| Sunday, January 1 |
| Future Pirate Hank Greenberg is born in New York, NY. |
| Saturday, January 14 |
| Future Pirate Hank Gornicki is born in Niagara Falls, NY. |
| Monday, April 10 |
| Future Pirate Roger Wolff is born in Evansville, IL. |
| Wednesday, April 12 |
| » Defeated Reds (0-1), 14-0 | Palace of the Fans (1-0) | 1-0 | |
| » Starters: Babe Adams vs Art Fromme | First | -- |
| » Major-league debuts: Newt Hunter (Pirates) |
| Saturday, April 15 |
| » Lost to Reds (1-1), 3-2 | Palace of the Fans (1-1) | 1-1 | |
| » Starters: Lefty Leifield vs George McQuillan | Third | ½ out |
| Sunday, April 16 |
| » Defeated Cubs (0-2), 4-1 | West Side Grounds (1-0) | 2-1 | |
| » Starters: Howie Camnitz vs Mordecai Brown | Second | ½ out |
| Monday, April 17 |
| » Lost to Cubs (1-2), 7-2 | West Side Grounds (1-1) | 2-2 | |
| » Starters: Babe Adams vs Harry McIntire | Third | 1 out |
| Tuesday, April 18 |
| » Lost to Cubs (2-2), 3-0 | West Side Grounds (1-2) | 2-3 | Lost 2 |
| » Starters: Lefty Leifield vs Lew Richie | Fifth | 2 out |
| » Major-league debuts: Al Kaiser (Cubs) |
| Thursday, April 20 |
| » Defeated Reds (2-3), 9-1 | Forbes Field (1-0) | 3-3 | |
| » Starters: George McQuillan vs Howie Camnitz | Fifth | 2½ out |
| » Major-league debuts: Jimmy Esmond (Reds) |
| Sunday, April 23 |
| » Defeated Reds (2-4), 1-0 | Palace of the Fans (2-1) | 4-3 | Won 2 |
| » Starters: Babe Adams vs Harry Gaspar | Third | 2½ out |
| Monday, April 24 |
| » Lost to Cardinals (3-5), 6-5 | Robison Field (0-1) | 4-4 | |
| » Starters: Lefty Leifield vs Slim Sallee | Third | 3½ out |
| Tuesday, April 25 |
| » Defeated Cardinals (3-6), 9-4 | Robison Field (1-1) | 5-4 | |
| » Starters: Howie Camnitz vs Bob Harmon | Third | 2½ out |
| Wednesday, April 26 |
| » Defeated Cardinals (3-7), 2-1 | Robison Field (2-1) | 6-4 | Won 2 |
| » Starters: Elmer Steele vs Roy Golden | Third | 2½ out |
| Friday, April 28 |
| » Defeated Cubs (8-5), 4-3 | Forbes Field (2-0) | 7-4 | Won 3 |
| » Starters: Harry McIntire vs Babe Adams | Second | 2 out |
| Saturday, April 29 |
| » Defeated Cubs (8-6), 8-3 | Forbes Field (3-0) | 8-4 | Won 4 |
| » Starters: Mordecai Brown vs Lefty Leifield | Second | 2 out |
| Sunday, April 30 |
| » Lost to Cubs (9-6), 6-4 | West Side Grounds (1-3) | 8-5 | |
| » Starters: Howie Camnitz vs Lew Richie | Second | 2½ out |
| Wednesday, May 3 |
| » Defeated Cardinals (3-8), 8-4 | Forbes Field (4-0) | 9-5 | |
| » Starters: Bob Harmon vs Lefty Leifield | Third | 2½ out |
| Thursday, May 4 |
| » Defeated Cardinals (3-9), 17-1 | Forbes Field (5-0) | 10-5 | Won 2 |
| » Starters: Roy Golden vs Elmer Steele | Third | 2½ out |
| Friday, May 5 |
| » Defeated Cardinals (3-10), 2-1 | Forbes Field (6-0) | 11-5 | Won 3 |
| » Starters: Bill Steele vs Judge Nagle | Second | 1½ out |
| Saturday, May 6 |
| » Defeated Cardinals (3-11), 3-2 | Forbes Field (7-0) | 12-5 | Won 4 |
| » Starters: Roy Golden vs Babe Adams | Second | 1½ out |
| Sunday, May 7 |
| » Lost to Reds (7-8), 8-4 | Palace of the Fans (2-2) | 12-6 | |
| » Starters: Lefty Leifield vs George Suggs | Second | 2 out |
