| Monday, January 15 |
| Future Phillie Wayne Gomes is born in Hampton, VA. |
| Friday, February 23 |
| Future Phillie Jason Boyd is born in St. Clair, IL. |
| Monday, March 5 |
| Future Phillie Felipe Crespo is born in Rio Piedras, P.R. |
| Wednesday, March 14 |
| Future Phillie Robert Dodd is born in Kansas City, KS. |
| Thursday, April 5 |
| » Major-league debuts: Gene Locklear (Reds) |
| Friday, April 6 |
| » Lost to Mets (1-0), 3-0 | Shea Stadium (0-1) | 0-1 | |
| » Starters: Steve Carlton vs Tom Seaver | Second | 1 out |
| Saturday, April 7 |
| » Lost to Mets (2-0), 3-2 | Shea Stadium (0-2) | 0-2 | Lost 2 |
| » Starters: Jim Lonborg vs Jon Matlack | Fourth | 2 out |
| Sunday, April 8 |
| » Major-league debuts: Ray Burris (Cubs) |
| Monday, April 9 |
| » Major-league debuts: Rich Troedson (Padres) |
| Tuesday, April 10 |
| » Defeated Expos (1-3), 7-5 | Veteran's Stadium (1-0) | 1-2 | |
| » Starters: Mike Torrez vs Steve Carlton | Fourth | 2 out |
| Thursday, April 12 |
| » Lost to Expos (2-3), 5-3 | Veteran's Stadium (1-1) | 1-3 | |
| » Starters: Balor Moore vs Jim Lonborg | Fourth | 3 out |
| Friday, April 13 |
| » Defeated Mets (4-1), 7-1 | Veteran's Stadium (2-1) | 2-3 | |
| » Starters: Jon Matlack vs Larry Christenson | Third | 2½ out |
| » Major-league debuts: Larry Christenson (Phillies) |
| Saturday, April 14 |
| » Defeated Mets (4-2), 7-3 | Veteran's Stadium (3-1) | 3-3 | Won 2 |
| » Starters: Jim McAndrew vs Steve Carlton | Third | 1½ out |
| Sunday, April 15 |
| » Lost to Mets (5-2), 2-1 | Veteran's Stadium (3-2) | 3-4 | |
| » Starters: Harry Parker vs Jim Lonborg | Fourth | 2½ out |
| Tuesday, April 17 |
| » Defeated Expos (3-5), 9-6 | Parc Jarry (1-0) | 4-4 | |
| » Starters: Dick Ruthven vs Balor Moore | Third | 2½ out |
| » Major-league debuts: Dick Ruthven (Phillies) |
| Former Phillie Lefty Weinert dies in Rockledge, FL at the age of 71. |
| Wednesday, April 18 |
| » Lost to Expos (4-5), 2-1 | Parc Jarry (1-1) | 4-5 | |
| » Starters: Steve Carlton vs Steve Renko | Fourth | 3½ out |
| » Major-league debuts: Larry Cox (Phillies) |
| Thursday, April 19 |
| » Lost to Expos (5-5), 6-5 | Parc Jarry (1-2) | 4-6 | Lost 2 |
| » Starters: Larry Christenson vs Mike Torrez | Fifth | 4 out |
| Saturday, April 21 |
| » Defeated Cardinals (1-10), 7-4 | Veteran's Stadium (4-2) | 5-6 | |
| » Starters: Scipio Spinks vs Jim Lonborg | Fourth | 3 out |
| Sunday, April 22 |
| » Defeated Cardinals (1-11), 4-2 | Veteran's Stadium (5-2) | 6-6 | Won 2 |
| » Starters: Reggie Cleveland vs Steve Carlton | Fourth | 2 out |
| » Defeated Cardinals (1-12), 2-1 | Veteran's Stadium (6-2) | 7-6 | Won 3 |
| » Starters: Bob Gibson vs Dick Ruthven | Fourth | 2 out |
| Tuesday, April 24 |
| » Lost to Braves (5-11), 11-2 | Atlanta-Fulton County Stadium (0-1) | 7-7 | |
| » Starters: Larry Christenson vs Carl Morton | Fourth | 2 out |
| Wednesday, April 25 |
| » Lost to Braves (6-11), 5-2 | Atlanta-Fulton County Stadium (0-2) | 7-8 | Lost 2 |
| » Starters: Jim Lonborg vs Gary Gentry | Third | 2½ out |
| Friday, April 27 |
| » Defeated Reds (12-7), 3-1 | Riverfront Stadium (1-0) | 8-8 | |
| » Starters: Steve Carlton vs Ross Grimsley | Third | 2 out |
