| Saturday, February 6 |
| Future Pirate Dale Long is born in Springfield, MO. |
| Friday, February 12 |
| Future Pirate Joe Garagiola is born in St. Louis, MO. |
| Saturday, February 27 |
| Former Pirate Otis Clymer dies in St.Paul, MN at the age of 51. |
| Thursday, April 1 |
| Future Pirate Jake Thies is born in St. Louis, MO. |
| Monday, April 12 |
| Future Pirate Walt Moryn is born in St. Paul, MN. |
| Tuesday, April 13 |
| » Lost to Cardinals (1-0), 7-6 | Sportsman's Park III (0-1) | 0-1 | |
| » Starters: Vic Aldridge vs Flint Rhem | Second | 1 out |
| » Major-league debuts: Paul Waner (Pirates) |
| Wednesday, April 14 |
| » Defeated Cardinals (1-1), 10-3 | Sportsman's Park III (1-1) | 1-1 | |
| » Starters: Ray Kremer vs Jesse Haines | Second | 1 out |
| Thursday, April 15 |
| » Lost to Cardinals (2-1), 2-0 | Sportsman's Park III (1-2) | 1-2 | |
| » Starters: Johnny Morrison vs Vic Keen | Fourth | 2 out |
| Friday, April 16 |
| » Lost to Cardinals (3-1), 3-2 | Sportsman's Park III (1-3) | 1-3 | Lost 2 |
| » Starters: Tom Sheehan vs Syl Johnson | Fourth | 2 out |
| Saturday, April 17 |
| » Lost to Reds (3-1), 4-3 | Crosley Field (0-1) | 1-4 | Lost 3 |
| » Starters: Emil Yde vs Pete Donohue | Fourth | 3 out |
| Sunday, April 18 |
| » Defeated Reds (3-2), 3-1 | Crosley Field (1-1) | 2-4 | |
| » Starters: Vic Aldridge vs Dolf Luque | Sixth | 3 out |
| » Major-league debuts: Hal Rhyne (Pirates) |
| Monday, April 19 |
| » Lost to Reds (4-2), 2-1 | Crosley Field (1-2) | 2-5 | |
| » Starters: Ray Kremer vs Carl Mays | Seventh | 3½ out |
| Tuesday, April 20 |
| » Lost to Reds (5-2), 5-2 | Crosley Field (1-3) | 2-6 | Lost 2 |
| » Starters: Johnny Morrison vs Red Lucas | Seventh | 4 out |
| Thursday, April 22 |
| » Lost to Cardinals (6-3), 5-3 | Forbes Field (0-1) | 2-7 | Lost 3 |
| » Starters: Vic Keen vs Lee Meadows | Eighth | 5 out |
| Friday, April 23 |
| » Defeated Cardinals (6-4), 3-2 | Forbes Field (1-1) | 3-7 | |
| » Starters: Syl Johnson vs Vic Aldridge | Sixth | 5 out |
| Saturday, April 24 |
| » Lost to Cardinals (7-4), 9-3 | Forbes Field (1-2) | 3-8 | |
| » Starters: Flint Rhem vs Ray Kremer | Sixth | 5 out |
| Sunday, April 25 |
| » Lost to Cubs (6-4), 4-3 | Wrigley Field (0-1) | 3-9 | Lost 2 |
| » Starters: Emil Yde vs Percy Jones | Seventh | 5 out |
| Monday, April 26 |
| » Defeated Cubs (6-5), 8-6 | Wrigley Field (1-1) | 4-9 | |
| » Starters: Lee Meadows vs Wilbur Cooper | Sixth | 4 out |
| Tuesday, April 27 |
| » Defeated Cubs (6-6), 2-0 | Wrigley Field (2-1) | 5-9 | Won 2 |
| » Starters: Johnny Morrison vs Pete Alexander | Sixth | 4 out |
| Wednesday, April 28 |
| » Defeated Cubs (6-7), 9-4 | Wrigley Field (3-1) | 6-9 | Won 3 |
| » Starters: Vic Aldridge vs Tony Kaufmann | Sixth | 4 out |
| Thursday, April 29 |
| » Lost to Reds (8-5), 16-9 | Forbes Field (1-3) | 6-10 | |
| » Starters: Dolf Luque vs Tom Sheehan | Sixth | 4 out |
| » Major-league debuts: Joe Cronin (Pirates) |
| Friday, April 30 |
| » Defeated Reds (8-6), 13-4 | Forbes Field (2-3) | 7-10 | |
| » Starters: Carl Mays vs Lee Meadows | Seventh | 3½ out |
