| Monday, January 28 |
| Former Phillie Bobby Young dies in Baltimore, MD at the age of 61. |
| Sunday, February 10 |
| Former Phillie John Mokan dies in Buffalo, NY at the age of 90. |
| Wednesday, February 20 |
| Former Phillie Syl Johnson dies in Portland, OR at the age of 85. |
| Friday, March 8 |
| Former Phillie Al Todd dies in Elmira, NY at the age of 84. |
| Sunday, March 17 |
| Former Phillie Ike Pearson dies in Sarasota, FL at the age of 69. |
| Monday, April 8 |
| » Major-league debuts: Lou Thornton (Blue Jays) |
| Tuesday, April 9 |
| » Lost to Braves (1-0), 6-0 | Veteran's Stadium (0-1) | 0-1 | |
| » W: Rick Mahler (1-0) L: Steve Carlton (0-1) | Second | 1 out |
| Thursday, April 11 |
| » Lost to Braves (2-0), 6-3 | Veteran's Stadium (0-2) | 0-2 | Lost 2 |
| » W: Zane Smith (1-0) L: John Denny (0-1) S: Bruce Sutter (1) | Third | 2 out |
| Friday, April 12 |
| » Lost to Astros (2-2), 8-3 | Astrodome (0-1) | 0-3 | Lost 3 |
| » W: Dave Smith (1-0) L: Larry Andersen (0-1) S: Jeff Calhoun (1) | Fourth | 3 out |
| Saturday, April 13 |
| » Defeated Astros (2-3), 4-2 | Astrodome (1-1) | 1-3 | |
| » W: Shane Rawley (1-0) L: Ron Mathis (0-1) S: Al Holland (1) | Fourth | 3 out |
| Sunday, April 14 |
| » Lost to Astros (3-3), 5-3 | Astrodome (1-2) | 1-4 | |
| » W: Nolan Ryan (2-0) L: Steve Carlton (0-2) | Fourth | 4 out |
| Monday, April 15 |
| » Lost to Cubs (5-1), 2-1 | Wrigley Field (0-1) | 1-5 | Lost 2 |
| » W: Steve Trout (2-0) L: Kevin Gross (0-1) S: Lee Smith (2) | Fourth | 4 out |
| Tuesday, April 16 |
| » Lost to Cubs (6-1), 1-0 | Wrigley Field (0-2) | 1-6 | Lost 3 |
| » W: Dennis Eckersley (1-1) L: Al Holland (0-1) | Fourth | 5 out |
| Wednesday, April 17 |
| » Lost to Cubs (7-1), 5-4 | Wrigley Field (0-3) | 1-7 | Lost 4 |
| » W: George Frazier (1-0) L: Kevin Gross (0-2) S: Lee Smith (3) | Fifth | 6 out |
| Thursday, April 18 |
| » Major-league debuts: Vince Coleman (Cardinals) |
| Friday, April 19 |
| » Lost to Mets (8-1), 1-0 | Veteran's Stadium (0-3) | 1-8 | Lost 5 |
| » W: Dwight Gooden (2-0) L: Charles Hudson (0-1) S: Jesse Orosco (1) | Fifth | 7 out |
| Saturday, April 20 |
| » Defeated Mets (8-2), 7-6 | Veteran's Stadium (1-3) | 2-8 | |
| » W: John Denny (1-1) L: Ed Lynch (0-1) S: Larry Andersen (1) | Sixth | 6 out |
| Sunday, April 21 |
| » Defeated Mets (8-3), 10-6 | Veteran's Stadium (2-3) | 3-8 | Won 2 |
| » W: Kevin Gross (1-2) L: Doug Sisk (1-1) | Fourth | 5 out |
| Monday, April 22 |
| » Defeated Expos (6-6), 9-1 | Stade Olympique (1-0) | 4-8 | Won 3 |
| » W: Shane Rawley (2-0) L: Joe Hesketh (1-1) | Fifth | 5 out |
| Tuesday, April 23 |
| » Lost to Expos (7-6), 5-4 | Stade Olympique (1-1) | 4-9 | |
| » W: Jeff Reardon (1-0) L: Charles Hudson (0-2) | Fourth | 5 out |
| Wednesday, April 24 |
| » Lost to Expos (8-6), 7-6 | Stade Olympique (1-2) | 4-10 | Lost 2 |
| » W: Bryn Smith (3-0) L: John Denny (1-2) S: Tim Burke (1) | Fifth | 6 out |
| Friday, April 26 |
| » Lost to Cubs (11-4), 7-3 | Veteran's Stadium (2-4) | 4-11 | Lost 3 |
| » W: Dennis Eckersley (3-1) L: Jerry Koosman (0-1) | Fifth | 7 out |
| Saturday, April 27 |
| » Defeated Cubs (11-5), 6-1 | Veteran's Stadium (3-4) | 5-11 | |
| » W: Shane Rawley (3-0) L: Scott Sanderson (1-1) | Fifth | 6 out |
| Sunday, April 28 |