| Saturday, April 28 |
| » Defeated Reds (12-8), 1-0 | Riverfront Stadium (2-0) | 9-8 | Won 2 |
| » Starters: Dick Ruthven vs Don Gullett | Third | 2 out |
| Sunday, April 29 |
| » Lost to Reds (13-8), 8-0 | Riverfront Stadium (2-1) | 9-9 | |
| » Starters: Larry Christenson vs Jack Billingham | Third | 2 out |
| Tuesday, May 1 |
| » Lost to Astros (15-10), 3-0 | Veteran's Stadium (6-3) | 9-10 | Lost 2 |
| » Starters: Jerry Reuss vs Steve Carlton | Fourth | 3 out |
| Wednesday, May 2 |
| » Lost to Astros (16-10), 9-4 | Veteran's Stadium (6-4) | 9-11 | Lost 3 |
| » Starters: Dave Roberts vs Jim Lonborg | Fourth | 3 out |
| Friday, May 4 |
| » Defeated Braves (7-16), 5-4 | Veteran's Stadium (7-4) | 10-11 | |
| » Starters: Ron Reed vs Dick Ruthven | Fourth | 2½ out |
| Saturday, May 5 |
| » Lost to Braves (8-16), 7-0 | Veteran's Stadium (7-5) | 10-12 | |
| » Starters: Carl Morton vs Steve Carlton | Fifth | 3½ out |
| Sunday, May 6 |
| » Lost to Braves (9-16), 3-1 | Veteran's Stadium (7-6) | 10-13 | Lost 2 |
| » Starters: Gary Gentry vs Larry Christenson | Fifth | 3 out |
| Monday, May 7 |
| » Defeated Reds (16-11), 3-2 | Veteran's Stadium (8-6) | 11-13 | |
| » Starters: Ross Grimsley vs Wayne Twitchell | Fourth | 2 out |
| Tuesday, May 8 |
| » Lost to Reds (17-11), 7-1 | Veteran's Stadium (8-7) | 11-14 | |
| » Starters: Jack Billingham vs Dick Ruthven | Fifth | 3 out |
| Wednesday, May 9 |
| » Lost to Reds (18-11), 9-7 | Veteran's Stadium (8-8) | 11-15 | Lost 2 |
| » Starters: Don Gullett vs Steve Carlton | Fifth | 4 out |
| Friday, May 11 |
| » Lost to Cubs (18-13), 4-3 | Wrigley Field (0-1) | 11-16 | Lost 3 |
| » Starters: Larry Christenson vs Milt Pappas | Fifth | 5 out |
| Saturday, May 12 |
| » Lost to Cubs (19-13), 3-1 | Wrigley Field (0-2) | 11-17 | Lost 4 |
| » Starters: Wayne Twitchell vs Rick Reuschel | Fifth | 6 out |
| Sunday, May 13 |
| » Lost to Cubs (20-13), 4-2 | Wrigley Field (0-3) | 11-18 | Lost 5 |
| » Starters: Steve Carlton vs Fergie Jenkins | Fifth | 8 out |
| » Lost to Cubs (21-13), 9-3 | Wrigley Field (0-4) | 11-19 | Lost 6 |
| » Starters: Dick Ruthven vs Bill Bonham | Fifth | 8 out |
| Monday, May 14 |
| » Defeated Cardinals (8-23), 10-5 | Busch Stadium II (1-0) | 12-19 | |
| » Starters: Ken Brett vs Reggie Cleveland | Fifth | 7½ out |
| Future Phillie Anthony Shumaker is born in Tucson, AZ. |
| Tuesday, May 15 |
| » Lost to Cardinals (9-23), 8-4 | Busch Stadium II (1-1) | 12-20 | |
| » Starters: Larry Christenson vs Rick Wise | Fifth | 8½ out |
| Wednesday, May 16 |
| » Defeated Pirates (13-17), 5-2 | Three Rivers Stadium (1-0) | 13-20 | |
| » Starters: Wayne Twitchell vs Dock Ellis | Fifth | 7½ out |
| Thursday, May 17 |
| » Lost to Pirates (14-17), 5-2 | Three Rivers Stadium (1-1) | 13-21 | |
| » Starters: Steve Carlton vs Bob Moose | Fourth | 7½ out |
| Friday, May 18 |
| » Lost to Cubs (23-15), 9-2 | Veteran's Stadium (8-9) | 13-22 | Lost 2 |
| » Starters: Fergie Jenkins vs Dick Ruthven | Fifth | 8½ out |
| Saturday, May 19 |
| » Defeated Cubs (23-16), 3-0 | Veteran's Stadium (9-9) | 14-22 | |
| » Starters: Burt Hooton vs Ken Brett | Fifth | 8½ out |