| Saturday, May 1 |
| » Defeated Reds (8-7), 3-2 | Forbes Field (3-3) | 8-10 | Won 2 |
| » Starters: Red Lucas vs Johnny Morrison | Fifth | 2½ out |
| Sunday, May 2 |
| » Lost to Reds (9-7), 4-3 | Crosley Field (1-4) | 8-11 | |
| » Starters: Vic Aldridge vs Pete Donohue | Seventh | 3½ out |
| Wednesday, May 5 |
| » Defeated Braves (6-14), 3-2 | Forbes Field (4-3) | 9-11 | |
| » Starters: Bob Smith vs Lee Meadows | Sixth | 4 out |
| Thursday, May 6 |
| » Lost to Braves (7-14), 3-1 | Forbes Field (4-4) | 9-12 | |
| » Starters: Johnny Werts vs Johnny Morrison | Seventh | 4 out |
| Future Pirate Dick Cole is born in Long Beach, CA. |
| Friday, May 7 |
| » Defeated Braves (7-15), 11-10 | Forbes Field (5-4) | 10-12 | |
| » Starters: George Mogridge vs Vic Aldridge | Fifth | 4 out |
| Saturday, May 8 |
| » Lost to Braves (8-15), 9-5 | Forbes Field (5-5) | 10-13 | |
| » Starters: Skinny Graham vs Emil Yde | Fifth | 5 out |
| Tuesday, May 11 |
| » Defeated Phillies (10-14), 11-1 | Forbes Field (6-5) | 11-13 | |
| » Starters: Clarence Mitchell vs Ray Kremer | Fourth | 5 out |
| Wednesday, May 12 |
| » Defeated Phillies (10-15), 14-3 | Forbes Field (7-5) | 12-13 | Won 2 |
| » Starters: Jack Knight vs Lee Meadows | Fourth | 5 out |
| Thursday, May 13 |
| » Lost to Phillies (11-15), 6-0 | Forbes Field (7-6) | 12-14 | |
| » Starters: Hal Carlson vs Vic Aldridge | Fifth | 5½ out |
| Friday, May 14 |
| » Tied Dodgers, 5-5 | Forbes Field (7-6) | 12-14 | |
| » Starters: Jesse Barnes vs Emil Yde | Fifth | 5½ out |
| Saturday, May 15 |
| » Defeated Dodgers (17-9), 2-0 | Forbes Field (8-6) | 13-14 | |
| » Starters: Bob McGraw vs Johnny Morrison | Fourth | 5½ out |
| Monday, May 17 |
| » Defeated Dodgers (17-10), 7-6 | Forbes Field (9-6) | 14-14 | Won 2 |
| » Starters: Burleigh Grimes vs Ray Kremer | Third | 5 out |
| Tuesday, May 18 |
| » Tied Dodgers, 4-4 | Forbes Field (9-6) | 14-14 | |
| » Starters: Doug McWeeny vs Lee Meadows | Third | 5 out |
| Wednesday, May 19 |
| » Defeated Giants (14-17), 6-3 | Forbes Field (10-6) | 15-14 | Won 3 |
| » Starters: Jack Scott vs Vic Aldridge | Third | 5 out |
| Thursday, May 20 |
| » Lost to Giants (15-17), 5-4 | Forbes Field (10-7) | 15-15 | |
| » Starters: Kent Greenfield vs Johnny Morrison | Fourth | 6 out |
| Friday, May 21 |
| » Defeated Giants (15-18), 7-5 | Forbes Field (11-7) | 16-15 | |
| » Starters: Jimmy Ring vs Ray Kremer | Fourth | 6 out |
| Saturday, May 22 |
| » Defeated Giants (15-19), 6-5 | Forbes Field (12-7) | 17-15 | Won 2 |
| » Starters: Freddie Fitzsimmons vs Red Oldham | Fourth | 6 out |
| Sunday, May 23 |
| » Defeated Reds (24-11), 7-2 | Crosley Field (2-4) | 18-15 | Won 3 |
| » Starters: Emil Yde vs Pete Donohue | Fourth | 5 out |
| » Major-league debuts: Clyde Sukeforth (Reds) |
| Monday, May 24 |
| » Lost to Cubs (21-12), 3-1 | Wrigley Field (3-2) | 18-16 | |
| » Starters: Vic Aldridge vs Sheriff Blake | Fourth | 5 out |
| Tuesday, May 25 |
| » Defeated Cubs (21-13), 5-2 | Wrigley Field (4-2) | 19-16 | |
| » Starters: Johnny Morrison vs Charlie Root | Third | 4 out |
