| Saturday, January 8 |
| Future Pirate Marv Rickert is born in Longbranch, WA. |
| Sunday, February 13 |
| Future Pirate Pete Castiglione is born in Greenwich, CT. |
| Sunday, April 3 |
| Future Pirate Dick Conger is born in Los Angeles, CA. |
| Wednesday, April 13 |
| » Lost to Reds (1-0), 5-3 | Crosley Field (0-1) | 0-1 | |
| » Starters: Babe Adams vs Dolf Luque | Second | 1 out |
| » Major-league debuts: Lew Fonseca (Reds) |
| Thursday, April 14 |
| » Defeated Reds (1-1), 7-2 | Crosley Field (1-1) | 1-1 | |
| » Starters: Wilbur Cooper vs Rube Marquard | Third | 1 out |
| Friday, April 15 |
| » Defeated Reds (1-2), 3-1 | Crosley Field (2-1) | 2-1 | Won 2 |
| » Starters: Earl Hamilton vs Eppa Rixey | Second | ½ out |
| » Major-league debuts: John Mokan and Chief Yellowhorse (Pirates) |
| Saturday, April 16 |
| » Defeated Reds (1-3), 7-3 | Crosley Field (3-1) | 3-1 | Won 3 |
| » Starters: Elmer Ponder vs Lynn Brenton | Second | 1 out |
| Monday, April 18 |
| » Lost to Cubs (3-0), 7-4 | Wrigley Field (0-1) | 3-2 | |
| » Starters: Jimmy Zinn vs Lefty Tyler | Fourth | 1 out |
| Tuesday, April 19 |
| » Defeated Cubs (3-1), 14-2 | Wrigley Field (1-1) | 4-2 | |
| » Starters: Earl Hamilton vs Speed Martin | Second | 1 out |
| Wednesday, April 20 |
| » Defeated Cubs (3-2), 6-5 | Wrigley Field (2-1) | 5-2 | Won 2 |
| » Starters: Hal Carlson vs Buck Freeman | Second | 1 out |
| Thursday, April 21 |
| » Defeated Reds (3-5), 8-7 | Forbes Field (1-0) | 6-2 | Won 3 |
| » Starters: Buddy Napier vs Babe Adams | First | -- |
| Friday, April 22 |
| » Defeated Reds (3-6), 6-1 | Forbes Field (2-0) | 7-2 | Won 4 |
| » Starters: Dolf Luque vs Jimmy Zinn | First | -- |
| Saturday, April 23 |
| » Lost to Reds (4-6), 5-4 | Forbes Field (2-1) | 7-3 | |
| » Starters: Rube Marquard vs Earl Hamilton | Second | 1½ out |
| Sunday, April 24 |
| » Defeated Reds (4-7), 7-2 | Crosley Field (4-1) | 8-3 | |
| » Starters: Babe Adams vs Eppa Rixey | Second | 1½ out |
| Monday, April 25 |
| » Defeated Cardinals (1-7), 6-5 | Sportsman's Park III (1-0) | 9-3 | Won 2 |
| » Starters: Hal Carlson vs Bill Pertica | First | -- |
| Wednesday, April 27 |
| » Defeated Cardinals (1-8), 7-4 | Sportsman's Park III (2-0) | 10-3 | Won 3 |
| » Starters: Earl Hamilton vs Jakie May | First | -- |
| Friday, April 29 |
| » Defeated Cubs (6-5), 3-0 | Forbes Field (3-1) | 11-3 | Won 4 |
| » Starters: Lefty York vs Wilbur Cooper | First | -- |
| Sunday, May 1 |
| » Defeated Cubs (6-6), 2-0 | Wrigley Field (3-1) | 12-3 | Won 5 |
| » Starters: Babe Adams vs Hippo Vaughn | First | -- |
| Monday, May 2 |
| » Defeated Cubs (6-7), 4-3 | Wrigley Field (4-1) | 13-3 | Won 6 |
| » Starters: Whitey Glazner vs Speed Martin | First | -- |
| Thursday, May 5 |
| » Defeated Cardinals (3-10), 8-3 | Forbes Field (4-1) | 14-3 | Won 7 |
| » Starters: Bill Pertica vs Wilbur Cooper | First | -- |
| Friday, May 6 |
| » Defeated Cardinals (3-11), 10-6 | Forbes Field (5-1) | 15-3 | Won 8 |
| » Starters: Jesse Haines vs Earl Hamilton | First | -- |