| » Defeated Cubs (11-6), 3-2 | Veteran's Stadium (4-4) | 6-11 | Won 2 |
| » W: Kevin Gross (2-2) L: Rick Sutcliffe (3-2) S: Larry Andersen (2) | Fourth | 5½ out |
| Monday, April 29 |
| » Defeated Expos (12-7), 3-2 | Veteran's Stadium (5-4) | 7-11 | Won 3 |
| » W: Kent Tekulve (1-0) L: Bert Roberge (0-1) | Third | 4½ out |
| Tuesday, April 30 |
| » Defeated Expos (12-8), 11-0 | Veteran's Stadium (6-4) | 8-11 | Won 4 |
| » W: Jerry Koosman (1-1) L: Bill Gullickson (3-2) | Third | 4½ out |
| Wednesday, May 1 |
| » Lost to Expos (13-8), 3-2 | Veteran's Stadium (6-5) | 8-12 | |
| » W: David Palmer (2-2) L: Shane Rawley (3-1) S: Jeff Reardon (6) | Fourth | 5½ out |
| Friday, May 3 |
| » Defeated Astros (11-11), 3-2 | Veteran's Stadium (7-5) | 9-12 | |
| » W: Kent Tekulve (2-0) L: Frank DiPino (1-3) | Third | 4½ out |
| Saturday, May 4 |
| » Defeated Astros (11-12), 7-5 | Veteran's Stadium (8-5) | 10-12 | Won 2 |
| » W: Dave Rucker (1-0) L: Bill Dawley (0-2) | Fourth | 4½ out |
| Sunday, May 5 |
| » Lost to Astros (12-12), 4-3 | Veteran's Stadium (8-6) | 10-13 | |
| » W: Joe Niekro (2-3) L: Shane Rawley (3-2) S: Frank DiPino (4) | Fourth | 5 out |
| Monday, May 6 |
| Former Phillie Kirby Higbe dies in Columbia, SC at the age of 71. |
| Tuesday, May 7 |
| » Lost to Reds (12-13), 2-0 | Veteran's Stadium (8-7) | 10-14 | Lost 2 |
| » W: Mario Soto (5-2) L: Kevin Gross (2-3) S: Ted Power (4) | Fourth | 5½ out |
| Wednesday, May 8 |
| » Lost to Reds (13-13), 8-2 | Veteran's Stadium (8-8) | 10-15 | Lost 3 |
| » W: Jay Tibbs (2-4) L: John Denny (1-3) | Fourth | 6½ out |
| Friday, May 10 |
| » Lost to Mets (17-8), 5-0 | Shea Stadium (0-1) | 10-16 | Lost 4 |
| » W: Dwight Gooden (5-1) L: Steve Carlton (0-3) | Fifth | 7½ out |
| Saturday, May 11 |
| » Lost to Mets (18-8), 4-0 | Shea Stadium (0-2) | 10-17 | Lost 5 |
| » W: Sid Fernandez (1-0) L: Shane Rawley (3-3) S: Roger McDowell (1) | Fifth | 8½ out |
| Sunday, May 12 |
| » Lost to Mets (19-8), 3-2 | Shea Stadium (0-3) | 10-18 | Lost 6 |
| » W: Ron Darling (3-1) L: Kevin Gross (2-4) S: Jesse Orosco (4) | Fifth | 9½ out |
| Monday, May 13 |
| » Lost to Reds (15-15), 7-3 | Riverfront Stadium (0-1) | 10-19 | Lost 7 |
| » W: John Stuper (4-2) L: John Denny (1-4) | Fifth | 9½ out |
| Tuesday, May 14 |
| » Defeated Reds (15-16), 7-1 | Riverfront Stadium (1-1) | 11-19 | |
| » W: Charles Hudson (1-2) L: Tom Browning (3-2) | Fifth | 9½ out |
| Wednesday, May 15 |
| » Lost to Braves (13-18), 3-2 | Atlanta-Fulton County Stadium (0-1) | 11-20 | |
| » W: Bruce Sutter (2-0) L: Kent Tekulve (2-1) | Fifth | 10½ out |
| Thursday, May 16 |
| » Lost to Braves (14-18), 6-3 | Atlanta-Fulton County Stadium (0-2) | 11-21 | Lost 2 |
| » W: Jeff Dedmon (1-0) L: Larry Andersen (0-2) S: Bruce Sutter (6) | Fifth | 10½ out |
| Friday, May 17 |
| » Defeated Dodgers (17-18), 10-5 | Veteran's Stadium (9-8) | 12-21 | |
| » W: Kevin Gross (3-4) L: Jerry Reuss (2-4) | Fifth | 10½ out |
| » Major-league debuts: Rocky Childress (Phillies) |
| Saturday, May 18 |
| » Defeated Dodgers (17-19), 7-5 | Veteran's Stadium (10-8) | 13-21 | Won 2 |
| » W: Larry Andersen (1-2) L: Tom Niedenfuer (1-2) S: Don Carman (1) | Fifth | 9½ out |
| Sunday, May 19 |
| » Lost to Dodgers (18-19), 3-2 | Veteran's Stadium (10-9) | 13-22 | |
