothen (0-3) | Fifth | 3½ out |
| Monday, May 2 |
| » Lost to Padres (9-16), 4-3 | San Diego/Jack Murphy Stadium (0-1) | 8-10 | |
| » W: Rollie Fingers (3-1) L: Ron Reed (0-1) | Sixth | 3½ out |
| Tuesday, May 3 |
| » Defeated Padres (9-17), 8-7 | San Diego/Jack Murphy Stadium (1-1) | 9-10 | |
| » W: Gene Garber (1-2) L: Victor Bernal (1-1) | Fifth | 3½ out |
| Wednesday, May 4 |
| » Lost to Padres (10-17), 4-1 | San Diego/Jack Murphy Stadium (1-2) | 9-11 | |
| » W: Randy Jones (2-4) L: Jim Kaat (0-1) | Fifth | 4½ out |
| Thursday, May 5 |
| » Defeated Padres (10-18), 8-5 | San Diego/Jack Murphy Stadium (2-2) | 10-11 | |
| » W: Randy Lerch (4-1) L: Bob Shirley (2-4) S: Gene Garber (2) | Fifth | 4 out |
| Friday, May 6 |
| » Lost to Dodgers (22-4), 9-3 | Dodger Stadium (0-1) | 10-12 | |
| » W: Don Sutton (4-0) L: Larry Christenson (2-3) | Fourth | 5 out |
| » Major-league debuts: Warren Brusstar (Phillies) |
| Saturday, May 7 |
| » Defeated Dodgers (22-5), 7-4 | Dodger Stadium (1-1) | 11-12 | |
| » W: Tom Underwood (1-0) L: Al Downing (0-1) | Fourth | 5 out |
| Tuesday, May 10 |
| » Defeated Giants (12-16), 3-0 | Veteran's Stadium (3-5) | 12-12 | Won 2 |
| » W: Steve Carlton (4-1) L: Terry Cornutt (0-1) | Fifth | 6 out |
| Wednesday, May 11 |
| » Lost to Giants (13-16), 4-2 | Veteran's Stadium (3-6) | 12-13 | |
| » W: Lynn McGlothen (2-3) L: Randy Lerch (4-2) | Fifth | 7 out |
| Thursday, May 12 |
| » Defeated Giants (13-17), 3-0 | Veteran's Stadium (4-6) | 13-13 | |
| » W: Larry Christenson (3-3) L: John Montefusco (2-5) | Fifth | 6 out |
| Friday, May 13 |
| » Defeated Padres (14-20), 5-4 | Veteran's Stadium (5-6) | 14-13 | Won 2 |
| » W: Ron Reed (1-1) L: Dave Tomlin (0-1) S: Gene Garber (3) | Fourth | 5 out |
| Saturday, May 14 |
| » Defeated Padres (14-21), 9-5 | Veteran's Stadium (6-6) | 15-13 | Won 3 |
| » W: Tom Underwood (2-0) L: Brent Strom (0-2) S: Gene Garber (4) | Fourth | 5 out |
| Sunday, May 15 |
| » Defeated Padres (14-22), 5-2 | Veteran's Stadium (7-6) | 16-13 | Won 4 |
| » W: Steve Carlton (5-1) L: Randy Jones (3-5) | Fourth | 5 out |
| Monday, May 16 |
| » Defeated Dodgers (26-8), 10-6 | Veteran's Stadium (8-6) | 17-13 | Won 5 |
| » W: Randy Lerch (5-2) L: Tommy John (3-2) S: Ron Reed (4) | Fourth | 4½ out |
| Tuesday, May 17 |
| » Lost to Dodgers (27-8), 6-4 | Veteran's Stadium (8-7) | 17-14 | |
| » W: Don Sutton (6-0) L: Larry Christenson (3-4) S: Charlie Hough (10) | Fourth | 5½ out |
| Wednesday, May 18 |
| » Lost to Dodgers (28-8), 6-4 | Veteran's Stadium (8-8) | 17-15 | Lost 2 |
| » W: Rick Rhoden (6-1) L: Wayne Twitchell (0-4) S: Charlie Hough (11) | Fourth | 5½ out |
| Thursday, May 19 |
| » Lost to Astros (15-21), 3-2 | Astrodome (0-1) | 17-16 | Lost 3 |
| » W: Joaquin Andujar (3-3) L: Gene Garber (1-3) S: Joe Sambito (1) | Fourth | 6½ out |
| Friday, May 20 |