| Monday, May 8 |
| » Defeated Cardinals (4-12), 4-2 | Forbes Field (8-0) | 13-6 | |
| » Starters: Bill Steele vs Elmer Steele | Second | 2 out |
| Tuesday, May 9 |
| » Defeated Phillies (16-6), 8-1 | Baker Bowl (1-0) | 14-6 | Won 2 |
| » Starters: Babe Adams vs Jack Rowan | Second | 1 out |
| Wednesday, May 10 |
| » Lost to Phillies (17-6), 6-2 | Baker Bowl (1-1) | 14-7 | |
| » Starters: Judge Nagle vs Earl Moore | Second | 2 out |
| Thursday, May 11 |
| » Lost to Phillies (18-6), 19-10 | Baker Bowl (1-2) | 14-8 | Lost 2 |
| » Starters: Howie Camnitz vs Pete Alexander | Second | 3 out |
| » Major-league debuts: Sherry Smith (Pirates) |
| Friday, May 12 |
| » Lost to Phillies (19-6), 9-5 | Baker Bowl (1-3) | 14-9 | Lost 3 |
| » Starters: Elmer Steele vs Fred Beebe | Second | 4 out |
| Saturday, May 13 |
| » Defeated Braves (8-19), 9-3 | South End Grounds III (1-0) | 15-9 | |
| » Starters: Babe Adams vs Cliff Curtis | Second | 4 out |
| Monday, May 15 |
| » Defeated Braves (8-20), 12-10 | South End Grounds III (2-0) | 16-9 | Won 2 |
| » Starters: Howie Camnitz vs Al Mattern | Second | 4 out |
| Tuesday, May 16 |
| » Defeated Braves (8-21), 11-7 | South End Grounds III (3-0) | 17-9 | Won 3 |
| » Starters: Elmer Steele vs Big Jeff Pfeffer | Second | 3 out |
| Wednesday, May 17 |
| » Defeated Braves (8-22), 7-6 | South End Grounds III (4-0) | 18-9 | Won 4 |
| » Starters: Jack Ferry vs Cliff Curtis | Second | 3 out |
| Thursday, May 18 |
| » Defeated Giants (16-12), 6-1 | Hilltop Park (1-0) | 19-9 | Won 5 |
| » Starters: Babe Adams vs Christy Mathewson | Second | 2 out |
| Friday, May 19 |
| » Lost to Giants (17-12), 4-3 | Hilltop Park (1-1) | 19-10 | |
| » Starters: Elmer Steele vs Hooks Wiltse | Second | 2 out |
| Saturday, May 20 |
| » Lost to Giants (18-12), 2-1 | Hilltop Park (1-2) | 19-11 | Lost 2 |
| » Starters: Lefty Leifield vs Louis Drucke | Second | 2 out |
| Monday, May 22 |
| » Lost to Giants (19-12), 5-1 | Hilltop Park (1-3) | 19-12 | Lost 3 |
| » Starters: Babe Adams vs Bugs Raymond | Second | 2 out |
| Tuesday, May 23 |
| » Lost to Dodgers (12-21), 4-3 | Washington Park III (0-1) | 19-13 | Lost 4 |
| » Starters: Howie Camnitz vs Doc Scanlan | Fourth | 2 out |
| Wednesday, May 24 |
| » Lost to Dodgers (13-21), 4-0 | Washington Park III (0-2) | 19-14 | Lost 5 |
| » Starters: Kirby White vs Bill Schardt | Fourth | 2 out |
| Thursday, May 25 |
| » Defeated Dodgers (13-22), 7-2 | Washington Park III (1-2) | 20-14 | |
| » Starters: Lefty Leifield vs Nap Rucker | Third | 2 out |
| Friday, May 26 |
| » Lost to Reds (15-16), 4-3 | Forbes Field (8-1) | 20-15 | |
| » Starters: Frank Smith vs Babe Adams | Fourth | 2 out |
| Saturday, May 27 |
| » Lost to Reds (16-16), 1-0 | Forbes Field (8-2) | 20-16 | Lost 2 |
| » Starters: Art Fromme vs Howie Camnitz | Fourth | 3 out |
| Sunday, May 28 |
| » Defeated Reds (16-17), 7-5 | Palace of the Fans (3-2) | 21-16 | |
| » Starters: Lefty Leifield vs George Suggs | Fourth | 2½ out |
| Monday, May 29 |
| » Lost to Cubs (23-13), 4-1 | Forbes Field (8-3) | 21-17 | |
