| Tuesday, January 2 |
| Future Pirate Bill Madlock is born in Memphis, TN. |
| Saturday, January 6 |
| Former Pirate Harry Camnitz dies in Louisville, KY at the age of 67. |
| Wednesday, January 10 |
| Former Pirate Tom Delahanty dies in Sanford, FL at the age of 79. |
| Friday, February 9 |
| Future Pirate Eddie Solomon is born in Perry, GA. |
| Friday, March 2 |
| Former Pirate Adam Comorosky dies in Swoyersville, PA at the age of 46. |
| Thursday, April 5 |
| Future Pirate Rennie Stennett is born in Colon, Panama. |
| Friday, April 6 |
| Future Pirate Bert Blyleven is born in Zeist, Holland. |
| Saturday, April 14 |
| Former Pirate Danny Moeller dies in Florence, AL at the age of 67. |
| Monday, April 16 |
| » Defeated Reds (0-1), 4-3 | Crosley Field (1-0) | 1-0 | |
| » Starters: Cliff Chambers vs Ewell Blackwell | First | -- |
| Tuesday, April 17 |
| » Defeated Cardinals (0-1), 5-4 | Forbes Field (1-0) | 2-0 | Won 2 |
| » Starters: Tom Poholsky vs Murry Dickson | First | -- |
| Saturday, April 21 |
| » Lost to Reds (1-3), 8-3 | Crosley Field (1-1) | 2-1 | |
| » Starters: Cliff Chambers vs Howie Fox | Third | ½ out |
| » Major-league debuts: Dale Long (Pirates) |
| Sunday, April 22 |
| » Defeated Reds (1-4), 7-5 | Crosley Field (2-1) | 3-1 | |
| » Starters: Murry Dickson vs Ewell Blackwell | Second | ½ out |
| Monday, April 23 |
| » Lost to Cubs (4-1), 2-1 | Wrigley Field (0-1) | 3-2 | |
| » Starters: Mel Queen vs Frank Hiller | Third | 1½ out |
| Tuesday, April 24 |
| » Defeated Cubs (4-2), 6-4 | Wrigley Field (1-1) | 4-2 | |
| » Starters: Vern Law vs Turk Lown | Second | ½ out |
| » Major-league debuts: Turk Lown (Cubs) |
| Wednesday, April 25 |
| » Lost to Cardinals (4-2), 4-0 | Sportsman's Park III (0-1) | 4-3 | |
| » Starters: Cliff Chambers vs Tom Poholsky | Fourth | ½ out |
| Friday, April 27 |
| » Lost to Reds (3-6), 7-5 | Forbes Field (1-1) | 4-4 | Lost 2 |
| » Starters: Ewell Blackwell vs Murry Dickson | Fourth | 1½ out |
| Saturday, April 28 |
| » Lost to Reds (4-6), 4-2 | Forbes Field (1-2) | 4-5 | Lost 3 |
| » Starters: Herm Wehmeier vs Con Dempsey | Sixth | 3 out |
| » Major-league debuts: Bob Friend (Pirates) |
| Sunday, April 29 |
| » Defeated Reds (4-7), 9-8 | Forbes Field (2-2) | 5-5 | |
| » Starters: Ken Raffensberger vs Vern Law | Fifth | 2½ out |
| » Tied Reds, 1-1 | Forbes Field (2-2) | 5-5 | |
| » Starters: Howie Fox vs Mel Queen | Fifth | 2½ out |
| Tuesday, May 1 |
| » Defeated Dodgers (8-6), 6-2 | Ebbets Field (1-0) | 6-5 | Won 2 |
| » Starters: Cliff Chambers vs Erv Palica | Fourth | 1½ out |
| Wednesday, May 2 |
| » Defeated Dodgers (8-7), 4-3 | Ebbets Field (2-0) | 7-5 | Won 3 |
| » Starters: Murry Dickson vs Don Newcombe | Third | 2½ out |
| Thursday, May 3 |
| » Defeated Giants (5-13), 7-4 | Polo Grounds V (1-0) | 8-5 | Won 4 |
| » Starters: Mel Queen vs Larry Jansen | Second | ½ out |
| Friday, May 4 |
| » Lost to Giants (6-13), 5-1 | Polo Grounds V (1-1) | 8-6 | |
| » Starters: Con Dempsey vs Sal Maglie | Third | 2½ out |
| » Major-league debuts: Paul Pettit (Pirates) |
| Saturday, May 5 |