| Future Pirate Bob Chesnes is born in Oakland, CA. |
| Saturday, May 7 |
| » Defeated Cardinals (3-12), 2-1 | Forbes Field (6-1) | 16-3 | Won 9 |
| » Starters: Bill Sherdel vs Whitey Glazner | First | -- |
| Sunday, May 8 |
| » Lost to Reds (9-13), 1-0 | Crosley Field (4-2) | 16-4 | |
| » Starters: Babe Adams vs Eppa Rixey | First | -- |
| Tuesday, May 10 |
| » Defeated Braves (8-13), 5-2 | Braves Field (1-0) | 17-4 | |
| » Starters: Wilbur Cooper vs Joe Oeschger | First | -- |
| Wednesday, May 11 |
| » Lost to Braves (9-13), 1-0 | Braves Field (1-1) | 17-5 | |
| » Starters: Earl Hamilton vs Dana Fillingim | First | -- |
| Thursday, May 12 |
| » Defeated Braves (9-14), 3-1 | Braves Field (2-1) | 18-5 | |
| » Starters: Whitey Glazner vs Mule Watson | First | -- |
| Saturday, May 14 |
| » Defeated Phillies (6-17), 6-4 | Baker Bowl (1-0) | 19-5 | Won 2 |
| » Starters: Wilbur Cooper vs George Smith | First | -- |
| Monday, May 16 |
| » Lost to Phillies (7-17), 3-0 | Baker Bowl (1-1) | 19-6 | |
| » Starters: Earl Hamilton vs Red Causey | First | -- |
| Tuesday, May 17 |
| » Defeated Phillies (7-18), 6-4 | Baker Bowl (2-1) | 20-6 | |
| » Starters: Whitey Glazner vs Bill Hubbell | First | -- |
| Wednesday, May 18 |
| » Defeated Dodgers (18-13), 11-2 | Ebbets Field (1-0) | 21-6 | Won 2 |
| » Starters: Wilbur Cooper vs Dutch Ruether | First | -- |
| Thursday, May 19 |
| » Defeated Dodgers (18-14), 7-5 | Ebbets Field (2-0) | 22-6 | Won 3 |
| » Starters: Babe Adams vs Sherry Smith | First | -- |
| Friday, May 20 |
| » Defeated Dodgers (18-15), 3-2 | Ebbets Field (3-0) | 23-6 | Won 4 |
| » Starters: Earl Hamilton vs Leon Cadore | First | -- |
| Saturday, May 21 |
| » Defeated Dodgers (18-16), 13-6 | Ebbets Field (4-0) | 24-6 | Won 5 |
| » Starters: Whitey Glazner vs Burleigh Grimes | First | -- |
| Sunday, May 22 |
| » Defeated Giants (21-11), 8-6 | Polo Grounds V (1-0) | 25-6 | Won 6 |
| » Starters: Wilbur Cooper vs Jesse Barnes | First | -- |
| Tuesday, May 24 |
| » Lost to Giants (22-11), 5-3 | Polo Grounds V (1-1) | 25-7 | |
| » Starters: Babe Adams vs Art Nehf | First | -- |
| Thursday, May 26 |
| » Lost to Reds (12-24), 4-1 | Forbes Field (6-2) | 25-8 | Lost 2 |
| » Starters: Rube Marquard vs Earl Hamilton | First | -- |
| Friday, May 27 |
| » Defeated Reds (12-25), 5-4 | Forbes Field (7-2) | 26-8 | |
| » Starters: Eppa Rixey vs Wilbur Cooper | First | -- |
| Saturday, May 28 |
| » Game at Forbes Field interrupted in the 8th inning with the score of Reds 3, Pirates 2. Completed on June 30. |
| Sunday, May 29 |
| » Lost to Reds (13-25), 4-3 | Crosley Field (4-3) | 26-9 | |
| » Starters: Earl Hamilton vs Fritz Coumbe | First | -- |
| Monday, May 30 |
| » Defeated Cubs (15-19), 13-0 | Forbes Field (8-2) | 27-9 | |
| » Starters: Lefty York vs Jimmy Zinn | First | -- |
| » Defeated Cubs (15-20), 6-3 | Forbes Field (9-2) | 28-9 | Won 2 |
| » Starters: Lefty Tyler vs Babe Adams | First | -- |
| Tuesday, May 31 |
| » Lost to Cubs (16-20), 7-6 | Forbes Field (9-3) | 28-10 | |