| » Starters: King Cole vs Elmer Steele | Fourth | 3 out |
| Tuesday, May 30 |
| » Defeated Cubs (23-14), 4-1 | Forbes Field (9-3) | 22-17 | |
| » Starters: Ed Reulbach vs Howie Camnitz | Fourth | 3 out |
| » Major-league debuts: Reggie Richter (Cubs) |
| Thursday, June 1 |
| » Lost to Cubs (24-14), 8-6 | Forbes Field (9-4) | 22-18 | |
| » Starters: Harry McIntire vs Judge Nagle | Fourth | 3½ out |
| Friday, June 2 |
| » Defeated Phillies (26-16), 7-1 | Forbes Field (10-4) | 23-18 | |
| » Starters: Bert Humphries vs Babe Adams | Fourth | 3½ out |
| Saturday, June 3 |
| » Defeated Phillies (26-17), 4-3 | Forbes Field (11-4) | 24-18 | Won 2 |
| » Starters: Earl Moore vs Howie Camnitz | Fourth | 2½ out |
| Monday, June 5 |
| » Lost to Phillies (27-17), 5-4 | Forbes Field (11-5) | 24-19 | |
| » Starters: Pete Alexander vs Elmer Steele | Fourth | 3 out |
| Tuesday, June 6 |
| » Defeated Giants (27-17), 4-3 | Forbes Field (12-5) | 25-19 | |
| » Starters: Bugs Raymond vs Lefty Leifield | Fourth | 2½ out |
| Wednesday, June 7 |
| » Lost to Giants (28-17), 9-4 | Forbes Field (12-6) | 25-20 | |
| » Starters: Louis Drucke vs Babe Adams | Fourth | 3 out |
| » Major-league debuts: Claude Hendrix (Pirates) |
| Thursday, June 8 |
| » Lost to Giants (29-17), 4-3 | Forbes Field (12-7) | 25-21 | Lost 2 |
| » Starters: Red Ames vs Howie Camnitz | Fourth | 4 out |
| Friday, June 9 |
| » Lost to Giants (30-17), 6-3 | Forbes Field (12-8) | 25-22 | Lost 3 |
| » Starters: Christy Mathewson vs Lefty Leifield | Fourth | 5 out |
| Saturday, June 10 |
| » Defeated Dodgers (18-31), 9-0 | Forbes Field (13-8) | 26-22 | |
| » Starters: Doc Scanlan vs Babe Adams | Fourth | 4 out |
| Monday, June 12 |
| » Defeated Dodgers (18-32), 4-2 | Forbes Field (14-8) | 27-22 | Won 2 |
| » Starters: Cy Barger vs Howie Camnitz | Fourth | 4 out |
| Tuesday, June 13 |
| » Defeated Dodgers (18-33), 4-3 | Forbes Field (15-8) | 28-22 | Won 3 |
| » Starters: Bill Schardt vs Lefty Leifield | Fourth | 4 out |
| Wednesday, June 14 |
| » Defeated Braves (12-41), 4-3 | Forbes Field (16-8) | 29-22 | Won 4 |
| » Starters: Al Mattern vs Jack Ferry | Fourth | 3½ out |
| Thursday, June 15 |
| » Lost to Braves (13-41), 8-7 | Forbes Field (16-9) | 29-23 | |
| » Starters: Orlie Weaver vs Claude Hendrix | Fourth | 4 out |
| Friday, June 16 |
| » Defeated Braves (13-42), 8-2 | Forbes Field (17-9) | 30-23 | |
| » Starters: Buster Brown vs Howie Camnitz | Fourth | 3½ out |
| Monday, June 19 |
| » Defeated Dodgers (20-35), 3-0 | Forbes Field (18-9) | 31-23 | Won 2 |
| » Starters: Bill Schardt vs Lefty Leifield | Third | 4 out |
| Tuesday, June 20 |
| » Defeated Cubs (35-20), 3-2 | West Side Grounds (2-3) | 32-23 | Won 3 |
| » Starters: Babe Adams vs Lew Richie | Third | 3 out |
| Wednesday, June 21 |
| » Lost to Cubs (36-20), 14-1 | West Side Grounds (2-4) | 32-24 | |
| » Starters: Howie Camnitz vs Harry McIntire | Fourth | 4 out |
| » Major-league debuts: Ensign Cottrell (Pirates) |
| Thursday, June 22 |
| » Defeated Cubs (36-21), 12-3 | West Side Grounds (3-4) | 33-24 | |
