| Friday, January 10 |
| Future Pirate Bill Swift is born in Elmira, NY. |
| Wednesday, April 15 |
| » Defeated Cardinals (0-1), 3-1 | Robison Field (1-0) | 1-0 | |
| » Starters: Howie Camnitz vs Johnny Lush | First | -- |
| » Major-league debuts: Owen Wilson (Pirates) |
| Thursday, April 16 |
| » Defeated Cardinals (0-2), 9-6 | Robison Field (2-0) | 2-0 | Won 2 |
| » Starters: Nick Maddox vs Art Fromme | First | -- |
| » Major-league debuts: Bill Ludwig and Slim Sallee (Cardinals) |
| Friday, April 17 |
| » Defeated Cardinals (0-3), 3-0 | Robison Field (3-0) | 3-0 | Won 3 |
| » Starters: Sam Leever vs Fred Beebe | First | -- |
| Sunday, April 19 |
| » Lost to Reds (1-3), 4-3 | Palace of the Fans (0-1) | 3-1 | |
| » Starters: Howie Camnitz vs Bob Ewing | Second | ½ out |
| » Major-league debuts: Beals Becker (Pirates) |
| Future Pirate Babe Phelps is born in Odenton, MD. |
| Monday, April 20 |
| » Lost to Reds (2-3), 2-1 | Palace of the Fans (0-2) | 3-2 | Lost 2 |
| » Starters: Lefty Leifield vs Billy Campbell | Third | 1½ out |
| Tuesday, April 21 |
| » Lost to Reds (3-3), 9-4 | Palace of the Fans (0-3) | 3-3 | Lost 3 |
| » Starters: Sam Leever vs Jake Weimer | Second | 2 out |
| » Major-league debuts: Harley Young (Pirates) |
| Wednesday, April 22 |
| » Defeated Cardinals (1-6), 5-1 | Exposition Park III (1-0) | 4-3 | |
| » Starters: Stoney McGlynn vs Howie Camnitz | Second | 2 out |
| Thursday, April 23 |
| » Defeated Cardinals (1-7), 1-0 | Exposition Park III (2-0) | 5-3 | Won 2 |
| » Starters: Johnny Lush vs Lefty Leifield | Third | 2 out |
| Friday, April 24 |
| » Lost to Cardinals (2-7), 3-0 | Exposition Park III (2-1) | 5-4 | |
| » Starters: Bugs Raymond vs Harley Young | Third | 2 out |
| Saturday, April 25 |
| » Defeated Cardinals (2-8), 3-2 | Exposition Park III (3-1) | 6-4 | |
| » Starters: Irv Higginbotham vs Sam Leever | Second | 1½ out |
| Wednesday, April 29 |
| » Defeated Cubs (7-3), 2-1 | West Side Grounds (1-0) | 7-4 | Won 2 |
| » Starters: Howie Camnitz vs Jack Pfiester | Second | ½ out |
| Sunday, May 3 |
| » Defeated Reds (5-7), 1-0 | Palace of the Fans (1-3) | 8-4 | Won 3 |
| » Starters: Vic Willis vs Billy Campbell | Second | 2 out |
| Tuesday, May 5 |
| » Major-league debuts: Bill Foxen (Phillies) |
| Wednesday, May 6 |
| » Defeated Cubs (11-4), 5-2 | Exposition Park III (4-1) | 9-4 | Won 4 |
| » Starters: Carl Lundgren vs Lefty Leifield | Second | 1 out |
| Saturday, May 9 |
| » Lost to Cubs (12-4), 1-0 | Exposition Park III (4-2) | 9-5 | |
| » Starters: Chick Fraser vs Howie Camnitz | Second | 2 out |
| Sunday, May 10 |
| » Lost to Cubs (13-4), 6-2 | West Side Grounds (1-1) | 9-6 | Lost 2 |
| » Starters: Lefty Leifield vs Mordecai Brown | Second | 2 out |
| » Defeated Cubs (13-5), 1-0 | West Side Grounds (2-1) | 10-6 | |
| » Starters: Vic Willis vs Jack Pfiester | Second | 2 out |
| Monday, May 11 |
| » Defeated Giants (11-8), 5-2 | Exposition Park III (5-2) | 11-6 | Won 2 |
| » Starters: Joe McGinnity vs Sam Leever | Second | 1½ out |
| Tuesday, May 12 |
| » Lost to Giants (12-8), 8-2 | Exposition Park III (5-3) | 11-7 | |