| » Lost to Astros (16-21), 5-2 | Astrodome (0-2) | 17-17 | Lost 4 |
| » W: J.R. Richard (3-4) L: Steve Carlton (5-2) | Fourth | 6½ out |
| Saturday, May 21 |
| » Defeated Astros (16-22), 7-4 | Astrodome (1-2) | 18-17 | |
| » W: Ron Reed (2-1) L: Dan Larson (0-2) | Fourth | 5½ out |
| Sunday, May 22 |
| » Defeated Astros (16-23), 6-3 | Astrodome (2-2) | 19-17 | Won 2 |
| » W: Larry Christenson (4-4) L: Floyd Bannister (1-4) S: Warren Brusstar (1) | Fourth | 5½ out |
| Tuesday, May 24 |
| » Lost to Cardinals (23-16), 8-5 | Busch Stadium II (0-1) | 19-18 | |
| » W: Bob Forsch (7-1) L: Jim Kaat (0-2) S: Al Hrabosky (5) | Fourth | 6½ out |
| Wednesday, May 25 |
| » Defeated Cardinals (23-17), 2-1 | Busch Stadium II (1-1) | 20-18 | |
| » W: Steve Carlton (6-2) L: Pete Falcone (1-5) S: Tom Underwood (1) | Fourth | 6 out |
| Thursday, May 26 |
| » Lost to Cardinals (24-17), 4-3 | Busch Stadium II (1-2) | 20-19 | |
| » W: Butch Metzger (1-0) L: Ron Reed (2-2) | Fourth | 6½ out |
| Friday, May 27 |
| » Defeated Mets (15-26), 5-4 | Veteran's Stadium (9-8) | 21-19 | |
| » W: Gene Garber (2-3) L: Skip Lockwood (0-2) | Fourth | 5½ out |
| Saturday, May 28 |
| » Defeated Mets (15-27), 4-2 | Veteran's Stadium (10-8) | 22-19 | Won 2 |
| » W: Ron Reed (3-2) L: Skip Lockwood (0-3) | Fourth | 5 out |
| Sunday, May 29 |
| » Defeated Mets (15-28), 7-6 | Veteran's Stadium (11-8) | 23-19 | Won 3 |
| » W: Jim Kaat (1-2) L: Jon Matlack (3-6) S: Gene Garber (5) | Fourth | 5 out |
| Monday, May 30 |
| » Defeated Pirates (26-16), 6-4 | Veteran's Stadium (12-8) | 24-19 | Won 4 |
| » W: Steve Carlton (7-2) L: Bruce Kison (3-3) | Fourth | 4 out |
| Tuesday, May 31 |
| » Defeated Pirates (26-17), 6-5 | Veteran's Stadium (13-8) | 25-19 | Won 5 |
| » W: Ron Reed (4-2) L: Kent Tekulve (3-1) | Fourth | 3 out |
| Wednesday, June 1 |
| » Lost to Pirates (27-17), 3-0 | Veteran's Stadium (13-9) | 25-20 | |
| » W: John Candelaria (7-1) L: Larry Christenson (4-5) | Fourth | 4 out |
| Friday, June 3 |
| » Defeated Mets (18-31), 1-0 | Shea Stadium (1-0) | 26-20 | |
| » W: Jim Lonborg (1-0) L: Jon Matlack (3-7) S: Ron Reed (5) | Fourth | 3 out |
| Saturday, June 4 |
| » Lost to Mets (19-31), 2-0 | Shea Stadium (1-1) | 26-21 | |
| » W: Nino Espinosa (3-4) L: Steve Carlton (7-3) S: Skip Lockwood (7) | Fourth | 4 out |
| Sunday, June 5 |
| » Lost to Mets (20-31), 6-5 | Shea Stadium (1-2) | 26-22 | Lost 2 |
| » W: Bob Apodaca (1-2) L: Tom Underwood (2-1) | Fourth | 4½ out |
| » Lost to Mets (21-31), 3-2 | Shea Stadium (1-3) | 26-23 | Lost 3 |
| » W: Craig Swan (3-4) L: Jim Kaat (1-3) S: Skip Lockwood (8) | Fourth | 4½ out |
| Monday, June 6 |
| » Defeated Astros (22-31), 9-5 | Veteran's Stadium (14-9) | 27-23 | |
| » W: Larry Christenson (5-5) L: Bo McLaughlin (1-3) S: Warren Brusstar (2) | Fourth | 4½ out |
| Tuesday, June 7 |
| » Defeated Astros (22-32), 9-8 | Veteran's Stadium (15-9) | 28-23 | Won 2 |
