| Monday, January 12 |
| Future Pirate Ed Stevens is born in Galveston, TX. |
| Thursday, February 5 |
| Future Pirate Jack Maguire is born in St. Louis, MO. |
| Tuesday, April 14 |
| » Lost to Cubs (1-0), 8-2 | Wrigley Field (0-1) | 0-1 | |
| » Starters: Emil Yde vs Pete Alexander | Second | 1 out |
| Wednesday, April 15 |
| » Defeated Cubs (1-1), 8-4 | Wrigley Field (1-1) | 1-1 | |
| » Starters: Lee Meadows vs Wilbur Cooper | Third | 1 out |
| Thursday, April 16 |
| » Lost to Cubs (2-1), 8-3 | Wrigley Field (1-2) | 1-2 | |
| » Starters: Ray Kremer vs Sheriff Blake | Fourth | 2 out |
| Friday, April 17 |
| » Lost to Cubs (3-1), 9-6 | Wrigley Field (1-3) | 1-3 | Lost 2 |
| » Starters: Johnny Morrison vs Tony Kaufmann | Fourth | 2 out |
| » Major-league debuts: Lou Koupal (Pirates) |
| Saturday, April 18 |
| » Lost to Reds (4-1), 12-2 | Crosley Field (0-1) | 1-4 | Lost 3 |
| » Starters: Babe Adams vs Pete Donohue | Seventh | 3 out |
| Sunday, April 19 |
| » Lost to Reds (5-1), 6-2 | Crosley Field (0-2) | 1-5 | Lost 4 |
| » Starters: Emil Yde vs Dolf Luque | Seventh | 4 out |
| » Major-league debuts: Roy Spencer (Pirates) |
| Monday, April 20 |
| » Defeated Reds (5-2), 4-2 | Crosley Field (1-2) | 2-5 | |
| » Starters: Lee Meadows vs Eppa Rixey | Seventh | 3 out |
| Wednesday, April 22 |
| » Defeated Cubs (3-5), 6-1 | Forbes Field (1-0) | 3-5 | Won 2 |
| » Starters: Tony Kaufmann vs Johnny Morrison | Fourth | 3 out |
| Thursday, April 23 |
| » Lost to Cubs (4-5), 10-9 | Forbes Field (1-1) | 3-6 | |
| » Starters: Guy Bush vs Ray Kremer | Sixth | 4 out |
| Friday, April 24 |
| » Lost to Cubs (5-5), 7-2 | Forbes Field (1-2) | 3-7 | Lost 2 |
| » Starters: Pete Alexander vs Emil Yde | Sixth | 4 out |
| Saturday, April 25 |
| » Lost to Cubs (6-5), 4-3 | Forbes Field (1-3) | 3-8 | Lost 3 |
| » Starters: Sheriff Blake vs Lee Meadows | Seventh | 5 out |
| Sunday, April 26 |
| » Defeated Cardinals (5-7), 6-1 | Sportsman's Park III (1-0) | 4-8 | |
| » Starters: Babe Adams vs Jesse Haines | Eighth | 5 out |
| Tuesday, April 28 |
| » Defeated Cardinals (5-8), 7-3 | Sportsman's Park III (2-0) | 5-8 | Won 2 |
| » Starters: Johnny Morrison vs Flint Rhem | Fifth | 4½ out |
| Saturday, May 2 |
| » Defeated Reds (9-6), 18-3 | Forbes Field (2-3) | 6-8 | Won 3 |
| » Starters: Pete Donohue vs Lee Meadows | Fifth | 4 out |
| Sunday, May 3 |
| » Lost to Reds (10-6), 5-4 | Crosley Field (1-3) | 6-9 | |
| » Starters: Johnny Morrison vs Dolf Luque | Sixth | 4½ out |
| Thursday, May 7 |
| » Lost to Cardinals (7-10), 10-9 | Forbes Field (2-4) | 6-10 | Lost 2 |
| » Starters: Allen Sothoron vs Emil Yde | Eighth | 5½ out |
| Friday, May 8 |
| » Lost to Phillies (10-10), 15-7 | Baker Bowl (0-1) | 6-11 | Lost 3 |
| » Starters: Lee Meadows vs Hal Carlson | Eighth | 6½ out |
| Saturday, May 9 |
| » Defeated Phillies (10-11), 6-5 | Baker Bowl (1-1) | 7-11 | |
| » Starters: Johnny Morrison vs Clarence Mitchell | Eighth | 5½ out |
| Tuesday, May 12 |
| » Lost to Phillies (11-11), 8-5 | Baker Bowl (1-2) | 7-12 | |