| » Starters: Hooks Wiltse vs Nick Maddox | Second | 1½ out |
| Wednesday, May 13 |
| » Defeated Giants (12-9), 5-1 | Exposition Park III (6-3) | 12-7 | |
| » Starters: Christy Mathewson vs Howie Camnitz | Second | 1 out |
| Friday, May 15 |
| » Lost to Phillies (12-9), 11-0 | Exposition Park III (6-4) | 12-8 | |
| » Starters: George McQuillan vs Vic Willis | Second | 1 out |
| Saturday, May 16 |
| » Lost to Phillies (13-9), 9-0 | Exposition Park III (6-5) | 12-9 | Lost 2 |
| » Starters: Lew Moren vs Sam Leever | Third | 2 out |
| Monday, May 18 |
| » Defeated Phillies (13-10), 2-0 | Exposition Park III (7-5) | 13-9 | |
| » Starters: Lew Richie vs Howie Camnitz | Second | 2 out |
| Wednesday, May 20 |
| » Lost to Dodgers (10-18), 2-1 | Exposition Park III (7-6) | 13-10 | |
| » Starters: Harry McIntire vs Vic Willis | Second | 3 out |
| Friday, May 22 |
| » Lost to Dodgers (11-18), 5-3 | Exposition Park III (7-7) | 13-11 | Lost 2 |
| » Starters: Kaiser Wilhelm vs Howie Camnitz | Second | 3½ out |
| Saturday, May 23 |
| » Lost to Dodgers (12-18), 5-0 | Exposition Park III (7-8) | 13-12 | Lost 3 |
| » Starters: Jim Pastorius vs Sam Leever | Third | 4½ out |
| Monday, May 25 |
| » Defeated Braves (15-17), 3-2 | Exposition Park III (8-8) | 14-12 | |
| » Starters: George Ferguson vs Howie Camnitz | Third | 4 out |
| Tuesday, May 26 |
| » Defeated Braves (15-18), 8-1 | Exposition Park III (9-8) | 15-12 | Won 2 |
| » Starters: Gus Dorner vs Vic Willis | Second | 3 out |
| Wednesday, May 27 |
| » Lost to Braves (16-18), 5-2 | Exposition Park III (9-9) | 15-13 | |
| » Starters: Patsy Flaherty vs Harley Young | Third | 3 out |
| Thursday, May 28 |
| » Lost to Braves (17-18), 3-1 | Exposition Park III (9-10) | 15-14 | Lost 2 |
| » Starters: Vive Lindaman vs Lefty Leifield | Fourth | 4 out |
| Friday, May 29 |
| » Lost to Reds (18-14), 5-1 | Exposition Park III (9-11) | 15-15 | Lost 3 |
| » Starters: Billy Campbell vs Vic Willis | Fifth | 4 out |
| Saturday, May 30 |
| » Defeated Reds (18-15), 1-0 | Exposition Park III (10-11) | 16-15 | |
| » Starters: Andy Coakley vs Nick Maddox | Fourth | 4 out |
| » Defeated Reds (18-16), 4-1 | Exposition Park III (11-11) | 17-15 | Won 2 |
| » Starters: Jake Weimer vs Sam Leever | Fourth | 4 out |
| Sunday, May 31 |
| » Lost to Cubs (23-12), 6-3 | West Side Grounds (2-2) | 17-16 | |
| » Starters: Vic Willis vs Jack Pfiester | Fourth | 4 out |
| » Defeated Cubs (23-13), 13-3 | West Side Grounds (3-2) | 18-16 | |
| » Starters: Tom McCarthy vs Chick Fraser | Fourth | 4 out |
| Monday, June 1 |
| » Defeated Cubs (23-14), 8-6 | West Side Grounds (4-2) | 19-16 | Won 2 |
| » Starters: Nick Maddox vs Chick Fraser | Third | 3 out |
| Tuesday, June 2 |
| » Defeated Cubs (23-15), 12-6 | West Side Grounds (5-2) | 20-16 | Won 3 |
| » Starters: Vic Willis vs Carl Lundgren | Second | 2 out |
| Wednesday, June 3 |
| » Lost to Cardinals (17-26), 8-4 | Exposition Park III (11-12) | 20-17 | |
| » Starters: Bugs Raymond vs Harley Young | Second | 2½ out |
| Thursday, June 4 |
| » Defeated Phillies (18-17), 6-3 | Baker Bowl (1-0) | 21-17 | |