| » Lost to Giants (7-13), 8-3 | Polo Grounds V (1-2) | 8-7 | Lost 2 |
| » Starters: Bill Koski vs Jim Hearn | Fourth | 1½ out |
| Sunday, May 6 |
| » Lost to Braves (13-8), 6-0 | Braves Field (0-1) | 8-8 | Lost 3 |
| » Starters: Murry Dickson vs Warren Spahn | Third | 2 out |
| » Defeated Braves (13-9), 3-0 | Braves Field (1-1) | 9-8 | |
| » Starters: Cliff Chambers vs George Estock | Third | 2 out |
| Tuesday, May 8 |
| » Defeated Phillies (10-11), 9-3 | Shibe Park (1-0) | 10-8 | Won 2 |
| » Starters: Mel Queen vs Ken Heintzelman | Third | 2½ out |
| Wednesday, May 9 |
| » Lost to Phillies (11-11), 6-5 | Shibe Park (1-1) | 10-9 | |
| » Starters: Bob Friend vs Russ Meyer | Fourth | 2½ out |
| Thursday, May 10 |
| » Defeated Phillies (11-12), 2-0 | Shibe Park (2-1) | 11-9 | |
| » Starters: Murry Dickson vs Bubba Church | Third | 2½ out |
| Friday, May 11 |
| » Lost to Cubs (10-11), 10-4 | Forbes Field (2-3) | 11-10 | |
| » Starters: Bob Rush vs Cliff Chambers | Fourth | 2 out |
| Saturday, May 12 |
| » Lost to Cubs (11-11), 8-4 | Forbes Field (2-4) | 11-11 | Lost 2 |
| » Starters: Frank Hiller vs Vern Law | Fourth | 2½ out |
| Sunday, May 13 |
| » Defeated Cubs (11-12), 2-1 | Forbes Field (3-4) | 12-11 | |
| » Starters: Bob Schultz vs Mel Queen | Third | 2 out |
| » Lost to Cubs (12-12), 6-0 | Forbes Field (3-5) | 12-12 | |
| » Starters: Johnny Klippstein vs Murry Dickson | Third | 2 out |
| Tuesday, May 15 |
| » Defeated Giants (13-16), 7-3 | Forbes Field (4-5) | 13-12 | |
| » Starters: George Spencer vs Bill Werle | Third | 2 out |
| Wednesday, May 16 |
| » Lost to Giants (14-16), 2-1 | Forbes Field (4-6) | 13-13 | |
| » Starters: Jim Hearn vs Joe Muir | Third | 2 out |
| Thursday, May 17 |
| » Defeated Giants (14-17), 12-7 | Forbes Field (5-6) | 14-13 | |
| » Starters: Larry Jansen vs Mel Queen | Second | 1 out |
| Friday, May 18 |
| » Lost to Braves (16-14), 12-3 | Forbes Field (5-7) | 14-14 | |
| » Starters: Max Surkont vs Mel Queen | Fourth | 2 out |
| Saturday, May 19 |
| » Lost to Braves (17-14), 6-2 | Forbes Field (5-8) | 14-15 | Lost 2 |
| » Starters: Vern Bickford vs Vern Law | Sixth | 2 out |
| Sunday, May 20 |
| » Lost to Phillies (15-17), 17-0 | Forbes Field (5-9) | 14-16 | Lost 3 |
| » Starters: Russ Meyer vs Murry Dickson | Seventh | 4 out |
| » Lost to Phillies (16-17), 12-4 | Forbes Field (5-10) | 14-17 | Lost 4 |
| » Starters: Robin Roberts vs Erv Dusak | Seventh | 4 out |
| Tuesday, May 22 |
| » Lost to Dodgers (19-13), 17-8 | Forbes Field (5-11) | 14-18 | Lost 5 |
| » Starters: Erv Palica vs Bob Friend | Seventh | 5 out |
| Wednesday, May 23 |
| » Lost to Dodgers (20-13), 11-4 | Forbes Field (5-12) | 14-19 | Lost 6 |
| » Starters: Don Newcombe vs Mel Queen | Seventh | 6 out |
| Friday, May 25 |
| » Defeated Cubs (17-16), 10-1 | Wrigley Field (2-1) | 15-19 | |
| » Starters: Murry Dickson vs Frank Hiller | Seventh | 6 out |
| Saturday, May 26 |
| » Lost to Cubs (18-16), 5-4 | Wrigley Field (2-2) | 15-20 | |
| » Starters: Vern Law vs Johnny Klippstein | Eighth | 6 out |
| Monday, May 28 |
| » Lost to Cardinals (20-17), 6-5 | Sportsman's Park III (0-2) | 15-21 | Lost 2 |