| » Starters: Vic Aldridge vs Jimmy Ring | Sixth | 6½ out |
| » Defeated Phillies (11-12), 13-8 | Baker Bowl (2-2) | 8-12 | |
| » Starters: Ray Kremer vs Johnny Couch | Sixth | 6½ out |
| Wednesday, May 13 |
| » Defeated Braves (11-12), 5-4 | Braves Field (1-0) | 9-12 | Won 2 |
| » Starters: Emil Yde vs Joe Genewich | Seventh | 6½ out |
| Thursday, May 14 |
| » Defeated Braves (11-13), 7-1 | Braves Field (2-0) | 10-12 | Won 3 |
| » Starters: Johnny Morrison vs Jesse Barnes | Seventh | 6½ out |
| Saturday, May 16 |
| » Defeated Braves (11-14), 7-5 | Braves Field (3-0) | 11-12 | Won 4 |
| » Starters: Babe Adams vs Johnny Cooney | Fourth | 7 out |
| Sunday, May 17 |
| » Defeated Dodgers (14-13), 8-5 | Ebbets Field (1-0) | 12-12 | Won 5 |
| » Starters: Lee Meadows vs Dazzy Vance | Third | 7 out |
| Monday, May 18 |
| » Lost to Dodgers (15-13), 12-7 | Ebbets Field (1-1) | 12-13 | |
| » Starters: Vic Aldridge vs Burleigh Grimes | Fourth | 8 out |
| Tuesday, May 19 |
| » Lost to Dodgers (16-13), 9-5 | Ebbets Field (1-2) | 12-14 | Lost 2 |
| » Starters: Johnny Morrison vs Rube Ehrhardt | Fourth | 8 out |
| Wednesday, May 20 |
| » Defeated Dodgers (16-14), 12-3 | Ebbets Field (2-2) | 13-14 | |
| » Starters: Ray Kremer vs Jesse Petty | Third | 8 out |
| Thursday, May 21 |
| » Lost to Giants (23-7), 5-4 | Polo Grounds V (0-1) | 13-15 | |
| » Starters: Babe Adams vs Jack Scott | Third | 9 out |
| Friday, May 22 |
| » Defeated Giants (23-8), 6-5 | Polo Grounds V (1-1) | 14-15 | |
| » Starters: Lee Meadows vs Hugh McQuillan | Third | 8 out |
| Saturday, May 23 |
| » Lost to Giants (24-8), 10-1 | Polo Grounds V (1-2) | 14-16 | |
| » Starters: Emil Yde vs Kent Greenfield | Fifth | 9 out |
| Monday, May 25 |
| » Defeated Cubs (14-21), 5-3 | Forbes Field (3-4) | 15-16 | |
| » Starters: Guy Bush vs Johnny Morrison | Fifth | 8½ out |
| Tuesday, May 26 |
| » Defeated Cubs (14-22), 7-2 | Forbes Field (4-4) | 16-16 | Won 2 |
| » Starters: Percy Jones vs Ray Kremer | Third | 7 out |
| Wednesday, May 27 |
| » Defeated Cubs (14-23), 13-3 | Forbes Field (5-4) | 17-16 | Won 3 |
| » Starters: Sheriff Blake vs Vic Aldridge | Third | 6 out |
| Thursday, May 28 |
| » Defeated Cardinals (13-22), 7-4 | Forbes Field (6-4) | 18-16 | Won 4 |
| » Starters: Jesse Haines vs Lee Meadows | Third | 6 out |
| Friday, May 29 |
| » Defeated Cardinals (13-23), 6-5 | Forbes Field (7-4) | 19-16 | Won 5 |
| » Starters: Leo Dickerman vs Babe Adams | Third | 5½ out |
| Saturday, May 30 |
| » Defeated Cardinals (13-24), 4-1 | Forbes Field (8-4) | 20-16 | Won 6 |
| » Starters: Allen Sothoron vs Emil Yde | Third | 4½ out |
| » Defeated Cardinals (13-25), 15-5 | Forbes Field (9-4) | 21-16 | Won 7 |
| » Starters: Clyde Day vs Johnny Morrison | Third | 4½ out |
| Sunday, May 31 |
| » Lost to Cubs (17-25), 11-2 | Wrigley Field (1-4) | 21-17 | |
| » Starters: Ray Kremer vs Sheriff Blake | Third | 5½ out |
| Monday, June 1 |
| » Lost to Cubs (18-25), 6-5 | Wrigley Field (1-5) | 21-18 | Lost 2 |
| » Starters: Vic Aldridge vs Pete Alexander | Third | 6½ out |