| » W: Fernando Valenzuela (4-4) L: Charles Hudson (1-3) S: Ken Howell (5) | Fifth | 10½ out |
| Monday, May 20 |
| » Defeated Giants (14-22), 2-1 | Veteran's Stadium (11-9) | 14-22 | |
| » W: Steve Carlton (1-3) L: Vida Blue (2-1) S: Kent Tekulve (1) | Fifth | 9½ out |
| Tuesday, May 21 |
| » Defeated Giants (14-23), 6-5 | Veteran's Stadium (12-9) | 15-22 | Won 2 |
| » W: Shane Rawley (4-3) L: Atlee Hammaker (0-4) S: Kent Tekulve (2) | Fifth | 9 out |
| Wednesday, May 22 |
| » Lost to Giants (15-23), 6-2 | Veteran's Stadium (12-10) | 15-23 | |
| » W: Dave LaPoint (2-5) L: Kevin Gross (3-5) S: Scott Garrelts (4) | Fifth | 9 out |
| Friday, May 24 |
| » Lost to Padres (23-14), 1-0 | Veteran's Stadium (12-11) | 15-24 | Lost 2 |
| » W: Dave Dravecky (4-2) L: John Denny (1-5) S: Rich Gossage (12) | Fifth | 9 out |
| Saturday, May 25 |
| » Lost to Padres (24-14), 4-1 | Veteran's Stadium (12-12) | 15-25 | Lost 3 |
| » W: Andy Hawkins (9-0) L: Charles Hudson (1-4) | Fourth | 9 out |
| Sunday, May 26 |
| » Lost to Padres (25-14), 7-2 | Veteran's Stadium (12-13) | 15-26 | Lost 4 |
| » W: La Marr Hoyt (4-4) L: Steve Carlton (1-4) S: Rich Gossage (13) | Fourth | 10 out |
| Monday, May 27 |
| » Defeated Padres (25-15), 10-9 | Veteran's Stadium (13-13) | 16-26 | |
| » W: Kent Tekulve (3-1) L: Craig Lefferts (1-1) | Fourth | 10 out |
| Wednesday, May 29 |
| » Lost to Dodgers (22-23), 6-1 | Dodger Stadium (0-1) | 16-27 | |
| » W: Orel Hershiser (5-0) L: Kevin Gross (3-6) | Fifth | 11 out |
| Thursday, May 30 |
| » Defeated Dodgers (22-24), 6-1 | Dodger Stadium (1-1) | 17-27 | |
| » W: John Denny (2-5) L: Fernando Valenzuela (5-5) | Fifth | 11 out |
| Friday, May 31 |
| » Lost to Giants (17-28), 4-3 | Candlestick Park (0-1) | 17-28 | |
| » W: Mike Krukow (4-3) L: Charles Hudson (1-5) S: Mark Davis (1) | Fifth | 11 out |
| Saturday, June 1 |
| » Lost to Giants (18-28), 2-1 | Candlestick Park (0-2) | 17-29 | Lost 2 |
| » W: Atlee Hammaker (2-4) L: Steve Carlton (1-5) S: Greg Minton (1) | Fifth | 12 out |
| Sunday, June 2 |
| » Lost to Giants (19-28), 3-1 | Candlestick Park (0-3) | 17-30 | Lost 3 |
| » W: Vida Blue (3-1) L: Shane Rawley (4-4) S: Mark Davis (2) | Sixth | 13 out |
| Monday, June 3 |
| » Defeated Padres (27-20), 3-2 | San Diego/Jack Murphy Stadium (1-0) | 18-30 | |
| » W: Kevin Gross (4-6) L: Dave Dravecky (4-3) S: Kent Tekulve (3) | Fifth | 12 out |
| Tuesday, June 4 |
| » Lost to Padres (28-20), 6-5 | San Diego/Jack Murphy Stadium (1-1) | 18-31 | |
| » W: Craig Lefferts (2-2) L: Kent Tekulve (3-2) | Fifth | 13 out |
| Wednesday, June 5 |
| » Lost to Padres (29-20), 3-1 | San Diego/Jack Murphy Stadium (1-2) | 18-32 | Lost 2 |
| » W: La Marr Hoyt (6-4) L: Charles Hudson (1-6) | Fifth | 13 out |
| Friday, June 7 |
| » Lost to Expos (31-22), 3-1 | Veteran's Stadium (13-14) | 18-33 | Lost 3 |
| » W: David Palmer (4-5) L: Steve Carlton (1-6) S: Jeff Reardon (16) | Fourth | 13 out |
| Saturday, June 8 |
| » Lost to Expos (32-22), 4-3 | Veteran's Stadium (13-15) | 18-34 | Lost 4 |
| » W: Bryn Smith (6-2) L: Shane Rawley (4-5) S: Jeff Reardon (17) | Fifth | 14 out |
| Sunday, June 9 |
| » Defeated Expos (32-23), 4-1 | Veteran's Stadium (14-15) | 19-34 | |
| » W: Kevin Gross (5-6) L: Joe Hesketh (5-3) S: Kent Tekulve (4) | Fifth | 14 out |
| Monday, June 10 |