| » Starters: Howie Camnitz vs Lew Moren | Second | 2 out |
| Future Pirate Bob Klinger is born in Allenton, MO. |
| Friday, June 5 |
| » Lost to Phillies (19-17), 4-1 | Baker Bowl (1-1) | 21-18 | |
| » Starters: Nick Maddox vs George McQuillan | Third | 3 out |
| Saturday, June 6 |
| » Defeated Phillies (19-18), 5-2 | Baker Bowl (2-1) | 22-18 | |
| » Starters: Sam Leever vs Tully Sparks | Third | 3 out |
| Monday, June 8 |
| » Defeated Phillies (19-19), 5-0 | Baker Bowl (3-1) | 23-18 | Won 2 |
| » Starters: Vic Willis vs Lew Moren | Third | 3 out |
| Tuesday, June 9 |
| » Lost to Giants (23-20), 8-2 | Polo Grounds IV (0-1) | 23-19 | |
| » Starters: Howie Camnitz vs Doc Crandall | Third | 4 out |
| Wednesday, June 10 |
| » Defeated Giants (23-21), 1-0 | Polo Grounds IV (1-1) | 24-19 | |
| » Starters: Sam Leever vs Hooks Wiltse | Third | 3 out |
| Thursday, June 11 |
| » Defeated Giants (23-22), 5-2 | Polo Grounds IV (2-1) | 25-19 | Won 2 |
| » Starters: Vic Willis vs Christy Mathewson | Third | 3 out |
| Friday, June 12 |
| » Defeated Giants (23-23), 4-0 | Polo Grounds IV (3-1) | 26-19 | Won 3 |
| » Starters: Nick Maddox vs Dummy Taylor | Second | 3 out |
| Saturday, June 13 |
| » Lost to Braves (22-25), 5-3 | South End Grounds III (0-1) | 26-20 | |
| » Starters: Howie Camnitz vs Patsy Flaherty | Second | 4 out |
| Monday, June 15 |
| » Defeated Braves (22-26), 5-3 | South End Grounds III (1-1) | 27-20 | |
| » Starters: Sam Leever vs Vive Lindaman | Second | 3½ out |
| Tuesday, June 16 |
| » Defeated Braves (22-27), 6-1 | South End Grounds III (2-1) | 28-20 | Won 2 |
| » Starters: Vic Willis vs Gus Dorner | Second | 2½ out |
| Wednesday, June 17 |
| » Defeated Braves (22-28), 14-4 | South End Grounds III (3-1) | 29-20 | Won 3 |
| » Starters: Nick Maddox vs George Ferguson | Second | 2 out |
| » Defeated Braves (22-29), 4-2 | South End Grounds III (4-1) | 30-20 | Won 4 |
| » Starters: Lefty Leifield vs Jake Boultes | Second | 2 out |
| Thursday, June 18 |
| » Defeated Dodgers (18-32), 8-6 | Washington Park III (1-0) | 31-20 | Won 5 |
| » Starters: Howie Camnitz vs Harry McIntire | Second | 2 out |
| Friday, June 19 |
| » Lost to Dodgers (19-32), 3-2 | Washington Park III (1-1) | 31-21 | |
| » Starters: Sam Leever vs Nap Rucker | Second | 2 out |
| Saturday, June 20 |
| » Defeated Dodgers (19-33), 2-1 | Washington Park III (2-1) | 32-21 | |
| » Starters: Irv Young vs Kaiser Wilhelm | Second | 1½ out |
| » Lost to Dodgers (20-33), 2-0 | Washington Park III (2-2) | 32-22 | |
| » Starters: Lefty Leifield vs Jim Pastorius | Second | 1½ out |
| Sunday, June 21 |
| » Defeated Reds (29-24), 5-1 | Palace of the Fans (2-3) | 33-22 | |
| » Starters: Vic Willis vs Bob Ewing | Second | 2 out |
| Monday, June 22 |
| » Lost to Reds (30-24), 4-0 | Exposition Park III (11-13) | 33-23 | |
| » Starters: Jake Weimer vs Nick Maddox | Second | 2 out |
| Tuesday, June 23 |
| » Defeated Reds (30-25), 3-0 | Exposition Park III (12-13) | 34-23 | |
| » Starters: Billy Campbell vs Sam Leever | Second | 3 out |
| » Lost to Reds (31-25), 7-3 | Exposition Park III (12-14) | 34-24 | |
| » Starters: Bob Spade vs Lefty Leifield | Second | 3 out |