| Thursday, June 4 |
| » Defeated Phillies (20-21), 16-3 | Forbes Field (10-4) | 22-18 | |
| » Starters: Jack Knight vs Lee Meadows | Third | 6 out |
| Friday, June 5 |
| » Lost to Phillies (21-21), 6-5 | Forbes Field (10-5) | 22-19 | |
| » Starters: Clarence Mitchell vs Johnny Morrison | Third | 7 out |
| Saturday, June 6 |
| » Defeated Phillies (21-22), 9-3 | Forbes Field (11-5) | 23-19 | |
| » Starters: Hal Carlson vs Emil Yde | Third | 6 out |
| Monday, June 8 |
| » Defeated Braves (18-27), 8-4 | Forbes Field (12-5) | 24-19 | Won 2 |
| » Starters: Skinny Graham vs Vic Aldridge | Third | 5½ out |
| Tuesday, June 9 |
| » Lost to Braves (19-27), 7-4 | Forbes Field (12-6) | 24-20 | |
| » Starters: Jesse Barnes vs Lee Meadows | Third | 6½ out |
| Wednesday, June 10 |
| » Lost to Braves (20-27), 6-4 | Forbes Field (12-7) | 24-21 | Lost 2 |
| » Starters: Skinny Graham vs Johnny Morrison | Third | 7½ out |
| Thursday, June 11 |
| » Defeated Braves (20-28), 11-3 | Forbes Field (13-7) | 25-21 | |
| » Starters: Rosy Ryan vs Emil Yde | Third | 6½ out |
| Friday, June 12 |
| » Defeated Giants (33-17), 6-2 | Forbes Field (14-7) | 26-21 | Won 2 |
| » Starters: Virgil Barnes vs Vic Aldridge | Second | 5½ out |
| Saturday, June 13 |
| » Defeated Giants (33-18), 6-4 | Forbes Field (15-7) | 27-21 | Won 3 |
| » Starters: Hugh McQuillan vs Lee Meadows | Second | 4½ out |
| Monday, June 15 |
| » Defeated Giants (33-19), 7-6 | Forbes Field (16-7) | 28-21 | Won 4 |
| » Starters: Jack Scott vs Johnny Morrison | Second | 3½ out |
| » Major-league debuts: Doc Farrell (Giants) |
| Future Pirate Gene Baker is born in Davenport, IA. |
| Tuesday, June 16 |
| » Defeated Giants (33-20), 13-11 | Forbes Field (17-7) | 29-21 | Won 5 |
| » Starters: Walt Huntzinger vs Vic Aldridge | Second | 2½ out |
| Wednesday, June 17 |
| » Defeated Dodgers (29-26), 8-3 | Forbes Field (18-7) | 30-21 | Won 6 |
| » Starters: Burleigh Grimes vs Emil Yde | Second | 1½ out |
| Thursday, June 18 |
| » Lost to Dodgers (30-26), 6-2 | Forbes Field (18-8) | 30-22 | |
| » Starters: Dazzy Vance vs Ray Kremer | Second | 2½ out |
| Friday, June 19 |
| » Defeated Dodgers (30-27), 9-6 | Forbes Field (19-8) | 31-22 | |
| » Starters: Rube Ehrhardt vs Lee Meadows | Second | 2½ out |
| Saturday, June 20 |
| » Defeated Dodgers (30-28), 21-5 | Forbes Field (20-8) | 32-22 | Won 2 |
| » Starters: Jesse Petty vs Babe Adams | Second | 1½ out |
| Future Pirate Clem Koshorek is born in Royal Oak, MI. |
| Monday, June 22 |
| » Defeated Cardinals (28-32), 24-6 | Sportsman's Park III (3-0) | 33-22 | Won 3 |
| » Starters: Vic Aldridge vs Flint Rhem | Second | 1½ out |
| Wednesday, June 24 |
| » Lost to Cardinals (29-32), 11-3 | Sportsman's Park III (3-1) | 33-23 | |
| » Starters: Emil Yde vs Jesse Haines | Second | 2½ out |
| » Defeated Cardinals (29-33), 7-6 | Sportsman's Park III (4-1) | 34-23 | |
| » Starters: Johnny Morrison vs Bill Sherdel | Second | 2½ out |
| Thursday, June 25 |
