| Thursday, January 13 |
| Future Pirate Jim Foor is born in St. Louis, MO. |
| Friday, February 4 |
| Future Pirate Steve Brye is born in Alameda, CA. |
| Sunday, February 6 |
| Future Pirate Richie Zisk is born in Brooklyn, NY. |
| Friday, February 18 |
| Former Pirate Marty O'Toole dies in Aberdeen, WA at the age of 61. |
| Thursday, March 3 |
| Future Pirate Jesse Jefferson is born in Midlothian, VA. |
| Tuesday, April 19 |
| » Defeated Cubs (0-1), 1-0 | Wrigley Field (1-0) | 1-0 | |
| » Starters: Rip Sewell vs Dutch Leonard | First | -- |
| » Major-league debuts: Smoky Burgess (Cubs) |
| Wednesday, April 20 |
| » Lost to Cubs (1-1), 4-0 | Wrigley Field (1-1) | 1-1 | |
| » Starters: Murry Dickson vs Bob Rush | Fourth | 1 out |
| Thursday, April 21 |
| » Lost to Cubs (2-1), 4-3 | Wrigley Field (1-2) | 1-2 | Lost 2 |
| » Starters: Bob Muncrief vs Monk Dubiel | Fourth | 1½ out |
| Friday, April 22 |
| » Defeated Reds (2-1), 5-4 | Forbes Field (1-0) | 2-2 | |
| » Starters: Howie Fox vs Bob Chesnes | Third | 1 out |
| » Major-league debuts: Bill Werle (Pirates) |
| Saturday, April 23 |
| » Major-league debuts: Cloyd Boyer and Bill Reeder (Cardinals) |
| Sunday, April 24 |
| » Lost to Reds (3-1), 3-2 | Forbes Field (1-1) | 2-3 | |
| » Starters: Herm Wehmeier vs Elmer Riddle | Third | 1 out |
| » Defeated Reds (3-2), 3-1 | Forbes Field (2-1) | 3-3 | |
| » Starters: Buddy Lively vs Cliff Chambers | Third | 1 out |
| » Major-league debuts: Lloyd Merriman and Johnny Pramesa (Reds) |
| Monday, April 25 |
| » Defeated Cubs (3-4), 8-2 | Forbes Field (3-1) | 4-3 | Won 2 |
| » Starters: Bob Rush vs Rip Sewell | Second | ½ out |
| Wednesday, April 27 |
| » Defeated Cardinals (3-4), 7-1 | Sportsman's Park III (1-0) | 5-3 | Won 3 |
| » Starters: Murry Dickson vs Howie Pollet | First | -- |
| » Major-league debuts: Solly Hemus (Cardinals) Rocky Nelson (Pirates) |
| Thursday, April 28 |
| » Lost to Cardinals (4-4), 4-2 | Sportsman's Park III (1-1) | 5-4 | |
| » Starters: Bob Muncrief vs Al Brazle | Second | ½ out |
| Friday, April 29 |
| » Lost to Reds (5-4), 7-3 | Crosley Field (0-1) | 5-5 | Lost 2 |
| » Starters: Bill Werle vs Howie Fox | Fourth | 1 out |
| Saturday, April 30 |
| » Lost to Reds (6-4), 8-4 | Crosley Field (0-2) | 5-6 | Lost 3 |
| » Starters: Elmer Riddle vs Herm Wehmeier | Sixth | 1½ out |
| Future Pirate Phil Garner is born in Jefferson City, TN. |
| Sunday, May 1 |
| » Defeated Reds (6-5), 10-4 | Crosley Field (1-2) | 6-6 | |
| » Starters: Bob Chesnes vs Dixie Howell | Fourth | 2½ out |
| » Lost to Reds (7-5), 5-2 | Crosley Field (1-3) | 6-7 | |
| » Starters: Cliff Chambers vs Buddy Lively | Fourth | 2½ out |
| Tuesday, May 3 |
| » Lost to Giants (7-7), 5-3 | Polo Grounds V (0-1) | 6-8 | Lost 2 |
| » Starters: Murry Dickson vs Clint Hartung | Seventh | 2½ out |
| Wednesday, May 4 |
| » Lost to Giants (8-7), 11-4 | Polo Grounds V (0-2) | 6-9 | Lost 3 |
| » Starters: Bob Muncrief vs Larry Jansen | Seventh | 3½ out |
| Thursday, May 5 |
| » Lost to Giants (9-7), 3-2 | Polo Grounds V (0-3) | 6-10 | Lost 4 |
| » Starters: Rip Sewell vs Sheldon Jones | Seventh | 4 out |
| Friday, May 6 |