| Wednesday, June 24 |
| » Defeated Reds (31-26), 5-3 | Exposition Park III (13-14) | 35-24 | |
| » Starters: Jake Weimer vs Vic Willis | Second | 3 out |
| Thursday, June 25 |
| » Defeated Cardinals (24-36), 4-3 | Robison Field (4-0) | 36-24 | Won 2 |
| » Starters: Howie Camnitz vs Johnny Lush | Second | 3 out |
| Friday, June 26 |
| » Defeated Cardinals (24-37), 10-1 | Robison Field (5-0) | 37-24 | Won 3 |
| » Starters: Nick Maddox vs Bugs Raymond | Second | 3 out |
| Future Pirate Debs Garms is born in Bangs, TX. |
| Saturday, June 27 |
| » Defeated Cardinals (24-38), 4-1 | Robison Field (6-0) | 38-24 | Won 4 |
| » Starters: Sam Leever vs Art Fromme | Second | 3 out |
| Sunday, June 28 |
| » Defeated Cardinals (24-39), 6-3 | Robison Field (7-0) | 39-24 | Won 5 |
| » Starters: Vic Willis vs Fred Beebe | Second | 3 out |
| » Defeated Cardinals (24-40), 4-1 | Robison Field (8-0) | 40-24 | Won 6 |
| » Starters: Howie Camnitz vs Irv Higginbotham | Second | 3 out |
| Thursday, July 2 |
| » Lost to Cubs (39-23), 3-0 | Exposition Park III (13-15) | 40-25 | |
| » Starters: Mordecai Brown vs Irv Young | First | -- |
| » Defeated Cubs (39-24), 9-4 | Exposition Park III (14-15) | 41-25 | |
| » Starters: Jack Pfiester vs Nick Maddox | First | -- |
| Friday, July 3 |
| » Defeated Cubs (39-25), 7-0 | Exposition Park III (15-15) | 42-25 | Won 2 |
| » Starters: Orval Overall vs Vic Willis | First | -- |
| Saturday, July 4 |
| » Lost to Cubs (40-25), 2-0 | Exposition Park III (15-16) | 42-26 | |
| » Starters: Mordecai Brown vs Sam Leever | Second | 1½ out |
| » Lost to Cubs (41-25), 9-3 | Exposition Park III (15-17) | 42-27 | Lost 2 |
| » Starters: Ed Reulbach vs Howie Camnitz | Second | 1½ out |
| Sunday, July 5 |
| » Defeated Cubs (41-26), 10-5 | West Side Grounds (6-2) | 43-27 | |
| » Starters: Irv Young vs Jack Pfiester | First | -- |
| Monday, July 6 |
| » Defeated Phillies (27-35), 2-1 | Exposition Park III (16-17) | 44-27 | Won 2 |
| » Starters: Bill Foxen vs Nick Maddox | First | -- |
| Future Pirate Cy Blanton is born in Waurika, OK. |
| Wednesday, July 8 |
| » Lost to Phillies (28-35), 4-1 | Exposition Park III (16-18) | 44-28 | |
| » Starters: George McQuillan vs Vic Willis | Second | 2 out |
| » Lost to Phillies (29-35), 8-5 | Exposition Park III (16-19) | 44-29 | Lost 2 |
| » Starters: Tully Sparks vs Lefty Leifield | Second | 2 out |
| Thursday, July 9 |
| » Lost to Phillies (30-35), 5-2 | Exposition Park III (16-20) | 44-30 | Lost 3 |
| » Starters: Lew Moren vs Nick Maddox | Second | 2 out |
| Friday, July 10 |
| » Defeated Giants (43-31), 7-6 | Exposition Park III (17-20) | 45-30 | |
| » Starters: Hooks Wiltse vs Irv Young | Second | 2 out |
| Saturday, July 11 |
| » Defeated Giants (43-32), 6-2 | Exposition Park III (18-20) | 46-30 | Won 2 |
| » Starters: Dummy Taylor vs Vic Willis | Second | 2 out |
| Monday, July 13 |
| » Lost to Giants (44-32), 7-0 | Exposition Park III (18-21) | 46-31 | |
| » Starters: Christy Mathewson vs Lefty Leifield | Second | 1½ out |
| » Lost to Giants (45-32), 7-4 | Exposition Park III (18-22) | 46-32 | Lost 2 |