| » Starters: Lefty Leifield vs Mordecai Brown | Fourth | 3 out |
| Friday, June 23 |
| » Defeated Cubs (36-22), 4-3 | Forbes Field (19-9) | 34-24 | Won 2 |
| » Starters: King Cole vs Babe Adams | Fourth | 2 out |
| Saturday, June 24 |
| » Defeated Cubs (36-23), 3-0 | Forbes Field (20-9) | 35-24 | Won 3 |
| » Starters: Cliff Curtis vs Howie Camnitz | Fourth | 1½ out |
| Sunday, June 25 |
| » Lost to Cubs (37-23), 4-2 | West Side Grounds (3-5) | 35-25 | |
| » Starters: Lefty Leifield vs Lew Richie | Third | 2 out |
| Monday, June 26 |
| » Lost to Reds (28-34), 6-3 | Forbes Field (20-10) | 35-26 | Lost 2 |
| » Starters: Frank Smith vs Babe Adams | Third | 2½ out |
| Tuesday, June 27 |
| » Defeated Reds (28-35), 4-1 | Forbes Field (21-10) | 36-26 | |
| » Starters: Art Fromme vs Howie Camnitz | Third | 3 out |
| Wednesday, June 28 |
| » Tied Reds, 3-3 | Forbes Field (21-10) | 36-26 | |
| » Starters: Harry Gaspar vs Lefty Leifield | Third | 3½ out |
| Thursday, June 29 |
| » Defeated Cardinals (35-29), 8-6 | Robison Field (3-1) | 37-26 | Won 2 |
| » Starters: Babe Adams vs Roy Golden | Fourth | 3½ out |
| Friday, June 30 |
| » Lost to Cardinals (36-29), 5-3 | Robison Field (3-2) | 37-27 | |
| » Starters: Howie Camnitz vs Bill Steele | Third | 3½ out |
| Saturday, July 1 |
| » Lost to Cardinals (37-29), 3-2 | Robison Field (3-3) | 37-28 | Lost 2 |
| » Starters: Lefty Leifield vs Bob Harmon | Third | 4½ out |
| Sunday, July 2 |
| » Lost to Cardinals (38-29), 3-0 | Robison Field (3-4) | 37-29 | Lost 3 |
| » Starters: Howie Camnitz vs Slim Sallee | Fifth | 5 out |
| Tuesday, July 4 |
| » Lost to Cardinals (39-29), 3-2 | Forbes Field (21-11) | 37-30 | Lost 4 |
| » Starters: Bob Harmon vs Elmer Steele | Fifth | 4½ out |
| » Defeated Cardinals (39-30), 11-1 | Forbes Field (22-11) | 38-30 | |
| » Starters: Bill Steele vs Claude Hendrix | Fifth | 4½ out |
| » Major-league debuts: Lee Magee (Cardinals) |
| Wednesday, July 5 |
| » Defeated Cardinals (39-31), 6-3 | Forbes Field (23-11) | 39-30 | Won 2 |
| » Starters: Slim Sallee vs Lefty Leifield | Fourth | 4 out |
| Thursday, July 6 |
| » Defeated Dodgers (26-44), 10-1 | Washington Park III (2-2) | 40-30 | Won 3 |
| » Starters: Howie Camnitz vs Cy Barger | Fourth | 3½ out |
| Friday, July 7 |
| » Lost to Dodgers (27-44), 7-6 | Washington Park III (2-3) | 40-31 | |
| » Starters: Elmer Steele vs Doc Scanlan | Fourth | 3½ out |
| Saturday, July 8 |
| » Defeated Dodgers (27-45), 3-1 | Washington Park III (3-3) | 41-31 | |
| » Starters: Lefty Leifield vs Bill Schardt | Fifth | 3 out |
| Monday, July 10 |
| » Defeated Dodgers (27-46), 2-0 | Washington Park III (4-3) | 42-31 | Won 2 |
| » Starters: Babe Adams vs Nap Rucker | Third | 2½ out |
| Tuesday, July 11 |
| » Defeated Giants (45-31), 13-4 | Polo Grounds V (1-0) | 43-31 | Won 3 |
| » Starters: Howie Camnitz vs Hooks Wiltse | Fourth | 2½ out |
| Wednesday, July 12 |
| » Lost to Giants (46-31), 4-3 | Polo Grounds V (1-1) | 43-32 | |
| » Starters: Claude Hendrix vs Rube Marquard | Third | 2½ out |
| Thursday, July 13 |