| » Lost to Phillies (9-9), 4-3 | Shibe Park (0-1) | 6-11 | Lost 5 |
| » Starters: Elmer Riddle vs Russ Meyer | Seventh | 5 out |
| Saturday, May 7 |
| » Defeated Phillies (9-10), 6-4 | Shibe Park (1-1) | 7-11 | |
| » Starters: Bob Chesnes vs Schoolboy Rowe | Sixth | 4 out |
| Sunday, May 8 |
| » Defeated Braves (11-8), 8-3 | Braves Field (1-0) | 8-11 | Won 2 |
| » Starters: Cliff Chambers vs Johnny Sain | Sixth | 3½ out |
| » Defeated Braves (11-9), 11-8 | Braves Field (2-0) | 9-11 | Won 3 |
| » Starters: Murry Dickson vs Vern Bickford | Sixth | 3½ out |
| Monday, May 9 |
| » Lost to Braves (12-9), 4-1 | Braves Field (2-1) | 9-12 | |
| » Starters: Murry Dickson vs Vern Bickford | Seventh | 4½ out |
| Wednesday, May 11 |
| » Defeated Dodgers (11-10), 5-3 | Ebbets Field (1-0) | 10-12 | |
| » Starters: Bill Werle vs Rex Barney | Fifth | 3½ out |
| Thursday, May 12 |
| » Lost to Dodgers (12-10), 11-6 | Ebbets Field (1-1) | 10-13 | |
| » Starters: Hal Gregg vs Ralph Branca | Fifth | 3½ out |
| Friday, May 13 |
| » Defeated Cardinals (8-12), 3-2 | Forbes Field (4-1) | 11-13 | |
| » Starters: Harry Brecheen vs Rip Sewell | Fourth | 3½ out |
| Saturday, May 14 |
| » Lost to Cardinals (9-12), 4-3 | Forbes Field (4-2) | 11-14 | |
| » Starters: Howie Pollet vs Murry Dickson | Fourth | 4½ out |
| Sunday, May 15 |
| » Lost to Cardinals (10-12), 4-3 | Forbes Field (4-3) | 11-15 | Lost 2 |
| » Starters: Jim Hearn vs Bill Werle | Fifth | 5½ out |
| Monday, May 16 |
| Future Pirate Rick Reuschel is born in Quincy, IL. |
| Tuesday, May 17 |
| » Defeated Giants (16-10), 3-2 | Forbes Field (5-3) | 12-15 | |
| » Starters: Clint Hartung vs Bob Chesnes | Fourth | 4½ out |
| Wednesday, May 18 |
| » Defeated Giants (16-11), 5-3 | Forbes Field (6-3) | 13-15 | Won 2 |
| » Starters: Larry Jansen vs Bob Muncrief | Fourth | 3½ out |
| Thursday, May 19 |
| » Lost to Braves (17-11), 3-2 | Forbes Field (6-4) | 13-16 | |
| » Starters: Vern Bickford vs Elmer Riddle | Fourth | 4½ out |
| Friday, May 20 |
| » Defeated Braves (17-12), 2-1 | Forbes Field (7-4) | 14-16 | |
| » Starters: Bob Hall vs Bill Werle | Fourth | 4½ out |
| Saturday, May 21 |
| » Lost to Braves (18-12), 8-2 | Forbes Field (7-5) | 14-17 | |
| » Starters: Warren Spahn vs Murry Dickson | Sixth | 5 out |
| Sunday, May 22 |
| » Lost to Phillies (15-15), 6-5 | Forbes Field (7-6) | 14-18 | Lost 2 |
| » Starters: Robin Roberts vs Rip Sewell | Fifth | 5½ out |
| Tuesday, May 24 |
| » Lost to Dodgers (18-15), 6-1 | Forbes Field (7-7) | 14-19 | Lost 3 |
| » Starters: Ralph Branca vs Bob Chesnes | Seventh | 6 out |
| Wednesday, May 25 |
| » Lost to Dodgers (19-15), 8-6 | Forbes Field (7-8) | 14-20 | Lost 4 |
| » Starters: Rex Barney vs Bill Werle | Seventh | 6 out |
| Thursday, May 26 |
| » Lost to Cardinals (15-17), 13-6 | Sportsman's Park III (1-2) | 14-21 | Lost 5 |
| » Starters: Kirby Higbe vs Red Munger | Sixth | 6½ out |
| Friday, May 27 |
| » Lost to Cardinals (16-17), 2-1 | Sportsman's Park III (1-3) | 14-22 | Lost 6 |
| » Starters: Murry Dickson vs Al Brazle | Sixth | 6½ out |
| Saturday, May 28 |
| » Lost to Cardinals (17-17), 4-2 | Sportsman's Park III (1-4) | 14-23 | Lost 7 |