| » Starters: Hippo Vaughn vs Wilbur Cooper | First | -- |
| Wednesday, June 1 |
| » Defeated Cubs (16-21), 4-2 | Forbes Field (10-3) | 29-10 | |
| » Starters: Speed Martin vs Whitey Glazner | First | -- |
| Thursday, June 2 |
| » Lost to Giants (30-14), 7-0 | Forbes Field (10-4) | 29-11 | |
| » Starters: Art Nehf vs Jimmy Zinn | First | -- |
| Friday, June 3 |
| » Lost to Giants (31-14), 4-1 | Forbes Field (10-5) | 29-12 | Lost 2 |
| » Starters: Fred Toney vs Earl Hamilton | First | -- |
| Saturday, June 4 |
| » Lost to Giants (32-14), 12-0 | Forbes Field (10-6) | 29-13 | Lost 3 |
| » Starters: Phil Douglas vs Wilbur Cooper | Second | 2 out |
| » Major-league debuts: Mike Wilson (Pirates) |
| Monday, June 6 |
| » Defeated Giants (32-15), 5-4 | Forbes Field (11-6) | 30-13 | |
| » Starters: Jesse Barnes vs Whitey Glazner | First | -- |
| Tuesday, June 7 |
| » Lost to Braves (23-21), 10-7 | Forbes Field (11-7) | 30-14 | |
| » Starters: Mule Watson vs Jimmy Zinn | First | -- |
| Wednesday, June 8 |
| » Defeated Braves (23-22), 16-4 | Forbes Field (12-7) | 31-14 | |
| » Starters: Hugh McQuillan vs Earl Hamilton | First | -- |
| » Major-league debuts: Cy Morgan (Braves) |
| Thursday, June 9 |
| » Defeated Braves (23-23), 5-3 | Forbes Field (13-7) | 32-14 | Won 2 |
| » Starters: Dana Fillingim vs Wilbur Cooper | First | -- |
| Friday, June 10 |
| » Lost to Braves (24-23), 4-1 | Forbes Field (13-8) | 32-15 | |
| » Starters: Jack Scott vs Whitey Glazner | First | -- |
| Saturday, June 11 |
| » Defeated Phillies (16-31), 10-3 | Forbes Field (14-8) | 33-15 | |
| » Starters: Bill Hubbell vs Babe Adams | First | -- |
| Monday, June 13 |
| » Defeated Phillies (16-32), 12-5 | Forbes Field (15-8) | 34-15 | Won 2 |
| » Starters: Stan Baumgartner vs Earl Hamilton | First | -- |
| Tuesday, June 14 |
| » Defeated Phillies (16-33), 8-3 | Forbes Field (16-8) | 35-15 | Won 3 |
| » Starters: Jimmy Ring vs Jimmy Zinn | First | -- |
| Wednesday, June 15 |
| » Lost to Dodgers (27-30), 7-3 | Forbes Field (16-9) | 35-16 | |
| » Starters: Burleigh Grimes vs Wilbur Cooper | First | -- |
| Thursday, June 16 |
| » Defeated Dodgers (27-31), 6-5 | Forbes Field (17-9) | 36-16 | |
| » Starters: Sherry Smith vs Whitey Glazner | First | -- |
| Friday, June 17 |
| » Lost to Dodgers (28-31), 8-3 | Forbes Field (17-10) | 36-17 | |
| » Starters: Leon Cadore vs Earl Hamilton | First | -- |
| Saturday, June 18 |
| » Defeated Dodgers (28-32), 4-3 | Forbes Field (18-10) | 37-17 | |
| » Starters: Dutch Ruether vs Wilbur Cooper | First | -- |
| Monday, June 20 |
| » Defeated Phillies (18-37), 3-2 | Forbes Field (19-10) | 38-17 | Won 2 |
| » Starters: Lee Meadows vs Chief Yellowhorse | First | -- |
| Wednesday, June 22 |
| » Defeated Reds (24-35), 5-2 | Crosley Field (5-3) | 39-17 | Won 3 |
| » Starters: Wilbur Cooper vs Eppa Rixey | First | -- |
| Thursday, June 23 |
| » Lost to Cardinals (30-29), 3-2 | Sportsman's Park III (2-1) | 39-18 | |
| » Starters: Earl Hamilton vs Roy Walker | First | -- |
| » Lost to Cardinals (31-29), 4-3 | Sportsman's Park III (2-2) | 39-19 | Lost 2 |
