| Friday, February 17 |
| Future Pirate Ed Brandt is born in Spokane, WA. |
| Friday, April 14 |
| » Defeated Reds (0-1), 9-4 | Palace of the Fans (1-0) | 1-0 | |
| » Starters: Patsy Flaherty vs Jack Harper | First | -- |
| » Major-league debuts: Charlie Chech (Reds) Bill Clancy and Otis Clymer (Pirates) |
| Saturday, April 15 |
| » Lost to Reds (1-1), 7-0 | Palace of the Fans (1-1) | 1-1 | |
| » Starters: Deacon Phillippe vs Bob Ewing | Second | 1 out |
| Sunday, April 16 |
| » Defeated Reds (1-2), 9-4 | Palace of the Fans (2-1) | 2-1 | |
| » Starters: Chick Robitaille vs Orval Overall | Second | ½ out |
| » Major-league debuts: Al Bridwell and Orval Overall (Reds) |
| Monday, April 17 |
| » Defeated Reds (1-3), 6-4 | Palace of the Fans (3-1) | 3-1 | Won 2 |
| » Starters: Mike Lynch vs Tom Walker | Third | ½ out |
| » Major-league debuts: Cliff Blankenship (Reds) |
| Wednesday, April 19 |
| » Defeated Cardinals (2-3), 8-4 | Exposition Park III (1-0) | 4-1 | Won 3 |
| » Starters: Chappie McFarland vs Sam Leever | Second | 1 out |
| Saturday, April 22 |
| » Defeated Cardinals (2-4), 6-4 | Exposition Park III (2-0) | 5-1 | Won 4 |
| » Starters: Win Kellum vs Mike Lynch | First | -- |
| Sunday, April 23 |
| » Lost to Cubs (4-4), 1-0 | West Side Grounds (0-1) | 5-2 | |
| » Starters: Deacon Phillippe vs Mordecai Brown | Second | 1 out |
| Monday, April 24 |
| » Lost to Cubs (5-4), 7-1 | West Side Grounds (0-2) | 5-3 | Lost 2 |
| » Starters: Sam Leever vs Jake Weimer | Second | 1 out |
| » Major-league debuts: Homer Hillebrand (Pirates) |
| Former Pirate Jim Gardner dies in Pittsburgh, PA at the age of 31. |
| Wednesday, April 26 |
| » Lost to Cubs (6-4), 2-1 | Exposition Park III (2-1) | 5-4 | Lost 3 |
| » Starters: Big Jeff Pfeffer vs Patsy Flaherty | Third | 1½ out |
| Friday, April 28 |
| » Defeated Cubs (6-5), 4-2 | Exposition Park III (3-1) | 6-4 | |
| » Starters: Mordecai Brown vs Chick Robitaille | Second | 1 out |
| Saturday, April 29 |
| » Defeated Cubs (6-6), 3-2 | Exposition Park III (4-1) | 7-4 | Won 2 |
| » Starters: Jake Weimer vs Deacon Phillippe | Second | ½ out |
| Sunday, April 30 |
| » Defeated Cardinals (3-8), 10-4 | Robison Field (1-0) | 8-4 | Won 3 |
| » Starters: Sam Leever vs Jack Taylor | Second | ½ out |
| Monday, May 1 |
| » Defeated Cardinals (3-9), 2-1 | Robison Field (2-0) | 9-4 | Won 4 |
| » Starters: Patsy Flaherty vs Wish Egan | Second | ½ out |
| Tuesday, May 2 |
| » Lost to Cardinals (4-9), 3-1 | Robison Field (2-1) | 9-5 | |
| » Starters: Chick Robitaille vs Jake Thielman | Second | 1½ out |
| Wednesday, May 3 |
| » Lost to Cardinals (5-9), 5-4 | Robison Field (2-2) | 9-6 | Lost 2 |
| » Starters: Deacon Phillippe vs Chappie McFarland | Second | 2½ out |
| Friday, May 5 |
| » Defeated Reds (8-8), 4-2 | Exposition Park III (5-1) | 10-6 | |
| » Starters: Jack Harper vs Sam Leever | Second | 3 out |
| Saturday, May 6 |
| » Lost to Reds (9-8), 3-2 | Exposition Park III (5-2) | 10-7 | |
| » Starters: Noodles Hahn vs Patsy Flaherty | Second | 3 out |
| Sunday, May 7 |
| » Defeated Reds (9-9), 4-3 | Palace of the Fans (4-1) | 11-7 | |
| » Starters: Chick Robitaille vs Bob Ewing | Second | 2½ out |
| Monday, May 8 |
| » Defeated Reds (9-10), 2-1 | Exposition Park III (6-2) | 12-7 | Won 2 |