| » Lost to Cubs (24-16), 7-6 | Veteran's Stadium (9-10) | 14-23 | |
| » Starters: Bill Bonham vs Jim Lonborg | Fifth | 8½ out |
| Monday, May 21 |
| » Lost to Pirates (16-18), 5-4 | Veteran's Stadium (9-11) | 14-24 | Lost 2 |
| » Starters: Steve Blass vs Steve Carlton | Fifth | 9 out |
| Former Phillie Herm Wehmeier dies in Dallas, TX at the age of 47. |
| Tuesday, May 22 |
| » Defeated Pirates (16-19), 7-4 | Veteran's Stadium (10-11) | 15-24 | |
| » Starters: Dock Ellis vs Wayne Twitchell | Fifth | 8 out |
| Friday, May 25 |
| » Defeated Padres (16-28), 8-1 | San Diego/Jack Murphy Stadium (1-0) | 16-24 | Won 2 |
| » Starters: Ken Brett vs Fred Norman | Fifth | 8½ out |
| Saturday, May 26 |
| » Defeated Padres (16-29), 4-0 | San Diego/Jack Murphy Stadium (2-0) | 17-24 | Won 3 |
| » Starters: Steve Carlton vs Mike Caldwell | Fourth | 8½ out |
| Sunday, May 27 |
| » Defeated Padres (16-30), 4-3 | San Diego/Jack Murphy Stadium (3-0) | 18-24 | Won 4 |
| » Starters: Wayne Twitchell vs Bill Greif | Fourth | 8 out |
| » Defeated Padres (16-31), 6-4 | San Diego/Jack Murphy Stadium (4-0) | 19-24 | Won 5 |
| » Starters: Larry Christenson vs Steve Arlin | Fourth | 8 out |
| Monday, May 28 |
| » Lost to Dodgers (28-19), 5-1 | Dodger Stadium (0-1) | 19-25 | |
| » Starters: Dick Ruthven vs Andy Messersmith | Fourth | 8 out |
| Tuesday, May 29 |
| » Lost to Dodgers (29-19), 9-3 | Dodger Stadium (0-2) | 19-26 | Lost 2 |
| » Starters: Ken Brett vs Tommy John | Sixth | 9 out |
| Future Phillie Trever Miller is born in Louisville, KY. |
| Wednesday, May 30 |
| » Lost to Dodgers (30-19), 9-4 | Dodger Stadium (0-3) | 19-27 | Lost 3 |
| » Starters: Steve Carlton vs Claude Osteen | Sixth | 9 out |
| Friday, June 1 |
| » Lost to Giants (33-20), 2-1 | Candlestick Park (0-1) | 19-28 | Lost 4 |
| » Starters: Wayne Twitchell vs Ron Bryant | Sixth | 9½ out |
| Saturday, June 2 |
| » Lost to Giants (34-20), 11-7 | Candlestick Park (0-2) | 19-29 | Lost 5 |
| » Starters: Dick Ruthven vs Juan Marichal | Sixth | 10½ out |
| Sunday, June 3 |
| » Lost to Giants (35-20), 5-4 | Candlestick Park (0-3) | 19-30 | Lost 6 |
| » Starters: Ken Brett vs Jim Barr | Sixth | 11½ out |
| Monday, June 4 |
| » Lost to Astros (30-25), 7-0 | Astrodome (0-1) | 19-31 | Lost 7 |
| » Starters: Larry Christenson vs Dave Roberts | Fifth | 12 out |
| Tuesday, June 5 |
| » Defeated Astros (30-26), 4-0 | Astrodome (1-1) | 20-31 | |
| » Starters: Wayne Twitchell vs Jerry Reuss | Sixth | 11 out |
| Wednesday, June 6 |
| » Lost to Astros (31-26), 4-3 | Astrodome (1-2) | 20-32 | |
| » Starters: Dick Ruthven vs Larry Dierker | Sixth | 12 out |
| Friday, June 8 |
| » Defeated Padres (20-37), 5-1 | Veteran's Stadium (11-11) | 21-32 | |
| » Starters: Steve Arlin vs Steve Carlton | Sixth | 11½ out |
| Saturday, June 9 |
| » Defeated Padres (20-38), 4-1 | Veteran's Stadium (12-11) | 22-32 | Won 2 |
| » Starters: Bill Greif vs Ken Brett | Sixth | 10½ out |
| Sunday, June 10 |
| » Defeated Padres (20-39), 11-0 | Veteran's Stadium (13-11) | 23-32 | Won 3 |
| » Starters: Clay Kirby vs Wayne Twitchell | Sixth | 10½ out |
| Former Phillie Tom Padden dies in Manchester, NH at the age of 65. |
| Monday, June 11 |