| » Starters: Jimmy Zinn vs Bill Doak | First | -- |
| Friday, June 24 |
| » Defeated Cardinals (31-30), 4-3 | Sportsman's Park III (3-2) | 40-19 | |
| » Starters: Whitey Glazner vs Bill Bailey | First | -- |
| Saturday, June 25 |
| » Lost to Cardinals (32-30), 7-4 | Sportsman's Park III (3-3) | 40-20 | |
| » Starters: Chief Yellowhorse vs Jeff Pfeffer | First | -- |
| » Defeated Cardinals (32-31), 5-2 | Sportsman's Park III (4-3) | 41-20 | |
| » Starters: Wilbur Cooper vs Bill Pertica | First | -- |
| Sunday, June 26 |
| » Defeated Cubs (27-32), 11-3 | Wrigley Field (5-1) | 42-20 | Won 2 |
| » Starters: Babe Adams vs Pete Alexander | First | -- |
| Future Pirate Howie Pollet is born in New Orleans, LA. |
| Monday, June 27 |
| » Defeated Cubs (27-33), 10-3 | Wrigley Field (6-1) | 43-20 | Won 3 |
| » Starters: Johnny Morrison vs Hippo Vaughn | First | -- |
| Future Pirate Hank Behrman is born in Brooklyn, NY. |
| Tuesday, June 28 |
| » Lost to Cubs (28-33), 2-1 | Wrigley Field (6-2) | 43-21 | |
| » Starters: Earl Hamilton vs Speed Martin | First | -- |
| » Lost to Cubs (29-33), 8-6 | Wrigley Field (6-3) | 43-22 | Lost 2 |
| » Starters: Whitey Glazner vs Buck Freeman | First | -- |
| Wednesday, June 29 |
| » Defeated Cubs (29-34), 3-1 | Wrigley Field (7-3) | 44-22 | |
| » Starters: Wilbur Cooper vs Virgil Cheeves | First | -- |
| Thursday, June 30 |
| » Defeated Reds (25-40), 4-3 | Forbes Field (20-10) | 45-22 | Won 2 |
| » Starters: Dolf Luque vs Whitey Glazner | First | -- |
| » Defeated Reds (25-41), 5-3 | Forbes Field (21-10) | 46-22 | Won 3 |
| » Starters: Dolf Luque vs Chief Yellowhorse | First | -- |
| Friday, July 1 |
| » Defeated Reds (25-42), 5-2 | Forbes Field (22-10) | 47-22 | Won 4 |
| » Starters: Eppa Rixey vs Johnny Morrison | First | -- |
| » Major-league debuts: Pete Donohue (Reds) |
| Saturday, July 2 |
| » Defeated Reds (25-43), 9-0 | Forbes Field (23-10) | 48-22 | Won 5 |
| » Starters: Lynn Brenton vs Babe Adams | First | -- |
| Sunday, July 3 |
| » Lost to Reds (26-43), 8-2 | Crosley Field (5-4) | 48-23 | |
| » Starters: Earl Hamilton vs Rube Marquard | First | -- |
| Monday, July 4 |
| » Defeated Cardinals (36-34), 5-2 | Forbes Field (24-10) | 49-23 | |
| » Starters: Bill Bailey vs Whitey Glazner | First | -- |
| » Lost to Cardinals (37-34), 6-3 | Forbes Field (24-11) | 49-24 | |
| » Starters: Bill Pertica vs Wilbur Cooper | First | -- |
| Tuesday, July 5 |
| » Lost to Cardinals (38-34), 8-2 | Forbes Field (24-12) | 49-25 | Lost 2 |
| » Starters: Roy Walker vs Chief Yellowhorse | First | -- |
| Wednesday, July 6 |
| » Defeated Cardinals (38-35), 3-2 | Forbes Field (25-12) | 50-25 | |
| » Starters: Bill Doak vs Johnny Morrison | First | -- |
| Friday, July 8 |
| » Defeated Dodgers (39-37), 5-3 | Ebbets Field (5-0) | 51-25 | Won 2 |
| » Starters: Wilbur Cooper vs Ferdie Schupp | First | -- |
| Saturday, July 9 |
| » Defeated Dodgers (39-38), 4-2 | Ebbets Field (6-0) | 52-25 | Won 3 |
| » Starters: Whitey Glazner vs Leon Cadore | First | -- |