| Thursday, May 27 |
| » Lost to Cubs (22-13), 5-2 | Forbes Field (12-8) | 19-17 | |
| » Starters: Tony Kaufmann vs Red Oldham | Third | 5 out |
| Friday, May 28 |
| » Defeated Cubs (22-14), 6-5 | Forbes Field (13-8) | 20-17 | |
| » Starters: Bob Osborn vs Emil Yde | Third | 5 out |
| Saturday, May 29 |
| » Defeated Cubs (22-15), 9-7 | Forbes Field (14-8) | 21-17 | Won 2 |
| » Starters: Sheriff Blake vs Johnny Morrison | Third | 5 out |
| Sunday, May 30 |
| » Defeated Reds (28-15), 4-3 | Crosley Field (3-4) | 22-17 | Won 3 |
| » Starters: Lee Meadows vs Dolf Luque | Third | 4 out |
| Monday, May 31 |
| » Lost to Reds (29-15), 7-2 | Forbes Field (14-9) | 22-18 | |
| » Starters: Carl Mays vs Don Songer | Third | 4 out |
| » Defeated Reds (29-16), 9-5 | Forbes Field (15-9) | 23-18 | |
| » Starters: Red Lucas vs Johnny Morrison | Third | 4 out |
| Thursday, June 3 |
| » Defeated Cubs (24-19), 3-2 | Forbes Field (16-9) | 24-18 | Won 2 |
| » Starters: Charlie Root vs Emil Yde | Second | 3 out |
| Friday, June 4 |
| » Defeated Cubs (24-20), 5-1 | Forbes Field (17-9) | 25-18 | Won 3 |
| » Starters: Guy Bush vs Lee Meadows | Second | 2 out |
| Sunday, June 6 |
| » Lost to Dodgers (23-22), 3-0 | Ebbets Field (0-1) | 25-19 | |
| » Starters: Vic Aldridge vs Burleigh Grimes | Second | 2 out |
| Tuesday, June 8 |
| » Defeated Dodgers (23-23), 4-3 | Ebbets Field (1-1) | 26-19 | |
| » Starters: Don Songer vs Doug McWeeny | Second | 2 out |
| Wednesday, June 9 |
| » Defeated Phillies (17-30), 9-7 | Baker Bowl (1-0) | 27-19 | Won 2 |
| » Starters: Emil Yde vs Hal Carlson | First | -- |
| Thursday, June 10 |
| » Lost to Phillies (18-30), 13-9 | Baker Bowl (1-1) | 27-20 | |
| » Starters: Lee Meadows vs Claude Willoughby | Second | 2 out |
| Friday, June 11 |
| » Lost to Phillies (19-30), 13-11 | Baker Bowl (1-2) | 27-21 | Lost 2 |
| » Starters: Vic Aldridge vs Dutch Ulrich | Second | 2 out |
| Saturday, June 12 |
| » Defeated Phillies (19-31), 8-2 | Baker Bowl (2-2) | 28-21 | |
| » Starters: Don Songer vs Hal Carlson | Second | 1½ out |
| Monday, June 14 |
| » Lost to Braves (22-28), 3-2 | Braves Field (0-1) | 28-22 | |
| » Starters: Emil Yde vs Larry Benton | Second | 2 out |
| Wednesday, June 16 |
| » Defeated Braves (22-29), 6-3 | Braves Field (1-1) | 29-22 | |
| » Starters: Vic Aldridge vs Joe Genewich | First | -- |
| Thursday, June 17 |
| » Lost to Giants (29-28), 6-5 | Polo Grounds V (0-1) | 29-23 | |
| » Starters: Lee Meadows vs Freddie Fitzsimmons | Second | 1½ out |
| Friday, June 18 |
| » Defeated Giants (29-29), 8-3 | Polo Grounds V (1-1) | 30-23 | |
| » Starters: Don Songer vs Jack Scott | Second | 1½ out |
| Saturday, June 19 |
| » Defeated Giants (29-30), 4-2 | Polo Grounds V (2-1) | 31-23 | Won 2 |
| » Starters: Ray Kremer vs Jimmy Ring | Second | 2 out |
| Sunday, June 20 |
| » Defeated Giants (29-31), 8-0 | Polo Grounds V (3-1) | 32-23 | Won 3 |
| » Starters: Vic Aldridge vs Kent Greenfield | Second | 2½ out |
| » Major-league debuts: Jim Boyle (Giants) |
| Monday, June 21 |