| » Starters: Bill Werle vs Gerry Staley | Sixth | 7½ out |
| Sunday, May 29 |
| » Defeated Cardinals (17-18), 4-2 | Sportsman's Park III (2-4) | 15-23 | |
| » Starters: Elmer Riddle vs Harry Brecheen | Sixth | 6½ out |
| Former Pirate Doc Scanlan dies in Brooklyn, NY at the age of 69. |
| Monday, May 30 |
| » Lost to Cubs (15-21), 8-5 | Forbes Field (7-9) | 15-24 | |
| » Starters: Bob Rush vs Rip Sewell | Sixth | 6½ out |
| » Defeated Cubs (15-22), 8-6 | Forbes Field (8-9) | 16-24 | |
| » Starters: Cal McLish vs Bob Chesnes | Sixth | 6½ out |
| Wednesday, June 1 |
| » Lost to Braves (24-17), 8-6 | Braves Field (2-2) | 16-25 | |
| » Starters: Vic Lombardi vs Vern Bickford | Seventh | 8 out |
| Thursday, June 2 |
| » Lost to Braves (25-17), 4-1 | Braves Field (2-3) | 16-26 | Lost 2 |
| » Starters: Tiny Bonham vs Warren Spahn | Sixth | 9 out |
| Saturday, June 4 |
| » Lost to Dodgers (25-19), 8-6 | Ebbets Field (1-2) | 16-27 | Lost 3 |
| » Starters: Bill Werle vs Rex Barney | Seventh | 9 out |
| Sunday, June 5 |
| » Defeated Dodgers (25-20), 5-4 | Ebbets Field (2-2) | 17-27 | |
| » Starters: Elmer Riddle vs Ralph Branca | Eighth | 8½ out |
| Monday, June 6 |
| » Lost to Dodgers (26-20), 5-1 | Ebbets Field (2-3) | 17-28 | |
| » Starters: Bob Chesnes vs Don Newcombe | Seventh | 8½ out |
| Tuesday, June 7 |
| » Lost to Phillies (24-23), 6-5 | Shibe Park (1-2) | 17-29 | Lost 2 |
| » Starters: Vic Lombardi vs Curt Simmons | Eighth | 9½ out |
| Wednesday, June 8 |
| » Lost to Phillies (25-23), 2-0 | Shibe Park (1-3) | 17-30 | Lost 3 |
| » Starters: Tiny Bonham vs Robin Roberts | Eighth | 10½ out |
| Thursday, June 9 |
| » Lost to Phillies (26-23), 4-3 | Shibe Park (1-4) | 17-31 | Lost 4 |
| » Starters: Ray Poat vs Russ Meyer | Seventh | 11½ out |
| Friday, June 10 |
| » Defeated Giants (26-24), 6-1 | Polo Grounds V (1-3) | 18-31 | |
| » Starters: Bill Werle vs Larry Jansen | Seventh | 11½ out |
| Saturday, June 11 |
| » Lost to Giants (27-24), 4-3 | Polo Grounds V (1-4) | 18-32 | |
| » Starters: Elmer Riddle vs Monte Kennedy | Seventh | 12½ out |
| Sunday, June 12 |
| » Defeated Giants (27-25), 6-5 | Polo Grounds V (2-4) | 19-32 | |
| » Starters: Vic Lombardi vs Kirby Higbe | Eighth | 12½ out |
| Tuesday, June 14 |
| » Defeated Braves (30-23), 4-3 | Forbes Field (9-9) | 20-32 | Won 2 |
| » Starters: Bob Hall vs Bob Chesnes | Seventh | 12½ out |
| » Major-league debuts: Dino Restelli (Pirates) |
| Wednesday, June 15 |
| » Defeated Braves (30-24), 8-7 | Forbes Field (10-9) | 21-32 | Won 3 |
| » Starters: Warren Spahn vs Bill Werle | Seventh | 11½ out |
| Former Pirate Nig Clarke dies in River Rouge, MI at the age of 67. |
| Thursday, June 16 |
| » Lost to Braves (31-24), 7-2 | Forbes Field (10-10) | 21-33 | |
| » Starters: Vern Bickford vs Ray Poat | Seventh | 11½ out |
| Friday, June 17 |
| » Defeated Giants (28-26), 6-4 | Forbes Field (11-10) | 22-33 | |
| » Starters: Clint Hartung vs Tiny Bonham | Seventh | 11½ out |
| Saturday, June 18 |
| » Lost to Giants (29-26), 5-4 | Forbes Field (11-11) | 22-34 | |
| » Starters: Sheldon Jones vs Elmer Riddle | Seventh | 12½ out |