| » W: Tom Underwood (3-1) L: Joe Niekro (0-1) S: Gene Garber (6) | Fourth | 4½ out |
| Wednesday, June 8 |
| » Defeated Astros (22-33), 3-2 | Veteran's Stadium (16-9) | 29-23 | Won 3 |
| » W: Steve Carlton (8-3) L: Mark Lemongello (1-9) | Fourth | 3½ out |
| Thursday, June 9 |
| » Lost to Braves (21-36), 3-0 | Atlanta-Fulton County Stadium (0-1) | 29-24 | |
| » W: Phil Niekro (4-8) L: Jim Kaat (1-4) | Fourth | 4½ out |
| Friday, June 10 |
| » Defeated Braves (21-37), 7-5 | Atlanta-Fulton County Stadium (1-1) | 30-24 | |
| » W: Ron Reed (5-2) L: Dave Campbell (0-2) S: Gene Garber (7) | Fourth | 4½ out |
| Former Phillie Dick Farrell dies in Great Yarmouth, England at the age of 44. |
| Saturday, June 11 |
| » Defeated Braves (21-38), 13-10 | Atlanta-Fulton County Stadium (2-1) | 31-24 | Won 2 |
| » W: Warren Brusstar (1-0) L: Buzz Capra (1-6) S: Gene Garber (8) | Fourth | 4½ out |
| » Major-league debuts: Joey McLaughlin (Braves) |
| Sunday, June 12 |
| » Lost to Braves (22-38), 5-3 | Atlanta-Fulton County Stadium (2-2) | 31-25 | |
| » W: Rick Camp (4-1) L: Gene Garber (2-4) | Fourth | 5½ out |
| Monday, June 13 |
| » Lost to Reds (30-27), 5-4 | Riverfront Stadium (0-1) | 31-26 | Lost 2 |
| » W: Pedro Borbon (2-3) L: Wayne Twitchell (0-5) | Fourth | 6 out |
| Tuesday, June 14 |
| » Lost to Reds (31-27), 3-2 | Riverfront Stadium (0-2) | 31-27 | Lost 3 |
| » W: Fred Norman (7-2) L: Jim Kaat (1-5) | Fourth | 7 out |
| Wednesday, June 15 |
| » Lost to Reds (32-27), 8-7 | Riverfront Stadium (0-3) | 31-28 | Lost 4 |
| » W: Pedro Borbon (3-3) L: Tom Underwood (3-2) | Fourth | 8 out |
| Former Phillie Bill Lee dies in Plaquemine, LA at the age of 68. |
| Thursday, June 16 |
| » Major-league debuts: Steve Henderson (Mets) |
| Friday, June 17 |
| » Defeated Braves (23-41), 11-5 | Veteran's Stadium (17-9) | 32-28 | |
| » W: Larry Christenson (6-5) L: Andy Messersmith (4-3) S: Ron Reed (6) | Fourth | 7½ out |
| Saturday, June 18 |
| » Defeated Braves (23-42), 8-5 | Veteran's Stadium (18-9) | 33-28 | Won 2 |
| » W: Tug McGraw (1-0) L: Frank LaCorte (1-7) | Fourth | 6½ out |
| Sunday, June 19 |
| » Defeated Braves (23-43), 4-2 | Veteran's Stadium (19-9) | 34-28 | Won 3 |
| » W: Steve Carlton (9-3) L: Steve Hargan (2-4) | Second | 5½ out |
| Future Phillie Bruce Chen is born in Panama City, Panama. |
| Monday, June 20 |
| » Defeated Reds (34-29), 10-4 | Veteran's Stadium (20-9) | 35-28 | Won 4 |
| » W: Jim Kaat (2-5) L: Fred Norman (7-3) | Second | 5½ out |
| Tuesday, June 21 |
| » Lost to Reds (35-29), 10-5 | Veteran's Stadium (20-10) | 35-29 | |
| » W: Pedro Borbon (4-3) L: Warren Brusstar (1-1) | Second | 6½ out |
| » Major-league debuts: Paul Moskau (Reds) |
| Wednesday, June 22 |
| » Defeated Reds (35-30), 15-9 | Veteran's Stadium (21-10) | 36-29 | |
| » W: Tug McGraw (2-0) L: Tom Hume (0-3) | Second | 6½ out |