| » Starters: Cliff Chambers vs Tom Poholsky | Eighth | 7 out |
| » Major-league debuts: Paul LaPalme (Pirates) |
| Wednesday, May 30 |
| » Lost to Cardinals (21-17), 4-3 | Sportsman's Park III (0-3) | 15-22 | Lost 3 |
| » Starters: Murry Dickson vs Joe Presko | Eighth | 8 out |
| » Lost to Cardinals (22-17), 7-3 | Sportsman's Park III (0-4) | 15-23 | Lost 4 |
| » Starters: Mel Queen vs Red Munger | Eighth | 8 out |
| Friday, June 1 |
| » Lost to Giants (22-21), 8-2 | Polo Grounds V (1-3) | 15-24 | Lost 5 |
| » Starters: Cliff Chambers vs Sal Maglie | Eighth | 8½ out |
| Saturday, June 2 |
| » Lost to Giants (23-21), 14-3 | Polo Grounds V (1-4) | 15-25 | Lost 6 |
| » Starters: Vern Law vs Jim Hearn | Eighth | 9½ out |
| Sunday, June 3 |
| » Lost to Phillies (20-24), 11-2 | Shibe Park (2-2) | 15-26 | Lost 7 |
| » Starters: Mel Queen vs Robin Roberts | Eighth | 11½ out |
| » Lost to Phillies (21-24), 8-3 | Shibe Park (2-3) | 15-27 | Lost 8 |
| » Starters: Murry Dickson vs Bubba Church | Eighth | 11½ out |
| Monday, June 4 |
| » Defeated Phillies (21-25), 12-4 | Shibe Park (3-3) | 16-27 | |
| » Starters: Bob Friend vs Russ Meyer | Eighth | 11 out |
| Tuesday, June 5 |
| » Defeated Braves (22-24), 8-0 | Braves Field (2-1) | 17-27 | Won 2 |
| » Starters: Paul LaPalme vs Johnny Sain | Eighth | 11 out |
| Wednesday, June 6 |
| » Lost to Braves (23-24), 5-2 | Braves Field (2-2) | 17-28 | |
| » Starters: Cliff Chambers vs Warren Spahn | Eighth | 12 out |
| Thursday, June 7 |
| » Lost to Braves (24-24), 5-0 | Braves Field (2-3) | 17-29 | Lost 2 |
| » Starters: Mel Queen vs Vern Bickford | Seventh | 13 out |
| Saturday, June 9 |
| » Defeated Dodgers (30-17), 4-1 | Ebbets Field (3-0) | 18-29 | |
| » Starters: Murry Dickson vs Don Newcombe | Eighth | 12 out |
| Future Pirate Dave Parker is born in Calhoun, MS. |
| Sunday, June 10 |
| » Lost to Dodgers (31-17), 2-1 | Ebbets Field (3-1) | 18-30 | |
| » Starters: Bob Friend vs Ralph Branca | Eighth | 12 out |
| » Defeated Dodgers (31-18), 5-4 | Ebbets Field (4-1) | 19-30 | |
| » Starters: Paul LaPalme vs Bud Podbielan | Eighth | 12 out |
| » Major-league debuts: Dick Williams (Dodgers) |
| Tuesday, June 12 |
| » Lost to Braves (26-26), 13-3 | Forbes Field (5-13) | 19-31 | |
| » Starters: Johnny Sain vs Cliff Chambers | Eighth | 13 out |
| Thursday, June 14 |
| » Defeated Braves (26-27), 9-4 | Forbes Field (6-13) | 20-31 | |
| » Starters: Vern Bickford vs Murry Dickson | Sixth | 13½ out |
| Friday, June 15 |
| » Lost to Giants (31-26), 11-6 | Forbes Field (6-14) | 20-32 | |
| » Starters: Jim Hearn vs Bob Friend | Seventh | 14½ out |
| Saturday, June 16 |
| » Lost to Giants (32-26), 6-1 | Forbes Field (6-15) | 20-33 | Lost 2 |
| » Starters: Sal Maglie vs Paul LaPalme | Eighth | 14½ out |
| Sunday, June 17 |
| » Defeated Giants (32-27), 11-5 | Forbes Field (7-15) | 21-33 | |
| » Starters: Roger Bowman vs Howie Pollet | Eighth | 15 out |
| » Lost to Giants (33-27), 7-6 | Forbes Field (7-16) | 21-34 | |
| » Starters: Al Gettel vs Mel Queen | Eighth | 15 out |
| Tuesday, June 19 |
| » Lost to Phillies (27-30), 9-2 | Forbes Field (7-17) | 21-35 | Lost 2 |