| » Starters: Orval Overall vs Deacon Phillippe | Second | 2½ out |
| Tuesday, May 9 |
| » Defeated Phillies (9-9), 9-6 | Baker Bowl (1-0) | 13-7 | Won 3 |
| » Starters: Sam Leever vs Jack Sutthoff | Second | 1½ out |
| Wednesday, May 10 |
| » Lost to Phillies (10-9), 10-3 | Baker Bowl (1-1) | 13-8 | |
| » Starters: Patsy Flaherty vs Frank Corridon | Second | 2½ out |
| Thursday, May 11 |
| » Defeated Phillies (10-10), 4-3 | Baker Bowl (2-1) | 14-8 | |
| » Starters: Chick Robitaille vs Tully Sparks | Second | 2½ out |
| Friday, May 12 |
| » Defeated Phillies (10-11), 6-4 | Baker Bowl (3-1) | 15-8 | Won 2 |
| » Starters: Deacon Phillippe vs Ralph Caldwell | Second | 2½ out |
| Saturday, May 13 |
| » Lost to Dodgers (11-16), 7-3 | Washington Park III (0-1) | 15-9 | |
| » Starters: Patsy Flaherty vs Harry McIntire | Second | 3½ out |
| Sunday, May 14 |
| » Defeated Dodgers (11-17), 5-1 | Washington Park III (1-1) | 16-9 | |
| » Starters: Sam Leever vs Mal Eason | Second | 3 out |
| Monday, May 15 |
| » Lost to Dodgers (12-17), 4-1 | Washington Park III (1-2) | 16-10 | |
| » Starters: Chick Robitaille vs Doc Scanlan | Second | 4 out |
| Tuesday, May 16 |
| » Defeated Dodgers (12-18), 9-7 | Washington Park III (2-2) | 17-10 | |
| » Starters: Mike Lynch vs Oscar Jones | Second | 4 out |
| Thursday, May 18 |
| » Defeated Giants (21-6), 7-2 | Polo Grounds IV (1-0) | 18-10 | Won 2 |
| » Starters: Sam Leever vs Christy Mathewson | Second | 3½ out |
| Friday, May 19 |
| » Lost to Giants (22-6), 7-1 | Polo Grounds IV (1-1) | 18-11 | |
| » Starters: Chick Robitaille vs Dummy Taylor | Second | 4½ out |
| Saturday, May 20 |
| » Lost to Giants (23-6), 5-4 | Polo Grounds IV (1-2) | 18-12 | Lost 2 |
| » Starters: Mike Lynch vs Joe McGinnity | Second | 5½ out |
| Monday, May 22 |
| » Lost to Giants (24-6), 2-1 | Polo Grounds IV (1-3) | 18-13 | Lost 3 |
| » Starters: Patsy Flaherty vs Red Ames | Second | 6½ out |
| Tuesday, May 23 |
| » Lost to Braves (12-18), 1-0 | South End Grounds III (0-1) | 18-14 | Lost 4 |
| » Starters: Deacon Phillippe vs Irv Young | Second | 7½ out |
| Wednesday, May 24 |
| » Defeated Braves (12-19), 11-1 | South End Grounds III (1-1) | 19-14 | |
| » Starters: Sam Leever vs Jake Volz | Second | 6½ out |
| Thursday, May 25 |
| » Lost to Braves (13-19), 6-2 | South End Grounds III (1-2) | 19-15 | |
| » Starters: Charlie Case vs Kaiser Wilhelm | Second | 6½ out |
| Saturday, May 27 |
| » Defeated Reds (15-18), 8-3 | Exposition Park III (7-2) | 20-15 | |
| » Starters: Jack Harper vs Patsy Flaherty | Second | 7 out |
| Sunday, May 28 |
| » Lost to Reds (16-18), 12-3 | Palace of the Fans (4-2) | 20-16 | |
| » Starters: Deacon Phillippe vs Orval Overall | Second | 7½ out |
| Monday, May 29 |
| » Lost to Cardinals (15-20), 6-3 | Exposition Park III (7-3) | 20-17 | Lost 2 |
| » Starters: Chappie McFarland vs Chick Robitaille | Second | 8½ out |
| Tuesday, May 30 |
| » Defeated Cardinals (15-21), 6-0 | Exposition Park III (8-3) | 21-17 | |
| » Starters: Kid Nichols vs Charlie Case | Second | 7½ out |
| » Defeated Cardinals (15-22), 9-5 | Exposition Park III (9-3) | 22-17 | Won 2 |
| » Starters: Jack Taylor vs Sam Leever | Second | 7½ out |
| Wednesday, May 31 |