| » Defeated Mets (31-22), 6-4 | Veteran's Stadium (15-15) | 20-34 | Won 2 |
| » W: John Denny (3-5) L: Sid Fernandez (1-3) | Fifth | 14 out |
| Tuesday, June 11 |
| » Defeated Mets (31-23), 26-7 | Veteran's Stadium (16-15) | 21-34 | Won 3 |
| » W: Charles Hudson (2-6) L: Tom Gorman (3-3) | Fifth | 14 out |
| Wednesday, June 12 |
| » Lost to Mets (32-23), 7-3 | Veteran's Stadium (16-16) | 21-35 | |
| » W: Rick Aguilera (1-0) L: Dave Rucker (1-1) | Fifth | 14 out |
| » Major-league debuts: Rick Aguilera (Mets) |
| Thursday, June 13 |
| » Defeated Mets (32-24), 5-4 | Veteran's Stadium (17-16) | 22-35 | |
| » W: Shane Rawley (5-5) L: Jesse Orosco (1-3) | Fifth | 13 out |
| Friday, June 14 |
| » Lost to Pirates (19-37), 3-2 | Three Rivers Stadium (0-1) | 22-36 | |
| » W: Jose DeLeon (2-8) L: Don Carman (0-1) S: Don Robinson (1) | Fifth | 13 out |
| Saturday, June 15 |
| » Defeated Pirates (19-38), 13-3 | Three Rivers Stadium (1-1) | 23-36 | |
| » W: John Denny (4-5) L: Rick Rhoden (4-7) | Fifth | 12 out |
| Sunday, June 16 |
| » Defeated Pirates (19-39), 3-2 | Three Rivers Stadium (2-1) | 24-36 | Won 2 |
| » W: Charles Hudson (3-6) L: Rick Reuschel (3-1) S: Kent Tekulve (5) | Fifth | 12 out |
| Monday, June 17 |
| » Major-league debuts: Darrin Jackson (Cubs) |
| Tuesday, June 18 |
| » Lost to Cardinals (35-26), 6-2 | Busch Stadium II (0-1) | 24-37 | |
| » W: John Tudor (5-7) L: Steve Carlton (1-7) | Fifth | 11½ out |
| Wednesday, June 19 |
| » Defeated Cardinals (35-27), 1-0 | Busch Stadium II (1-1) | 25-37 | |
| » W: Jerry Koosman (2-1) L: Joaquin Andujar (12-2) S: Don Carman (2) | Fourth | 11½ out |
| Thursday, June 20 |
| » Lost to Cardinals (36-27), 5-0 | Busch Stadium II (1-2) | 25-38 | |
| » W: Danny Cox (9-2) L: Kevin Gross (5-7) | Fourth | 11½ out |
| Friday, June 21 |
| » Defeated Pirates (22-41), 4-3 | Veteran's Stadium (18-16) | 26-38 | |
| » W: Larry Andersen (2-2) L: Jim Winn (2-2) | Fourth | 11 out |
| Saturday, June 22 |
| » Defeated Pirates (22-42), 5-2 | Veteran's Stadium (19-16) | 27-38 | Won 2 |
| » W: Don Carman (1-1) L: Don Robinson (2-2) | Fifth | 11 out |
| Sunday, June 23 |
| » Defeated Pirates (22-43), 3-2 | Veteran's Stadium (20-16) | 28-38 | Won 3 |
| » W: Don Carman (2-1) L: Jim Winn (2-3) | Fifth | 11 out |
| Tuesday, June 25 |
| » Defeated Cardinals (39-28), 3-1 | Veteran's Stadium (21-16) | 29-38 | Won 4 |
| » W: Jerry Koosman (3-1) L: Joaquin Andujar (12-3) | Fifth | 10½ out |
| Wednesday, June 26 |
| » Defeated Cardinals (39-29), 6-4 | Veteran's Stadium (22-16) | 30-38 | Won 5 |
| » W: John Denny (5-5) L: Danny Cox (9-3) S: Kent Tekulve (6) | Fifth | 9½ out |
| Former Phillie Wes Schulmerich dies in Corvallis, OR at the age of 84. |
| Thursday, June 27 |
| » Lost to Cardinals (40-29), 4-3 | Veteran's Stadium (22-17) | 30-39 | |
| » W: Kurt Kepshire (5-5) L: Shane Rawley (5-6) S: Jeff Lahti (6) | Fifth | 10½ out |
| Friday, June 28 |
| » Lost to Expos (43-30), 5-3 | Stade Olympique (1-3) | 30-40 | Lost 2 |
| » W: Bryn Smith (9-3) L: Charles Hudson (3-7) S: Tim Burke (2) | Fifth | 11½ out |
| Saturday, June 29 |
| » Defeated Expos (43-31), 6-2 | Stade Olympique (2-3) | 31-40 | |
| » W: Kevin Gross (6-7) L: Mickey Mahler (1-2) | Fifth | 11 out |
| Sunday, June 30 |
| » Defeated Expos (43-32), 3-2 | Stade Olympique (3-3) | 32-40 | Won 2 |