| » Starters: Russ Meyer vs Murry Dickson | Eighth | 16 out |
| Former Pirate Wally Gerber dies in Columbus, OH at the age of 60. |
| Wednesday, June 20 |
| » Lost to Phillies (28-30), 1-0 | Forbes Field (7-18) | 21-36 | Lost 3 |
| » Starters: Bubba Church vs Bob Friend | Eighth | 16 out |
| Thursday, June 21 |
| » Lost to Phillies (29-30), 10-5 | Forbes Field (7-19) | 21-37 | Lost 4 |
| » Starters: Robin Roberts vs Paul LaPalme | Eighth | 17 out |
| Friday, June 22 |
| » Lost to Dodgers (39-20), 8-4 | Forbes Field (7-20) | 21-38 | Lost 5 |
| » Starters: Ralph Branca vs Howie Pollet | Eighth | 18 out |
| Saturday, June 23 |
| » Lost to Dodgers (40-20), 13-1 | Forbes Field (7-21) | 21-39 | Lost 6 |
| » Starters: Don Newcombe vs Bill Werle | Eighth | 19 out |
| Sunday, June 24 |
| » Defeated Dodgers (40-21), 10-7 | Forbes Field (8-21) | 22-39 | |
| » Starters: Bud Podbielan vs Murry Dickson | Eighth | 17 out |
| » Defeated Dodgers (40-22), 5-4 | Forbes Field (9-21) | 23-39 | Won 2 |
| » Starters: Erv Palica vs Bob Friend | Eighth | 17 out |
| Future Pirate Ken Reitz is born in San Francisco, CA. |
| Tuesday, June 26 |
| » Defeated Reds (31-32), 3-2 | Crosley Field (3-1) | 24-39 | Won 3 |
| » Starters: Howie Pollet vs Harry Perkowski | Eighth | 16 out |
| Wednesday, June 27 |
| » Lost to Reds (32-32), 2-1 | Crosley Field (3-2) | 24-40 | |
| » Starters: Bob Friend vs Willie Ramsdell | Eighth | 17 out |
| Thursday, June 28 |
| » Defeated Reds (32-33), 7-5 | Crosley Field (4-2) | 25-40 | |
| » Starters: Bill Werle vs Ken Raffensberger | Seventh | 16 out |
| Saturday, June 30 |
| » Lost to Cardinals (34-32), 8-4 | Sportsman's Park III (0-5) | 25-41 | |
| » Starters: Murry Dickson vs Cliff Chambers | Eighth | 16½ out |
| Sunday, July 1 |
| » Lost to Cardinals (35-32), 5-4 | Sportsman's Park III (0-6) | 25-42 | Lost 2 |
| » Starters: Howie Pollet vs Red Munger | Eighth | 17½ out |
| Monday, July 2 |
| » Defeated Cubs (30-34), 7-2 | Forbes Field (10-21) | 26-42 | |
| » Starters: Frank Hiller vs Murry Dickson | Eighth | 17½ out |
| Tuesday, July 3 |
| » Defeated Cubs (30-35), 2-0 | Forbes Field (11-21) | 27-42 | Won 2 |
| » Starters: Bob Rush vs Vern Law | Eighth | 16½ out |
| Former Pirate Hugh Casey dies in Atlanta, GA at the age of 38. |
| Wednesday, July 4 |
| » Defeated Reds (33-37), 4-1 | Forbes Field (12-21) | 28-42 | Won 3 |
| » Starters: Ewell Blackwell vs Bob Friend | Eighth | 16½ out |
| » Defeated Reds (33-38), 16-4 | Forbes Field (13-21) | 29-42 | Won 4 |
| » Starters: Willie Ramsdell vs Bill Werle | Eighth | 16½ out |
| Thursday, July 5 |
| » Lost to Reds (34-38), 4-0 | Forbes Field (13-22) | 29-43 | |
| » Starters: Howie Fox vs Howie Pollet | Eighth | 17½ out |
| Future Pirate Goose Gossage is born in Colorado Springs, CO. |
| Friday, July 6 |
| » Lost to Cardinals (39-33), 3-2 | Forbes Field (13-23) | 29-44 | Lost 2 |
| » Starters: Red Munger vs Murry Dickson | Eighth | 18½ out |
| Saturday, July 7 |
| » Defeated Cardinals (39-34), 5-1 | Forbes Field (14-23) | 30-44 | |
| » Starters: Max Lanier vs Vern Law | Eighth | 18½ out |
| Sunday, July 8 |