| Friday, June 24 |
| » Lost to Cardinals (36-31), 7-1 | Busch Stadium II (1-3) | 36-30 | |
| » W: Eric Rasmussen (6-8) L: Jim Lonborg (1-1) | Third | 7½ out |
| Saturday, June 25 |
| » Lost to Cardinals (37-31), 3-2 | Busch Stadium II (1-4) | 36-31 | Lost 2 |
| » W: Bob Forsch (9-4) L: Steve Carlton (9-4) S: Rawly Eastwick (8) | Fourth | 8½ out |
| Sunday, June 26 |
| » Defeated Cardinals (37-32), 2-0 | Busch Stadium II (2-4) | 37-31 | |
| » W: Jim Kaat (3-5) L: Larry Dierker (1-4) S: Gene Garber (9) | Third | 8½ out |
| Former Phillie Jack Berly dies in Houston, TX at the age of 75. |
| Monday, June 27 |
| » Defeated Mets (29-42), 4-2 | Shea Stadium (2-3) | 38-31 | Won 2 |
| » W: Tug McGraw (3-0) L: Skip Lockwood (1-4) | Second | 8½ out |
| Tuesday, June 28 |
| » Defeated Mets (29-43), 3-1 | Shea Stadium (3-3) | 39-31 | Won 3 |
| » W: Ron Reed (6-2) L: Rick Baldwin (1-1) S: Tug McGraw (1) | Second | 8½ out |
| Wednesday, June 29 |
| » Lost to Mets (30-43), 5-3 | Shea Stadium (3-4) | 39-32 | |
| » W: Jerry Koosman (6-8) L: Jim Lonborg (1-2) S: Skip Lockwood (11) | Second | 8½ out |
| Thursday, June 30 |
| » Defeated Pirates (39-34), 8-1 | Veteran's Stadium (22-10) | 40-32 | |
| » W: Steve Carlton (10-4) L: Odell Jones (2-3) | Second | 7½ out |
| Friday, July 1 |
| » Defeated Pirates (39-35), 7-6 | Veteran's Stadium (23-10) | 41-32 | Won 2 |
| » W: Gene Garber (3-4) L: Grant Jackson (0-3) | Second | 6½ out |
| Saturday, July 2 |
| » Defeated Pirates (39-36), 4-3 | Veteran's Stadium (24-10) | 42-32 | Won 3 |
| » W: Warren Brusstar (2-1) L: Jerry Reuss (3-9) S: Ron Reed (7) | Second | 5½ out |
| Sunday, July 3 |
| » Defeated Pirates (39-37), 11-7 | Veteran's Stadium (25-10) | 43-32 | Won 4 |
| » W: Larry Christenson (7-5) L: Bruce Kison (6-4) | Second | 5½ out |
| Monday, July 4 |
| » Defeated Mets (31-48), 3-1 | Veteran's Stadium (26-10) | 44-32 | Won 5 |
| » W: Jim Lonborg (2-2) L: Jerry Koosman (6-9) S: Ron Reed (8) | Second | 4 out |
| Tuesday, July 5 |
| » Defeated Mets (31-49), 12-1 | Veteran's Stadium (27-10) | 45-32 | Won 6 |
| » W: Steve Carlton (11-4) L: Pat Zachry (3-9) | Second | 3 out |
| Wednesday, July 6 |
| » Defeated Mets (31-50), 5-3 | Veteran's Stadium (28-10) | 46-32 | Won 7 |
| » W: Gene Garber (4-4) L: Jon Matlack (3-11) S: Tug McGraw (2) | Second | 3 out |
| Thursday, July 7 |
| » Defeated Mets (31-51), 6-4 | Veteran's Stadium (29-10) | 47-32 | Won 8 |
| » W: Warren Brusstar (3-1) L: Nino Espinosa (4-7) S: Ron Reed (9) | Second | 3 out |
| Friday, July 8 |
| » Lost to Pirates (43-38), 8-7 | Three Rivers Stadium (0-3) | 47-33 | |
| » W: Rich Gossage (7-5) L: Warren Brusstar (3-2) | Second | 4 out |
| Saturday, July 9 |
| » Lost to Pirates (44-38), 9-8 | Three Rivers Stadium (0-4) | 47-34 | Lost 2 |
| » W: Terry Forster (2-2) L: Gene Garber (4-5) | Second | 4 out |