| » Defeated Cardinals (29-34), 4-3 | Sportsman's Park III (5-1) | 35-23 | Won 2 |
| » Starters: Lee Meadows vs Leo Dickerman | Second | 2 out |
| Friday, June 26 |
| » Defeated Reds (31-30), 5-3 | Forbes Field (21-8) | 36-23 | Won 3 |
| » Starters: Eppa Rixey vs Ray Kremer | Second | 2 out |
| Saturday, June 27 |
| » Defeated Reds (31-31), 3-2 | Forbes Field (22-8) | 37-23 | Won 4 |
| » Starters: Dolf Luque vs Babe Adams | Second | 1½ out |
| » Lost to Reds (32-31), 6-2 | Forbes Field (22-9) | 37-24 | |
| » Starters: Pete Donohue vs Vic Aldridge | Second | 1½ out |
| Sunday, June 28 |
| » Defeated Reds (32-32), 5-2 | Crosley Field (2-3) | 38-24 | |
| » Starters: Emil Yde vs Rube Benton | Second | 1½ out |
| Monday, June 29 |
| » Defeated Reds (32-33), 8-1 | Crosley Field (3-3) | 39-24 | Won 2 |
| » Starters: Johnny Morrison vs Eppa Rixey | First | -- |
| Tuesday, June 30 |
| » Lost to Cubs (30-38), 1-0 | Wrigley Field (1-6) | 39-25 | |
| » Starters: Lee Meadows vs Tony Kaufmann | First | -- |
| Wednesday, July 1 |
| » Defeated Cubs (30-39), 8-6 | Wrigley Field (2-6) | 40-25 | |
| » Starters: Ray Kremer vs Pete Alexander | Second | 1½ out |
| Thursday, July 2 |
| » Defeated Reds (32-34), 2-1 | Forbes Field (23-9) | 41-25 | Won 2 |
| » Starters: Dolf Luque vs Vic Aldridge | First | -- |
| Friday, July 3 |
| » Lost to Reds (33-34), 8-0 | Forbes Field (23-10) | 41-26 | |
| » Starters: Pete Donohue vs Babe Adams | First | -- |
| Saturday, July 4 |
| » Defeated Reds (33-35), 7-5 | Forbes Field (24-10) | 42-26 | |
| » Starters: Harry Biemiller vs Emil Yde | First | -- |
| » Defeated Reds (33-36), 7-1 | Forbes Field (25-10) | 43-26 | Won 2 |
| » Starters: Eppa Rixey vs Lee Meadows | First | -- |
| Sunday, July 5 |
| » Defeated Cubs (33-42), 3-2 | Wrigley Field (3-6) | 44-26 | Won 3 |
| » Starters: Ray Kremer vs Guy Bush | First | -- |
| Tuesday, July 7 |
| » Lost to Giants (45-30), 7-6 | Polo Grounds V (1-3) | 44-27 | |
| » Starters: Vic Aldridge vs Kent Greenfield | First | -- |
| Thursday, July 9 |
| » Defeated Giants (45-31), 12-3 | Polo Grounds V (2-3) | 45-27 | |
| » Starters: Emil Yde vs Jack Scott | First | -- |
| » Lost to Giants (46-31), 7-5 | Polo Grounds V (2-4) | 45-28 | |
| » Starters: Johnny Morrison vs Wayland Dean | First | -- |
| Saturday, July 11 |
| » Defeated Dodgers (39-38), 7-6 | Ebbets Field (3-2) | 46-28 | |
| » Starters: Lee Meadows vs Burleigh Grimes | First | -- |
| Sunday, July 12 |
| » Lost to Dodgers (40-38), 4-3 | Ebbets Field (3-3) | 46-29 | |
| » Starters: Ray Kremer vs Tiny Osborne | First | -- |
| Monday, July 13 |
| » Defeated Dodgers (40-39), 4-2 | Ebbets Field (4-3) | 47-29 | |
| » Starters: Vic Aldridge vs Bill Hubbell | First | -- |
| Tuesday, July 14 |
| » Defeated Dodgers (40-40), 8-5 | Ebbets Field (5-3) | 48-29 | Won 2 |
| » Starters: Emil Yde vs Dazzy Vance | First | -- |
| Wednesday, July 15 |
| » Lost to Braves (33-50), 4-3 | Braves Field (3-1) | 48-30 | |
| » Starters: Johnny Morrison vs Larry Benton | First | -- |
| Thursday, July 16 |