| » Defeated Cardinals (39-35), 6-2 | Forbes Field (15-23) | 31-44 | Won 2 |
| » Starters: Gerry Staley vs Bob Friend | Eighth | 19 out |
| » Lost to Cardinals (40-35), 9-8 | Forbes Field (15-24) | 31-45 | |
| » Starters: Tom Poholsky vs Bill Werle | Eighth | 19 out |
| Wednesday, July 11 |
| Future Pirate Ed Ott is born in Muncy, PA. |
| Thursday, July 12 |
| » Lost to Phillies (36-41), 11-6 | Shibe Park (3-4) | 31-46 | Lost 2 |
| » Starters: Murry Dickson vs Russ Meyer | Eighth | 20 out |
| Friday, July 13 |
| » Lost to Phillies (37-41), 3-2 | Shibe Park (3-5) | 31-47 | Lost 3 |
| » Starters: Howie Pollet vs Robin Roberts | Eighth | 21 out |
| Saturday, July 14 |
| » Lost to Phillies (38-41), 2-0 | Shibe Park (3-6) | 31-48 | Lost 4 |
| » Starters: Vern Law vs Bubba Church | Eighth | 20½ out |
| Sunday, July 15 |
| » Defeated Giants (45-39), 7-6 | Polo Grounds V (2-4) | 32-48 | |
| » Starters: Bob Friend vs Sal Maglie | Eighth | 19½ out |
| » Lost to Giants (46-39), 8-3 | Polo Grounds V (2-5) | 32-49 | |
| » Starters: Bill Werle vs Jim Hearn | Eighth | 19½ out |
| Monday, July 16 |
| » Lost to Giants (47-39), 7-6 | Polo Grounds V (2-6) | 32-50 | Lost 2 |
| » Starters: Mel Queen vs Larry Jansen | Eighth | 20½ out |
| Tuesday, July 17 |
| » Defeated Dodgers (53-31), 4-3 | Ebbets Field (5-1) | 33-50 | |
| » Starters: Howie Pollet vs Bud Podbielan | Eighth | 19½ out |
| Wednesday, July 18 |
| » Defeated Dodgers (53-32), 13-12 | Ebbets Field (6-1) | 34-50 | Won 2 |
| » Starters: Murry Dickson vs Phil Haugstad | Eighth | 18½ out |
| Friday, July 20 |
| » Lost to Braves (38-44), 11-6 | Braves Field (2-4) | 34-51 | |
| » Starters: Vern Law vs Warren Spahn | Eighth | 19½ out |
| Saturday, July 21 |
| » Lost to Braves (39-44), 11-6 | Braves Field (2-5) | 34-52 | Lost 2 |
| » Starters: Bob Friend vs Vern Bickford | Eighth | 20½ out |
| Sunday, July 22 |
| » Lost to Braves (40-44), 5-3 | Braves Field (2-6) | 34-53 | Lost 3 |
| » Starters: Howie Pollet vs Max Surkont | Eighth | 21 out |
| » Defeated Braves (40-45), 5-2 | Braves Field (3-6) | 35-53 | |
| » Starters: Murry Dickson vs Jim Wilson | Eighth | 21 out |
| Monday, July 23 |
| » Lost to Braves (41-45), 15-14 | Forbes Field (15-25) | 35-54 | |
| » Starters: Dave Cole vs Bob Friend | Eighth | 21½ out |
| Tuesday, July 24 |
| » Lost to Giants (51-42), 4-3 | Forbes Field (15-26) | 35-55 | Lost 2 |
| » Starters: Sal Maglie vs Paul LaPalme | Eighth | 22½ out |
| Wednesday, July 25 |
| » Defeated Giants (51-43), 5-4 | Forbes Field (16-26) | 36-55 | |
| » Starters: Al Corwin vs Vern Law | Eighth | 22½ out |
| » Major-league debuts: Al Corwin (Giants) |
| Friday, July 27 |
| » Defeated Braves (43-46), 8-4 | Forbes Field (17-26) | 37-55 | Won 2 |
| » Starters: Max Surkont vs Howie Pollet | Eighth | 23 out |
| Saturday, July 28 |
| » Defeated Braves (43-47), 8-4 | Forbes Field (18-26) | 38-55 | Won 3 |
| » Starters: Warren Spahn vs Murry Dickson | Eighth | 23 out |
| Sunday, July 29 |
| » Defeated Braves (43-48), 6-2 | Forbes Field (19-26) | 39-55 | Won 4 |
| » Starters: Johnny Sain vs Bob Friend | Eighth | 23½ out |