| Sunday, July 10 |
| » Lost to Dodgers (40-38), 7-3 | Ebbets Field (6-1) | 52-26 | |
| » Starters: Johnny Morrison vs Burleigh Grimes | First | -- |
| Monday, July 11 |
| » Lost to Dodgers (41-38), 9-8 | Ebbets Field (6-2) | 52-27 | Lost 2 |
| » Starters: Babe Adams vs Sherry Smith | First | -- |
| Future Pirate Hal Gregg is born in Anaheim, CA. |
| Tuesday, July 12 |
| » Defeated Phillies (22-53), 9-4 | Baker Bowl (3-1) | 53-27 | |
| » Starters: Wilbur Cooper vs Stan Baumgartner | First | -- |
| Thursday, July 14 |
| » Defeated Phillies (22-54), 5-4 | Baker Bowl (4-1) | 54-27 | Won 2 |
| » Starters: Hal Carlson vs Jimmy Ring | First | -- |
| Saturday, July 16 |
| » Lost to Giants (51-29), 13-4 | Polo Grounds V (1-2) | 54-28 | |
| » Starters: Wilbur Cooper vs Phil Douglas | First | -- |
| Sunday, July 17 |
| » Defeated Giants (51-30), 4-2 | Polo Grounds V (2-2) | 55-28 | |
| » Starters: Earl Hamilton vs Jesse Barnes | First | -- |
| Monday, July 18 |
| » Lost to Giants (52-30), 12-1 | Polo Grounds V (2-3) | 55-29 | |
| » Starters: Johnny Morrison vs Art Nehf | First | -- |
| » Major-league debuts: Joe Berry (Giants) |
| Tuesday, July 19 |
| » Defeated Giants (52-31), 10-1 | Polo Grounds V (3-3) | 56-29 | |
| » Starters: Babe Adams vs Rosy Ryan | First | -- |
| Wednesday, July 20 |
| » Defeated Braves (48-34), 2-0 | Braves Field (3-1) | 57-29 | Won 2 |
| » Starters: Wilbur Cooper vs Joe Oeschger | First | -- |
| Friday, July 22 |
| » Lost to Braves (49-34), 2-1 | Braves Field (3-2) | 57-30 | |
| » Starters: Earl Hamilton vs Hugh McQuillan | First | -- |
| » Defeated Braves (49-35), 4-3 | Braves Field (4-2) | 58-30 | |
| » Starters: Whitey Glazner vs Dana Fillingim | First | -- |
| Saturday, July 23 |
| » Defeated Braves (49-36), 3-2 | Braves Field (5-2) | 59-30 | Won 2 |
| » Starters: Wilbur Cooper vs Mule Watson | First | -- |
| » Lost to Braves (50-36), 3-1 | Braves Field (5-3) | 59-31 | |
| » Starters: Hal Carlson vs Jack Scott | First | -- |
| Monday, July 25 |
| » Defeated Giants (55-34), 6-3 | Forbes Field (26-12) | 60-31 | |
| » Starters: Phil Douglas vs Babe Adams | First | -- |
| Tuesday, July 26 |
| » Lost to Giants (56-34), 9-8 | Forbes Field (26-13) | 60-32 | |
| » Starters: Fred Toney vs Earl Hamilton | First | -- |
| Future Pirate Tom Saffell is born in Etowah, TN. |
| Wednesday, July 27 |
| » Lost to Giants (57-34), 4-1 | Forbes Field (26-14) | 60-33 | Lost 2 |
| » Starters: Art Nehf vs Wilbur Cooper | First | -- |
| Thursday, July 28 |
| » Lost to Giants (58-34), 6-4 | Forbes Field (26-15) | 60-34 | Lost 3 |
| » Starters: Jesse Barnes vs Whitey Glazner | First | -- |
| Saturday, July 30 |
| » Lost to Braves (53-38), 1-0 | Forbes Field (26-16) | 60-35 | Lost 4 |
| » Starters: Joe Oeschger vs Wilbur Cooper | First | -- |
| Monday, August 1 |
| » Defeated Braves (53-39), 7-3 | Forbes Field (27-16) | 61-35 | |
| » Starters: Hugh McQuillan vs Babe Adams | First | -- |
| Wednesday, August 3 |
| » Defeated Phillies (30-66), 9-5 | Forbes Field (28-16) | 62-35 | Won 2 |