| » Defeated Cardinals (15-23), 10-9 | Exposition Park III (10-3) | 23-17 | Won 3 |
| » Starters: Win Kellum vs Patsy Flaherty | Second | 7½ out |
| Thursday, June 1 |
| » Defeated Cubs (20-22), 4-0 | Exposition Park III (11-3) | 24-17 | Won 4 |
| » Starters: Jake Weimer vs Charlie Case | Second | 7½ out |
| Saturday, June 3 |
| » Lost to Cubs (21-22), 4-0 | Exposition Park III (11-4) | 24-18 | |
| » Starters: Ed Reulbach vs Chick Robitaille | Third | 8½ out |
| Sunday, June 4 |
| » Defeated Cubs (21-23), 8-2 | West Side Grounds (1-2) | 25-18 | |
| » Starters: Patsy Flaherty vs Bob Wicker | Second | 7½ out |
| » Defeated Cubs (21-24), 5-4 | West Side Grounds (2-2) | 26-18 | Won 2 |
| » Starters: Charlie Case vs Carl Lundgren | Second | 7½ out |
| Monday, June 5 |
| » Lost to Cubs (22-24), 4-3 | West Side Grounds (2-3) | 26-19 | |
| » Starters: Sam Leever vs Big Jeff Pfeffer | Third | 8½ out |
| Tuesday, June 6 |
| » Defeated Phillies (23-17), 5-4 | Exposition Park III (12-4) | 27-19 | |
| » Starters: Bill Duggleby vs Chick Robitaille | Second | 8 out |
| Wednesday, June 7 |
| » Lost to Giants (35-10), 5-3 | Exposition Park III (12-5) | 27-20 | |
| » Starters: Christy Mathewson vs Patsy Flaherty | Third | 9 out |
| Thursday, June 8 |
| » Defeated Giants (35-11), 4-1 | Exposition Park III (13-5) | 28-20 | |
| » Starters: Red Ames vs Charlie Case | Third | 8 out |
| Friday, June 9 |
| » Defeated Giants (35-12), 12-6 | Exposition Park III (14-5) | 29-20 | Won 2 |
| » Starters: Joe McGinnity vs Sam Leever | Third | 7 out |
| Saturday, June 10 |
| » Lost to Giants (36-12), 5-0 | Exposition Park III (14-6) | 29-21 | |
| » Starters: Dummy Taylor vs Mike Lynch | Third | 8 out |
| Future Pirate Danny MacFayden is born in North Truro, MA. |
| Monday, June 12 |
| » Lost to Braves (16-32), 4-3 | Exposition Park III (14-7) | 29-22 | Lost 2 |
| » Starters: Irv Young vs Charlie Case | Third | 7½ out |
| Tuesday, June 13 |
| » Defeated Braves (16-33), 6-0 | Exposition Park III (15-7) | 30-22 | |
| » Starters: Vic Willis vs Deacon Phillippe | Third | 7½ out |
| Wednesday, June 14 |
| » Lost to Braves (17-33), 5-3 | Exposition Park III (15-8) | 30-23 | |
| » Starters: Vic Willis vs Mike Lynch | Third | 7½ out |
| Thursday, June 15 |
| » Lost to Phillies (29-20), 7-0 | Exposition Park III (15-9) | 30-24 | Lost 2 |
| » Starters: Togie Pittinger vs Sam Leever | Third | 7½ out |
| Friday, June 16 |
| » Defeated Phillies (29-21), 5-4 | Exposition Park III (16-9) | 31-24 | |
| » Starters: Bill Duggleby vs Charlie Case | Third | 7½ out |
| Saturday, June 17 |
| » Defeated Phillies (29-22), 3-2 | Exposition Park III (17-9) | 32-24 | Won 2 |
| » Starters: Frank Corridon vs Deacon Phillippe | Second | 7½ out |
| Monday, June 19 |
| » Defeated Dodgers (16-40), 7-2 | Exposition Park III (18-9) | 33-24 | Won 3 |
| » Starters: Mal Eason vs Sam Leever | Second | 6 out |
| Tuesday, June 20 |
| » Lost to Dodgers (17-40), 9-2 | Exposition Park III (18-10) | 33-25 | |
| » Starters: Oscar Jones vs Charlie Case | Second | 7 out |
| Wednesday, June 21 |
| » Defeated Dodgers (17-41), 4-2 | Exposition Park III (19-10) | 34-25 | |
| » Starters: Harry McIntire vs Deacon Phillippe | Second | 7 out |
| Friday, June 23 |