| » Lost to Dodgers (36-23), 5-3 | Veteran's Stadium (13-12) | 23-33 | |
| » Starters: Don Sutton vs Dick Ruthven | Sixth | 11 out |
| Tuesday, June 12 |
| » Lost to Dodgers (37-23), 8-6 | Veteran's Stadium (13-13) | 23-34 | Lost 2 |
| » Starters: Andy Messersmith vs Steve Carlton | Fifth | 12 out |
| Wednesday, June 13 |
| » Defeated Dodgers (37-24), 16-3 | Veteran's Stadium (14-13) | 24-34 | |
| » Starters: Tommy John vs Ken Brett | Sixth | 11 out |
| Friday, June 15 |
| » Lost to Giants (40-25), 4-3 | Veteran's Stadium (14-14) | 24-35 | |
| » Starters: Ron Bryant vs Wayne Twitchell | Sixth | 11½ out |
| Saturday, June 16 |
| » Defeated Giants (40-26), 5-4 | Veteran's Stadium (15-14) | 25-35 | |
| » Starters: Juan Marichal vs Dick Ruthven | Sixth | 11½ out |
| Sunday, June 17 |
| » Defeated Giants (40-27), 11-7 | Veteran's Stadium (16-14) | 26-35 | Won 2 |
| » Starters: Tom Bradley vs Steve Carlton | Sixth | 11 out |
| Monday, June 18 |
| » Defeated Mets (28-30), 9-6 | Veteran's Stadium (17-14) | 27-35 | Won 3 |
| » Starters: Jim McAndrew vs Ken Brett | Sixth | 10 out |
| Tuesday, June 19 |
| » Defeated Mets (28-31), 6-1 | Veteran's Stadium (18-14) | 28-35 | Won 4 |
| » Starters: Harry Parker vs Jim Lonborg | Fifth | 9½ out |
| Wednesday, June 20 |
| » Defeated Mets (28-32), 4-3 | Veteran's Stadium (19-14) | 29-35 | Won 5 |
| » Starters: Jon Matlack vs Wayne Twitchell | Fifth | 9½ out |
| Friday, June 22 |
| » Lost to Expos (32-29), 4-2 | Parc Jarry (1-3) | 29-36 | |
| » Starters: Steve Carlton vs Mike Torrez | Fifth | 9½ out |
| Saturday, June 23 |
| » Defeated Expos (32-30), 7-2 | Parc Jarry (2-3) | 30-36 | |
| » Starters: Ken Brett vs Balor Moore | Fifth | 8½ out |
| Sunday, June 24 |
| » Defeated Expos (32-31), 5-4 | Parc Jarry (3-3) | 31-36 | Won 2 |
| » Starters: Jim Lonborg vs Steve Renko | Fifth | 8½ out |
| Future Phillie Ryan Nye is born in Biloxi, MS. |
| Monday, June 25 |
| » Defeated Cardinals (33-35), 7-6 | Veteran's Stadium (20-14) | 32-36 | Won 3 |
| » Starters: Alan Foster vs Wayne Twitchell | Fourth | 8½ out |
| Tuesday, June 26 |
| » Defeated Cardinals (33-36), 10-3 | Veteran's Stadium (21-14) | 33-36 | Won 4 |
| » Starters: Bob Gibson vs Dick Ruthven | Fourth | 9 out |
| » Lost to Cardinals (34-36), 5-4 | Veteran's Stadium (21-15) | 33-37 | |
| » Starters: Rich Folkers vs Steve Carlton | Fourth | 9 out |
| Wednesday, June 27 |
| » Lost to Mets (31-36), 7-6 | Shea Stadium (0-3) | 33-38 | Lost 2 |
| » Starters: Barry Lersch vs George Stone | Fourth | 9 out |
| » Defeated Mets (31-37), 7-1 | Shea Stadium (1-3) | 34-38 | |
| » Starters: Mike Wallace vs Harry Parker | Fourth | 9 out |
| » Major-league debuts: Mike Wallace (Phillies) |
| Thursday, June 28 |
| » Defeated Mets (31-38), 11-4 | Shea Stadium (2-3) | 35-38 | Won 2 |
| » Starters: Jim Lonborg vs Jim McAndrew | Fourth | 9 out |
| Friday, June 29 |
| » Lost to Cardinals (36-37), 2-1 | Busch Stadium II (1-2) | 35-39 | |
| » Starters: Wayne Twitchell vs Tom Murphy | Fourth | 10 out |
| Saturday, June 30 |
| » Lost to Cardinals (37-37), 9-8 | Busch Stadium II (1-3) | 35-40 | Lost 2 |
| » Starters: Steve Carlton vs Alan Foster | Fourth | 10 out |