| » Starters: Bill Hubbell vs Wilbur Cooper | First | -- |
| Thursday, August 4 |
| » Defeated Phillies (30-67), 5-0 | Forbes Field (29-16) | 63-35 | Won 3 |
| » Starters: Lee Meadows vs Earl Hamilton | First | -- |
| Friday, August 5 |
| » Defeated Phillies (30-68), 8-5 | Forbes Field (30-16) | 64-35 | Won 4 |
| » Starters: Jimmy Ring vs Hal Carlson | First | -- |
| Saturday, August 6 |
| » Lost to Dodgers (54-50), 3-2 | Forbes Field (30-17) | 64-36 | |
| » Starters: Johnny Miljus vs Whitey Glazner | First | -- |
| Monday, August 8 |
| » Lost to Dodgers (55-50), 4-2 | Forbes Field (30-18) | 64-37 | Lost 2 |
| » Starters: Burleigh Grimes vs Wilbur Cooper | First | -- |
| Tuesday, August 9 |
| » Defeated Dodgers (55-51), 4-2 | Forbes Field (31-18) | 65-37 | |
| » Starters: Clarence Mitchell vs Babe Adams | First | -- |
| Wednesday, August 10 |
| » Lost to Dodgers (56-51), 1-0 | Forbes Field (31-19) | 65-38 | |
| » Starters: Leon Cadore vs Johnny Morrison | First | -- |
| Thursday, August 11 |
| » Defeated Cubs (44-61), 7-3 | Forbes Field (32-19) | 66-38 | |
| » Starters: Pete Alexander vs Earl Hamilton | First | -- |
| » Defeated Cubs (44-62), 5-4 | Forbes Field (33-19) | 67-38 | Won 2 |
| » Starters: Speed Martin vs Jimmy Zinn | First | -- |
| Friday, August 12 |
| » Defeated Cubs (44-63), 12-9 | Forbes Field (34-19) | 68-38 | Won 3 |
| » Starters: Virgil Cheeves vs Wilbur Cooper | First | -- |
| Saturday, August 13 |
| » Defeated Cubs (44-64), 4-3 | Forbes Field (35-19) | 69-38 | Won 4 |
| » Starters: Buck Freeman vs Whitey Glazner | First | -- |
| Sunday, August 14 |
| » Defeated Cubs (44-65), 1-0 | Wrigley Field (8-3) | 70-38 | Won 5 |
| » Starters: Johnny Morrison vs Speed Martin | First | -- |
| Tuesday, August 16 |
| » Lost to Phillies (35-75), 6-5 | Baker Bowl (4-2) | 70-39 | |
| » Starters: Wilbur Cooper vs George Smith | First | -- |
| » Defeated Phillies (35-76), 8-6 | Baker Bowl (5-2) | 71-39 | |
| » Starters: Babe Adams vs Duke Sedgwick | First | -- |
| Thursday, August 18 |
| » Defeated Phillies (35-77), 4-3 | Baker Bowl (6-2) | 72-39 | Won 2 |
| » Starters: Earl Hamilton vs Jimmy Ring | First | -- |
| » Defeated Phillies (35-78), 3-2 | Baker Bowl (7-2) | 73-39 | Won 3 |
| » Starters: Whitey Glazner vs Jesse Winters | First | -- |
| Friday, August 19 |
| » Defeated Phillies (35-79), 14-3 | Baker Bowl (8-2) | 74-39 | Won 4 |
| » Starters: Johnny Morrison vs Lee Meadows | First | -- |
| » Lost to Phillies (36-79), 4-1 | Baker Bowl (8-3) | 74-40 | |
| » Starters: Jimmy Zinn vs Bill Hubbell | First | -- |
| Saturday, August 20 |
| » Defeated Braves (64-48), 6-4 | Braves Field (6-3) | 75-40 | |
| » Starters: Wilbur Cooper vs Joe Oeschger | First | -- |
| Monday, August 22 |
| » Defeated Braves (64-49), 10-8 | Braves Field (7-3) | 76-40 | Won 2 |
| » Starters: Earl Hamilton vs Hugh McQuillan | First | -- |
| Tuesday, August 23 |
| » Lost to Braves (65-49), 4-3 | Braves Field (7-4) | 76-41 | |
| » Starters: Whitey Glazner vs Mule Watson | First | -- |