| » Defeated Cardinals (35-27), 13-11 | Forbes Field (18-9) | 33-23 | Won 4 |
| » Starters: Flint Rhem vs Lee Meadows | Second | 2½ out |
| Tuesday, June 22 |
| » Defeated Cardinals (35-28), 3-1 | Sportsman's Park III (2-3) | 34-23 | Won 5 |
| » Starters: Lee Meadows vs Vic Keen | Second | 2½ out |
| Wednesday, June 23 |
| » Lost to Cardinals (36-28), 6-2 | Sportsman's Park III (2-4) | 34-24 | |
| » Starters: Don Songer vs Jesse Haines | Second | 2½ out |
| Thursday, June 24 |
| » Tied Cardinals, 3-3 | Sportsman's Park III (2-4) | 34-24 | |
| » Starters: Ray Kremer vs Flint Rhem | Second | 2½ out |
| Friday, June 25 |
| » Lost to Reds (38-26), 9-8 | Forbes Field (18-10) | 34-25 | Lost 2 |
| » Starters: Pete Donohue vs Vic Aldridge | Second | 2½ out |
| Saturday, June 26 |
| » Lost to Reds (39-26), 9-1 | Forbes Field (18-11) | 34-26 | Lost 3 |
| » Starters: Carl Mays vs Lee Meadows | Third | 2½ out |
| Sunday, June 27 |
| » Lost to Reds (40-26), 16-0 | Crosley Field (3-5) | 34-27 | Lost 4 |
| » Starters: Don Songer vs Pete Donohue | Third | 3½ out |
| Monday, June 28 |
| » Lost to Reds (41-26), 6-1 | Crosley Field (3-6) | 34-28 | Lost 5 |
| » Starters: Vic Aldridge vs Eppa Rixey | Third | 4½ out |
| Tuesday, June 29 |
| » Lost to Reds (42-26), 6-3 | Crosley Field (3-7) | 34-29 | Lost 6 |
| » Starters: Ray Kremer vs Carl Mays | Third | 5½ out |
| Wednesday, June 30 |
| » Lost to Cardinals (39-30), 6-2 | Forbes Field (18-12) | 34-30 | Lost 7 |
| » Starters: Jesse Haines vs Lee Meadows | Third | 6 out |
| Thursday, July 1 |
| » Defeated Cardinals (39-31), 7-3 | Forbes Field (19-12) | 35-30 | |
| » Starters: Flint Rhem vs Don Songer | Third | 5 out |
| Friday, July 2 |
| » Defeated Cardinals (39-32), 3-2 | Forbes Field (20-12) | 36-30 | Won 2 |
| » Starters: Pete Alexander vs Ray Kremer | Third | 5 out |
| Saturday, July 3 |
| » Defeated Cardinals (39-33), 12-3 | Forbes Field (21-12) | 37-30 | Won 3 |
| » Starters: Hi Bell vs Vic Aldridge | Second | 3½ out |
| Sunday, July 4 |
| » Lost to Cubs (38-35), 2-0 | Wrigley Field (4-3) | 37-31 | |
| » Starters: Emil Yde vs Charlie Root | Second | 4½ out |
| Monday, July 5 |
| » Defeated Cubs (38-36), 4-1 | Forbes Field (22-12) | 38-31 | |
| » Starters: Tony Kaufmann vs Don Songer | Second | 4½ out |
| » Lost to Cubs (39-36), 10-7 | Forbes Field (22-13) | 38-32 | |
| » Starters: Bill Piercy vs Lee Meadows | Second | 4½ out |
| Tuesday, July 6 |
| » Lost to Cubs (40-36), 3-0 | Forbes Field (22-14) | 38-33 | Lost 2 |
| » Starters: Sheriff Blake vs Joe Bush | Second | 5 out |
| » Defeated Cubs (40-37), 3-2 | Forbes Field (23-14) | 39-33 | |
| » Starters: Bob Osborn vs Lee Meadows | Second | 5 out |
| Wednesday, July 7 |
| » Defeated Phillies (30-45), 8-7 | Forbes Field (24-14) | 40-33 | Won 2 |
| » Starters: Wayland Dean vs Vic Aldridge | Second | 4 out |
| Thursday, July 8 |
| » Lost to Phillies (31-45), 10-6 | Forbes Field (24-15) | 40-34 | |
| » Starters: Dutch Ulrich vs Emil Yde | Second | 4½ out |
| Friday, July 9 |
| » Defeated Phillies (31-46), 9-6 | Forbes Field (25-15) | 41-34 | |