| » Lost to Braves (44-48), 5-4 | Forbes Field (19-27) | 39-56 | |
| » Starters: Jim Wilson vs Paul LaPalme | Eighth | 23½ out |
| Tuesday, July 31 |
| » Lost to Dodgers (63-32), 8-3 | Forbes Field (19-28) | 39-57 | Lost 2 |
| » Starters: Don Newcombe vs Howie Pollet | Eighth | 24½ out |
| Wednesday, August 1 |
| » Defeated Dodgers (63-33), 12-9 | Forbes Field (20-28) | 40-57 | |
| » Starters: Ralph Branca vs Murry Dickson | Seventh | 23½ out |
| Thursday, August 2 |
| » Lost to Dodgers (64-33), 10-5 | Forbes Field (20-29) | 40-58 | |
| » Starters: Carl Erskine vs Bob Friend | Eighth | 24½ out |
| Friday, August 3 |
| » Lost to Phillies (52-50), 5-4 | Forbes Field (20-30) | 40-59 | Lost 2 |
| » Starters: Robin Roberts vs Vern Law | Seventh | 24½ out |
| Saturday, August 4 |
| » Defeated Phillies (52-51), 7-3 | Forbes Field (21-30) | 41-59 | |
| » Starters: Ken Johnson vs Murry Dickson | Seventh | 23½ out |
| Sunday, August 5 |
| » Lost to Phillies (53-51), 5-1 | Forbes Field (21-31) | 41-60 | |
| » Starters: Bubba Church vs Bob Friend | Eighth | 25½ out |
| » Lost to Phillies (54-51), 12-7 | Forbes Field (21-32) | 41-61 | Lost 2 |
| » Starters: Russ Meyer vs Paul LaPalme | Eighth | 25½ out |
| Tuesday, August 7 |
| » Lost to Cardinals (48-52), 16-7 | Sportsman's Park III (0-7) | 41-62 | Lost 3 |
| » Starters: Paul LaPalme vs Cloyd Boyer | Eighth | 26 out |
| Future Pirate Jim Sadowski is born in Pittsburgh, PA. |
| Wednesday, August 8 |
| » Defeated Cardinals (48-53), 10-7 | Sportsman's Park III (1-7) | 42-62 | |
| » Starters: Murry Dickson vs Tom Poholsky | Eighth | 26½ out |
| Thursday, August 9 |
| » Lost to Cardinals (49-53), 4-0 | Sportsman's Park III (1-8) | 42-63 | |
| » Starters: Howie Pollet vs Cliff Chambers | Eighth | 27½ out |
| Friday, August 10 |
| » Defeated Cubs (45-58), 3-0 | Wrigley Field (3-2) | 43-63 | |
| » Starters: Mel Queen vs Cal McLish | Eighth | 27 out |
| Saturday, August 11 |
| » Lost to Cubs (46-58), 4-3 | Wrigley Field (3-3) | 43-64 | |
| » Starters: Vern Law vs Bob Kelly | Eighth | 27 out |
| » Defeated Cubs (46-59), 2-1 | Wrigley Field (4-3) | 44-64 | |
| » Starters: Bob Friend vs Bob Rush | Eighth | 27 out |
| Sunday, August 12 |
| » Defeated Cubs (46-60), 1-0 | Wrigley Field (5-3) | 45-64 | Won 2 |
| » Starters: Murry Dickson vs Joe Hatten | Eighth | 27½ out |
| » Lost to Cubs (47-60), 6-0 | Wrigley Field (5-4) | 45-65 | |
| » Starters: Bill Werle vs Paul Minner | Eighth | 27½ out |
| Monday, August 13 |
| » Lost to Reds (50-59), 2-0 | Crosley Field (4-3) | 45-66 | Lost 2 |
| » Starters: Howie Pollet vs Howie Fox | Eighth | 29 out |
| » Lost to Reds (51-59), 7-1 | Crosley Field (4-4) | 45-67 | Lost 3 |
| » Starters: Junior Walsh vs Ewell Blackwell | Eighth | 29 out |
| Wednesday, August 15 |
| » Defeated Cardinals (52-56), 7-0 | Forbes Field (22-32) | 46-67 | |
| » Starters: Gerry Staley vs Bob Friend | Eighth | 27½ out |
| Thursday, August 16 |
| » Lost to Cardinals (53-56), 9-6 | Forbes Field (22-33) | 46-68 | |
| » Starters: Tom Poholsky vs Murry Dickson | Eighth | 27½ out |
| Friday, August 17 |