| Sunday, July 10 |
| » Lost to Pirates (45-38), 5-1 | Three Rivers Stadium (0-5) | 47-35 | Lost 3 |
| » W: Jerry Reuss (4-9) L: Jim Lonborg (2-3) | Second | 5 out |
| » Lost to Pirates (46-38), 12-10 | Three Rivers Stadium (0-6) | 47-36 | Lost 4 |
| » W: Grant Jackson (1-3) L: Ron Reed (6-3) S: Rich Gossage (15) | Second | 5 out |
| Tuesday, July 12 |
| » Defeated Cardinals (46-41), 5-4 | Veteran's Stadium (30-10) | 48-36 | |
| » W: Randy Lerch (6-2) L: Rawly Eastwick (3-5) | Second | 4 out |
| Wednesday, July 13 |
| » Defeated Cardinals (46-42), 5-2 | Veteran's Stadium (31-10) | 49-36 | Won 2 |
| » W: Steve Carlton (12-4) L: Tom Underwood (5-5) S: Tug McGraw (3) | Second | 3½ out |
| Thursday, July 14 |
| » Lost to Cardinals (47-42), 7-6 | Veteran's Stadium (31-11) | 49-37 | |
| » W: Rawly Eastwick (4-5) L: Tug McGraw (3-1) S: Al Hrabosky (7) | Second | 4 out |
| Friday, July 15 |
| » Defeated Cubs (53-33), 4-2 | Veteran's Stadium (32-11) | 50-37 | |
| » W: Larry Christenson (8-5) L: Bill Bonham (9-9) S: Tug McGraw (4) | Second | 2 out |
| » Defeated Cubs (53-34), 9-2 | Veteran's Stadium (33-11) | 51-37 | Won 2 |
| » W: Jim Lonborg (3-3) L: Mike Krukow (7-7) | Second | 2 out |
| Saturday, July 16 |
| » Lost to Cubs (54-34), 9-8 | Veteran's Stadium (33-12) | 51-38 | |
| » W: Pete Broberg (1-0) L: Ron Reed (6-4) S: Bruce Sutter (24) | Second | 3 out |
| Former Phillie Milt Stock dies in Fairhope, AL at the age of 85. |
| Sunday, July 17 |
| » Defeated Cubs (54-35), 4-2 | Veteran's Stadium (34-12) | 52-38 | |
| » W: Steve Carlton (13-4) L: Ray Burris (10-9) S: Tug McGraw (5) | Second | 2 out |
| Thursday, July 21 |
| » Defeated Giants (43-52), 9-6 | Candlestick Park (4-0) | 53-38 | Won 2 |
| » W: Jim Lonborg (4-3) L: Charlie Williams (4-3) S: Gene Garber (10) | Second | 2 out |
| Friday, July 22 |
| » Lost to Giants (44-52), 6-2 | Candlestick Park (4-1) | 53-39 | |
| » W: John Montefusco (3-8) L: Steve Carlton (13-5) S: Gary Lavelle (14) | Second | 3 out |
| Saturday, July 23 |
| » Defeated Giants (44-53), 6-3 | Candlestick Park (5-1) | 54-39 | |
| » W: Larry Christenson (9-5) L: Bob Knepper (4-4) S: Tug McGraw (6) | Second | 2 out |
| Sunday, July 24 |
| » Defeated Padres (42-57), 7-4 | San Diego/Jack Murphy Stadium (3-2) | 55-39 | Won 2 |
| » W: Jim Kaat (4-5) L: Bob Owchinko (3-6) S: Ron Reed (10) | Second | ½ out |
| Monday, July 25 |
| » Defeated Padres (42-58), 6-4 | San Diego/Jack Murphy Stadium (4-2) | 56-39 | Won 3 |
| » W: Tug McGraw (4-1) L: Dan Spillner (5-1) | Second | ½ out |
| Tuesday, July 26 |
| » Lost to Dodgers (61-37), 5-1 | Dodger Stadium (1-2) | 56-40 | |
| » W: Rick Rhoden (11-7) L: Steve Carlton (13-6) S: Mike Garman (4) | Second | 1 out |
| » Defeated Dodgers (61-38), 5-1 | Dodger Stadium (2-2) | 57-40 | |
| » W: Jim Lonborg (5-3) L: Burt Hooton (8-5) | Second | 1 out |