| » Starters: Clarence Mitchell vs Don Songer | Second | 3 out |
| Saturday, July 10 |
| » Defeated Phillies (31-47), 9-4 | Forbes Field (26-15) | 42-34 | Won 2 |
| » Starters: Hal Carlson vs Ray Kremer | Second | 3 out |
| Monday, July 12 |
| » Defeated Giants (41-40), 6-3 | Forbes Field (27-15) | 43-34 | Won 3 |
| » Starters: Jack Scott vs Vic Aldridge | Second | 3½ out |
| Wednesday, July 14 |
| » Lost to Giants (42-40), 12-8 | Forbes Field (27-16) | 43-35 | |
| » Starters: Jimmy Ring vs Don Songer | Second | 3½ out |
| » Lost to Giants (43-40), 5-2 | Forbes Field (27-17) | 43-36 | Lost 2 |
| » Starters: Freddie Fitzsimmons vs Lee Meadows | Second | 3½ out |
| Thursday, July 15 |
| » Defeated Giants (43-41), 3-0 | Forbes Field (28-17) | 44-36 | |
| » Starters: Kent Greenfield vs Ray Kremer | Second | 3½ out |
| Friday, July 16 |
| » Defeated Braves (32-53), 9-7 | Forbes Field (29-17) | 45-36 | Won 2 |
| » Starters: Bob Smith vs Joe Bush | Second | 3 out |
| Saturday, July 17 |
| » Lost to Braves (33-53), 9-7 | Forbes Field (29-18) | 45-37 | |
| » Starters: Hal Goldsmith vs Vic Aldridge | Second | 3 out |
| Monday, July 19 |
| » Defeated Braves (33-54), 10-4 | Forbes Field (30-18) | 46-37 | |
| » Starters: Joe Genewich vs Lee Meadows | Second | 3½ out |
| Tuesday, July 20 |
| » Defeated Braves (33-55), 8-5 | Forbes Field (31-18) | 47-37 | Won 2 |
| » Starters: Larry Benton vs Ray Kremer | Second | 3½ out |
| Wednesday, July 21 |
| » Defeated Dodgers (46-43), 1-0 | Forbes Field (32-18) | 48-37 | Won 3 |
| » Starters: Jesse Petty vs Don Songer | Second | 3 out |
| » Lost to Dodgers (47-43), 6-2 | Forbes Field (32-19) | 48-38 | |
| » Starters: Dazzy Vance vs Vic Aldridge | Second | 3 out |
| Thursday, July 22 |
| » Defeated Dodgers (47-44), 14-2 | Forbes Field (33-19) | 49-38 | |
| » Starters: Jesse Barnes vs Emil Yde | Second | 3 out |
| Saturday, July 24 |
| » Defeated Dodgers (47-45), 12-8 | Forbes Field (34-19) | 50-38 | Won 2 |
| » Starters: Burleigh Grimes vs Lee Meadows | First | -- |
| » Defeated Dodgers (47-46), 3-2 | Forbes Field (35-19) | 51-38 | Won 3 |
| » Starters: Doug McWeeny vs Ray Kremer | First | -- |
| Sunday, July 25 |
| » Lost to Dodgers (48-46), 3-1 | Ebbets Field (1-2) | 51-39 | |
| » Starters: Joe Bush vs Jesse Petty | First | -- |
| Monday, July 26 |
| » Defeated Dodgers (48-47), 3-2 | Ebbets Field (2-2) | 52-39 | |
| » Starters: Emil Yde vs Dazzy Vance | First | -- |
| Tuesday, July 27 |
| » Defeated Giants (46-47), 4-3 | Polo Grounds V (4-1) | 53-39 | Won 2 |
| » Starters: Don Songer vs Virgil Barnes | First | -- |
| Wednesday, July 28 |
| » Defeated Giants (46-48), 6-0 | Polo Grounds V (5-1) | 54-39 | Won 3 |
| » Starters: Lee Meadows vs Jack Scott | First | -- |
| Friday, July 30 |
| » Lost to Phillies (38-56), 6-1 | Baker Bowl (2-3) | 54-40 | |
| » Starters: Ray Kremer vs Hal Carlson | First | -- |
| » Major-league debuts: Chet Nichols (Pirates) |
| Saturday, July 31 |
| » Defeated Phillies (38-57), 10-5 | Baker Bowl (3-3) | 55-40 | |
| » Starters: Emil Yde vs Clarence Mitchell | First | -- |