| » Starters: Joe McGinnity vs Nick Maddox | Second | 1½ out |
| Wednesday, July 15 |
| » Defeated Braves (35-43), 3-2 | Exposition Park III (19-22) | 47-32 | |
| » Starters: Patsy Flaherty vs Sam Leever | First | -- |
| Thursday, July 16 |
| » Defeated Braves (35-44), 6-2 | Exposition Park III (20-22) | 48-32 | Won 2 |
| » Starters: Vive Lindaman vs Vic Willis | First | -- |
| Friday, July 17 |
| » Lost to Braves (36-44), 4-0 | Exposition Park III (20-23) | 48-33 | |
| » Starters: Tom McCarthy vs Howie Camnitz | First | -- |
| Saturday, July 18 |
| » Defeated Braves (36-45), 8-6 | Exposition Park III (21-23) | 49-33 | |
| » Starters: Gus Dorner vs Nick Maddox | First | -- |
| Monday, July 20 |
| » Defeated Dodgers (30-49), 6-3 | Exposition Park III (22-23) | 50-33 | Won 2 |
| » Starters: Harry McIntire vs Vic Willis | First | -- |
| Tuesday, July 21 |
| » Defeated Dodgers (30-50), 2-0 | Exposition Park III (23-23) | 51-33 | Won 3 |
| » Starters: Jim Pastorius vs Lefty Leifield | First | -- |
| Wednesday, July 22 |
| » Defeated Dodgers (30-51), 2-1 | Exposition Park III (24-23) | 52-33 | Won 4 |
| » Starters: Kaiser Wilhelm vs Howie Camnitz | First | -- |
| Thursday, July 23 |
| » Lost to Dodgers (31-51), 4-3 | Exposition Park III (24-24) | 52-34 | |
| » Starters: Nap Rucker vs Sam Leever | First | -- |
| Friday, July 24 |
| » Lost to Giants (50-35), 2-1 | Polo Grounds IV (3-2) | 52-35 | Lost 2 |
| » Starters: Vic Willis vs Hooks Wiltse | First | -- |
| Saturday, July 25 |
| » Defeated Giants (50-36), 7-2 | Polo Grounds IV (4-2) | 53-35 | |
| » Starters: Lefty Leifield vs Christy Mathewson | First | -- |
| Monday, July 27 |
| » Defeated Giants (50-37), 4-3 | Polo Grounds IV (5-2) | 54-35 | Won 2 |
| » Starters: Nick Maddox vs Doc Crandall | First | -- |
| Tuesday, July 28 |
| » Tied Giants, 2-2 | Polo Grounds IV (5-2) | 54-35 | |
| » Starters: Vic Willis vs Hooks Wiltse | First | -- |
| Wednesday, July 29 |
| » Defeated Dodgers (32-55), 5-0 | Washington Park III (3-2) | 55-35 | Won 3 |
| » Starters: Lefty Leifield vs Kaiser Wilhelm | First | -- |
| Thursday, July 30 |
| » Lost to Dodgers (33-55), 2-0 | Washington Park III (3-3) | 55-36 | |
| » Starters: Irv Young vs George Bell | First | -- |
| Friday, July 31 |
| » Defeated Dodgers (33-56), 6-2 | Washington Park III (4-3) | 56-36 | |
| » Starters: Nick Maddox vs Nap Rucker | First | -- |
| Saturday, August 1 |
| » Defeated Dodgers (33-57), 5-2 | Washington Park III (5-3) | 57-36 | Won 2 |
| » Starters: Sam Leever vs Jim Pastorius | First | -- |
| Monday, August 3 |
| » Defeated Braves (41-53), 7-4 | South End Grounds III (5-1) | 58-36 | Won 3 |
| » Starters: Vic Willis vs Patsy Flaherty | First | -- |
| Tuesday, August 4 |
| » Lost to Braves (42-53), 4-1 | South End Grounds III (5-2) | 58-37 | |
| » Starters: Lefty Leifield vs Tom McCarthy | First | -- |
| Thursday, August 6 |
| » Defeated Braves (42-54), 9-1 | South End Grounds III (6-2) | 59-37 | |
| » Starters: Nick Maddox vs Vive Lindaman | First | -- |
| Saturday, August 8 |
| » Defeated Phillies (51-42), 4-2 | Baker Bowl (4-1) | 60-37 | Won 2 |