| » Defeated Dodgers (17-42), 5-1 | Exposition Park III (20-10) | 35-25 | Won 2 |
| » Starters: Elmer Stricklett vs Patsy Flaherty | Second | 7 out |
| Saturday, June 24 |
| » Lost to Reds (33-27), 8-2 | Exposition Park III (20-11) | 35-26 | |
| » Starters: Tom Walker vs Sam Leever | Third | 8 out |
| Sunday, June 25 |
| » Defeated Cardinals (25-36), 5-0 | Robison Field (3-2) | 36-26 | |
| » Starters: Charlie Case vs Jake Thielman | Second | 7½ out |
| Tuesday, June 27 |
| » Defeated Cardinals (25-37), 4-2 | Robison Field (4-2) | 37-26 | Won 2 |
| » Starters: Deacon Phillippe vs Wish Egan | Second | 7½ out |
| » Defeated Cardinals (25-38), 9-4 | Robison Field (5-2) | 38-26 | Won 3 |
| » Starters: Patsy Flaherty vs Jake Thielman | Second | 7½ out |
| Wednesday, June 28 |
| » Defeated Cardinals (25-39), 2-1 | Robison Field (6-2) | 39-26 | Won 4 |
| » Starters: Chick Robitaille vs Jack Taylor | Second | 7½ out |
| Friday, June 30 |
| » Defeated Cardinals (25-40), 3-2 | Exposition Park III (21-11) | 40-26 | Won 5 |
| » Starters: Kid Nichols vs Charlie Case | Third | 7 out |
| Sunday, July 2 |
| » Lost to Reds (35-30), 4-1 | Palace of the Fans (4-3) | 40-27 | |
| » Starters: Deacon Phillippe vs Bob Ewing | Third | 8 out |
| » Major-league debuts: George Gibson (Pirates) |
| Monday, July 3 |
| » Defeated Reds (35-31), 4-3 | Exposition Park III (22-11) | 41-27 | |
| » Starters: Jack Harper vs Mike Lynch | Second | 8 out |
| Tuesday, July 4 |
| » Defeated Reds (35-32), 8-2 | Exposition Park III (23-11) | 42-27 | Won 2 |
| » Starters: Orval Overall vs Patsy Flaherty | Second | 7 out |
| » Defeated Reds (35-33), 8-1 | Exposition Park III (24-11) | 43-27 | Won 3 |
| » Starters: Orval Overall vs Sam Leever | Second | 7 out |
| Wednesday, July 5 |
| » Defeated Cubs (42-29), 8-3 | West Side Grounds (3-3) | 44-27 | Won 4 |
| » Starters: Charlie Case vs Jake Weimer | Second | 7 out |
| Thursday, July 6 |
| » Defeated Cubs (42-30), 5-2 | West Side Grounds (4-3) | 45-27 | Won 5 |
| » Starters: Deacon Phillippe vs Ed Reulbach | Second | 7 out |
| Saturday, July 8 |
| » Lost to Cubs (43-30), 8-1 | West Side Grounds (4-4) | 45-28 | |
| » Starters: Mike Lynch vs Mordecai Brown | Second | 6½ out |
| » Defeated Cubs (43-31), 5-1 | West Side Grounds (5-4) | 46-28 | |
| » Starters: Sam Leever vs Buttons Briggs | Second | 6½ out |
| Sunday, July 9 |
| » Tied Cubs, 2-2 | West Side Grounds (5-4) | 46-28 | |
| » Starters: Patsy Flaherty vs Bob Wicker | Second | 6½ out |
| Monday, July 10 |
| » Lost to Cubs (44-31), 4-1 | Exposition Park III (24-12) | 46-29 | |
| » Starters: Jake Weimer vs Charlie Case | Second | 7 out |
| Tuesday, July 11 |
| » Defeated Dodgers (22-52), 11-2 | Washington Park III (3-2) | 47-29 | |
| » Starters: Deacon Phillippe vs Oscar Jones | Second | 7 out |
| Wednesday, July 12 |
| » Lost to Dodgers (23-52), 8-6 | Washington Park III (3-3) | 47-30 | |
| » Starters: Sam Leever vs Mal Eason | Second | 7 out |
| Thursday, July 13 |
| » Defeated Dodgers (23-53), 5-3 | Washington Park III (4-3) | 48-30 | |
| » Starters: Charlie Case vs Harry McIntire | Second | 7 out |
| Friday, July 14 |
| » Defeated Dodgers (23-54), 4-2 | Washington Park III (5-3) | 49-30 | Won 2 |
