| Tuesday, April 14 |
| » Defeated Reds (0-1), 6-5 | Palace of the Fans (1-0) | 1-0 | |
| » Starters: Orval Overall vs Bob Ewing | First | -- |
| Thursday, April 16 |
| » Defeated Reds (0-2), 7-4 | Palace of the Fans (2-0) | 2-0 | Won 2 |
| » Starters: Carl Lundgren vs Jake Weimer | First | -- |
| Friday, April 17 |
| » Defeated Reds (0-3), 1-0 | Palace of the Fans (3-0) | 3-0 | Won 3 |
| » Starters: Ed Reulbach vs Andy Coakley | First | -- |
| Saturday, April 18 |
| » Lost to Cardinals (1-3), 3-2 | Robison Field (0-1) | 3-1 | |
| » Starters: Ed Reulbach vs Art Fromme | Second | ½ out |
| Sunday, April 19 |
| » Defeated Cardinals (1-4), 4-3 | Robison Field (1-1) | 4-1 | |
| » Starters: Orval Overall vs Stoney McGlynn | First | -- |
| Future Cub Babe Phelps is born in Odenton, MD. |
| Monday, April 20 |
| » Defeated Cardinals (1-5), 2-0 | Robison Field (2-1) | 5-1 | Won 2 |
| » Starters: Carl Lundgren vs Bugs Raymond | First | -- |
| Tuesday, April 21 |
| » Major-league debuts: Harley Young (Pirates) |
| Wednesday, April 22 |
| » Defeated Reds (3-4), 7-3 | West Side Grounds (1-0) | 6-1 | Won 3 |
| » Starters: Andy Coakley vs Chick Fraser | First | -- |
| Future Cub Fabian Kowalik is born in Falls City, TX. |
| Thursday, April 23 |
| » Defeated Reds (3-5), 2-1 | West Side Grounds (2-0) | 7-1 | Won 4 |
| » Starters: Bob Ewing vs Orval Overall | First | -- |
| Friday, April 24 |
| » Lost to Reds (4-5), 4-2 | West Side Grounds (2-1) | 7-2 | |
| » Starters: Billy Campbell vs Carl Lundgren | First | -- |
| Wednesday, April 29 |
| » Lost to Pirates (7-4), 2-1 | West Side Grounds (2-2) | 7-3 | Lost 2 |
| » Starters: Howie Camnitz vs Jack Pfiester | First | -- |
| Thursday, April 30 |
| » Defeated Cardinals (3-10), 3-1 | West Side Grounds (3-2) | 8-3 | |
| » Starters: Bugs Raymond vs Chick Fraser | First | -- |
| Saturday, May 2 |
| » Defeated Cardinals (3-11), 3-2 | West Side Grounds (4-2) | 9-3 | Won 2 |
| » Starters: Johnny Lush vs Orval Overall | First | -- |
| Sunday, May 3 |
| » Defeated Cardinals (3-12), 4-2 | West Side Grounds (5-2) | 10-3 | Won 3 |
| » Starters: Bugs Raymond vs Mordecai Brown | First | -- |
| » Defeated Cardinals (3-13), 3-2 | West Side Grounds (6-2) | 11-3 | Won 4 |
| » Starters: Fred Beebe vs Ed Reulbach | First | -- |
| Wednesday, May 6 |
| » Lost to Pirates (9-4), 5-2 | Exposition Park III (0-1) | 11-4 | |
| » Starters: Carl Lundgren vs Lefty Leifield | First | -- |
| Saturday, May 9 |
| » Defeated Pirates (9-5), 1-0 | Exposition Park III (1-1) | 12-4 | |
| » Starters: Chick Fraser vs Howie Camnitz | First | -- |
| Future Cub Billy Jurges is born in Bronx, NY. |
| Sunday, May 10 |
| » Defeated Pirates (9-6), 6-2 | West Side Grounds (7-2) | 13-4 | Won 2 |
| » Starters: Lefty Leifield vs Mordecai Brown | First | -- |
| » Lost to Pirates (10-6), 1-0 | West Side Grounds (7-3) | 13-5 | |
| » Starters: Vic Willis vs Jack Pfiester | First | -- |
| Tuesday, May 12 |
| » Lost to Phillies (11-9), 6-2 | West Side Grounds (7-4) | 13-6 | Lost 2 |
| » Starters: George McQuillan vs Orval Overall | First | -- |
| Friday, May 15 |
| » Lost to Dodgers (9-16), 5-3 | West Side Grounds (7-5) | 13-7 | Lost 3 |