| Sunday, June 19 |
| » Defeated Giants (29-27), 9-4 | Forbes Field (12-11) | 23-34 | |
| » Starters: Larry Jansen vs Bob Chesnes | Seventh | 11½ out |
| Future Pirate Jerry Reuss is born in St. Louis, MO. |
| Monday, June 20 |
| » Lost to Phillies (34-27), 7-1 | Forbes Field (12-12) | 23-35 | |
| » Starters: Russ Meyer vs Bill Werle | Seventh | 12 out |
| Tuesday, June 21 |
| » Lost to Phillies (35-27), 9-4 | Forbes Field (12-13) | 23-36 | Lost 2 |
| » Starters: Hank Borowy vs Murry Dickson | Seventh | 13 out |
| Wednesday, June 22 |
| » Defeated Phillies (35-28), 12-3 | Forbes Field (13-13) | 24-36 | |
| » Starters: Robin Roberts vs Vic Lombardi | Seventh | 12 out |
| Future Pirate Dave Tomlin is born in Maysville, KY. |
| Thursday, June 23 |
| » Lost to Phillies (36-28), 9-3 | Forbes Field (13-14) | 24-37 | |
| » Starters: Curt Simmons vs Elmer Riddle | Seventh | 13 out |
| Friday, June 24 |
| » Defeated Dodgers (37-25), 4-2 | Forbes Field (14-14) | 25-37 | |
| » Starters: Rex Barney vs Tiny Bonham | Seventh | 12½ out |
| Saturday, June 25 |
| » Lost to Dodgers (38-25), 17-10 | Forbes Field (14-15) | 25-38 | |
| » Starters: Ralph Branca vs Bob Chesnes | Seventh | 13 out |
| Sunday, June 26 |
| » Lost to Dodgers (39-25), 15-3 | Forbes Field (14-16) | 25-39 | Lost 2 |
| » Starters: Don Newcombe vs Bill Werle | Seventh | 14 out |
| Wednesday, June 29 |
| » Defeated Reds (27-37), 7-3 | Forbes Field (15-16) | 26-39 | |
| » Starters: Eddie Erautt vs Vic Lombardi | Seventh | 14½ out |
| Thursday, June 30 |
| » Defeated Reds (27-38), 2-1 | Forbes Field (16-16) | 27-39 | Won 2 |
| » Starters: Howie Fox vs Cliff Chambers | Sixth | 13½ out |
| Friday, July 1 |
| » Lost to Cubs (27-42), 6-5 | Wrigley Field (1-3) | 27-40 | |
| » Starters: Bob Chesnes vs Dutch Leonard | Seventh | 13½ out |
| Saturday, July 2 |
| » Defeated Cubs (27-43), 8-3 | Wrigley Field (2-3) | 28-40 | |
| » Starters: Tiny Bonham vs Monk Dubiel | Sixth | 13½ out |
| » Major-league debuts: Tom Saffell (Pirates) |
| Sunday, July 3 |
| » Defeated Cubs (27-44), 7-3 | Wrigley Field (3-3) | 29-40 | Won 2 |
| » Starters: Vic Lombardi vs Warren Hacker | Seventh | 12½ out |
| Monday, July 4 |
| » Defeated Reds (29-40), 2-1 | Crosley Field (2-3) | 30-40 | Won 3 |
| » Starters: Cliff Chambers vs Howie Fox | Fifth | 12½ out |
| » Defeated Reds (29-41), 1-0 | Crosley Field (3-3) | 31-40 | Won 4 |
| » Starters: Bill Werle vs Ewell Blackwell | Fifth | 12½ out |
| Wednesday, July 6 |
| » Defeated Cardinals (43-31), 4-3 | Forbes Field (17-16) | 32-40 | Won 5 |
| » Starters: Red Munger vs Elmer Riddle | Fifth | 11 out |
| Thursday, July 7 |
| » Defeated Cardinals (43-32), 2-0 | Forbes Field (18-16) | 33-40 | Won 6 |
| » Starters: Gerry Staley vs Tiny Bonham | Fifth | 11 out |
| Friday, July 8 |
| » Defeated Cubs (28-49), 2-1 | Forbes Field (19-16) | 34-40 | Won 7 |
| » Starters: Dutch Leonard vs Vic Lombardi | Sixth | 11 out |
| Saturday, July 9 |
| » Defeated Cubs (28-50), 6-5 | Forbes Field (20-16) | 35-40 | Won 8 |
| » Starters: Warren Hacker vs Cliff Chambers | Sixth | 10 out |
| Sunday, July 10 |
| » Lost to Cubs (29-50), 8-6 | Forbes Field (20-17) | 35-41 | |