| » Starters: Charlie Case vs Elmer Stricklett | Second | 7 out |
| Saturday, July 15 |
| » Lost to Giants (56-22), 8-7 | Polo Grounds IV (1-4) | 49-31 | |
| » Starters: Sam Leever vs Joe McGinnity | Second | 8 out |
| Monday, July 17 |
| » Defeated Giants (56-23), 3-0 | Polo Grounds IV (2-4) | 50-31 | |
| » Starters: Deacon Phillippe vs Red Ames | Second | 7 out |
| Tuesday, July 18 |
| » Defeated Giants (56-24), 2-1 | Polo Grounds IV (3-4) | 51-31 | Won 2 |
| » Starters: Charlie Case vs Christy Mathewson | Second | 6 out |
| Wednesday, July 19 |
| » Defeated Giants (56-25), 8-5 | Polo Grounds IV (4-4) | 52-31 | Won 3 |
| » Starters: Patsy Flaherty vs Dummy Taylor | Second | 5 out |
| Thursday, July 20 |
| » Defeated Phillies (48-34), 7-5 | Baker Bowl (4-1) | 53-31 | Won 4 |
| » Starters: Deacon Phillippe vs Frank Corridon | Second | 5½ out |
| Friday, July 21 |
| » Defeated Phillies (48-35), 7-3 | Baker Bowl (5-1) | 54-31 | Won 5 |
| » Starters: Homer Hillebrand vs Jack Sutthoff | Second | 6 out |
| » Lost to Phillies (49-35), 5-1 | Baker Bowl (5-2) | 54-32 | |
| » Starters: Charlie Case vs Kid Nichols | Second | 6 out |
| Monday, July 24 |
| » Lost to Braves (29-58), 8-1 | South End Grounds III (1-3) | 54-33 | Lost 2 |
| » Starters: Mike Lynch vs Irv Young | Second | 7½ out |
| Tuesday, July 25 |
| » Defeated Braves (29-59), 7-0 | South End Grounds III (2-3) | 55-33 | |
| » Starters: Deacon Phillippe vs Chick Fraser | Second | 7½ out |
| Wednesday, July 26 |
| » Defeated Braves (29-60), 8-2 | South End Grounds III (3-3) | 56-33 | Won 2 |
| » Starters: Homer Hillebrand vs Vic Willis | Second | 7½ out |
| Thursday, July 27 |
| » Defeated Braves (29-61), 2-1 | South End Grounds III (4-3) | 57-33 | Won 3 |
| » Starters: Sam Leever vs Irv Young | Second | 7½ out |
| Saturday, July 29 |
| » Defeated Dodgers (27-62), 13-0 | Exposition Park III (25-12) | 58-33 | Won 4 |
| » Starters: Harry McIntire vs Deacon Phillippe | Second | 7½ out |
| Sunday, July 30 |
| Future Pirate Hal Finney is born in Lafayette, AL. |
| Monday, July 31 |
| » Lost to Dodgers (28-62), 1-0 | Exposition Park III (25-13) | 58-34 | |
| » Starters: Doc Scanlan vs Charlie Case | Second | 9 out |
| Wednesday, August 2 |
| » Lost to Giants (69-25), 3-1 | Exposition Park III (25-14) | 58-35 | Lost 2 |
| » Starters: Christy Mathewson vs Deacon Phillippe | Second | 10½ out |
| Thursday, August 3 |
| » Defeated Giants (69-26), 10-4 | Exposition Park III (26-14) | 59-35 | |
| » Starters: Joe McGinnity vs Sam Leever | Second | 9½ out |
| Friday, August 4 |
| » Defeated Giants (69-27), 7-5 | Exposition Park III (27-14) | 60-35 | Won 2 |
| » Starters: Red Ames vs Homer Hillebrand | Second | 8½ out |
| Saturday, August 5 |
| » New York forfeited to Pittsburgh. | Exposition Park III (28-14) | 61-35 | Won 3 |
| » Starters: Christy Mathewson vs Charlie Case | Second | 8½ out |
| Monday, August 7 |
| » Lost to Braves (32-69), 3-0 | Exposition Park III (28-15) | 61-36 | |
| » Starters: Vic Willis vs Patsy Flaherty | Second | 8 out |
| » Defeated Braves (32-70), 3-2 | Exposition Park III (29-15) | 62-36 | |
| » Starters: Chick Fraser vs Deacon Phillippe | Second | 8 out |
| Tuesday, August 8 |
| » Defeated Braves (32-71), 5-4 | Exposition Park III (30-15) | 63-36 | Won 2 |