| » Starters: Vic Willis vs George McQuillan | First | -- |
| Monday, August 10 |
| » Lost to Phillies (52-42), 5-4 | Baker Bowl (4-2) | 60-38 | |
| » Starters: Lefty Leifield vs Frank Corridon | First | -- |
| Tuesday, August 11 |
| » Defeated Phillies (52-43), 5-1 | Baker Bowl (5-2) | 61-38 | |
| » Starters: Nick Maddox vs Tully Sparks | First | -- |
| Wednesday, August 12 |
| » Lost to Cubs (58-42), 3-0 | Exposition Park III (24-25) | 61-39 | |
| » Starters: Mordecai Brown vs Vic Willis | First | -- |
| Thursday, August 13 |
| » Defeated Cubs (58-43), 1-0 | Exposition Park III (25-25) | 62-39 | |
| » Starters: Ed Reulbach vs Lefty Leifield | First | -- |
| Friday, August 14 |
| » Defeated Braves (46-58), 2-1 | Exposition Park III (26-25) | 63-39 | Won 2 |
| » Starters: Patsy Flaherty vs Howie Camnitz | First | -- |
| Saturday, August 15 |
| » Defeated Braves (46-59), 3-2 | Exposition Park III (27-25) | 64-39 | Won 3 |
| » Starters: George Ferguson vs Nick Maddox | First | -- |
| Tuesday, August 18 |
| » Lost to Braves (47-59), 4-2 | Exposition Park III (27-26) | 64-40 | |
| » Starters: Tom Tuckey vs Vic Willis | First | -- |
| Wednesday, August 19 |
| » Lost to Dodgers (39-64), 4-0 | Exposition Park III (27-27) | 64-41 | Lost 2 |
| » Starters: Kaiser Wilhelm vs Lefty Leifield | First | -- |
| Thursday, August 20 |
| » Lost to Dodgers (40-64), 6-1 | Exposition Park III (27-28) | 64-42 | Lost 3 |
| » Starters: Harry McIntire vs Howie Camnitz | First | -- |
| Future Pirate Al Lopez is born in Tampa, FL. |
| Friday, August 21 |
| » Defeated Dodgers (40-65), 2-1 | Exposition Park III (28-28) | 65-42 | |
| » Starters: Nap Rucker vs Nick Maddox | First | -- |
| Saturday, August 22 |
| » Defeated Dodgers (40-66), 1-0 | Exposition Park III (29-28) | 66-42 | Won 2 |
| » Starters: Jim Pastorius vs Irv Young | First | -- |
| Monday, August 24 |
| » Lost to Giants (66-42), 4-1 | Exposition Park III (29-29) | 66-43 | |
| » Starters: Hooks Wiltse vs Vic Willis | Second | 1½ out |
| » Lost to Giants (67-42), 5-1 | Exposition Park III (29-30) | 66-44 | Lost 2 |
| » Starters: Christy Mathewson vs Lefty Leifield | Second | 1½ out |
| Tuesday, August 25 |
| » Lost to Giants (68-42), 5-3 | Exposition Park III (29-31) | 66-45 | Lost 3 |
| » Starters: Doc Crandall vs Nick Maddox | Second | 2½ out |
| Wednesday, August 26 |
| » Lost to Giants (69-42), 4-3 | Exposition Park III (29-32) | 66-46 | Lost 4 |
| » Starters: Dummy Taylor vs Irv Young | Second | 3½ out |
| » Major-league debuts: Warren Gill (Pirates) |
| Thursday, August 27 |
| » Defeated Phillies (59-50), 4-3 | Exposition Park III (30-32) | 67-46 | |
| » Starters: Tully Sparks vs Vic Willis | Second | 2½ out |
| Friday, August 28 |
| » Defeated Phillies (59-51), 1-0 | Exposition Park III (31-32) | 68-46 | Won 2 |
| » Starters: George McQuillan vs Sam Leever | Second | 2 out |
| Saturday, August 29 |
| » Defeated Phillies (59-52), 1-0 | Exposition Park III (32-32) | 69-46 | Won 3 |
| » Starters: Frank Corridon vs Nick Maddox | Second | 1½ out |
| » Lost to Phillies (60-52), 5-1 | Exposition Park III (32-33) | 69-47 | |