| » Starters: Bob Rush vs Bob Chesnes | Sixth | 11½ out |
| » Lost to Cubs (30-50), 9-6 | Forbes Field (20-18) | 35-42 | Lost 2 |
| » Starters: Bob Chipman vs Bill Werle | Sixth | 11½ out |
| Thursday, July 14 |
| » Lost to Giants (39-38), 4-3 | Polo Grounds V (2-5) | 35-43 | Lost 3 |
| » Starters: Bill Werle vs Larry Jansen | Sixth | 12½ out |
| Saturday, July 16 |
| » Defeated Giants (39-39), 9-0 | Polo Grounds V (3-5) | 36-43 | |
| » Starters: Bob Chesnes vs Clint Hartung | Sixth | 11½ out |
| » Defeated Giants (39-40), 7-6 | Polo Grounds V (4-5) | 37-43 | Won 2 |
| » Starters: Tiny Bonham vs Hank Behrman | Sixth | 11½ out |
| Sunday, July 17 |
| » Defeated Phillies (43-40), 2-1 | Shibe Park (2-4) | 38-43 | Won 3 |
| » Starters: Cliff Chambers vs Russ Meyer | Sixth | 11½ out |
| Monday, July 18 |
| » Defeated Phillies (43-41), 7-2 | Shibe Park (3-4) | 39-43 | Won 4 |
| » Starters: Murry Dickson vs Blix Donnelly | Sixth | 11½ out |
| Tuesday, July 19 |
| » Lost to Dodgers (52-32), 4-3 | Ebbets Field (2-4) | 39-44 | |
| » Starters: Bill Werle vs Don Newcombe | Sixth | 12½ out |
| Wednesday, July 20 |
| » Defeated Dodgers (52-33), 8-6 | Ebbets Field (3-4) | 40-44 | |
| » Starters: Elmer Riddle vs Ralph Branca | Sixth | 11½ out |
| Thursday, July 21 |
| » Lost to Dodgers (53-33), 7-6 | Ebbets Field (3-5) | 40-45 | |
| » Starters: Bob Chesnes vs Carl Erskine | Sixth | 12½ out |
| Friday, July 22 |
| » Lost to Braves (48-41), 5-3 | Braves Field (2-4) | 40-46 | Lost 2 |
| » Starters: Vic Lombardi vs Vern Bickford | Sixth | 12½ out |
| Saturday, July 23 |
| » Defeated Braves (48-42), 12-9 | Braves Field (3-4) | 41-46 | |
| » Starters: Tiny Bonham vs Warren Spahn | Sixth | 11½ out |
| Sunday, July 24 |
| » Defeated Braves (48-43), 4-3 | Braves Field (4-4) | 42-46 | Won 2 |
| » Starters: Bill Werle vs Johnny Sain | Sixth | 10½ out |
| » Defeated Braves (48-44), 7-6 | Braves Field (5-4) | 43-46 | Won 3 |
| » Starters: Cliff Chambers vs Bill Voiselle | Sixth | 10½ out |
| Tuesday, July 26 |
| » Defeated Giants (44-45), 4-1 | Forbes Field (21-18) | 44-46 | Won 4 |
| » Starters: Andy Hansen vs Tiny Bonham | Sixth | 10½ out |
| Wednesday, July 27 |
| » Lost to Giants (45-45), 8-3 | Forbes Field (21-19) | 44-47 | |
| » Starters: Clint Hartung vs Bob Chesnes | Sixth | 11½ out |
| Thursday, July 28 |
| » Lost to Giants (46-45), 8-6 | Forbes Field (21-20) | 44-48 | Lost 2 |
| » Starters: Larry Jansen vs Murry Dickson | Sixth | 12½ out |
| Sunday, July 31 |
| » Lost to Braves (51-45), 9-1 | Forbes Field (21-21) | 44-49 | Lost 3 |
| » Starters: Johnny Sain vs Cliff Chambers | Sixth | 12½ out |
| » Defeated Braves (51-46), 6-5 | Forbes Field (22-21) | 45-49 | |
| » Starters: Bill Voiselle vs Bill Werle | Sixth | 12½ out |
| Monday, August 1 |
| » Lost to Dodgers (57-38), 9-0 | Forbes Field (22-22) | 45-50 | |
| » Starters: Ralph Branca vs Tiny Bonham | Sixth | 12½ out |
| Tuesday, August 2 |
| » Lost to Dodgers (58-38), 5-2 | Forbes Field (22-23) | 45-51 | Lost 2 |
| » Starters: Rex Barney vs Bob Chesnes | Sixth | 13½ out |
| Wednesday, August 3 |
| » Lost to Dodgers (59-38), 10-5 | Forbes Field (22-24) | 45-52 | Lost 3 |