| » Starters: Harry McIntire vs Chick Fraser | First | -- |
| Saturday, May 16 |
| » Defeated Dodgers (9-17), 4-3 | West Side Grounds (8-5) | 14-7 | |
| » Starters: Kaiser Wilhelm vs Jack Pfiester | First | -- |
| Sunday, May 17 |
| » Defeated Dodgers (9-18), 5-0 | West Side Grounds (9-5) | 15-7 | Won 2 |
| » Starters: Nap Rucker vs Mordecai Brown | First | -- |
| Wednesday, May 20 |
| » Defeated Braves (14-14), 5-3 | West Side Grounds (10-5) | 16-7 | Won 3 |
| » Starters: Gus Dorner vs Ed Reulbach | First | -- |
| Thursday, May 21 |
| » Lost to Braves (15-14), 11-3 | West Side Grounds (10-6) | 16-8 | |
| » Starters: Patsy Flaherty vs Orval Overall | First | -- |
| Friday, May 22 |
| » Defeated Braves (15-15), 7-1 | West Side Grounds (11-6) | 17-8 | |
| » Starters: Irv Young vs Mordecai Brown | First | -- |
| Saturday, May 23 |
| » Defeated Braves (15-16), 6-4 | West Side Grounds (12-6) | 18-8 | Won 2 |
| » Starters: Vive Lindaman vs Carl Lundgren | First | -- |
| Sunday, May 24 |
| » Lost to Giants (15-15), 6-4 | West Side Grounds (12-7) | 18-9 | |
| » Starters: Dummy Taylor vs Chick Fraser | First | -- |
| Monday, May 25 |
| » Defeated Giants (15-16), 8-7 | West Side Grounds (13-7) | 19-9 | |
| » Starters: Christy Mathewson vs Jack Pfiester | First | -- |
| Tuesday, May 26 |
| » Lost to Giants (16-16), 7-4 | West Side Grounds (13-8) | 19-10 | |
| » Starters: Doc Crandall vs Ed Reulbach | First | -- |
| Wednesday, May 27 |
| » Lost to Giants (17-16), 1-0 | West Side Grounds (13-9) | 19-11 | Lost 2 |
| » Starters: Hooks Wiltse vs Jack Pfiester | First | -- |
| Thursday, May 28 |
| » Defeated Cardinals (14-22), 8-2 | Robison Field (3-1) | 20-11 | |
| » Starters: Chick Fraser vs Slim Sallee | First | -- |
| Friday, May 29 |
| » Lost to Cardinals (15-22), 4-3 | Robison Field (3-2) | 20-12 | |
| » Starters: Carl Lundgren vs Ed Karger | First | -- |
| Saturday, May 30 |
| » Defeated Cardinals (15-23), 10-2 | Robison Field (4-2) | 21-12 | |
| » Starters: Orval Overall vs Johnny Lush | First | -- |
| » Defeated Cardinals (15-24), 11-2 | Robison Field (5-2) | 22-12 | Won 2 |
| » Starters: Carl Lundgren vs Fred Beebe | First | -- |
| Sunday, May 31 |
| » Defeated Pirates (17-16), 6-3 | West Side Grounds (14-9) | 23-12 | Won 3 |
| » Starters: Vic Willis vs Jack Pfiester | First | -- |
| » Lost to Pirates (18-16), 13-3 | West Side Grounds (14-10) | 23-13 | |
| » Starters: Tom McCarthy vs Chick Fraser | First | -- |
| Monday, June 1 |
| » Lost to Pirates (19-16), 8-6 | West Side Grounds (14-11) | 23-14 | Lost 2 |
| » Starters: Nick Maddox vs Chick Fraser | First | -- |
| Tuesday, June 2 |
| » Lost to Pirates (20-16), 12-6 | West Side Grounds (14-12) | 23-15 | Lost 3 |
| » Starters: Vic Willis vs Carl Lundgren | First | -- |
| Thursday, June 4 |
| » Tied Braves, 1-1 | South End Grounds III (0-0) | 23-15 | |
| » Starters: Jack Pfiester vs Vive Lindaman | First | -- |
| Friday, June 5 |
| » Defeated Braves (19-21), 4-2 | South End Grounds III (1-0) | 24-15 | |
| » Starters: Mordecai Brown vs George Ferguson | First | -- |
| Saturday, June 6 |
| » Defeated Braves (19-22), 14-0 | South End Grounds III (2-0) | 25-15 | Won 2 |