| » W: Kent Tekulve (4-2) L: Jeff Reardon (2-3) | Fifth | 11 out |
| Monday, July 1 |
| » Lost to Cubs (39-33), 3-1 | Veteran's Stadium (22-18) | 32-41 | |
| » W: Ray Fontenot (3-3) L: John Denny (5-6) S: Lee Smith (17) | Fifth | 11 out |
| Tuesday, July 2 |
| » Defeated Cubs (39-34), 11-2 | Veteran's Stadium (23-18) | 33-41 | |
| » W: Shane Rawley (6-6) L: Rick Sutcliffe (7-7) | Fifth | 11 out |
| Wednesday, July 3 |
| » Lost to Cubs (40-34), 4-3 | Veteran's Stadium (23-19) | 33-42 | |
| » W: Lee Smith (4-2) L: Kent Tekulve (4-3) | Fifth | 11½ out |
| Thursday, July 4 |
| » Defeated Reds (39-36), 3-1 | Veteran's Stadium (24-19) | 34-42 | |
| » W: Kevin Gross (7-7) L: Mario Soto (8-8) | Fifth | 11½ out |
| Friday, July 5 |
| » Defeated Reds (39-37), 5-2 | Veteran's Stadium (25-19) | 35-42 | Won 2 |
| » W: Larry Andersen (3-2) L: Tom Browning (7-6) S: Don Carman (3) | Fifth | 10½ out |
| Saturday, July 6 |
| » Lost to Reds (40-37), 4-2 | Veteran's Stadium (25-20) | 35-43 | |
| » W: Ron Robinson (4-0) L: John Denny (5-7) S: Ted Power (14) | Fifth | 10½ out |
| Sunday, July 7 |
| » Lost to Reds (41-37), 3-2 | Veteran's Stadium (25-21) | 35-44 | Lost 2 |
| » W: John Franco (5-1) L: Kent Tekulve (4-4) S: Ted Power (15) | Fifth | 11½ out |
| Monday, July 8 |
| » Defeated Astros (41-41), 7-4 | Astrodome (2-2) | 36-44 | |
| » W: Charles Hudson (4-7) L: Mark Knudson (0-1) S: Kent Tekulve (7) | Fifth | 11½ out |
| » Major-league debuts: Mark Knudson (Astros) |
| Tuesday, July 9 |
| » Defeated Astros (41-42), 5-3 | Astrodome (3-2) | 37-44 | Won 2 |
| » W: Kevin Gross (8-7) L: Bob Knepper (8-5) S: Kent Tekulve (8) | Fifth | 11½ out |
| Wednesday, July 10 |
| » Lost to Astros (42-42), 10-0 | Astrodome (3-3) | 37-45 | |
| » W: Mike Scott (8-4) L: Jerry Koosman (3-2) | Fifth | 12½ out |
| Thursday, July 11 |
| » Lost to Braves (36-47), 3-2 | Atlanta-Fulton County Stadium (0-3) | 37-46 | Lost 2 |
| » W: Bruce Sutter (5-4) L: Larry Andersen (3-3) | Fifth | 13½ out |
| Friday, July 12 |
| » Lost to Braves (37-47), 7-4 | Atlanta-Fulton County Stadium (0-4) | 37-47 | Lost 3 |
| » W: Terry Forster (1-2) L: Don Carman (2-2) | Fifth | 13½ out |
| Saturday, July 13 |
| » Lost to Braves (38-47), 13-5 | Atlanta-Fulton County Stadium (0-5) | 37-48 | Lost 4 |
| » W: Rick Mahler (13-7) L: Charles Hudson (4-8) | Fifth | 14½ out |
| Sunday, July 14 |
| » Lost to Braves (39-47), 12-3 | Atlanta-Fulton County Stadium (0-6) | 37-49 | Lost 5 |
| » W: Pascual Perez (1-7) L: Kevin Gross (8-8) S: Rick Camp (1) | Fifth | 15½ out |
| Thursday, July 18 |
| » Defeated Reds (44-42), 6-3 | Riverfront Stadium (2-1) | 38-49 | |
| » W: Jerry Koosman (4-2) L: Mario Soto (8-11) S: Kent Tekulve (9) | Fifth | 14½ out |
| Friday, July 19 |
| » Lost to Reds (45-42), 3-2 | Riverfront Stadium (2-2) | 38-50 | |
| » W: John Franco (7-1) L: Kent Tekulve (4-5) | Fifth | 14½ out |
| Saturday, July 20 |
| » Defeated Reds (45-43), 10-6 | Riverfront Stadium (3-2) | 39-50 | |
| » W: Shane Rawley (7-6) L: Ron Robinson (5-1) S: Kent Tekulve (10) | Fifth | 13½ out |
| Sunday, July 21 |
| » Lost to Reds (46-43), 7-6 | Riverfront Stadium (3-3) | 39-51 | |
| » W: John Franco (8-1) L: Don Carman (2-3) S: Ted Power (17) | Fifth | 14½ out |
| Monday, July 22 |