| » Starters: Carl Erskine vs Elmer Riddle | Sixth | 14½ out |
| Thursday, August 4 |
| » Lost to Dodgers (60-38), 11-3 | Forbes Field (22-25) | 45-53 | Lost 4 |
| » Starters: Don Newcombe vs Vic Lombardi | Sixth | 15½ out |
| Friday, August 5 |
| » Defeated Phillies (50-52), 1-0 | Forbes Field (23-25) | 46-53 | |
| » Starters: Schoolboy Rowe vs Bill Werle | Sixth | 15½ out |
| Saturday, August 6 |
| » Lost to Phillies (51-52), 4-3 | Forbes Field (23-26) | 46-54 | |
| » Starters: Ken Heintzelman vs Tiny Bonham | Sixth | 15½ out |
| Sunday, August 7 |
| » Lost to Phillies (52-52), 7-3 | Forbes Field (23-27) | 46-55 | Lost 2 |
| » Starters: Hank Borowy vs Cliff Chambers | Fourth | 17 out |
| » Lost to Phillies (53-52), 5-4 | Forbes Field (23-28) | 46-56 | Lost 3 |
| » Starters: Blix Donnelly vs Bob Chesnes | Fourth | 17 out |
| Tuesday, August 9 |
| » Defeated Cubs (40-67), 8-3 | Wrigley Field (4-3) | 47-56 | |
| » Starters: Cliff Chambers vs Johnny Schmitz | Fourth | 17½ out |
| Wednesday, August 10 |
| » Lost to Cubs (41-67), 2-0 | Wrigley Field (4-4) | 47-57 | |
| » Starters: Junior Walsh vs Doyle Lade | Fifth | 18½ out |
| Thursday, August 11 |
| » Defeated Cubs (41-68), 3-2 | Wrigley Field (5-4) | 48-57 | |
| » Starters: Bill Werle vs Monk Dubiel | Sixth | 18½ out |
| Friday, August 12 |
| » Lost to Cardinals (67-39), 8-2 | Sportsman's Park III (2-5) | 48-58 | |
| » Starters: Tiny Bonham vs Gerry Staley | Sixth | 19 out |
| Saturday, August 13 |
| » Defeated Cardinals (67-40), 6-3 | Sportsman's Park III (3-5) | 49-58 | |
| » Starters: Murry Dickson vs Red Munger | Fifth | 18 out |
| Sunday, August 14 |
| » Defeated Cardinals (67-41), 4-0 | Sportsman's Park III (4-5) | 50-58 | Won 2 |
| » Starters: Cliff Chambers vs Howie Pollet | Sixth | 18 out |
| Monday, August 15 |
| » Defeated Reds (45-66), 9-7 | Crosley Field (4-3) | 51-58 | Won 3 |
| » Starters: Bill Werle vs Herm Wehmeier | Sixth | 17½ out |
| Tuesday, August 16 |
| » Lost to Reds (46-66), 2-1 | Crosley Field (4-4) | 51-59 | |
| » Starters: Bob Chesnes vs Howie Fox | Sixth | 17½ out |
| Thursday, August 18 |
| » Defeated Cubs (43-72), 2-0 | Forbes Field (24-28) | 52-59 | |
| » Starters: Doyle Lade vs Junior Walsh | Sixth | 17 out |
| Friday, August 19 |
| » Defeated Cardinals (69-43), 8-2 | Forbes Field (25-28) | 53-59 | Won 2 |
| » Starters: Gerry Staley vs Cliff Chambers | Fifth | 16 out |
| Saturday, August 20 |
| » Lost to Cardinals (70-43), 4-3 | Forbes Field (25-29) | 53-60 | |
| » Starters: Red Munger vs Tiny Bonham | Sixth | 17 out |
| Sunday, August 21 |
| » Lost to Cardinals (71-43), 4-2 | Forbes Field (25-30) | 53-61 | Lost 2 |
| » Starters: Fred Martin vs Bill Werle | Sixth | 17 out |
| » Defeated Cardinals (71-44), 8-0 | Forbes Field (26-30) | 54-61 | |
| » Starters: Harry Brecheen vs Murry Dickson | Sixth | 17 out |
| Monday, August 22 |
| Future Pirate Doug Bair is born in Defiance, OH. |
| Tuesday, August 23 |
| » Lost to Braves (61-56), 5-2 | Braves Field (5-5) | 54-62 | |
| » Starters: Bob Chesnes vs Johnny Sain | Sixth | 17½ out |
| Wednesday, August 24 |