| Wednesday, August 24 |
| » Lost to Giants (71-50), 10-2 | Polo Grounds V (3-4) | 76-42 | Lost 2 |
| » Starters: Babe Adams vs Art Nehf | First | -- |
| » Lost to Giants (72-50), 7-0 | Polo Grounds V (3-5) | 76-43 | Lost 3 |
| » Starters: Wilbur Cooper vs Phil Douglas | First | -- |
| Thursday, August 25 |
| » Lost to Giants (73-50), 5-2 | Polo Grounds V (3-6) | 76-44 | Lost 4 |
| » Starters: Johnny Morrison vs Fred Toney | First | -- |
| Friday, August 26 |
| » Lost to Giants (74-50), 2-1 | Polo Grounds V (3-7) | 76-45 | Lost 5 |
| » Starters: Earl Hamilton vs Phil Douglas | First | -- |
| Saturday, August 27 |
| » Lost to Giants (75-50), 3-1 | Polo Grounds V (3-8) | 76-46 | Lost 6 |
| » Starters: Hal Carlson vs Art Nehf | First | -- |
| Sunday, August 28 |
| » Defeated Dodgers (64-61), 2-0 | Ebbets Field (7-2) | 77-46 | |
| » Starters: Johnny Morrison vs Burleigh Grimes | First | -- |
| Monday, August 29 |
| » Lost to Dodgers (65-61), 1-0 | Ebbets Field (7-3) | 77-47 | |
| » Starters: Wilbur Cooper vs Dutch Ruether | First | -- |
| Tuesday, August 30 |
| » Defeated Dodgers (65-62), 8-2 | Ebbets Field (8-3) | 78-47 | |
| » Starters: Whitey Glazner vs Leon Cadore | First | -- |
| Thursday, September 1 |
| » Lost to Cardinals (68-58), 10-4 | Forbes Field (35-20) | 78-48 | |
| » Starters: Bill Pertica vs Earl Hamilton | First | -- |
| » Lost to Cardinals (69-58), 8-0 | Forbes Field (35-21) | 78-49 | Lost 2 |
| » Starters: Bill Sherdel vs Johnny Morrison | First | -- |
| Friday, September 2 |
| » Lost to Cardinals (70-58), 1-0 | Forbes Field (35-22) | 78-50 | Lost 3 |
| » Starters: Bill Doak vs Hal Carlson | First | -- |
| Sunday, September 4 |
| » Defeated Reds (58-72), 2-1 | Crosley Field (6-4) | 79-50 | |
| » Starters: Whitey Glazner vs Dolf Luque | First | -- |
| Monday, September 5 |
| » Lost to Reds (59-72), 2-1 | Forbes Field (35-23) | 79-51 | |
| » Starters: Eppa Rixey vs Johnny Morrison | First | -- |
| » Defeated Reds (59-73), 2-1 | Forbes Field (36-23) | 80-51 | |
| » Starters: Cliff Markle vs Wilbur Cooper | First | -- |
| Tuesday, September 6 |
| Future Pirate Jack Phillips is born in Clarence, NY. |
| Friday, September 9 |
| » Lost to Cubs (53-82), 8-5 | Forbes Field (36-24) | 80-52 | |
| » Starters: Buck Freeman vs Wilbur Cooper | Second | 2½ out |
| » Major-league debuts: Johnny Gooch (Pirates) |
| Saturday, September 10 |
| » Defeated Cubs (53-83), 8-0 | Forbes Field (37-24) | 81-52 | |
| » Starters: Pete Alexander vs Johnny Morrison | Second | 2½ out |
| Sunday, September 11 |
| » Lost to Reds (63-74), 4-1 | Crosley Field (6-5) | 81-53 | |
| » Starters: Earl Hamilton vs Rube Marquard | Second | 2½ out |
| Monday, September 12 |
| » Defeated Braves (74-62), 5-4 | Forbes Field (38-24) | 82-53 | |
| » Starters: Joe Oeschger vs Wilbur Cooper | Second | 1½ out |
| » Lost to Braves (75-62), 4-3 | Forbes Field (38-25) | 82-54 | |
| » Starters: Mule Watson vs Whitey Glazner | Second | 1½ out |
| Tuesday, September 13 |
| » Defeated Braves (75-63), 5-3 | Forbes Field (39-25) | 83-54 | |