| » Defeated Cubs (50-62), 8-3 | Forbes Field (23-33) | 47-68 | |
| » Starters: Paul Minner vs Mel Queen | Eighth | 27 out |
| » Major-league debuts: Frank Thomas (Pirates) |
| Saturday, August 18 |
| » Lost to Cubs (51-62), 11-5 | Forbes Field (23-34) | 47-69 | |
| » Starters: Bob Kelly vs Howie Pollet | Eighth | 28 out |
| Sunday, August 19 |
| » Defeated Cubs (51-63), 4-2 | Forbes Field (24-34) | 48-69 | |
| » Starters: Joe Hatten vs Don Carlsen | Eighth | 26½ out |
| » Defeated Cubs (51-64), 5-4 | Forbes Field (25-34) | 49-69 | Won 2 |
| » Starters: Johnny Klippstein vs Murry Dickson | Eighth | 26½ out |
| Tuesday, August 21 |
| » Lost to Braves (56-59), 3-1 | Braves Field (3-7) | 49-70 | |
| » Starters: Bob Friend vs Jim Wilson | Eighth | 27 out |
| Wednesday, August 22 |
| » Lost to Braves (57-59), 5-4 | Braves Field (3-8) | 49-71 | Lost 2 |
| » Starters: Mel Queen vs Max Surkont | Eighth | 28½ out |
| Friday, August 24 |
| » Defeated Phillies (60-61), 5-1 | Shibe Park (4-6) | 50-71 | |
| » Starters: Murry Dickson vs Jocko Thompson | Eighth | 28 out |
| Saturday, August 25 |
| » Defeated Phillies (60-62), 3-2 | Shibe Park (5-6) | 51-71 | Won 2 |
| » Starters: Don Carlsen vs Bubba Church | Eighth | 27 out |
| Sunday, August 26 |
| » Defeated Dodgers (77-44), 12-11 | Ebbets Field (7-1) | 52-71 | Won 3 |
| » Starters: Howie Pollet vs Don Newcombe | Eighth | 27 out |
| » Lost to Dodgers (78-44), 4-3 | Ebbets Field (7-2) | 52-72 | |
| » Starters: Bob Friend vs Preacher Roe | Eighth | 27 out |
| Monday, August 27 |
| » Lost to Dodgers (79-44), 5-0 | Ebbets Field (7-3) | 52-73 | Lost 2 |
| » Starters: Mel Queen vs Ralph Branca | Eighth | 27 out |
| » Defeated Dodgers (79-45), 5-2 | Ebbets Field (8-3) | 53-73 | |
| » Starters: Bill Werle vs Erv Palica | Eighth | 27 out |
| Tuesday, August 28 |
| » Defeated Giants (75-52), 2-0 | Polo Grounds V (3-6) | 54-73 | Won 2 |
| » Starters: Howie Pollet vs Sheldon Jones | Eighth | 27 out |
| Wednesday, August 29 |
| » Lost to Giants (76-52), 3-1 | Polo Grounds V (3-7) | 54-74 | |
| » Starters: Murry Dickson vs Jim Hearn | Eighth | 28 out |
| Thursday, August 30 |
| » Defeated Giants (76-53), 10-9 | Polo Grounds V (4-7) | 55-74 | |
| » Starters: Bob Friend vs George Spencer | Sixth | 28 out |
| Saturday, September 1 |
| » Lost to Cardinals (62-63), 6-2 | Sportsman's Park III (1-9) | 55-75 | |
| » Starters: Don Carlsen vs Cliff Chambers | Seventh | 28 out |
| Sunday, September 2 |
| » Lost to Cardinals (63-63), 6-1 | Sportsman's Park III (1-10) | 55-76 | Lost 2 |
| » Starters: Howie Pollet vs Tom Poholsky | Seventh | 28 out |
| Monday, September 3 |
| » Lost to Cubs (55-75), 11-10 | Wrigley Field (5-5) | 55-77 | Lost 3 |
| » Starters: Mel Queen vs Paul Minner | Sixth | 29 out |
| » Defeated Cubs (55-76), 4-3 | Wrigley Field (6-5) | 56-77 | |
| » Starters: Ted Wilks vs Turk Lown | Sixth | 29 out |
| Wednesday, September 5 |
| » Lost to Reds (57-77), 6-3 | Forbes Field (25-35) | 56-78 | |
| » Starters: Herm Wehmeier vs Bill Werle | Eighth | 30 out |
| Thursday, September 6 |
| » Defeated Reds (57-78), 7-4 | Forbes Field (26-35) | 57-78 | |