| » Defeated Astros (44-49), 7-6 | Veteran's Stadium (26-21) | 40-51 | |
| » W: Don Carman (3-3) L: Jeff Heathcock (0-1) | Fifth | 14½ out |
| Tuesday, July 23 |
| » Defeated Astros (44-50), 12-6 | Veteran's Stadium (27-21) | 41-51 | Won 2 |
| » W: Jerry Koosman (5-2) L: Bob Knepper (8-8) | Fifth | 14½ out |
| Wednesday, July 24 |
| » Defeated Astros (44-51), 3-1 | Veteran's Stadium (28-21) | 42-51 | Won 3 |
| » W: Kevin Gross (9-8) L: Nolan Ryan (8-8) S: Kent Tekulve (11) | Fifth | 14½ out |
| Former Phillie Ted Kleinhans dies in Redington Beach, FL at the age of 87. |
| Thursday, July 25 |
| » Lost to Braves (42-52), 3-2 | Veteran's Stadium (28-22) | 42-52 | |
| » W: Bruce Sutter (6-4) L: Kent Tekulve (4-6) | Fifth | 15½ out |
| » Major-league debuts: Joe Johnson (Braves) |
| Friday, July 26 |
| » Lost to Braves (43-52), 6-4 | Veteran's Stadium (28-23) | 42-53 | Lost 2 |
| » W: Rick Mahler (15-8) L: John Denny (5-8) S: Bruce Sutter (17) | Fifth | 16½ out |
| Saturday, July 27 |
| » Defeated Braves (43-53), 5-4 | Veteran's Stadium (29-23) | 43-53 | |
| » W: Charles Hudson (5-8) L: Zane Smith (6-7) | Fifth | 15½ out |
| Sunday, July 28 |
| » Defeated Braves (43-54), 7-3 | Veteran's Stadium (30-23) | 44-53 | Won 2 |
| » W: Jerry Koosman (6-2) L: Steve Bedrosian (5-10) | Fifth | 15½ out |
| Tuesday, July 30 |
| » Defeated Pirates (31-66), 2-0 | Three Rivers Stadium (3-1) | 45-53 | Won 3 |
| » W: Kevin Gross (10-8) L: Rick Rhoden (5-12) S: Kent Tekulve (12) | Fifth | 15½ out |
| Wednesday, July 31 |
| » Lost to Pirates (32-66), 4-3 | Three Rivers Stadium (3-2) | 45-54 | |
| » W: Cecilio Guante (3-3) L: Kent Tekulve (4-7) | Fifth | 15½ out |
| Thursday, August 1 |
| » Defeated Pirates (32-67), 3-0 | Three Rivers Stadium (4-2) | 46-54 | |
| » W: John Denny (6-8) L: Don Robinson (2-6) | Fifth | 14½ out |
| Friday, August 2 |
| » Lost to Cardinals (61-39), 3-2 | Busch Stadium II (1-3) | 46-55 | |
| » W: John Tudor (13-8) L: Charles Hudson (5-9) | Fifth | 15½ out |
| Saturday, August 3 |
| » Defeated Cardinals (61-40), 6-4 | Busch Stadium II (2-3) | 47-55 | |
| » W: Don Carman (4-3) L: Jeff Lahti (1-1) S: Larry Andersen (3) | Fifth | 14½ out |
| Sunday, August 4 |
| » Defeated Cardinals (61-41), 6-0 | Busch Stadium II (3-3) | 48-55 | Won 2 |
| » W: Kevin Gross (11-8) L: Joaquin Andujar (17-6) | Fifth | 13½ out |
| Monday, August 5 |
| » Defeated Cardinals (61-42), 9-1 | Busch Stadium II (4-3) | 49-55 | Won 3 |
| » W: Shane Rawley (8-6) L: Danny Cox (12-7) | Fifth | 13 out |
| Thursday, August 8 |
| » Defeated Pirates (33-71), 7-3 | Veteran's Stadium (31-23) | 50-55 | Won 4 |
| » W: John Denny (7-8) L: Don Robinson (2-7) S: Don Carman (4) | Fifth | 13 out |
| Friday, August 9 |
| » Lost to Cardinals (63-42), 5-4 | Veteran's Stadium (31-24) | 50-56 | |
| » W: Joaquin Andujar (18-6) L: Charles Hudson (5-10) S: Jeff Lahti (13) | Fifth | 14 out |
| Saturday, August 10 |
| » Lost to Cardinals (64-42), 5-4 | Veteran's Stadium (31-25) | 50-57 | Lost 2 |
| » W: Danny Cox (13-7) L: Jerry Koosman (6-3) S: Jeff Lahti (14) | Fourth | 15½ out |
| » Lost to Cardinals (65-42), 13-4 | Veteran's Stadium (31-26) | 50-58 | Lost 3 |
| » W: Ricky Horton (1-2) L: Kevin Gross (11-9) | Fourth | 15½ out |
| Sunday, August 11 |
| » Defeated Cardinals (65-43), 4-1 | Veteran's Stadium (32-26) | 51-58 | |