| Monday, August 2 |
| » Lost to Phillies (39-57), 8-3 | Baker Bowl (3-4) | 55-41 | |
| » Starters: Don Songer vs Wayland Dean | First | -- |
| Tuesday, August 3 |
| » Defeated Phillies (39-58), 14-2 | Baker Bowl (4-4) | 56-41 | |
| » Starters: Joe Bush vs Dutch Ulrich | First | -- |
| Wednesday, August 4 |
| » Lost to Braves (41-59), 14-0 | Braves Field (1-2) | 56-42 | |
| » Starters: Vic Aldridge vs Bob Smith | First | -- |
| » Defeated Braves (41-60), 5-2 | Braves Field (2-2) | 57-42 | |
| » Starters: Lee Meadows vs Larry Benton | First | -- |
| Thursday, August 5 |
| » Defeated Braves (41-61), 4-3 | Braves Field (3-2) | 58-42 | Won 2 |
| » Starters: Ray Kremer vs Hal Goldsmith | First | -- |
| Friday, August 6 |
| » Defeated Braves (41-62), 5-4 | Braves Field (4-2) | 59-42 | Won 3 |
| » Starters: Emil Yde vs Joe Genewich | First | -- |
| Future Pirate Clem Labine is born in Lincoln, RI. |
| Saturday, August 7 |
| » Lost to Braves (42-62), 2-0 | Braves Field (4-3) | 59-43 | |
| » Starters: Don Songer vs Johnny Werts | First | -- |
| » Lost to Braves (43-62), 2-0 | Braves Field (4-4) | 59-44 | Lost 2 |
| » Starters: Joe Bush vs Bob Smith | First | -- |
| Monday, August 9 |
| » Defeated Dodgers (52-57), 9-3 | Ebbets Field (3-2) | 60-44 | |
| » Starters: Ray Kremer vs Jesse Petty | First | -- |
| Tuesday, August 10 |
| » Defeated Dodgers (52-58), 10-2 | Ebbets Field (4-2) | 61-44 | Won 2 |
| » Starters: Lee Meadows vs Doug McWeeny | First | -- |
| Wednesday, August 11 |
| » Lost to Dodgers (53-58), 4-2 | Ebbets Field (4-3) | 61-45 | |
| » Starters: Emil Yde vs Dazzy Vance | First | -- |
| Wednesday, August 18 |
| » Defeated Braves (46-67), 4-1 | Forbes Field (36-19) | 62-45 | |
| » Starters: Bob Smith vs Ray Kremer | First | -- |
| » Lost to Braves (47-67), 4-3 | Forbes Field (36-20) | 62-46 | |
| » Starters: Hal Goldsmith vs Lee Meadows | First | -- |
| Thursday, August 19 |
| » Lost to Phillies (43-68), 3-1 | Forbes Field (36-21) | 62-47 | Lost 2 |
| » Starters: Hal Carlson vs Vic Aldridge | First | -- |
| » Defeated Phillies (43-69), 4-0 | Forbes Field (37-21) | 63-47 | |
| » Starters: Dutch Ulrich vs Emil Yde | First | -- |
| » Major-league debuts: Fred Brickell (Pirates) |
| Saturday, August 21 |
| » Defeated Phillies (43-70), 4-2 | Forbes Field (38-21) | 64-47 | Won 2 |
| » Starters: Wayland Dean vs Joe Bush | First | -- |
| » Defeated Phillies (43-71), 8-5 | Forbes Field (39-21) | 65-47 | Won 3 |
| » Starters: Jack Knight vs Don Songer | First | -- |
| Monday, August 23 |
| » Lost to Dodgers (58-64), 7-3 | Forbes Field (39-22) | 65-48 | |
| » Starters: Jesse Petty vs Lee Meadows | Second | 2½ out |
| » Defeated Dodgers (58-65), 10-2 | Forbes Field (40-22) | 66-48 | |
| » Starters: Jesse Barnes vs Emil Yde | Second | 2½ out |
| Tuesday, August 24 |
| » Defeated Dodgers (58-66), 10-1 | Forbes Field (41-22) | 67-48 | Won 2 |
| » Starters: Burleigh Grimes vs Ray Kremer | First | -- |
| Wednesday, August 25 |
| » Lost to Dodgers (59-66), 2-1 | Forbes Field (41-23) | 67-49 | |