| Wednesday, July 27 |
| » Lost to Dodgers (62-38), 7-5 | Dodger Stadium (2-3) | 57-41 | |
| » W: Lance Rautzhan (1-0) L: Tug McGraw (4-2) S: Mike Garman (5) | Second | 1½ out |
| Thursday, July 28 |
| » Lost to Dodgers (63-38), 2-1 | Dodger Stadium (2-4) | 57-42 | Lost 2 |
| » W: Tommy John (11-4) L: Jim Kaat (4-6) | Third | 2½ out |
| Friday, July 29 |
| » Lost to Giants (47-56), 7-0 | Veteran's Stadium (34-13) | 57-43 | Lost 3 |
| » W: Jim Barr (10-7) L: Randy Lerch (6-3) | Third | 2½ out |
| Saturday, July 30 |
| » Defeated Giants (47-57), 9-3 | Veteran's Stadium (35-13) | 58-43 | |
| » W: Steve Carlton (14-6) L: Lynn McGlothen (2-8) S: Gene Garber (11) | Third | 1½ out |
| Sunday, July 31 |
| » Defeated Giants (47-58), 5-4 | Veteran's Stadium (36-13) | 59-43 | Won 2 |
| » W: Tug McGraw (5-2) L: Gary Lavelle (6-5) S: Ron Reed (11) | Second | 1½ out |
| Tuesday, August 2 |
| » Lost to Padres (46-62), 4-2 | Veteran's Stadium (36-14) | 59-44 | |
| » W: Bob Owchinko (4-7) L: Jim Kaat (4-7) S: Rollie Fingers (23) | Second | 2 out |
| Wednesday, August 3 |
| » Defeated Padres (46-63), 8-1 | Veteran's Stadium (37-14) | 60-44 | |
| » W: Steve Carlton (15-6) L: Bob Shirley (6-13) | Second | 1 out |
| Thursday, August 4 |
| » Defeated Padres (46-64), 2-1 | Veteran's Stadium (38-14) | 61-44 | Won 2 |
| » W: Tug McGraw (6-2) L: Dan Spillner (5-3) | Second | ½ out |
| Friday, August 5 |
| » Defeated Dodgers (67-41), 8-3 | Veteran's Stadium (39-14) | 62-44 | Won 3 |
| » W: Gene Garber (5-5) L: Lance Rautzhan (1-1) | First | -- |
| Saturday, August 6 |
| » Defeated Dodgers (67-42), 1-0 | Veteran's Stadium (40-14) | 63-44 | Won 4 |
| » W: Gene Garber (6-5) L: Burt Hooton (9-6) | First | -- |
| Sunday, August 7 |
| » Defeated Dodgers (67-43), 3-1 | Veteran's Stadium (41-14) | 64-44 | Won 5 |
| » W: Steve Carlton (16-6) L: Don Sutton (10-6) | First | -- |
| Wednesday, August 10 |
| » Defeated Expos (52-60), 6-1 | Veteran's Stadium (42-14) | 65-44 | Won 6 |
| » W: Larry Christenson (10-5) L: Steve Rogers (12-11) | First | -- |
| » Defeated Expos (52-61), 6-1 | Veteran's Stadium (43-14) | 66-44 | Won 7 |
| » W: Jim Lonborg (6-3) L: Santo Alcala (3-7) | First | -- |
| Thursday, August 11 |
| » Defeated Expos (52-62), 10-5 | Veteran's Stadium (44-14) | 67-44 | Won 8 |
| » W: Jim Kaat (5-7) L: Jackie Brown (8-10) S: Gene Garber (12) | First | -- |
| Friday, August 12 |
| » Defeated Cubs (65-48), 10-3 | Wrigley Field (3-0) | 68-44 | Won 9 |
| » W: Steve Carlton (17-6) L: Rick Reuschel (15-5) | First | -- |
| Saturday, August 13 |
| » Defeated Cubs (65-49), 10-7 | Wrigley Field (4-0) | 69-44 | Won 10 |
| » W: Ron Reed (7-4) L: Dave Giusti (3-4) S: Gene Garber (13) | First | -- |
| Sunday, August 14 |
| » Defeated Cubs (65-50), 10-2 | Wrigley Field (5-0) | 70-44 | Won 11 |
| » W: Larry Christenson (11-5) L: Mike Krukow (7-10) | First | -- |