| Sunday, July 1 |
| » Defeated Cardinals (37-38), 1-0 | Busch Stadium II (2-3) | 36-40 | |
| » Starters: Dick Ruthven vs Bob Gibson | Fourth | 9½ out |
| Monday, July 2 |
| » Lost to Cardinals (38-38), 7-4 | Busch Stadium II (2-4) | 36-41 | |
| » Starters: Mike Wallace vs Reggie Cleveland | Fifth | 10 out |
| Tuesday, July 3 |
| » Defeated Cubs (48-34), 8-2 | Wrigley Field (1-4) | 37-41 | |
| » Starters: Jim Lonborg vs Milt Pappas | Fourth | 9 out |
| Wednesday, July 4 |
| » Lost to Cubs (49-34), 3-2 | Wrigley Field (1-5) | 37-42 | |
| » Starters: Wayne Twitchell vs Burt Hooton | Fourth | 10 out |
| Thursday, July 5 |
| » Defeated Cubs (49-35), 7-4 | Wrigley Field (2-5) | 38-42 | |
| » Starters: Steve Carlton vs Rick Reuschel | Fourth | 9 out |
| Friday, July 6 |
| » Lost to Reds (45-38), 8-2 | Veteran's Stadium (21-16) | 38-43 | |
| » Starters: Fred Norman vs Dick Ruthven | Fourth | 10 out |
| Saturday, July 7 |
| » Lost to Reds (46-38), 5-4 | Veteran's Stadium (21-17) | 38-44 | Lost 2 |
| » Starters: Jim McGlothlin vs Jim Lonborg | Fourth | 10 out |
| Sunday, July 8 |
| » Lost to Reds (47-38), 4-0 | Veteran's Stadium (21-18) | 38-45 | Lost 3 |
| » Starters: Jack Billingham vs Wayne Twitchell | Fourth | 10 out |
| Monday, July 9 |
| » Lost to Braves (40-49), 6-3 | Veteran's Stadium (21-19) | 38-46 | Lost 4 |
| » Starters: Ron Reed vs Steve Carlton | Fourth | 10½ out |
| Tuesday, July 10 |
| » Lost to Braves (41-49), 4-2 | Veteran's Stadium (21-20) | 38-47 | Lost 5 |
| » Starters: Roric Harrison vs Dick Ruthven | Fifth | 11½ out |
| Wednesday, July 11 |
| » Defeated Braves (41-50), 6-5 | Veteran's Stadium (22-20) | 39-47 | |
| » Starters: Ron Schueler vs Mike Wallace | Fifth | 10½ out |
| Thursday, July 12 |
| » Lost to Astros (49-44), 7-6 | Veteran's Stadium (22-21) | 39-48 | |
| » Starters: Ken Forsch vs Jim Lonborg | Fifth | 11 out |
| Friday, July 13 |
| » Defeated Astros (49-45), 5-3 | Veteran's Stadium (23-21) | 40-48 | |
| » Starters: Don Wilson vs Wayne Twitchell | Fifth | 10 out |
| Saturday, July 14 |
| » Defeated Astros (49-46), 7-0 | Veteran's Stadium (24-21) | 41-48 | Won 2 |
| » Starters: Jerry Reuss vs Steve Carlton | Fifth | 9 out |
| Sunday, July 15 |
| » Lost to Astros (50-46), 2-0 | Veteran's Stadium (24-22) | 41-49 | |
| » Starters: Dave Roberts vs Dick Ruthven | Fifth | 9 out |
| Monday, July 16 |
| » Lost to Reds (52-41), 1-0 | Riverfront Stadium (2-2) | 41-50 | Lost 2 |
| » Starters: Ken Brett vs Fred Norman | Fifth | 9½ out |
| Tuesday, July 17 |
| » Defeated Reds (52-42), 2-1 | Riverfront Stadium (3-2) | 42-50 | |
| » Starters: Jim Lonborg vs Jack Billingham | Fourth | 8½ out |
| Wednesday, July 18 |
| » Lost to Reds (53-42), 7-3 | Riverfront Stadium (3-3) | 42-51 | |
| » Starters: Steve Carlton vs Tom Hall | Fifth | 8½ out |
| » Major-league debuts: Dave Wallace (Phillies) |
| Friday, July 20 |
| » Defeated Braves (45-54), 6-4 | Atlanta-Fulton County Stadium (1-2) | 43-51 | |
| » Starters: Wayne Twitchell vs Phil Niekro | Fourth | 8 out |
| Saturday, July 21 |
| » Defeated Braves (45-55), 8-4 | Atlanta-Fulton County Stadium (2-2) | 44-51 | Won 2 |