| » Lost to Giants (47-31), 9-4 | Polo Grounds V (1-2) | 43-33 | Lost 2 |
| » Starters: Lefty Leifield vs Louis Drucke | Fourth | 3 out |
| Saturday, July 15 |
| » Lost to Phillies (49-31), 2-1 | Baker Bowl (1-4) | 43-34 | Lost 3 |
| » Starters: Babe Adams vs George Chalmers | Fifth | 4½ out |
| Tuesday, July 18 |
| » Lost to Phillies (50-31), 4-2 | Baker Bowl (1-5) | 43-35 | Lost 4 |
| » Starters: Howie Camnitz vs Earl Moore | Fifth | 6½ out |
| » Lost to Phillies (51-31), 2-1 | Baker Bowl (1-6) | 43-36 | Lost 5 |
| » Starters: Lefty Leifield vs Pete Alexander | Fifth | 6½ out |
| Wednesday, July 19 |
| » Lost to Phillies (52-31), 5-4 | Baker Bowl (1-7) | 43-37 | Lost 6 |
| » Starters: Babe Adams vs Fred Beebe | Fifth | 7½ out |
| Thursday, July 20 |
| » Defeated Braves (20-63), 6-3 | South End Grounds III (5-0) | 44-37 | |
| » Starters: Jack Ferry vs Hank Griffin | Fifth | 6 out |
| » Defeated Braves (20-64), 9-5 | South End Grounds III (6-0) | 45-37 | Won 2 |
| » Starters: Claude Hendrix vs Orlie Weaver | Fifth | 6 out |
| Friday, July 21 |
| » Defeated Braves (20-65), 7-5 | South End Grounds III (7-0) | 46-37 | Won 3 |
| » Starters: Harry Gardner vs George Ferguson | Fifth | 5½ out |
| Saturday, July 22 |
| » Defeated Braves (20-66), 3-1 | South End Grounds III (8-0) | 47-37 | Won 4 |
| » Starters: Lefty Leifield vs Buster Brown | Fifth | 5 out |
| Monday, July 24 |
| » Defeated Dodgers (31-53), 8-2 | Forbes Field (24-11) | 48-37 | Won 5 |
| » Starters: Cy Barger vs Babe Adams | Fifth | 4½ out |
| Tuesday, July 25 |
| » Defeated Dodgers (31-54), 7-1 | Forbes Field (25-11) | 49-37 | Won 6 |
| » Starters: Bill Schardt vs Jack Ferry | Fifth | 4 out |
| Wednesday, July 26 |
| » Defeated Dodgers (31-55), 12-1 | Forbes Field (26-11) | 50-37 | Won 7 |
| » Starters: Doc Scanlan vs Howie Camnitz | Fifth | 4½ out |
| Thursday, July 27 |
| » Defeated Dodgers (31-56), 7-0 | Forbes Field (27-11) | 51-37 | Won 8 |
| » Starters: Nap Rucker vs Lefty Leifield | Fourth | 4½ out |
| Friday, July 28 |
| » Defeated Braves (20-70), 9-4 | Forbes Field (28-11) | 52-37 | Won 9 |
| » Starters: Buster Brown vs Babe Adams | Fourth | 4½ out |
| Saturday, July 29 |
| » Defeated Braves (20-71), 17-2 | Forbes Field (29-11) | 53-37 | Won 10 |
| » Starters: Orlie Weaver vs Elmer Steele | Fourth | 3 out |
| » Defeated Braves (20-72), 10-2 | Forbes Field (30-11) | 54-37 | Won 11 |
| » Starters: Lefty Tyler vs Howie Camnitz | Fourth | 3 out |
| Monday, July 31 |
| » Defeated Braves (20-73), 8-1 | Forbes Field (31-11) | 55-37 | Won 12 |
| » Starters: Hank Griffin vs Lefty Leifield | Fourth | 2½ out |
| Tuesday, August 1 |
| » Defeated Braves (20-74), 10-2 | Forbes Field (32-11) | 56-37 | Won 13 |
| » Starters: Al Mattern vs Jack Ferry | Third | 2 out |
| Wednesday, August 2 |
| » Lost to Giants (57-36), 8-4 | Forbes Field (32-12) | 56-38 | |
| » Starters: Christy Mathewson vs Babe Adams | Fourth | 3 out |
| Friday, August 4 |
| » Defeated Giants (57-37), 5-3 | Forbes Field (33-12) | 57-38 | |
| » Starters: Red Ames vs Howie Camnitz | Third | 2 out |