| » Starters: Kaiser Wilhelm vs Sam Leever | Second | 8 out |
| Wednesday, August 9 |
| » Lost to Braves (33-71), 5-3 | Exposition Park III (30-16) | 63-37 | |
| » Starters: Irv Young vs Homer Hillebrand | Second | 8 out |
| Thursday, August 10 |
| » Lost to Braves (34-71), 7-4 | Exposition Park III (30-17) | 63-38 | Lost 2 |
| » Starters: Vic Willis vs Charlie Case | Second | 9 out |
| Friday, August 11 |
| » Defeated Phillies (58-44), 1-0 | Exposition Park III (31-17) | 64-38 | |
| » Starters: Tully Sparks vs Deacon Phillippe | Second | 9 out |
| Saturday, August 12 |
| » Defeated Phillies (58-45), 8-3 | Exposition Park III (32-17) | 65-38 | Won 2 |
| » Starters: Togie Pittinger vs Mike Lynch | Second | 9 out |
| Monday, August 14 |
| » Defeated Phillies (58-46), 5-0 | Exposition Park III (33-17) | 66-38 | Won 3 |
| » Starters: Frank Corridon vs Sam Leever | Second | 8½ out |
| Tuesday, August 15 |
| » Lost to Phillies (59-46), 3-1 | Exposition Park III (33-18) | 66-39 | |
| » Starters: Kid Nichols vs Charlie Case | Second | 9 out |
| Wednesday, August 16 |
| » Lost to Dodgers (33-71), 10-5 | Exposition Park III (33-19) | 66-40 | Lost 2 |
| » Starters: Fred Mitchell vs Patsy Flaherty | Second | 9 out |
| » Defeated Dodgers (33-72), 6-4 | Exposition Park III (34-19) | 67-40 | |
| » Starters: Elmer Stricklett vs Deacon Phillippe | Second | 9 out |
| Thursday, August 17 |
| » Defeated Dodgers (33-73), 5-4 | Washington Park III (6-3) | 68-40 | Won 2 |
| » Starters: Mike Lynch vs Doc Scanlan | Second | 9 out |
| Friday, August 18 |
| » Defeated Dodgers (33-74), 2-1 | Washington Park III (7-3) | 69-40 | Won 3 |
| » Starters: Sam Leever vs Harry McIntire | Second | 9 out |
| Saturday, August 19 |
| » Lost to Dodgers (34-74), 3-2 | Washington Park III (7-4) | 69-41 | |
| » Starters: Homer Hillebrand vs Oscar Jones | Second | 9 out |
| Monday, August 21 |
| » Lost to Giants (77-31), 10-2 | Polo Grounds IV (4-5) | 69-42 | Lost 2 |
| » Starters: Deacon Phillippe vs Christy Mathewson | Second | 10 out |
| Tuesday, August 22 |
| » Defeated Giants (77-32), 5-1 | Polo Grounds IV (5-5) | 70-42 | |
| » Starters: Mike Lynch vs Dummy Taylor | Second | 9 out |
| Wednesday, August 23 |
| » Lost to Giants (78-32), 7-2 | Polo Grounds IV (5-6) | 70-43 | |
| » Starters: Sam Leever vs Joe McGinnity | Second | 10 out |
| Thursday, August 24 |
| » Defeated Braves (38-78), 6-1 | South End Grounds III (5-3) | 71-43 | |
| » Starters: Deacon Phillippe vs Irv Young | Second | 9½ out |
| » Defeated Braves (38-79), 7-4 | South End Grounds III (6-3) | 72-43 | Won 2 |
| » Starters: Patsy Flaherty vs Vic Willis | Second | 9½ out |
| » Major-league debuts: Jim Wallace (Pirates) |
| Friday, August 25 |
| » Defeated Braves (38-80), 5-4 | South End Grounds III (7-3) | 73-43 | Won 3 |
| » Starters: Mike Lynch vs Kaiser Wilhelm | Second | 9 out |
| Saturday, August 26 |
| » Defeated Braves (38-81), 4-0 | South End Grounds III (8-3) | 74-43 | Won 4 |
| » Starters: Sam Leever vs Chick Fraser | Second | 9½ out |
| Monday, August 28 |
| » Defeated Phillies (62-53), 4-2 | Baker Bowl (6-2) | 75-43 | Won 5 |
| » Starters: Deacon Phillippe vs Togie Pittinger | Second | 9½ out |
| Tuesday, August 29 |