| » Starters: Ken Brett vs Ron Schueler | Fifth | 7 out |
| Sunday, July 22 |
| » Defeated Braves (45-56), 6-5 | Atlanta-Fulton County Stadium (3-2) | 45-51 | Won 3 |
| » Starters: Steve Carlton vs Jimmy Freeman | Fourth | 5½ out |
| » Defeated Braves (45-57), 5-1 | Atlanta-Fulton County Stadium (4-2) | 46-51 | Won 4 |
| » Starters: Jim Lonborg vs Carl Morton | Fourth | 5½ out |
| Thursday, July 26 |
| » Lost to Expos (45-51), 4-0 | Veteran's Stadium (24-23) | 46-52 | |
| » Starters: Steve Rogers vs Steve Carlton | Fifth | 7½ out |
| » Lost to Expos (46-51), 5-1 | Veteran's Stadium (24-24) | 46-53 | Lost 2 |
| » Starters: Steve Renko vs Ken Brett | Fifth | 7½ out |
| Friday, July 27 |
| » Lost to Expos (47-51), 5-4 | Veteran's Stadium (24-25) | 46-54 | Lost 3 |
| » Starters: Ernie McAnally vs Jim Lonborg | Fifth | 7½ out |
| Saturday, July 28 |
| » Defeated Pirates (48-50), 5-0 | Three Rivers Stadium (2-1) | 47-54 | |
| » Starters: Wayne Twitchell vs Jim Rooker | Fifth | 7½ out |
| Sunday, July 29 |
| » Lost to Pirates (49-50), 5-2 | Three Rivers Stadium (2-2) | 47-55 | |
| » Starters: Dick Ruthven vs John Morlan | Fifth | 8½ out |
| » Lost to Pirates (50-50), 5-2 | Three Rivers Stadium (2-3) | 47-56 | Lost 2 |
| » Starters: Barry Lersch vs Luke Walker | Fifth | 8½ out |
| Monday, July 30 |
| » Defeated Pirates (50-51), 1-0 | Three Rivers Stadium (3-3) | 48-56 | |
| » Starters: Steve Carlton vs Bob Moose | Fifth | 7½ out |
| Tuesday, July 31 |
| » Lost to Cubs (55-50), 4-3 | Veteran's Stadium (24-26) | 48-57 | |
| » Starters: Fergie Jenkins vs Jim Lonborg | Fifth | 8 out |
| » Defeated Cubs (55-51), 6-5 | Veteran's Stadium (25-26) | 49-57 | |
| » Starters: Milt Pappas vs Ken Brett | Fifth | 8 out |
| Wednesday, August 1 |
| » Defeated Cubs (55-52), 2-0 | Veteran's Stadium (26-26) | 50-57 | Won 2 |
| » Starters: Burt Hooton vs Wayne Twitchell | Fifth | 8½ out |
| Thursday, August 2 |
| » Defeated Cubs (55-53), 4-1 | Veteran's Stadium (27-26) | 51-57 | Won 3 |
| » Starters: Bill Bonham vs Dick Ruthven | Fifth | 7½ out |
| Friday, August 3 |
| » Lost to Pirates (52-54), 3-1 | Veteran's Stadium (27-27) | 51-58 | |
| » Starters: John Morlan vs Steve Carlton | Fifth | 7½ out |
| Saturday, August 4 |
| » Defeated Pirates (52-55), 11-5 | Veteran's Stadium (28-27) | 52-58 | |
| » Starters: Luke Walker vs Ken Brett | Fifth | 8 out |
| » Lost to Pirates (53-55), 11-4 | Veteran's Stadium (28-28) | 52-59 | |
| » Starters: Bob Moose vs Jim Lonborg | Fifth | 8 out |
| Sunday, August 5 |
| » Lost to Pirates (54-55), 4-1 | Veteran's Stadium (28-29) | 52-60 | Lost 2 |
| » Starters: Dock Ellis vs Wayne Twitchell | Fifth | 9½ out |
| Wednesday, August 8 |
| » Lost to Padres (38-75), 3-0 | San Diego/Jack Murphy Stadium (4-1) | 52-61 | Lost 3 |
| » Starters: Steve Carlton vs Bill Greif | Fifth | 8½ out |
| Thursday, August 9 |
| » Lost to Padres (39-75), 10-9 | San Diego/Jack Murphy Stadium (4-2) | 52-62 | Lost 4 |
| » Starters: Jim Lonborg vs Randy Jones | Fifth | 8½ out |
| Friday, August 10 |
| » Defeated Dodgers (72-44), 5-3 | Dodger Stadium (1-3) | 53-62 | |
| » Starters: Wayne Twitchell vs Tommy John | Fifth | 7½ out |
| Saturday, August 11 |