| » Lost to Braves (34-50), 9-8 | Braves Field (3-2) | 48-31 | Lost 2 |
| » Starters: Lee Meadows vs Rosy Ryan | Second | 2 out |
| Friday, July 17 |
| » Defeated Braves (34-51), 7-3 | Braves Field (4-2) | 49-31 | |
| » Starters: Vic Aldridge vs Skinny Graham | First | -- |
| Saturday, July 18 |
| » Defeated Braves (34-52), 9-8 | Braves Field (5-2) | 50-31 | Won 2 |
| » Starters: Emil Yde vs Johnny Cooney | First | -- |
| » Lost to Braves (35-52), 2-1 | Braves Field (5-3) | 50-32 | |
| » Starters: Johnny Morrison vs Bob Smith | First | -- |
| Future Pirate Windy McCall is born in San Francisco, CA. |
| Monday, July 20 |
| » Lost to Phillies (41-45), 6-3 | Baker Bowl (2-3) | 50-33 | Lost 2 |
| » Starters: Lee Meadows vs Jimmy Ring | First | -- |
| Tuesday, July 21 |
| » Lost to Phillies (42-45), 4-2 | Baker Bowl (2-4) | 50-34 | Lost 3 |
| » Starters: Ray Kremer vs Clarence Mitchell | Second | 1½ out |
| Thursday, July 23 |
| » Defeated Cardinals (42-46), 3-2 | Forbes Field (26-10) | 51-34 | |
| » Starters: Jesse Haines vs Emil Yde | First | -- |
| Friday, July 24 |
| » Defeated Cardinals (42-47), 5-3 | Forbes Field (27-10) | 52-34 | Won 2 |
| » Starters: Flint Rhem vs Johnny Morrison | First | -- |
| Saturday, July 25 |
| » Lost to Cardinals (43-47), 7-2 | Forbes Field (27-11) | 52-35 | |
| » Starters: Duster Mails vs Babe Adams | First | -- |
| Sunday, July 26 |
| » Defeated Cubs (40-51), 6-4 | Wrigley Field (4-6) | 53-35 | |
| » Starters: Vic Aldridge vs Tony Kaufmann | First | -- |
| Monday, July 27 |
| » Defeated Braves (38-56), 6-5 | Forbes Field (28-11) | 54-35 | Won 2 |
| » Starters: Bob Smith vs Ray Kremer | First | -- |
| Tuesday, July 28 |
| » Defeated Braves (38-57), 5-1 | Forbes Field (29-11) | 55-35 | Won 3 |
| » Starters: Larry Benton vs Lee Meadows | First | -- |
| Wednesday, July 29 |
| » Defeated Braves (38-58), 8-6 | Forbes Field (30-11) | 56-35 | Won 4 |
| » Starters: Johnny Cooney vs Emil Yde | First | -- |
| Thursday, July 30 |
| » Lost to Braves (39-58), 5-1 | Forbes Field (30-12) | 56-36 | |
| » Starters: Joe Genewich vs Vic Aldridge | First | -- |
| Saturday, August 1 |
| » Lost to Phillies (43-48), 3-2 | Forbes Field (30-13) | 56-37 | Lost 2 |
| » Starters: Art Decatur vs Ray Kremer | Second | 1½ out |
| » Lost to Phillies (44-48), 4-2 | Forbes Field (30-14) | 56-38 | Lost 3 |
| » Starters: Jimmy Ring vs Lee Meadows | Second | 1½ out |
| Monday, August 3 |
| » Defeated Phillies (44-49), 3-2 | Forbes Field (31-14) | 57-38 | |
| » Starters: Hal Carlson vs Emil Yde | First | -- |
| » Defeated Phillies (44-50), 3-2 | Forbes Field (32-14) | 58-38 | Won 2 |
| » Starters: Johnny Couch vs Vic Aldridge | First | -- |
| Tuesday, August 4 |
| » Lost to Phillies (45-50), 8-4 | Forbes Field (32-15) | 58-39 | |
| » Starters: Clarence Mitchell vs Johnny Morrison | First | -- |
| Thursday, August 6 |
| » Defeated Dodgers (48-48), 5-1 | Forbes Field (33-15) | 59-39 | |
| » Starters: Dazzy Vance vs Ray Kremer | First | -- |
| Friday, August 7 |
| » Defeated Dodgers (48-49), 10-9 | Forbes Field (34-15) | 60-39 | Won 2 |