| » Starters: Hugh McQuillan vs Hal Carlson | Second | 1½ out |
| Wednesday, September 14 |
| » Defeated Braves (75-64), 5-2 | Forbes Field (40-25) | 84-54 | Won 2 |
| » Starters: Dana Fillingim vs Johnny Morrison | Second | 1½ out |
| Thursday, September 15 |
| » Lost to Braves (76-64), 6-3 | Forbes Field (40-26) | 84-55 | |
| » Starters: Jack Scott vs Wilbur Cooper | Second | 2½ out |
| Friday, September 16 |
| » Lost to Giants (89-54), 5-0 | Forbes Field (40-27) | 84-56 | Lost 2 |
| » Starters: Fred Toney vs Earl Hamilton | Second | 3½ out |
| Saturday, September 17 |
| » Lost to Giants (90-54), 6-1 | Forbes Field (40-28) | 84-57 | Lost 3 |
| » Starters: Art Nehf vs Hal Carlson | Second | 4½ out |
| Monday, September 19 |
| » Defeated Giants (90-55), 2-1 | Forbes Field (41-28) | 85-57 | |
| » Starters: Phil Douglas vs Babe Adams | Second | 3½ out |
| Wednesday, September 21 |
| » Lost to Dodgers (71-72), 2-0 | Forbes Field (41-29) | 85-58 | |
| » Starters: Clarence Mitchell vs Johnny Morrison | Second | 4 out |
| Thursday, September 22 |
| » Defeated Dodgers (71-73), 3-1 | Forbes Field (42-29) | 86-58 | |
| » Starters: Burleigh Grimes vs Whitey Glazner | Second | 4 out |
| » Lost to Dodgers (72-73), 2-0 | Forbes Field (42-30) | 86-59 | |
| » Starters: Leon Cadore vs Wilbur Cooper | Second | 4 out |
| Friday, September 23 |
| » Defeated Phillies (49-100), 2-0 | Forbes Field (43-30) | 87-59 | |
| » Starters: Lee Meadows vs Earl Hamilton | Second | 3½ out |
| Saturday, September 24 |
| » Defeated Phillies (49-101), 4-3 | Forbes Field (44-30) | 88-59 | Won 2 |
| » Starters: Jimmy Ring vs Johnny Morrison | Second | 2½ out |
| Monday, September 26 |
| » Lost to Phillies (50-101), 2-1 | Forbes Field (44-31) | 88-60 | |
| » Starters: Bill Hubbell vs Babe Adams | Second | 4 out |
| Tuesday, September 27 |
| » Defeated Phillies (50-102), 9-6 | Forbes Field (45-31) | 89-60 | |
| » Starters: Jesse Winters vs Whitey Glazner | Second | 3½ out |
| Thursday, September 29 |
| » Lost to Cardinals (85-65), 5-4 | Sportsman's Park III (4-4) | 89-61 | |
| » Starters: Wilbur Cooper vs Bill Doak | Second | 4½ out |
| » Lost to Cardinals (86-65), 3-1 | Sportsman's Park III (4-5) | 89-62 | Lost 2 |
| » Starters: Johnny Morrison vs Bill Sherdel | Second | 4½ out |
| » Major-league debuts: Kiki Cuyler (Pirates) |
| Friday, September 30 |
| » Lost to Cardinals (87-65), 12-4 | Sportsman's Park III (4-6) | 89-63 | Lost 3 |
| » Starters: Hal Carlson vs Jesse Haines | Second | 5 out |
| » Major-league debuts: Phil Morrison (Pirates) |
| Saturday, October 1 |
| » Tied Cardinals, 4-4 | Sportsman's Park III (4-6) | 89-63 | |
| » Starters: Earl Hamilton vs Bill Pertica | Second | 5 out |
| Sunday, October 2 |
| » Defeated Cardinals (87-66), 4-3 | Sportsman's Park III (5-6) | 90-63 | |
| » Starters: Wilbur Cooper vs Bill Pertica | Second | 4 out |
| Monday, December 12 |
| Future Pirate Bill Howerton is born in Lompoc, CA. |
Game information provided by Retrosheet (www.retrosheet.org) |