| Saturday, August 5 |
| » Defeated Giants (57-38), 3-1 | Forbes Field (34-12) | 58-38 | Won 2 |
| » Starters: Rube Marquard vs Lefty Leifield | Second | 2 out |
| Monday, August 7 |
| » Defeated Phillies (56-41), 2-1 | Forbes Field (35-12) | 59-38 | Won 3 |
| » Starters: George Chalmers vs Babe Adams | Second | 1½ out |
| Tuesday, August 8 |
| » Defeated Phillies (56-42), 13-0 | Forbes Field (36-12) | 60-38 | Won 4 |
| » Starters: Fred Beebe vs Jack Ferry | Second | 1½ out |
| » Major-league debuts: Bill Keen (Pirates) |
| Wednesday, August 9 |
| » Defeated Phillies (56-43), 7-6 | Forbes Field (37-12) | 61-38 | Won 5 |
| » Starters: Pete Alexander vs Howie Camnitz | First | -- |
| Thursday, August 10 |
| » Lost to Phillies (57-43), 4-3 | Forbes Field (37-13) | 61-39 | |
| » Starters: Earl Moore vs Lefty Leifield | Second | 1½ out |
| Friday, August 11 |
| » Defeated Reds (45-54), 5-1 | Palace of the Fans (4-2) | 62-39 | |
| » Starters: Babe Adams vs George Suggs | Second | 2 out |
| Saturday, August 12 |
| » Defeated Reds (45-55), 3-0 | Palace of the Fans (5-2) | 63-39 | Won 2 |
| » Starters: Elmer Steele vs Bobby Keefe | Second | 2 out |
| Sunday, August 13 |
| » Lost to Reds (46-55), 4-0 | Palace of the Fans (5-3) | 63-40 | |
| » Starters: Howie Camnitz vs Harry Gaspar | Second | 2½ out |
| » Defeated Reds (46-56), 7-2 | Palace of the Fans (6-3) | 64-40 | |
| » Starters: Lefty Leifield vs Frank Smith | Second | 2½ out |
| Monday, August 14 |
| » Lost to Cardinals (57-47), 3-1 | Forbes Field (37-14) | 64-41 | |
| » Starters: Bob Harmon vs Babe Adams | Second | 3 out |
| Wednesday, August 16 |
| » Defeated Dodgers (39-65), 9-0 | Washington Park III (5-3) | 65-41 | |
| » Starters: Elmer Steele vs Elmer Knetzer | Second | 3 out |
| Thursday, August 17 |
| » Lost to Dodgers (40-65), 8-7 | Washington Park III (5-4) | 65-42 | |
| » Starters: Jack Ferry vs Sandy Burk | Third | 3 out |
| Saturday, August 19 |
| » Lost to Dodgers (41-65), 3-2 | Washington Park III (5-5) | 65-43 | Lost 2 |
| » Starters: Lefty Leifield vs Nap Rucker | Third | 3 out |
| » Defeated Dodgers (41-66), 10-7 | Washington Park III (6-5) | 66-43 | |
| » Starters: Babe Adams vs Bill Schardt | Third | 3 out |
| Monday, August 21 |
| » Defeated Phillies (60-49), 10-7 | Baker Bowl (2-7) | 67-43 | Won 2 |
| » Starters: Elmer Steele vs George Chalmers | Third | 3 out |
| Tuesday, August 22 |
| » Lost to Phillies (61-49), 3-0 | Baker Bowl (2-8) | 67-44 | |
| » Starters: Jack Ferry vs Pete Alexander | Third | 1 out |
| Wednesday, August 23 |
| » Lost to Phillies (62-49), 3-2 | Baker Bowl (2-9) | 67-45 | Lost 2 |
| » Starters: Lefty Leifield vs Eddie Stack | Third | 3 out |
| Thursday, August 24 |
| » Defeated Giants (67-44), 3-1 | Polo Grounds V (2-2) | 68-45 | |
| » Starters: Babe Adams vs Christy Mathewson | Third | 1 out |
| » Lost to Giants (68-44), 2-1 | Polo Grounds V (2-3) | 68-46 | |
| » Starters: Howie Camnitz vs Rube Marquard | Third | 1 out |
| Friday, August 25 |
| » Lost to Giants (69-44), 3-2 | Polo Grounds V (2-4) | 68-47 | Lost 2 |