| » Starters: Burleigh Grimes vs Lee Meadows | First | -- |
| Saturday, August 8 |
| » Defeated Dodgers (48-50), 12-8 | Forbes Field (35-15) | 61-39 | Won 3 |
| » Starters: Joe Oeschger vs Emil Yde | First | -- |
| » Defeated Dodgers (48-51), 5-4 | Forbes Field (36-15) | 62-39 | Won 4 |
| » Starters: Tiny Osborne vs Vic Aldridge | First | -- |
| Monday, August 10 |
| » Lost to Giants (60-45), 2-1 | Forbes Field (36-16) | 62-40 | |
| » Starters: Jack Scott vs Lee Meadows | First | -- |
| Tuesday, August 11 |
| » Defeated Giants (60-46), 7-4 | Forbes Field (37-16) | 63-40 | |
| » Starters: Wayland Dean vs Ray Kremer | First | -- |
| Wednesday, August 12 |
| » Defeated Giants (60-47), 5-3 | Forbes Field (38-16) | 64-40 | Won 2 |
| » Starters: Virgil Barnes vs Emil Yde | First | -- |
| » Major-league debuts: Freddie Fitzsimmons (Giants) |
| Thursday, August 13 |
| » Lost to Giants (61-47), 4-1 | Forbes Field (38-17) | 64-41 | |
| » Starters: Kent Greenfield vs Vic Aldridge | First | -- |
| » Major-league debuts: Earl Webb (Giants) |
| Friday, August 14 |
| » Defeated Reds (57-51), 14-6 | Forbes Field (39-17) | 65-41 | |
| » Starters: Dolf Luque vs Lee Meadows | First | -- |
| Saturday, August 15 |
| » Lost to Reds (58-51), 8-1 | Forbes Field (39-18) | 65-42 | |
| » Starters: Pete Donohue vs Ray Kremer | First | -- |
| » Major-league debuts: Mule Haas (Pirates) |
| Sunday, August 16 |
| » Lost to Reds (59-51), 6-1 | Crosley Field (3-4) | 65-43 | Lost 2 |
| » Starters: Johnny Morrison vs Eppa Rixey | First | -- |
| Tuesday, August 18 |
| » Defeated Dodgers (52-57), 11-4 | Ebbets Field (6-3) | 66-43 | |
| » Starters: Emil Yde vs Tiny Osborne | First | -- |
| Wednesday, August 19 |
| » Lost to Dodgers (53-57), 8-7 | Ebbets Field (6-4) | 66-44 | |
| » Starters: Lee Meadows vs Dazzy Vance | First | -- |
| Thursday, August 20 |
| » Defeated Dodgers (53-58), 2-1 | Ebbets Field (7-4) | 67-44 | |
| » Starters: Ray Kremer vs Burleigh Grimes | First | -- |
| Saturday, August 22 |
| » Defeated Giants (67-51), 8-1 | Polo Grounds V (3-4) | 68-44 | Won 2 |
| » Starters: Lee Meadows vs Virgil Barnes | First | -- |
| » Defeated Giants (67-52), 2-1 | Polo Grounds V (4-4) | 69-44 | Won 3 |
| » Starters: Vic Aldridge vs Jack Scott | First | -- |
| Sunday, August 23 |
| » Lost to Giants (68-52), 7-4 | Polo Grounds V (4-5) | 69-45 | |
| » Starters: Babe Adams vs Kent Greenfield | First | -- |
| » Defeated Giants (68-53), 3-2 | Polo Grounds V (5-5) | 70-45 | |
| » Starters: Johnny Morrison vs Freddie Fitzsimmons | First | -- |
| Monday, August 24 |
| » Defeated Giants (68-54), 9-2 | Polo Grounds V (6-5) | 71-45 | Won 2 |
| » Starters: Ray Kremer vs Wayland Dean | First | -- |
| Tuesday, August 25 |
| » Lost to Braves (54-68), 2-1 | Braves Field (5-4) | 71-46 | |
| » Starters: Emil Yde vs Jesse Barnes | First | -- |
| Wednesday, August 26 |
| » Defeated Braves (54-69), 2-0 | Braves Field (6-4) | 72-46 | |
| » Starters: Lee Meadows vs Bob Smith | First | -- |
| Thursday, August 27 |