| » W: Shane Rawley (9-6) L: Bob Forsch (4-5) | Fifth | 15½ out |
| Monday, August 12 |
| » Lost to Mets (67-42), 4-3 | Shea Stadium (0-4) | 51-59 | |
| » W: Sid Fernandez (4-6) L: John Denny (7-9) S: Jesse Orosco (12) | Fifth | 16½ out |
| Tuesday, August 13 |
| » Lost to Mets (68-42), 4-2 | Shea Stadium (0-5) | 51-60 | Lost 2 |
| » W: Rick Aguilera (6-3) L: Charles Hudson (5-11) S: Jesse Orosco (13) | Fifth | 17½ out |
| Wednesday, August 14 |
| » Defeated Mets (68-43), 2-1 | Shea Stadium (1-5) | 52-60 | |
| » W: Kevin Gross (12-9) L: Ron Darling (10-5) S: Don Carman (5) | Fifth | 16½ out |
| Thursday, August 15 |
| » Lost to Mets (69-43), 10-7 | Shea Stadium (1-6) | 52-61 | |
| » W: Jesse Orosco (4-4) L: Don Carman (4-4) | Fourth | 17½ out |
| Friday, August 16 |
| » Lost to Cubs (56-57), 6-5 | Wrigley Field (0-4) | 52-62 | Lost 2 |
| » W: Lee Smith (6-4) L: Kent Tekulve (4-8) | Fifth | 18½ out |
| Saturday, August 17 |
| » Defeated Cubs (56-58), 10-4 | Wrigley Field (1-4) | 53-62 | |
| » W: John Denny (8-9) L: Lary Sorensen (3-4) | Fourth | 17½ out |
| Sunday, August 18 |
| » Defeated Cubs (56-59), 9-5 | Wrigley Field (2-4) | 54-62 | Won 2 |
| » W: Charles Hudson (6-11) L: Jay Baller (0-1) S: Kent Tekulve (13) | Fourth | 16½ out |
| Tuesday, August 20 |
| » Lost to Dodgers (70-46), 5-4 | Veteran's Stadium (32-27) | 54-63 | |
| » W: Tom Niedenfuer (6-4) L: Kent Tekulve (4-9) S: Rick Honeycutt (1) | Fifth | 18 out |
| Wednesday, August 21 |
| » Lost to Dodgers (71-46), 15-6 | Veteran's Stadium (32-28) | 54-64 | Lost 2 |
| » W: Fernando Valenzuela (15-8) L: Jerry Koosman (6-4) | Fifth | 18 out |
| Thursday, August 22 |
| » Defeated Dodgers (71-47), 2-0 | Veteran's Stadium (33-28) | 55-64 | |
| » W: Shane Rawley (10-6) L: Jerry Reuss (11-8) | Fifth | 18 out |
| Friday, August 23 |
| » Lost to Giants (47-73), 4-1 | Veteran's Stadium (33-29) | 55-65 | |
| » W: Atlee Hammaker (4-10) L: John Denny (8-10) S: Scott Garrelts (11) | Fifth | 18½ out |
| Saturday, August 24 |
| » Defeated Giants (47-74), 9-2 | Veteran's Stadium (34-29) | 56-65 | |
| » W: Charles Hudson (7-11) L: Mike Krukow (8-9) | Fifth | 18½ out |
| Sunday, August 25 |
| » Defeated Giants (47-75), 14-5 | Veteran's Stadium (35-29) | 57-65 | Won 2 |
| » W: Dave Rucker (2-1) L: Jim Gott (4-10) | Fifth | 18½ out |
| Monday, August 26 |
| » Defeated Padres (67-58), 4-3 | Veteran's Stadium (36-29) | 58-65 | Won 3 |
| » W: Don Carman (5-4) L: Lance McCullers (0-1) | Fifth | 18½ out |
| Tuesday, August 27 |
| » Lost to Padres (68-58), 4-1 | Veteran's Stadium (36-30) | 58-66 | |
| » W: Mark Thurmond (6-7) L: John Denny (8-11) S: Roy Lee Jackson (2) | Fifth | 19½ out |
| Former Phillie Johnny Lindell dies in Newport Beach, CA at the age of 69. |
| Wednesday, August 28 |
| » Major-league debuts: Todd Worrell (Cardinals) |
| Thursday, August 29 |
| » Defeated Dodgers (74-50), 3-2 | Dodger Stadium (2-1) | 59-66 | |
| » W: Don Carman (6-4) L: Rick Honeycutt (7-12) | Fifth | 18½ out |
| Friday, August 30 |
| » Defeated Dodgers (74-51), 5-2 | Dodger Stadium (3-1) | 60-66 | Won 2 |
| » W: Kevin Gross (13-9) L: Bob Welch (9-3) S: Dave Shipanoff (1) | Fifth | 17½ out |
| Saturday, August 31 |
| » Defeated Dodgers (74-52), 5-0 | Dodger Stadium (4-1) | 61-66 | Won 3 |