| » Defeated Phillies (62-54), 3-2 | Baker Bowl (7-2) | 76-43 | Won 6 |
| » Starters: Mike Lynch vs Tully Sparks | Second | 9 out |
| » Defeated Phillies (62-55), 6-5 | Baker Bowl (8-2) | 77-43 | Won 7 |
| » Starters: Chick Robitaille vs Frank Corridon | Second | 9 out |
| Thursday, August 31 |
| » Defeated Cardinals (46-75), 2-1 | Exposition Park III (35-19) | 78-43 | Won 8 |
| » Starters: Buster Brown vs Deacon Phillippe | Second | 7½ out |
| » Defeated Cardinals (46-76), 10-6 | Exposition Park III (36-19) | 79-43 | Won 9 |
| » Starters: Jake Thielman vs Patsy Flaherty | Second | 7½ out |
| Friday, September 1 |
| » Defeated Cardinals (46-77), 6-0 | Exposition Park III (37-19) | 80-43 | Won 10 |
| » Starters: Chappie McFarland vs Sam Leever | Second | 7½ out |
| » Major-league debuts: Bob Ganley (Pirates) |
| Saturday, September 2 |
| » Defeated Cardinals (46-78), 5-4 | Exposition Park III (38-19) | 81-43 | Won 11 |
| » Starters: Jack Taylor vs Mike Lynch | Second | 7 out |
| Sunday, September 3 |
| » Lost to Cubs (73-50), 1-0 | West Side Grounds (5-5) | 81-44 | |
| » Starters: Deacon Phillippe vs Bob Wicker | Second | 7 out |
| » Defeated Cubs (73-51), 1-0 | West Side Grounds (6-5) | 82-44 | |
| » Starters: Lefty Leifield vs Jake Weimer | Second | 7 out |
| » Major-league debuts: Lefty Leifield (Pirates) |
| Monday, September 4 |
| » Defeated Cubs (73-52), 3-2 | Exposition Park III (39-19) | 83-44 | Won 2 |
| » Starters: Buttons Briggs vs Sam Leever | Second | 7 out |
| » Defeated Cubs (73-53), 4-3 | Exposition Park III (40-19) | 84-44 | Won 3 |
| » Starters: Mordecai Brown vs Homer Hillebrand | Second | 7 out |
| Tuesday, September 5 |
| » Defeated Cubs (73-54), 6-4 | Exposition Park III (41-19) | 85-44 | Won 4 |
| » Starters: Ed Reulbach vs Mike Lynch | Second | 6½ out |
| Thursday, September 7 |
| » Defeated Reds (62-64), 11-7 | Exposition Park III (42-19) | 86-44 | Won 5 |
| » Starters: Orval Overall vs Lefty Leifield | Second | 6 out |
| Friday, September 8 |
| » Lost to Reds (63-64), 8-3 | Exposition Park III (42-20) | 86-45 | |
| » Starters: Charlie Chech vs Deacon Phillippe | Second | 7 out |
| Saturday, September 9 |
| » Defeated Reds (63-65), 12-5 | Exposition Park III (43-20) | 87-45 | |
| » Starters: Bob Ewing vs Sam Leever | Second | 6½ out |
| Sunday, September 10 |
| » Defeated Cardinals (50-81), 5-3 | Robison Field (7-2) | 88-45 | Won 2 |
| » Starters: Lefty Leifield vs Jake Thielman | Second | 6 out |
| Former Pirate Pete Browning dies in Louisville, KY at the age of 45. |
| Monday, September 11 |
| Future Pirate Glenn Spencer is born in Corning, NY. |
| Tuesday, September 12 |
| » Defeated Cardinals (50-82), 8-2 | Robison Field (8-2) | 89-45 | Won 3 |
| » Starters: Mike Lynch vs Chappie McFarland | Second | 6 out |
| » Lost to Cardinals (51-82), 2-1 | Robison Field (8-3) | 89-46 | |
| » Starters: Deacon Phillippe vs Jack Taylor | Second | 6 out |
| Friday, September 15 |
| » Defeated Reds (65-67), 8-7 | Palace of the Fans (5-3) | 90-46 | |
| » Starters: Sam Leever vs Orval Overall | Second | 6½ out |
| Saturday, September 16 |
| » Lost to Reds (66-67), 6-0 | Palace of the Fans (5-4) | 90-47 | |
| » Starters: Mike Lynch vs Bob Ewing | Second | 8 out |