| » Starters: Bill Foxen vs Lefty Leifield | Second | 1½ out |
| Monday, August 31 |
| » Defeated Reds (58-60), 5-0 | Palace of the Fans (3-3) | 70-47 | |
| » Starters: Vic Willis vs Bob Spade | Third | 1½ out |
| Tuesday, September 1 |
| » Defeated Reds (58-61), 10-2 | Palace of the Fans (4-3) | 71-47 | Won 2 |
| » Starters: Nick Maddox vs Jake Volz | Second | 1½ out |
| » Defeated Reds (58-62), 9-2 | Palace of the Fans (5-3) | 72-47 | Won 3 |
| » Starters: Sam Leever vs Billy Campbell | Second | 1½ out |
| Wednesday, September 2 |
| » Defeated Reds (58-63), 8-2 | Palace of the Fans (6-3) | 73-47 | Won 4 |
| » Starters: Lefty Leifield vs Bob Ewing | Second | 2 out |
| Thursday, September 3 |
| » Defeated Reds (58-64), 3-1 | Palace of the Fans (7-3) | 74-47 | Won 5 |
| » Starters: Chick Brandom vs Jean Dubuc | Second | 1½ out |
| Friday, September 4 |
| » Defeated Cubs (74-49), 1-0 | Exposition Park III (33-33) | 75-47 | Won 6 |
| » Starters: Mordecai Brown vs Vic Willis | Second | 1½ out |
| Saturday, September 5 |
| » Lost to Cubs (75-49), 11-0 | Exposition Park III (33-34) | 75-48 | |
| » Starters: Ed Reulbach vs Bob Vail | Second | 1½ out |
| Sunday, September 6 |
| » Defeated Cubs (75-50), 3-0 | West Side Grounds (7-2) | 76-48 | |
| » Starters: Nick Maddox vs Orval Overall | Second | 2½ out |
| » Lost to Cubs (76-50), 8-7 | West Side Grounds (7-3) | 76-49 | |
| » Starters: Lefty Leifield vs Jack Pfiester | Second | 2½ out |
| Monday, September 7 |
| » Defeated Cardinals (44-80), 9-7 | Exposition Park III (34-34) | 77-49 | |
| » Starters: Bugs Raymond vs Sam Leever | Second | 2½ out |
| » Defeated Cardinals (44-81), 7-1 | Exposition Park III (35-34) | 78-49 | Won 2 |
| » Starters: Fred Beebe vs Vic Willis | Second | 2½ out |
| Tuesday, September 8 |
| » Defeated Cardinals (44-82), 2-0 | Exposition Park III (36-34) | 79-49 | Won 3 |
| » Starters: Bugs Raymond vs Howie Camnitz | Second | 2½ out |
| Wednesday, September 9 |
| » Defeated Reds (61-68), 11-1 | Exposition Park III (37-34) | 80-49 | Won 4 |
| » Starters: Billy Campbell vs Nick Maddox | Second | 2½ out |
| Thursday, September 10 |
| » Lost to Reds (62-68), 3-1 | Exposition Park III (37-35) | 80-50 | |
| » Starters: Bob Spade vs Vic Willis | Second | 2½ out |
| Friday, September 11 |
| » Defeated Reds (62-69), 2-1 | Exposition Park III (38-35) | 81-50 | |
| » Starters: Jean Dubuc vs Howie Camnitz | Second | 2½ out |
| Saturday, September 12 |
| » Defeated Reds (62-70), 4-3 | Exposition Park III (39-35) | 82-50 | Won 2 |
| » Starters: Bob Ewing vs Nick Maddox | Second | 2½ out |
| Sunday, September 13 |
| » Lost to Reds (63-70), 3-2 | Palace of the Fans (7-4) | 82-51 | |
| » Starters: Vic Willis vs Jack Rowan | Third | 3 out |
| Tuesday, September 15 |
| » Defeated Phillies (71-58), 6-5 | Baker Bowl (6-2) | 83-51 | |
| » Starters: Nick Maddox vs Frank Corridon | Second | 2½ out |
| Wednesday, September 16 |
| » Lost to Phillies (72-58), 5-2 | Baker Bowl (6-3) | 83-52 | |
| » Starters: Howie Camnitz vs Tully Sparks | Second | 3 out |
| » Defeated Phillies (72-59), 2-0 | Baker Bowl (7-3) | 84-52 | |