| » W: Shane Rawley (11-6) L: Fernando Valenzuela (16-9) | Fifth | 16½ out |
| Sunday, September 1 |
| » Defeated Dodgers (74-53), 4-1 | Dodger Stadium (5-1) | 62-66 | Won 4 |
| » W: John Denny (9-11) L: Jerry Reuss (12-9) S: Dave Shipanoff (2) | Fifth | 16½ out |
| Monday, September 2 |
| » Defeated Giants (51-78), 4-3 | Candlestick Park (1-3) | 63-66 | Won 5 |
| » W: Don Carman (7-4) L: Mike Jeffcoat (0-2) S: Dave Shipanoff (3) | Fourth | 15½ out |
| Tuesday, September 3 |
| » Defeated Giants (51-79), 4-3 | Candlestick Park (2-3) | 64-66 | Won 6 |
| » W: Dave Shipanoff (1-0) L: Greg Minton (3-4) S: Freddie Toliver (1) | Fourth | 15½ out |
| » Major-league debuts: Matt Nokes (Giants) |
| Wednesday, September 4 |
| » Lost to Giants (52-79), 4-3 | Candlestick Park (2-4) | 64-67 | |
| » W: Mark Davis (5-8) L: Freddie Toliver (0-1) | Fourth | 16½ out |
| Friday, September 6 |
| » Lost to Padres (70-63), 3-2 | San Diego/Jack Murphy Stadium (1-3) | 64-68 | Lost 2 |
| » W: Rich Gossage (3-2) L: Dave Shipanoff (1-1) | Fourth | 18 out |
| Saturday, September 7 |
| » Defeated Padres (70-64), 2-0 | San Diego/Jack Murphy Stadium (2-3) | 65-68 | |
| » W: John Denny (10-11) L: Andy Hawkins (17-5) | Fourth | 17 out |
| Sunday, September 8 |
| » Defeated Padres (70-65), 9-7 | San Diego/Jack Murphy Stadium (3-3) | 66-68 | Won 2 |
| » W: Rick Surhoff (1-0) L: Ed Wojna (1-3) S: Dave Rucker (1) | Fourth | 16 out |
| Tuesday, September 10 |
| » Defeated Expos (73-63), 5-2 | Veteran's Stadium (37-30) | 67-68 | Won 3 |
| » W: Don Carman (8-4) L: Tim Burke (8-3) | Fourth | 15½ out |
| Wednesday, September 11 |
| » Defeated Expos (73-64), 4-1 | Veteran's Stadium (38-30) | 68-68 | Won 4 |
| » W: Kevin Gross (14-9) L: Bill Gullickson (13-11) | Third | 14½ out |
| Thursday, September 12 |
| » Lost to Expos (74-64), 6-3 | Veteran's Stadium (38-31) | 68-69 | |
| » W: Floyd Youmans (3-2) L: Shane Rawley (11-7) S: Jeff Reardon (34) | Fourth | 15½ out |
| Friday, September 13 |
| » Defeated Pirates (45-92), 6-3 | Three Rivers Stadium (5-2) | 69-69 | |
| » W: John Denny (11-11) L: Bob Walk (1-3) S: Kent Tekulve (14) | Fourth | 15 out |
| Saturday, September 14 |
| » Lost to Pirates (46-92), 6-3 | Three Rivers Stadium (5-3) | 69-70 | |
| » W: Lee Tunnell (4-9) L: Steve Carlton (1-8) S: Cecilio Guante (4) | Fourth | 15½ out |
| Sunday, September 15 |
| » Lost to Pirates (47-92), 5-4 | Three Rivers Stadium (5-4) | 69-71 | Lost 2 |
| » W: Rick Reuschel (13-7) L: Dave Shipanoff (1-2) | Fourth | 16½ out |
| Monday, September 16 |
| » Lost to Mets (87-56), 9-0 | Shea Stadium (1-7) | 69-72 | Lost 3 |
| » W: Dwight Gooden (21-4) L: Kevin Gross (14-10) | Fourth | 18 out |
| Tuesday, September 17 |
| » Defeated Mets (87-57), 5-1 | Shea Stadium (2-7) | 70-72 | |
| » W: Shane Rawley (12-7) L: Ed Lynch (10-8) | Fourth | 18 out |
| Wednesday, September 18 |
| » Lost to Cardinals (90-55), 7-0 | Veteran's Stadium (38-32) | 70-73 | |
| » W: Bob Forsch (8-6) L: John Denny (11-12) | Fourth | 19 out |
| Thursday, September 19 |
| » Defeated Cardinals (90-56), 6-3 | Veteran's Stadium (39-32) | 71-73 | |
| » W: Dave Rucker (3-1) L: Matt Keough (0-1) S: Don Carman (6) | Fourth | 18 out |
| Friday, September 20 |
| » Lost to Cubs (68-78), 3-1 | Veteran's Stadium (39-33) | 71-74 |