| » Major-league debuts: Ed Kinsella (Pirates) |
| Thursday, September 21 |
| » Lost to Phillies (75-61), 8-3 | Exposition Park III (43-21) | 90-48 | Lost 2 |
| » Starters: Togie Pittinger vs Deacon Phillippe | Second | 8 out |
| » Defeated Phillies (75-62), 6-1 | Exposition Park III (44-21) | 91-48 | |
| » Starters: King Brady vs Mike Lynch | Second | 8 out |
| » Major-league debuts: King Brady (Phillies) |
| Friday, September 22 |
| » Defeated Phillies (75-63), 6-5 | Exposition Park III (45-21) | 92-48 | Won 2 |
| » Starters: Bill Duggleby vs Lefty Leifield | Second | 7 out |
| Saturday, September 23 |
| » Lost to Phillies (76-63), 2-0 | Exposition Park III (45-22) | 92-49 | |
| » Starters: Kid Nichols vs Charlie Case | Second | 7 out |
| Sunday, September 24 |
| » Major-league debuts: Bill Hinchman and Mike Mowrey (Reds) |
| Monday, September 25 |
| » Lost to Giants (97-41), 10-4 | Exposition Park III (45-23) | 92-50 | Lost 2 |
| » Starters: Christy Mathewson vs Deacon Phillippe | Second | 7½ out |
| Tuesday, September 26 |
| » Lost to Giants (98-41), 9-5 | Exposition Park III (45-24) | 92-51 | Lost 3 |
| » Starters: Red Ames vs Mike Lynch | Second | 8½ out |
| Wednesday, September 27 |
| » Lost to Giants (99-41), 5-3 | Exposition Park III (45-25) | 92-52 | Lost 4 |
| » Starters: Hooks Wiltse vs Lefty Leifield | Second | 9½ out |
| Thursday, September 28 |
| » Defeated Dodgers (41-101), 10-4 | Exposition Park III (46-25) | 93-52 | |
| » Starters: Elmer Stricklett vs Deacon Phillippe | Second | 8½ out |
| Saturday, September 30 |
| » Defeated Dodgers (41-102), 8-3 | Exposition Park III (47-25) | 94-52 | Won 2 |
| » Starters: Mal Eason vs Charlie Case | Second | 9½ out |
| » Tied Dodgers, 2-2 | Exposition Park III (47-25) | 94-52 | |
| » Starters: Harry McIntire vs Ed Kinsella | Second | 9½ out |
| Tuesday, October 3 |
| » Defeated Braves (49-98), 10-2 | Exposition Park III (48-25) | 95-52 | Won 3 |
| » Starters: Irv Young vs Mike Lynch | Second | 8 out |
| » Defeated Braves (49-99), 4-3 | Exposition Park III (49-25) | 96-52 | Won 4 |
| » Starters: Vic Willis vs Lefty Leifield | Second | 8 out |
| » Major-league debuts: Otto Knabe (Pirates) |
| Future Pirate Johnny Riddle is born in Clinton, SC. |
| Wednesday, October 4 |
| » Lost to Braves (50-99), 1-0 | Exposition Park III (49-26) | 96-53 | |
| » Starters: Chick Fraser vs Charlie Case | Second | 8½ out |
| Friday, October 6 |
| » Lost to Cubs (89-61), 7-3 | Exposition Park III (49-27) | 96-54 | Lost 2 |
| » Starters: Jake Weimer vs Mike Lynch | Second | 8½ out |
| Saturday, October 7 |
| » Lost to Cubs (90-61), 2-1 | Exposition Park III (49-28) | 96-55 | Lost 3 |
| » Starters: Ed Reulbach vs Lefty Leifield | Second | 9 out |
| Sunday, October 8 |
| » Lost to Reds (78-74), 3-1 | Palace of the Fans (5-5) | 96-56 | Lost 4 |
| » Starters: Charlie Case vs Orval Overall | Second | 10 out |
| » Lost to Reds (79-74), 4-1 | Palace of the Fans (5-6) | 96-57 | Lost 5 |
| » Starters: Ed Kinsella vs Bob Ewing | Second | 10 out |
| Tuesday, November 21 |
| Future Pirate Freddie Lindstrom is born in Chicago, IL. |
| Saturday, December 9 |
| Future Pirate Adam Comorosky is born in Swoyersville, PA. |
Game information provided by Retrosheet (www.retrosheet.org) |