| » Starters: Claude Hendrix vs Red Ames | Third | 2 out |
| Saturday, August 26 |
| » Lost to Giants (70-44), 6-2 | Polo Grounds V (2-5) | 68-48 | Lost 3 |
| » Starters: Howie Camnitz vs Christy Mathewson | Third | 3 out |
| Monday, August 28 |
| » Defeated Braves (29-87), 3-0 | South End Grounds III (9-0) | 69-48 | |
| » Starters: Babe Adams vs Hub Perdue | Third | 3 out |
| Wednesday, August 30 |
| » Defeated Braves (29-88), 6-4 | South End Grounds III (10-0) | 70-48 | Won 2 |
| » Starters: Marty O'Toole vs Orlie Weaver | Third | 3½ out |
| » Lost to Braves (30-88), 6-0 | South End Grounds III (10-1) | 70-49 | |
| » Starters: Claude Hendrix vs Cy Young | Third | 3½ out |
| Friday, September 1 |
| » Lost to Reds (54-61), 3-2 | Forbes Field (37-15) | 70-50 | Lost 2 |
| » Starters: George Suggs vs Lefty Leifield | Third | 4½ out |
| » Defeated Reds (54-62), 14-4 | Forbes Field (38-15) | 71-50 | |
| » Starters: Bobby Keefe vs Babe Adams | Third | 4½ out |
| Saturday, September 2 |
| » Lost to Cardinals (62-55), 8-4 | Forbes Field (38-16) | 71-51 | |
| » Starters: Bob Harmon vs Elmer Steele | Third | 5 out |
| » Defeated Cardinals (62-56), 12-1 | Forbes Field (39-16) | 72-51 | |
| » Starters: Rube Geyer vs Marty O'Toole | Third | 5 out |
| » Major-league debuts: Jim Clark (Cardinals) |
| Sunday, September 3 |
| » Lost to Reds (55-63), 3-1 | Palace of the Fans (6-4) | 72-52 | |
| » Starters: Babe Adams vs Art Fromme | Third | 5½ out |
| Monday, September 4 |
| » Defeated Reds (55-64), 4-3 | Forbes Field (40-16) | 73-52 | |
| » Starters: Bobby Keefe vs Howie Camnitz | Third | 5½ out |
| » Lost to Reds (56-64), 3-1 | Forbes Field (40-17) | 73-53 | |
| » Starters: Bert Humphries vs Lefty Leifield | Third | 5½ out |
| Wednesday, September 6 |
| » Defeated Reds (56-65), 4-3 | Forbes Field (41-17) | 74-53 | |
| » Starters: George Suggs vs Marty O'Toole | Third | 5½ out |
| » Lost to Reds (57-65), 6-1 | Forbes Field (41-18) | 74-54 | |
| » Starters: Bobby Keefe vs Babe Adams | Third | 5½ out |
| Thursday, September 7 |
| » Defeated Cardinals (64-61), 5-0 | Robison Field (4-4) | 75-54 | |
| » Starters: Claude Hendrix vs Rube Geyer | Third | 4½ out |
| Saturday, September 9 |
| » Defeated Cardinals (64-62), 4-1 | Robison Field (5-4) | 76-54 | Won 2 |
| » Starters: Lefty Leifield vs Bob Harmon | Third | 5 out |
| » Lost to Cardinals (65-62), 7-2 | Robison Field (5-5) | 76-55 | |
| » Starters: Howie Camnitz vs Gene Woodburn | Third | 5 out |
| Sunday, September 10 |
| » Lost to Cardinals (66-62), 7-6 | Robison Field (5-6) | 76-56 | Lost 2 |
| » Starters: Elmer Steele vs Roy Golden | Third | 5½ out |
| Wednesday, September 13 |
| » Defeated Reds (59-71), 5-4 | Palace of the Fans (7-4) | 77-56 | |
| » Starters: Babe Adams vs Ray Boyd | Third | 6½ out |
| Thursday, September 14 |
| » Defeated Cubs (77-49), 3-2 | Forbes Field (42-18) | 78-56 | Won 2 |
| » Starters: Mordecai Brown vs Howie Camnitz | Third | 6 out |
| » Defeated Cubs (77-50), 4-2 | Forbes Field (43-18) | 79-56 | Won 3 |
| » Starters: Lew Richie vs Lefty Leifield | Third | 6 out |