| » Starters: Bob McGraw vs Vic Aldridge | Second | 3 out |
| Future Pirate Jim Suchecki is born in Chicago, IL. |
| Thursday, August 26 |
| » Defeated Giants (59-61), 15-7 | Forbes Field (42-23) | 68-49 | |
| » Starters: Freddie Fitzsimmons vs Lee Meadows | First | -- |
| Friday, August 27 |
| » Defeated Giants (59-62), 4-0 | Forbes Field (43-23) | 69-49 | Won 2 |
| » Starters: Virgil Barnes vs Joe Bush | First | -- |
| Saturday, August 28 |
| » Defeated Giants (59-63), 8-7 | Forbes Field (44-23) | 70-49 | Won 3 |
| » Starters: Kent Greenfield vs Emil Yde | First | -- |
| Sunday, August 29 |
| » Tied Cardinals, 2-2 | Sportsman's Park III (2-4) | 70-49 | |
| » Starters: Vic Aldridge vs Pete Alexander | First | -- |
| Monday, August 30 |
| » Defeated Cardinals (72-54), 3-0 | Sportsman's Park III (3-4) | 71-49 | Won 4 |
| » Starters: Ray Kremer vs Flint Rhem | First | -- |
| » Lost to Cardinals (73-54), 5-3 | Sportsman's Park III (3-5) | 71-50 | |
| » Starters: Joe Bush vs Jesse Haines | First | -- |
| Tuesday, August 31 |
| » Lost to Cardinals (74-54), 6-1 | Sportsman's Park III (3-6) | 71-51 | Lost 2 |
| » Starters: Lee Meadows vs Bill Sherdel | Third | 3 out |
| » Lost to Cardinals (75-54), 2-1 | Sportsman's Park III (3-7) | 71-52 | Lost 3 |
| » Starters: Johnny Morrison vs Allen Sothoron | Third | 3 out |
| » Major-league debuts: Roy Mahaffey (Pirates) |
| Wednesday, September 1 |
| » Lost to Cardinals (76-54), 5-2 | Sportsman's Park III (3-8) | 71-53 | Lost 4 |
| » Starters: Ray Kremer vs Art Reinhart | Third | 3 out |
| Friday, September 3 |
| » Defeated Cubs (69-61), 3-2 | Wrigley Field (5-3) | 72-53 | |
| » Starters: Carmen Hill vs Tony Kaufmann | Third | 4 out |
| Saturday, September 4 |
| » Lost to Cubs (70-61), 11-2 | Wrigley Field (5-4) | 72-54 | |
| » Starters: Joe Bush vs Guy Bush | Third | 2½ out |
| » Lost to Cubs (71-61), 3-2 | Wrigley Field (5-5) | 72-55 | Lost 2 |
| » Starters: Lou Koupal vs Percy Jones | Third | 2½ out |
| Sunday, September 5 |
| » Lost to Cubs (72-61), 7-6 | Wrigley Field (5-6) | 72-56 | Lost 3 |
| » Starters: Emil Yde vs Bob Osborn | Third | 3½ out |
| Monday, September 6 |
| » Lost to Cardinals (80-56), 8-1 | Forbes Field (44-24) | 72-57 | Lost 4 |
| » Starters: Flint Rhem vs Johnny Morrison | Third | 3½ out |
| » Defeated Cardinals (80-57), 4-2 | Forbes Field (45-24) | 73-57 | |
| » Starters: Allen Sothoron vs Ray Kremer | Third | 3½ out |
| Tuesday, September 7 |
| » Lost to Cardinals (81-57), 8-0 | Forbes Field (45-25) | 73-58 | |
| » Starters: Bill Sherdel vs Vic Aldridge | Third | 4½ out |
| Wednesday, September 8 |
| » Defeated Reds (77-58), 6-1 | Forbes Field (46-25) | 74-58 | |
| » Starters: Pete Donohue vs Lee Meadows | Third | 3½ out |
| » Defeated Reds (77-59), 11-0 | Forbes Field (47-25) | 75-58 | Won 2 |
| » Starters: Dolf Luque vs Carmen Hill | Third | 3½ out |
| Thursday, September 9 |
| » Defeated Cubs (74-63), 2-1 | Forbes Field (48-25) | 76-58 | Won 3 |
| » Starters: Percy Jones vs Joe Bush | Third | 3½ out |
| » Lost to Cubs (75-63), 10-1 | Forbes Field (48-26) | 76-59 | |