| » Defeated Cubs (65-51), 4-2 | Wrigley Field (6-0) | 71-44 | Won 12 |
| » W: Jim Lonborg (7-3) L: Steve Renko (2-2) S: Ron Reed (12) | First | -- |
| Tuesday, August 16 |
| » Defeated Expos (53-65), 7-5 | Stade Olympique (2-2) | 72-44 | Won 13 |
| » W: Warren Brusstar (4-2) L: Joe Kerrigan (2-4) S: Gene Garber (14) | First | -- |
| Wednesday, August 17 |
| » Lost to Expos (54-65), 13-0 | Stade Olympique (2-3) | 72-45 | |
| » W: Stan Bahnsen (8-7) L: Steve Carlton (17-7) | First | -- |
| Thursday, August 18 |
| » Defeated Expos (54-66), 8-3 | Stade Olympique (3-3) | 73-45 | |
| » W: Jim Lonborg (8-3) L: Wayne Twitchell (2-9) | First | -- |
| Friday, August 19 |
| » Defeated Astros (57-65), 9-5 | Veteran's Stadium (45-14) | 74-45 | Won 2 |
| » W: Larry Christenson (12-5) L: Joe Niekro (8-5) | First | -- |
| Saturday, August 20 |
| » Defeated Astros (57-66), 5-4 | Veteran's Stadium (46-14) | 75-45 | Won 3 |
| » W: Tug McGraw (7-2) L: Bo McLaughlin (3-6) | First | -- |
| Sunday, August 21 |
| » Defeated Astros (57-67), 7-3 | Veteran's Stadium (47-14) | 76-45 | Won 4 |
| » W: Steve Carlton (18-7) L: Mark Lemongello (5-14) | First | -- |
| Monday, August 22 |
| » Defeated Braves (43-80), 5-4 | Atlanta-Fulton County Stadium (3-2) | 77-45 | Won 5 |
| » W: Jim Lonborg (9-3) L: Preston Hanna (0-2) S: Ron Reed (13) | First | -- |
| Tuesday, August 23 |
| » Defeated Braves (43-81), 3-2 | Atlanta-Fulton County Stadium (4-2) | 78-45 | Won 6 |
| » W: Randy Lerch (7-3) L: Phil Niekro (12-16) S: Tug McGraw (7) | First | -- |
| Former Phillie Bubber Jonnard dies in New York, NY at the age of 80. |
| Wednesday, August 24 |
| » Lost to Astros (58-69), 3-1 | Astrodome (2-3) | 78-46 | |
| » W: Joe Niekro (9-5) L: Larry Christenson (12-6) | First | -- |
| Former Phillie Leo Cristante dies in Dearborn, MI at the age of 51. |
| Thursday, August 25 |
| » Lost to Astros (59-69), 6-5 | Astrodome (2-4) | 78-47 | Lost 2 |
| » W: Gene Pentz (4-2) L: Ron Reed (7-5) S: Bo McLaughlin (5) | First | -- |
| Friday, August 26 |
| » Lost to Reds (68-61), 4-2 | Riverfront Stadium (0-4) | 78-48 | Lost 3 |
| » W: Tom Seaver (15-5) L: Steve Carlton (18-8) | First | -- |
| Saturday, August 27 |
| » Lost to Reds (69-61), 6-5 | Riverfront Stadium (0-5) | 78-49 | Lost 4 |
| » W: Jack Billingham (10-10) L: Tug McGraw (7-3) | First | -- |
| Sunday, August 28 |
| » Lost to Reds (70-61), 9-0 | Riverfront Stadium (0-6) | 78-50 | Lost 5 |
| » W: Paul Moskau (4-4) L: Randy Lerch (7-4) | First | -- |
| Monday, August 29 |
| » Defeated Braves (48-82), 3-2 | Veteran's Stadium (48-14) | 79-50 | |
| » W: Gene Garber (7-5) L: Steve Hargan (2-6) | First | -- |
| Tuesday, August 30 |
| » Defeated Braves (48-83), 11-2 | Veteran's Stadium (49-14) | 80-50 | Won 2 |
| » W: Jim Kaat (6-7) L: Preston Hanna (1-3) | First | -- |
| Future Phillie Marlon Byrd is born in Boynton Beach, FL. |