| Friday, September 15 |
| » Defeated Cubs (77-51), 3-2 | Forbes Field (44-18) | 80-56 | Won 4 |
| » Starters: Ed Reulbach vs Claude Hendrix | Third | 6 out |
| » Lost to Cubs (78-51), 4-2 | Forbes Field (44-19) | 80-57 | |
| » Starters: King Cole vs Harry Gardner | Third | 6 out |
| Saturday, September 16 |
| » Lost to Giants (82-46), 6-2 | Forbes Field (44-20) | 80-58 | Lost 2 |
| » Starters: Rube Marquard vs Marty O'Toole | Third | 7 out |
| Monday, September 18 |
| » Lost to Giants (83-46), 7-2 | Forbes Field (44-21) | 80-59 | Lost 3 |
| » Starters: Christy Mathewson vs Howie Camnitz | Third | 8 out |
| Tuesday, September 19 |
| » Lost to Giants (84-46), 3-1 | Forbes Field (44-22) | 80-60 | Lost 4 |
| » Starters: Red Ames vs Lefty Leifield | Third | 9 out |
| Wednesday, September 20 |
| » Defeated Braves (34-100), 3-2 | Forbes Field (45-22) | 81-60 | |
| » Starters: Lefty Tyler vs Claude Hendrix | Third | 9½ out |
| Thursday, September 21 |
| » Defeated Braves (34-101), 4-3 | Forbes Field (46-22) | 82-60 | Won 2 |
| » Starters: Ed Donnelly vs Howie Camnitz | Third | 9 out |
| Friday, September 22 |
| » Lost to Braves (35-101), 1-0 | Forbes Field (46-23) | 82-61 | |
| » Starters: Cy Young vs Babe Adams | Third | 10 out |
| Saturday, September 23 |
| » Lost to Dodgers (56-82), 5-4 | Forbes Field (46-24) | 82-62 | Lost 2 |
| » Starters: Pat Ragan vs Lefty Leifield | Third | 11 out |
| Monday, September 25 |
| » Lost to Dodgers (57-82), 5-4 | Forbes Field (46-25) | 82-63 | Lost 3 |
| » Starters: Nap Rucker vs Claude Hendrix | Third | 11½ out |
| Tuesday, September 26 |
| » Lost to Dodgers (58-82), 5-2 | Forbes Field (46-26) | 82-64 | Lost 4 |
| » Starters: Cy Barger vs Babe Adams | Third | 12 out |
| Thursday, September 28 |
| » Lost to Phillies (77-64), 4-0 | Forbes Field (46-27) | 82-65 | Lost 5 |
| » Starters: Earl Moore vs Marty O'Toole | Third | 11½ out |
| Friday, September 29 |
| » Lost to Phillies (78-64), 7-4 | Forbes Field (46-28) | 82-66 | Lost 6 |
| » Starters: Pete Alexander vs Harry Gardner | Third | 12 out |
| Saturday, September 30 |
| » Defeated Phillies (78-65), 6-2 | Forbes Field (47-28) | 83-66 | |
| » Starters: George Chalmers vs Babe Adams | Third | 11½ out |
| » Defeated Phillies (78-66), 8-7 | Forbes Field (48-28) | 84-66 | Won 2 |
| » Starters: Eddie Stack vs Lefty Leifield | Third | 11½ out |
| Monday, October 2 |
| » Lost to Giants (93-50), 3-0 | Forbes Field (48-29) | 84-67 | |
| » Starters: Hooks Wiltse vs Claude Hendrix | Third | 13 out |
| Saturday, October 7 |
| » Defeated Cubs (90-61), 5-0 | West Side Grounds (4-5) | 85-67 | |
| » Starters: Babe Adams vs Fred Toney | Third | 14½ out |
| Sunday, October 8 |
| » Lost to Cubs (91-61), 3-2 | West Side Grounds (4-6) | 85-68 | |
| » Starters: Claude Hendrix vs Lew Richie | Third | 15 out |
| Monday, October 9 |
| » Lost to Cubs (92-61), 6-5 | West Side Grounds (4-7) | 85-69 | Lost 2 |
| » Starters: Lefty Leifield vs King Cole | Third | 16 out |
Game information provided by Retrosheet (www.retrosheet.org) |