| » Lost to Braves (62-56), 6-5 | Braves Field (5-6) | 54-63 | Lost 2 |
| » Starters: Cliff Chambers vs Warren Spahn | Sixth | 17½ out |
| Thursday, August 25 |
| » Defeated Phillies (61-59), 5-1 | Shibe Park (4-4) | 55-63 | |
| » Starters: Murry Dickson vs Russ Meyer | Sixth | 18 out |
| » Lost to Phillies (62-59), 4-2 | Shibe Park (4-5) | 55-64 | |
| » Starters: Junior Walsh vs Robin Roberts | Sixth | 18 out |
| Former Pirate Mule Watson dies in Shreveport, LA at the age of 53. |
| Friday, August 26 |
| » Defeated Phillies (62-60), 3-2 | Shibe Park (5-5) | 56-64 | |
| » Starters: Bill Werle vs Ken Heintzelman | Sixth | 17 out |
| Saturday, August 27 |
| » Defeated Phillies (62-61), 8-2 | Shibe Park (6-5) | 57-64 | Won 2 |
| » Starters: Tiny Bonham vs Schoolboy Rowe | Sixth | 17½ out |
| Sunday, August 28 |
| » Lost to Dodgers (74-49), 9-0 | Ebbets Field (3-6) | 57-65 | |
| » Starters: Bob Chesnes vs Don Newcombe | Sixth | 19 out |
| Monday, August 29 |
| » Lost to Dodgers (75-49), 5-1 | Ebbets Field (3-7) | 57-66 | Lost 2 |
| » Starters: Cliff Chambers vs Jack Banta | Sixth | 20 out |
| Tuesday, August 30 |
| » Lost to Dodgers (76-49), 4-3 | Ebbets Field (3-8) | 57-67 | Lost 3 |
| » Starters: Murry Dickson vs Rex Barney | Sixth | 20 out |
| Wednesday, August 31 |
| » Lost to Giants (63-62), 12-5 | Polo Grounds V (4-6) | 57-68 | Lost 4 |
| » Starters: Bill Werle vs Sheldon Jones | Sixth | 20½ out |
| Thursday, September 1 |
| » Lost to Giants (64-62), 9-5 | Polo Grounds V (4-7) | 57-69 | Lost 5 |
| » Starters: Junior Walsh vs Hank Behrman | Sixth | 21½ out |
| Saturday, September 3 |
| » Lost to Cubs (50-81), 11-7 | Wrigley Field (5-5) | 57-70 | Lost 6 |
| » Starters: Cliff Chambers vs Monk Dubiel | Sixth | 22 out |
| Sunday, September 4 |
| » Lost to Cubs (51-81), 11-7 | Wrigley Field (5-6) | 57-71 | Lost 7 |
| » Starters: Bob Chesnes vs Bob Muncrief | Sixth | 23½ out |
| Monday, September 5 |
| » Lost to Cardinals (82-48), 9-1 | Sportsman's Park III (4-6) | 57-72 | Lost 8 |
| » Starters: Murry Dickson vs Red Munger | Sixth | 23½ out |
| » Defeated Cardinals (82-49), 5-4 | Sportsman's Park III (5-6) | 58-72 | |
| » Starters: Bill Werle vs Gerry Staley | Sixth | 23½ out |
| Tuesday, September 6 |
| » Lost to Reds (53-78), 6-3 | Forbes Field (26-31) | 58-73 | |
| » Starters: Howie Fox vs Junior Walsh | Sixth | 24 out |
| Wednesday, September 7 |
| » Lost to Reds (54-78), 5-2 | Forbes Field (26-32) | 58-74 | Lost 2 |
| » Starters: Ken Raffensberger vs Cliff Chambers | Sixth | 25 out |
| Thursday, September 8 |
| » Lost to Reds (55-78), 9-7 | Forbes Field (26-33) | 58-75 | Lost 3 |
| » Starters: Herm Wehmeier vs Vic Lombardi | Sixth | 26 out |
| Friday, September 9 |
| » Lost to Cubs (53-84), 8-1 | Forbes Field (26-34) | 58-76 | Lost 4 |
| » Starters: Monk Dubiel vs Bob Chesnes | Sixth | 26 out |
| Saturday, September 10 |
| » Lost to Cubs (54-84), 9-5 | Forbes Field (26-35) | 58-77 | Lost 5 |
| » Starters: Dutch Leonard vs Bill Werle | Sixth | 27 out |
| Sunday, September 11 |
| » Defeated Cubs (54-85), 7-3 | Forbes Field (27-35) | 59-77 | |
| » Starters: Dewey Adkins vs Murry Dickson | Sixth | 27½ out |
| Monday, September 12 |