| » Starters: Tony Kaufmann vs Lou Koupal | Third | 3½ out |
| Friday, September 10 |
| » Defeated Reds (77-60), 5-2 | Forbes Field (49-26) | 77-59 | |
| » Starters: Eppa Rixey vs Ray Kremer | Third | 3 out |
| » Lost to Reds (78-60), 5-2 | Forbes Field (49-27) | 77-60 | |
| » Starters: Red Lucas vs Johnny Morrison | Third | 3 out |
| Saturday, September 11 |
| » Lost to Reds (79-60), 10-6 | Forbes Field (49-28) | 77-61 | Lost 2 |
| » Starters: Carl Mays vs Carmen Hill | Third | 3½ out |
| Sunday, September 12 |
| » Defeated Giants (65-70), 5-1 | Polo Grounds V (6-1) | 78-61 | |
| » Starters: Vic Aldridge vs Freddie Fitzsimmons | Third | 2½ out |
| » Defeated Giants (65-71), 7-1 | Polo Grounds V (7-1) | 79-61 | Won 2 |
| » Starters: Lee Meadows vs Kent Greenfield | Third | 2½ out |
| Future Pirate George Freese is born in Wheeling, WV. |
| Monday, September 13 |
| » Lost to Giants (66-71), 9-5 | Polo Grounds V (7-2) | 79-62 | |
| » Starters: Carmen Hill vs Jimmy Ring | Second | 2½ out |
| » Major-league debuts: Adam Comorosky (Pirates) |
| Tuesday, September 14 |
| » Defeated Giants (66-72), 5-0 | Polo Grounds V (8-2) | 80-62 | |
| » Starters: Ray Kremer vs Hugh McQuillan | Third | 2½ out |
| Wednesday, September 15 |
| » Lost to Giants (67-72), 6-5 | Polo Grounds V (8-3) | 80-63 | |
| » Starters: Joe Bush vs Jack Scott | Third | 3½ out |
| Thursday, September 16 |
| » Lost to Dodgers (66-79), 2-1 | Ebbets Field (4-4) | 80-64 | Lost 2 |
| » Starters: Lee Meadows vs Jesse Barnes | Second | 4½ out |
| Friday, September 17 |
| » Lost to Dodgers (67-79), 3-1 | Ebbets Field (4-5) | 80-65 | Lost 3 |
| » Starters: Carmen Hill vs Dazzy Vance | Third | 5½ out |
| Saturday, September 18 |
| » Lost to Dodgers (68-79), 3-1 | Ebbets Field (4-6) | 80-66 | Lost 4 |
| » Starters: Emil Yde vs Doug McWeeny | Third | 6 out |
| Sunday, September 19 |
| » Defeated Dodgers (68-80), 7-4 | Ebbets Field (5-6) | 81-66 | |
| » Starters: Ray Kremer vs Burleigh Grimes | Third | 5 out |
| Monday, September 20 |
| » Defeated Phillies (54-87), 4-0 | Baker Bowl (5-4) | 82-66 | Won 2 |
| » Starters: Joe Bush vs Claude Willoughby | Third | 4½ out |
| Tuesday, September 21 |
| » Lost to Phillies (55-87), 7-2 | Baker Bowl (5-5) | 82-67 | |
| » Starters: Lee Meadows vs Clarence Mitchell | Third | 4½ out |
| Wednesday, September 22 |
| » Defeated Phillies (55-88), 9-3 | Baker Bowl (6-5) | 83-67 | |
| » Starters: Carmen Hill vs Wayland Dean | Third | 4½ out |
| Thursday, September 23 |
| » Lost to Braves (63-84), 2-1 | Braves Field (4-5) | 83-68 | |
| » Starters: Ray Kremer vs Foster Edwards | Third | 5 out |
| Saturday, September 25 |
| » Defeated Braves (63-85), 11-8 | Braves Field (5-5) | 84-68 | |
| » Starters: Lee Meadows vs George Mogridge | Third | 5 out |
| » Lost to Braves (64-85), 5-2 | Braves Field (5-6) | 84-69 | |
| » Starters: Emil Yde vs Joe Genewich | Third | 5 out |
| Sunday, October 10 |
| Former Pirate Brownie Foreman dies in Baltimore, MD at the age of 52. |
Game information provided by Retrosheet (www.retrosheet.org) |