| » Defeated Dodgers (72-45), 3-1 | Dodger Stadium (2-3) | 54-62 | Won 2 |
| » Starters: Ken Brett vs Al Downing | Fifth | 6½ out |
| Sunday, August 12 |
| » Lost to Dodgers (73-45), 2-1 | Dodger Stadium (2-4) | 54-63 | |
| » Starters: Steve Carlton vs Andy Messersmith | Fifth | 6½ out |
| Tuesday, August 14 |
| » Defeated Giants (64-53), 4-3 | Candlestick Park (1-3) | 55-63 | |
| » Starters: Jim Lonborg vs Jim Barr | Fifth | 6 out |
| Former Phillie Claude Willoughby dies in McPherson, KS at the age of 75. |
| Wednesday, August 15 |
| » Lost to Giants (65-53), 11-2 | Candlestick Park (1-4) | 55-64 | |
| » Starters: Wayne Twitchell vs Juan Marichal | Fifth | 6 out |
| Thursday, August 16 |
| » Lost to Giants (66-53), 2-1 | Candlestick Park (1-5) | 55-65 | Lost 2 |
| » Starters: Ken Brett vs Tom Bradley | Fifth | 6½ out |
| Friday, August 17 |
| » Defeated Astros (64-60), 8-3 | Astrodome (2-2) | 56-65 | |
| » Starters: Steve Carlton vs Don Wilson | Fifth | 5½ out |
| Saturday, August 18 |
| » Lost to Astros (65-60), 3-2 | Astrodome (2-3) | 56-66 | |
| » Starters: Jim Lonborg vs Dave Roberts | Fifth | 5½ out |
| Sunday, August 19 |
| » Defeated Astros (65-61), 5-3 | Astrodome (3-3) | 57-66 | |
| » Starters: Wayne Twitchell vs Jerry Reuss | Fifth | 5½ out |
| Tuesday, August 21 |
| » Defeated Padres (45-79), 9-8 | Veteran's Stadium (29-29) | 58-66 | Won 2 |
| » Starters: Randy Jones vs Ken Brett | Fourth | 4½ out |
| Wednesday, August 22 |
| » Lost to Padres (46-79), 8-3 | Veteran's Stadium (29-30) | 58-67 | |
| » Starters: Steve Arlin vs Steve Carlton | Fifth | 5½ out |
| Thursday, August 23 |
| » Defeated Padres (46-80), 6-3 | Veteran's Stadium (30-30) | 59-67 | |
| » Starters: Clay Kirby vs Jim Lonborg | Fifth | 5 out |
| Friday, August 24 |
| » Lost to Dodgers (79-49), 3-0 | Veteran's Stadium (30-31) | 59-68 | |
| » Starters: Tommy John vs Wayne Twitchell | Fifth | 6 out |
| Saturday, August 25 |
| » Lost to Dodgers (80-49), 6-4 | Veteran's Stadium (30-32) | 59-69 | Lost 2 |
| » Starters: Al Downing vs Ken Brett | Fifth | 6 out |
| Sunday, August 26 |
| » Lost to Dodgers (81-49), 7-3 | Veteran's Stadium (30-33) | 59-70 | Lost 3 |
| » Starters: Don Sutton vs Steve Carlton | Fifth | 6 out |
| Monday, August 27 |
| » Defeated Giants (72-57), 7-4 | Veteran's Stadium (31-33) | 60-70 | |
| » Starters: Jim Barr vs Jim Lonborg | Fifth | 6 out |
| Tuesday, August 28 |
| » Defeated Giants (72-58), 1-0 | Veteran's Stadium (32-33) | 61-70 | Won 2 |
| » Starters: Juan Marichal vs Wayne Twitchell | Fifth | 6 out |
| Wednesday, August 29 |
| » Lost to Giants (73-58), 3-1 | Veteran's Stadium (32-34) | 61-71 | |
| » Starters: Tom Bradley vs Ken Brett | Sixth | 6 out |
| Thursday, August 30 |
| » Defeated Expos (62-70), 8-7 | Veteran's Stadium (33-34) | 62-71 | |
| » Starters: Steve Renko vs Steve Carlton | Fifth | 6 out |
| Friday, August 31 |
| » Lost to Expos (63-70), 5-2 | Veteran's Stadium (33-35) | 62-72 | |
| » Starters: Steve Rogers vs Jim Lonborg | Sixth | 6 out |
| Saturday, September 1 |
| » Lost to Expos (64-70), 11-5 | Veteran's Stadium (33-36) | 62-73 | Lost 2 |
| » Starters: Balor Moore vs Wayne Twitchell | Fifth | 6 out |