| Former Pirate Sherry Smith dies in Reidsville, GA at the age of 59. |
| Tuesday, September 13 |
| » Defeated Phillies (74-66), 11-6 | Forbes Field (28-35) | 60-77 | Won 2 |
| » Starters: Hank Borowy vs Cliff Chambers | Sixth | 27½ out |
| Wednesday, September 14 |
| » Lost to Phillies (75-66), 12-4 | Forbes Field (28-36) | 60-78 | |
| » Starters: Robin Roberts vs Junior Walsh | Sixth | 28½ out |
| » Major-league debuts: Ed Sanicki (Phillies) |
| Thursday, September 15 |
| Future Pirate Dave Pagan is born in Nipawin, SK. Former Pirate Ernie Bonham dies in Pittsburgh, PA at the age of 37. |
| Friday, September 16 |
| » Defeated Dodgers (88-53), 9-2 | Forbes Field (29-36) | 61-78 | |
| » Starters: Don Newcombe vs Bill Werle | Sixth | 28½ out |
| Saturday, September 17 |
| » Defeated Dodgers (88-54), 7-2 | Forbes Field (30-36) | 62-78 | Won 2 |
| » Starters: Jack Banta vs Murry Dickson | Sixth | 27½ out |
| Sunday, September 18 |
| » Lost to Giants (68-74), 13-4 | Forbes Field (30-37) | 62-79 | |
| » Starters: Sheldon Jones vs Bob Chesnes | Sixth | 28 out |
| » Defeated Giants (68-75), 7-2 | Forbes Field (31-37) | 63-79 | |
| » Starters: Monte Kennedy vs Cliff Chambers | Sixth | 28 out |
| Monday, September 19 |
| » Lost to Giants (69-75), 6-4 | Forbes Field (31-38) | 63-80 | |
| » Starters: Kirby Higbe vs Junior Walsh | Sixth | 28 out |
| Tuesday, September 20 |
| » Lost to Braves (71-74), 4-2 | Forbes Field (31-39) | 63-81 | Lost 2 |
| » Starters: Vern Bickford vs Vic Lombardi | Sixth | 29 out |
| Wednesday, September 21 |
| » Lost to Braves (72-74), 9-7 | Forbes Field (31-40) | 63-82 | Lost 3 |
| » Starters: Bill Voiselle vs Bill Werle | Sixth | 29½ out |
| Thursday, September 22 |
| » Defeated Braves (72-75), 1-0 | Forbes Field (32-40) | 64-82 | |
| » Starters: Johnny Sain vs Murry Dickson | Sixth | 28½ out |
| Friday, September 23 |
| » Major-league debuts: Wally Hood (Yankees) |
| Saturday, September 24 |
| » Defeated Reds (60-88), 6-5 | Crosley Field (5-4) | 65-82 | Won 2 |
| » Starters: Cliff Chambers vs Ken Raffensberger | Sixth | 28½ out |
| Sunday, September 25 |
| » Defeated Reds (60-89), 7-3 | Crosley Field (6-4) | 66-82 | Won 3 |
| » Starters: Bob Chesnes vs Herm Wehmeier | Sixth | 28 out |
| » Defeated Reds (60-90), 5-3 | Crosley Field (7-4) | 67-82 | Won 4 |
| » Starters: Vic Lombardi vs Howie Fox | Sixth | 28 out |
| Tuesday, September 27 |
| » Defeated Cardinals (95-55), 6-4 | Forbes Field (33-40) | 68-82 | Won 5 |
| » Starters: Red Munger vs Bill Werle | Sixth | 27 out |
| Thursday, September 29 |
| » Defeated Cardinals (95-56), 7-2 | Forbes Field (34-40) | 69-82 | Won 6 |
| » Starters: Gerry Staley vs Murry Dickson | Fifth | 26½ out |
| Friday, September 30 |
| » Defeated Reds (61-91), 3-2 | Forbes Field (35-40) | 70-82 | Won 7 |
| » Starters: Herm Wehmeier vs Bob Chesnes | Fifth | 26 out |
| Sunday, October 2 |
| » Defeated Reds (61-92), 4-2 | Forbes Field (36-40) | 71-82 | Won 8 |
| » Starters: Howie Fox vs Cliff Chambers | Sixth | 26 out |
| » Lost to Reds (62-92), 6-5 | Forbes Field (36-41) | 71-83 | |
| » Starters: Ken Raffensberger vs Bill Werle | Six |