| » Defeated Braves (54-70), 1-0 | Braves Field (7-4) | 73-46 | Won 2 |
| » Starters: Vic Aldridge vs Larry Benton | First | -- |
| Friday, August 28 |
| » Defeated Phillies (54-66), 10-9 | Baker Bowl (3-4) | 74-46 | Won 3 |
| » Starters: Johnny Morrison vs Jimmy Ring | First | -- |
| Saturday, August 29 |
| » Defeated Phillies (54-67), 11-2 | Baker Bowl (4-4) | 75-46 | Won 4 |
| » Starters: Emil Yde vs Art Decatur | First | -- |
| » Defeated Phillies (54-68), 13-1 | Baker Bowl (5-4) | 76-46 | Won 5 |
| » Starters: Ray Kremer vs Johnny Couch | First | -- |
| Monday, August 31 |
| » Defeated Phillies (54-69), 10-3 | Baker Bowl (6-4) | 77-46 | Won 6 |
| » Starters: Lee Meadows vs Jack Knight | First | -- |
| Tuesday, September 1 |
| » Defeated Phillies (54-70), 10-3 | Baker Bowl (7-4) | 78-46 | Won 7 |
| » Starters: Vic Aldridge vs Hal Carlson | First | -- |
| Wednesday, September 2 |
| » Defeated Reds (67-59), 8-2 | Forbes Field (40-18) | 79-46 | Won 8 |
| » Starters: Pete Donohue vs Johnny Morrison | First | -- |
| Thursday, September 3 |
| » Defeated Cardinals (60-69), 5-2 | Forbes Field (41-18) | 80-46 | Won 9 |
| » Starters: Bill Sherdel vs Ray Kremer | First | -- |
| Friday, September 4 |
| » Lost to Cardinals (61-69), 9-3 | Forbes Field (41-19) | 80-47 | |
| » Starters: Art Reinhart vs Emil Yde | First | -- |
| Saturday, September 5 |
| » Defeated Cardinals (61-70), 6-5 | Forbes Field (42-19) | 81-47 | |
| » Starters: Duster Mails vs Lee Meadows | First | -- |
| » Major-league debuts: Fresco Thompson (Pirates) |
| Sunday, September 6 |
| » Defeated Cubs (58-76), 9-2 | Wrigley Field (5-6) | 82-47 | Won 2 |
| » Starters: Vic Aldridge vs Sheriff Blake | First | -- |
| Monday, September 7 |
| » Defeated Cubs (58-77), 8-5 | Forbes Field (43-19) | 83-47 | Won 3 |
| » Starters: Wilbur Cooper vs Red Oldham | First | -- |
| » Lost to Cubs (59-77), 9-8 | Forbes Field (43-20) | 83-48 | |
| » Starters: Guy Bush vs Ray Kremer | First | -- |
| Tuesday, September 8 |
| » Lost to Cubs (60-77), 3-2 | Forbes Field (43-21) | 83-49 | Lost 2 |
| » Starters: Pete Alexander vs Emil Yde | First | -- |
| Wednesday, September 9 |
| » Lost to Cubs (61-77), 9-7 | Forbes Field (43-22) | 83-50 | Lost 3 |
| » Starters: Tony Kaufmann vs Ray Kremer | First | -- |
| Thursday, September 10 |
| » Defeated Cardinals (63-73), 9-5 | Sportsman's Park III (6-1) | 84-50 | |
| » Starters: Vic Aldridge vs Allen Sothoron | First | -- |
| Friday, September 11 |
| » Lost to Cardinals (64-73), 5-3 | Sportsman's Park III (6-2) | 84-51 | |
| » Starters: Red Oldham vs Jesse Haines | First | -- |
| Saturday, September 12 |
| » Lost to Cardinals (65-73), 4-0 | Sportsman's Park III (6-3) | 84-52 | Lost 2 |
| » Starters: Lee Meadows vs Bill Sherdel | First | -- |
| Sunday, September 13 |
| » Lost to Cardinals (66-73), 8-4 | Sportsman's Park III (6-4) | 84-53 | Lost 3 |
| » Starters: Emil Yde vs Duster Mails | First | -- |
| » Lost to Cardinals (67-73), 6-2 | Sportsman's Park III (6-5) | 84-54 | Lost 4 |