| » Starters: Lefty Leifield vs Lew Richie | Second | 3 out |
| Thursday, September 17 |
| » Defeated Phillies (72-60), 8-1 | Baker Bowl (8-3) | 85-52 | Won 2 |
| » Starters: Vic Willis vs Lew Moren | Second | 3 out |
| Friday, September 18 |
| » Lost to Giants (86-46), 7-0 | Polo Grounds IV (5-3) | 85-53 | |
| » Starters: Nick Maddox vs Christy Mathewson | Third | 5 out |
| » Lost to Giants (87-46), 12-7 | Polo Grounds IV (5-4) | 85-54 | Lost 2 |
| » Starters: Howie Camnitz vs Hooks Wiltse | Third | 5 out |
| Saturday, September 19 |
| » Defeated Giants (87-47), 6-2 | Polo Grounds IV (6-4) | 86-54 | |
| » Starters: Lefty Leifield vs Red Ames | Third | 4 out |
| Monday, September 21 |
| » Defeated Giants (87-48), 2-1 | Polo Grounds IV (7-4) | 87-54 | Won 2 |
| » Starters: Vic Willis vs Christy Mathewson | Third | 3 out |
| Tuesday, September 22 |
| » Defeated Dodgers (48-91), 3-2 | Washington Park III (6-3) | 88-54 | Won 3 |
| » Starters: Nick Maddox vs Jim Pastorius | Third | 2½ out |
| Wednesday, September 23 |
| » Defeated Dodgers (48-92), 2-1 | Washington Park III (7-3) | 89-54 | Won 4 |
| » Starters: Lefty Leifield vs Kaiser Wilhelm | Third | 3 out |
| Thursday, September 24 |
| » Defeated Dodgers (48-93), 6-1 | Washington Park III (8-3) | 90-54 | Won 5 |
| » Starters: Vic Willis vs George Bell | Second | 3 out |
| Friday, September 25 |
| » Lost to Braves (61-82), 2-1 | South End Grounds III (6-3) | 90-55 | |
| » Starters: Nick Maddox vs George Ferguson | Third | 3 out |
| » Defeated Braves (61-83), 6-1 | South End Grounds III (7-3) | 91-55 | |
| » Starters: Lefty Leifield vs Bill Chappelle | Third | 3 out |
| Saturday, September 26 |
| » Defeated Braves (61-84), 5-0 | South End Grounds III (8-3) | 92-55 | Won 2 |
| » Starters: Vic Willis vs Al Mattern | Third | 2½ out |
| Tuesday, September 29 |
| » Defeated Cardinals (49-99), 7-0 | Exposition Park III (40-35) | 93-55 | Won 3 |
| » Starters: Irv Higginbotham vs Howie Camnitz | Third | ½ out |
| » Defeated Cardinals (49-100), 6-5 | Exposition Park III (41-35) | 94-55 | Won 4 |
| » Starters: Charlie Rhodes vs Nick Maddox | Third | ½ out |
| Wednesday, September 30 |
| » Defeated Cardinals (49-101), 7-5 | Exposition Park III (42-35) | 95-55 | Won 5 |
| » Starters: Art Fromme vs Vic Willis | Second | 2 out |
| Friday, October 2 |
| » Defeated Cardinals (49-102), 7-4 | Robison Field (9-0) | 96-55 | Won 6 |
| » Starters: Lefty Leifield vs Fred Beebe | First | -- |
| » Defeated Cardinals (49-103), 2-1 | Robison Field (10-0) | 97-55 | Won 7 |
| » Starters: Howie Camnitz vs Charlie Rhodes | First | -- |
| Saturday, October 3 |
| » Defeated Cardinals (49-104), 3-2 | Robison Field (11-0) | 98-55 | Won 8 |
| » Starters: Nick Maddox vs Art Fromme | First | -- |
| Sunday, October 4 |
| » Lost to Cubs (98-55), 5-2 | West Side Grounds (7-4) | 98-56 | |
| » Starters: Vic Willis vs Mordecai Brown | Second | ½ out |
| Tuesday, October 6 |
| Future Pirate Tom Padden is born in Manchester, NH. |
| Thursday, November 5 |
| Future Pirate Ralph Birkofer is born in Cincinnati, OH. |
Game information provided by Retrosheet (www.retrosheet.org) |