| » Major-league debuts: Tony Scott (Expos) |
| Sunday, September 2 |
| » Lost to Expos (65-70), 12-0 | Veteran's Stadium (33-37) | 62-74 | Lost 3 |
| » Starters: Mike Torrez vs Ken Brett | Fifth | 7 out |
| Monday, September 3 |
| » Lost to Mets (64-72), 5-0 | Shea Stadium (2-4) | 62-75 | Lost 4 |
| » Starters: Steve Carlton vs Jerry Koosman | Sixth | 7 out |
| » Defeated Mets (64-73), 6-3 | Shea Stadium (3-4) | 63-75 | |
| » Starters: Dick Ruthven vs Craig Swan | Sixth | 7 out |
| » Major-league debuts: Craig Swan (Mets) |
| Tuesday, September 4 |
| » Lost to Mets (65-73), 7-1 | Shea Stadium (3-5) | 63-76 | |
| » Starters: Jim Lonborg vs Tom Seaver | Sixth | 8 out |
| Wednesday, September 5 |
| » Lost to Mets (66-73), 4-0 | Shea Stadium (3-6) | 63-77 | Lost 2 |
| » Starters: Wayne Twitchell vs Ray Sadecki | Sixth | 9 out |
| Friday, September 7 |
| » Lost to Pirates (68-69), 10-8 | Veteran's Stadium (33-38) | 63-78 | Lost 3 |
| » Starters: Bruce Kison vs Ken Brett | Sixth | 9 out |
| Future Phillie David Newhan is born in Fullerton, CA. |
| Saturday, September 8 |
| » Lost to Pirates (69-69), 5-3 | Veteran's Stadium (33-39) | 63-79 | Lost 4 |
| » Starters: Bob Moose vs Steve Carlton | Sixth | 9 out |
| Sunday, September 9 |
| » Defeated Pirates (69-70), 8-7 | Veteran's Stadium (34-39) | 64-79 | |
| » Starters: Nelson Briles vs Dick Ruthven | Sixth | 8 out |
| Tuesday, September 11 |
| » Defeated Mets (69-75), 6-4 | Veteran's Stadium (35-39) | 65-79 | Won 2 |
| » Starters: Jerry Koosman vs Jim Lonborg | Sixth | 7 out |
| Wednesday, September 12 |
| » Lost to Mets (70-75), 3-2 | Veteran's Stadium (35-40) | 65-80 | |
| » Starters: Jon Matlack vs Wayne Twitchell | Sixth | 7½ out |
| Thursday, September 13 |
| » Lost to Mets (71-75), 4-2 | Veteran's Stadium (35-41) | 65-81 | Lost 2 |
| » Starters: Tom Seaver vs Ken Brett | Sixth | 8½ out |
| Friday, September 14 |
| » Lost to Expos (72-73), 3-2 | Parc Jarry (3-4) | 65-82 | Lost 3 |
| » Starters: Steve Carlton vs Balor Moore | Sixth | 9½ out |
| » Major-league debuts: Barry Foote (Expos) |
| Former Phillie Rene Monteagudo dies in Hialeah, FL at the age of 58. |
| Saturday, September 15 |
| » Lost to Expos (73-73), 5-4 | Parc Jarry (3-5) | 65-83 | Lost 4 |
| » Starters: Dick Ruthven vs Mike Torrez | Sixth | 10½ out |
| » Major-league debuts: Jim Essian (Phillies) |
| Sunday, September 16 |
| » Lost to Expos (74-73), 4-2 | Parc Jarry (3-6) | 65-84 | Lost 5 |
| » Starters: Jim Lonborg vs Steve Renko | Sixth | 10½ out |
| Future Phillie Desi Relaford is born in Valdosta, GA. |
| Tuesday, September 18 |
| » Defeated Cubs (70-79), 5-2 | Wrigley Field (3-5) | 66-84 | |
| » Starters: Wayne Twitchell vs Milt Pappas | Sixth | 10½ out |
| » Lost to Cubs (71-79), 3-2 | Wrigley Field (3-6) | 66-85 | |
| » Starters: Ken Brett vs Bill Bonham | Sixth | 10½ out |
| Wednesday, September 19 |
| » Defeated Cardinals (75-77), 3-2 | Veteran's Stadium (36-41) | 67-85 | |
| » Starters: Tom Murphy vs Steve Carlton | Fifth | 9½ out |
| Thursday, September 20 |
| » Defeated Cardinals (75-78), 6-5 | Veteran's Stadium (37-41) | 68-85 | Won 2 |
| » Starters: Alan Foster vs Dick Ruthven | Si |