| » Starters: Johnny Morrison vs Art Reinhart | First | -- |
| Monday, September 14 |
| » Defeated Dodgers (66-70), 9-4 | Forbes Field (44-22) | 85-54 | |
| » Starters: Guy Cantrell vs Vic Aldridge | First | -- |
| Wednesday, September 16 |
| » Defeated Dodgers (66-71), 5-3 | Forbes Field (45-22) | 86-54 | Won 2 |
| » Starters: Jumbo Elliott vs Lee Meadows | First | -- |
| » Defeated Dodgers (66-72), 6-2 | Forbes Field (46-22) | 87-54 | Won 3 |
| » Starters: Tiny Osborne vs Red Oldham | First | -- |
| Thursday, September 17 |
| » Defeated Braves (65-79), 11-2 | Forbes Field (47-22) | 88-54 | Won 4 |
| » Starters: Bob Smith vs Ray Kremer | First | -- |
| Friday, September 18 |
| » Defeated Braves (65-80), 9-7 | Forbes Field (48-22) | 89-54 | Won 5 |
| » Starters: Skinny Graham vs Johnny Morrison | First | -- |
| Future Pirate Harvey Haddix is born in Medway, OH. |
| Saturday, September 19 |
| » Defeated Braves (65-81), 2-1 | Forbes Field (49-22) | 90-54 | Won 6 |
| » Starters: Jesse Barnes vs Vic Aldridge | First | -- |
| Monday, September 21 |
| » Defeated Phillies (62-82), 9-7 | Forbes Field (50-22) | 91-54 | Won 7 |
| » Starters: Roy Crumpler vs Lee Meadows | First | -- |
| Tuesday, September 22 |
| » Defeated Phillies (62-83), 14-4 | Forbes Field (51-22) | 92-54 | Won 8 |
| » Starters: Jimmy Ring vs Ray Kremer | First | -- |
| Wednesday, September 23 |
| » Defeated Phillies (62-84), 2-1 | Forbes Field (52-22) | 93-54 | Won 9 |
| » Starters: Claude Willoughby vs Emil Yde | First | -- |
| Thursday, September 24 |
| » Lost to Giants (83-63), 4-0 | Forbes Field (52-23) | 93-55 | |
| » Starters: Jack Scott vs Red Oldham | First | -- |
| Saturday, September 26 |
| » Lost to Giants (84-63), 4-3 | Forbes Field (52-24) | 93-56 | Lost 2 |
| » Starters: Virgil Barnes vs Vic Aldridge | First | -- |
| » Lost to Giants (85-63), 3-0 | Forbes Field (52-25) | 93-57 | Lost 3 |
| » Starters: Freddie Fitzsimmons vs Johnny Morrison | First | -- |
| Future Pirate Bobby Shantz is born in Pottstown, PA. |
| Sunday, September 27 |
| » Defeated Reds (79-72), 4-3 | Crosley Field (4-4) | 94-57 | |
| » Starters: Ray Kremer vs Dolf Luque | First | -- |
| Sunday, October 4 |
| » Defeated Reds (79-73), 4-2 | Crosley Field (5-4) | 95-57 | Won 2 |
| » Starters: Ray Kremer vs Marv Goodwin | First | -- |
| » Lost to Reds (80-73), 4-1 | Crosley Field (5-5) | 95-58 | |
| » Starters: Bud Culloton vs Pete Donohue | First | -- |
| Tuesday, November 3 |
| Former Pirate Sam Frock dies in Baltimore, MD at the age of 43. |
| Wednesday, November 4 |
| Future Pirate Spook Jacobs is born in Cheswold, DE. |
| Friday, November 6 |
| Future Pirate Bob Addis is born in Mineral, OH. |
| Wednesday, November 18 |
| Future Pirate Gene Mauch is born in Salina, KS. Future Pirate Roy Wise is born in Springfield, IL. |
| Tuesday, December 1 |
| Future Pirate Cal McLish is born in Anadarko, OK. |
| Thursday, December 3 |
| Future Pirate Harry Simpson is born in Atlanta, GA. |
Game information provided by Retrosheet (www.retrosheet.org) |