| » Starters: Howie Fox vs Howie Pollet | Sixth | 29½ out |
| Friday, September 7 |
| » Lost to Cardinals (68-64), 11-4 | Forbes Field (26-36) | 57-79 | |
| » Starters: Tom Poholsky vs Don Carlsen | Seventh | 30½ out |
| Saturday, September 8 |
| » Lost to Cardinals (69-64), 4-2 | Forbes Field (26-37) | 57-80 | Lost 2 |
| » Starters: Al Brazle vs Mel Queen | Seventh | 31½ out |
| Sunday, September 9 |
| » Lost to Cardinals (70-64), 2-1 | Forbes Field (26-38) | 57-81 | Lost 3 |
| » Starters: Max Lanier vs Murry Dickson | Eighth | 32 out |
| » Lost to Cardinals (71-64), 7-4 | Forbes Field (26-39) | 57-82 | Lost 4 |
| » Starters: Red Munger vs Vern Law | Eighth | 32 out |
| Tuesday, September 11 |
| » Lost to Phillies (66-73), 3-2 | Forbes Field (26-40) | 57-83 | Lost 5 |
| » Starters: Robin Roberts vs Don Carlsen | Eighth | 33 out |
| » Major-league debuts: Mel Clark (Phillies) |
| Wednesday, September 12 |
| » Defeated Phillies (66-74), 8-6 | Forbes Field (27-40) | 58-83 | |
| » Starters: Karl Drews vs Howie Pollet | Eighth | 32 out |
| Friday, September 14 |
| » Lost to Dodgers (89-49), 3-1 | Forbes Field (27-41) | 58-84 | |
| » Starters: Preacher Roe vs Murry Dickson | Eighth | 33 out |
| » Major-league debuts: Dick Smith (Pirates) |
| Former Pirate Wally Roettger dies in Champaign, IL at the age of 50. |
| Saturday, September 15 |
| » Defeated Dodgers (89-50), 11-4 | Forbes Field (28-41) | 59-84 | |
| » Starters: Ralph Branca vs Mel Queen | Seventh | 32 out |
| Sunday, September 16 |
| » Lost to Giants (87-57), 7-1 | Forbes Field (28-42) | 59-85 | |
| » Starters: Larry Jansen vs Howie Pollet | Seventh | 33½ out |
| » Lost to Giants (88-57), 6-4 | Forbes Field (28-43) | 59-86 | Lost 2 |
| » Starters: Sal Maglie vs Don Carlsen | Seventh | 33½ out |
| Tuesday, September 18 |
| » Defeated Braves (73-71), 6-5 | Forbes Field (29-43) | 60-86 | |
| » Starters: Jim Wilson vs Len Yochim | Eighth | 32 out |
| Wednesday, September 19 |
| » Defeated Braves (73-72), 7-3 | Forbes Field (30-43) | 61-86 | Won 2 |
| » Starters: Chet Nichols vs Murry Dickson | Seventh | 32 out |
| Saturday, September 22 |
| » Lost to Reds (64-84), 9-0 | Crosley Field (4-5) | 61-87 | |
| » Starters: Bob Friend vs Herm Wehmeier | Seventh | 32 out |
| Sunday, September 23 |
| » Defeated Reds (64-85), 3-0 | Crosley Field (5-5) | 62-87 | |
| » Starters: Murry Dickson vs Ewell Blackwell | Seventh | 32½ out |
| » Lost to Reds (65-85), 2-0 | Crosley Field (5-6) | 62-88 | |
| » Starters: Howie Pollet vs Howie Fox | Seventh | 32½ out |
| Tuesday, September 25 |
| » Defeated Cubs (61-90), 6-3 | Forbes Field (31-43) | 63-88 | |
| » Starters: Turk Lown vs Mel Queen | Seventh | 31 out |
| Friday, September 28 |
| » Lost to Reds (67-85), 4-3 | Forbes Field (31-44) | 63-89 | |
| » Starters: Herm Wehmeier vs Len Yochim | Sixth | 31 out |
| Saturday, September 29 |
| » Lost to Reds (68-85), 4-2 | Forbes Field (31-45) | 63-90 | Lost 2 |
| » Starters: Ewell Blackwell vs Murry Dickson | Sixth | 32 out |
| Sunday, September 30 |
| » Defeated Reds (68-86), 8-4 | Forbes Field (32-45) | 64-90 | |
| » Starters: Howie Fox vs Howie Pollet |