| Wednesday, August 31 |
| » Defeated Braves (48-84), 6-1 | Veteran's Stadium (50-14) | 81-50 | Won 3 |
| » W: Steve Carlton (19-8) L: Phil Niekro (13-17) | First | -- |
| Friday, September 2 |
| » Defeated Reds (72-63), 3-0 | Veteran's Stadium (51-14) | 82-50 | Won 4 |
| » W: Jim Lonborg (10-3) L: Mario Soto (2-4) | First | -- |
| Saturday, September 3 |
| » Defeated Reds (72-64), 9-3 | Veteran's Stadium (52-14) | 83-50 | Won 5 |
| » W: Larry Christenson (13-6) L: Paul Moskau (4-5) | First | -- |
| Sunday, September 4 |
| » Lost to Reds (73-64), 5-2 | Veteran's Stadium (52-15) | 83-51 | |
| » W: Fred Norman (14-10) L: Jim Kaat (6-8) | First | -- |
| Monday, September 5 |
| » Lost to Pirates (78-59), 3-1 | Three Rivers Stadium (0-7) | 83-52 | Lost 2 |
| » W: John Candelaria (16-4) L: Randy Lerch (7-5) S: Rich Gossage (19) | First | -- |
| » Defeated Pirates (78-60), 11-1 | Three Rivers Stadium (1-7) | 84-52 | |
| » W: Steve Carlton (20-8) L: Bruce Kison (7-8) | First | -- |
| » Major-league debuts: Al Holland (Pirates) |
| Tuesday, September 6 |
| » Lost to Pirates (79-60), 5-4 | Three Rivers Stadium (1-8) | 84-53 | |
| » W: Rich Gossage (10-9) L: Gene Garber (7-6) | First | -- |
| Wednesday, September 7 |
| » Defeated Mets (54-85), 6-2 | Shea Stadium (4-4) | 85-53 | |
| » W: Larry Christenson (14-6) L: Pat Zachry (8-13) | First | -- |
| Thursday, September 8 |
| » Defeated Mets (54-86), 8-2 | Shea Stadium (5-4) | 86-53 | Won 2 |
| » W: Gene Garber (8-6) L: Nino Espinosa (7-12) S: Tug McGraw (8) | First | -- |
| Friday, September 9 |
| » Defeated Cardinals (74-67), 11-4 | Veteran's Stadium (53-15) | 87-53 | Won 3 |
| » W: Steve Carlton (21-8) L: John Urrea (7-4) | First | -- |
| Saturday, September 10 |
| » Defeated Cardinals (74-68), 3-1 | Veteran's Stadium (54-15) | 88-53 | Won 4 |
| » W: Randy Lerch (8-5) L: Eric Rasmussen (10-15) | First | -- |
| Sunday, September 11 |
| » Defeated Cardinals (74-69), 6-5 | Veteran's Stadium (55-15) | 89-53 | Won 5 |
| » W: Warren Brusstar (5-2) L: John Sutton (0-1) S: Gene Garber (15) | First | -- |
| Monday, September 12 |
| » Defeated Pirates (82-63), 6-2 | Veteran's Stadium (56-15) | 90-53 | Won 6 |
| » W: Larry Christenson (15-6) L: Jerry Reuss (10-13) | First | -- |
| Tuesday, September 13 |
| » Lost to Pirates (83-63), 2-0 | Veteran's Stadium (56-16) | 90-54 | |
| » W: Jim Rooker (12-9) L: Jim Kaat (6-9) S: Rich Gossage (21) | First | -- |
| Wednesday, September 14 |
| » Lost to Mets (58-88), 1-0 | Veteran's Stadium (56-17) | 90-55 | Lost 2 |
| » W: Nino Espinosa (8-12) L: Steve Carlton (21-9) | First | -- |
| Thursday, September 15 |
| » Defeated Mets (58-89), 8-2 | Veteran's Stadium (57-17) | 91-55 | |
| » W: Randy Lerch (9-5) L: Craig Swan (8-9) S: Ron Reed (14) | First | -- |
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