| » Starters: Chick Fraser vs Gus Dorner | First | -- |
| » Major-league debuts: Vin Campbell (Cubs) |
| Monday, June 8 |
| » Defeated Braves (19-23), 5-2 | South End Grounds III (3-0) | 26-15 | Won 3 |
| » Starters: Mordecai Brown vs Patsy Flaherty | First | -- |
| Tuesday, June 9 |
| » Defeated Dodgers (15-28), 4-3 | Washington Park III (1-0) | 27-15 | Won 4 |
| » Starters: Jack Pfiester vs Harry McIntire | First | -- |
| Wednesday, June 10 |
| » Lost to Dodgers (16-28), 2-0 | Washington Park III (1-1) | 27-16 | |
| » Starters: Chick Fraser vs Nap Rucker | First | -- |
| Future Cub Mike Kreevich is born in Mount Olive, IL. |
| Thursday, June 11 |
| » Defeated Dodgers (16-29), 2-1 | Washington Park III (2-1) | 28-16 | |
| » Starters: Carl Lundgren vs Kaiser Wilhelm | First | -- |
| Friday, June 12 |
| » Defeated Dodgers (16-30), 7-1 | Washington Park III (3-1) | 29-16 | Won 2 |
| » Starters: Ed Reulbach vs Jim Pastorius | First | -- |
| Saturday, June 13 |
| » Defeated Phillies (21-22), 1-0 | Baker Bowl (1-0) | 30-16 | Won 3 |
| » Starters: Mordecai Brown vs George McQuillan | First | -- |
| Tuesday, June 16 |
| » Lost to Phillies (22-22), 2-1 | Baker Bowl (1-1) | 30-17 | |
| » Starters: Jack Pfiester vs Tully Sparks | First | -- |
| Former Cub Ned Garvin dies in Fresno, CA at the age of 35. |
| Wednesday, June 17 |
| » Defeated Phillies (22-23), 3-2 | Baker Bowl (2-1) | 31-17 | |
| » Starters: Chick Fraser vs Frank Corridon | First | -- |
| Thursday, June 18 |
| » Defeated Giants (26-24), 7-5 | Polo Grounds IV (1-0) | 32-17 | Won 2 |
| » Starters: Ed Reulbach vs Hooks Wiltse | First | -- |
| Friday, June 19 |
| » Lost to Giants (27-24), 6-3 | Polo Grounds IV (1-1) | 32-18 | |
| » Starters: Jack Pfiester vs Doc Crandall | First | -- |
| Saturday, June 20 |
| » Lost to Giants (28-24), 4-0 | Polo Grounds IV (1-2) | 32-19 | Lost 2 |
| » Starters: Chick Fraser vs Christy Mathewson | First | -- |
| Monday, June 22 |
| » Lost to Giants (29-24), 7-1 | Polo Grounds IV (1-3) | 32-20 | Lost 3 |
| » Starters: Carl Lundgren vs Hooks Wiltse | First | -- |
| Wednesday, June 24 |
| » Defeated Cardinals (24-35), 2-1 | West Side Grounds (15-12) | 33-20 | |
| » Starters: Art Fromme vs Ed Reulbach | First | -- |
| Thursday, June 25 |
| » Defeated Reds (31-27), 7-0 | West Side Grounds (16-12) | 34-20 | Won 2 |
| » Starters: Jean Dubuc vs Mordecai Brown | First | -- |
| » Major-league debuts: Jean Dubuc and Bert Sincock (Reds) |
| Friday, June 26 |
| » Defeated Reds (31-28), 8-5 | West Side Grounds (17-12) | 35-20 | Won 3 |
| » Starters: Bob Spade vs Chick Fraser | First | -- |
| Saturday, June 27 |
| » Lost to Reds (32-28), 4-1 | West Side Grounds (17-13) | 35-21 | |
| » Starters: Andy Coakley vs Carl Lundgren | First | -- |
| Sunday, June 28 |
| » Defeated Reds (32-29), 3-1 | West Side Grounds (18-13) | 36-21 | |
| » Starters: Billy Campbell vs Ed Reulbach | First | -- |
| » Defeated Reds (32-30), 2-0 | West Side Grounds (19-13) | 37-21 | Won 2 |
| » Starters: Jake Weimer vs Jack Pfiester | First | -- |
| Monday, June 29 |
| » Lost to Reds (33-30), 5-3 | Palace of the Fans (3-1) | 37-22 | |
| » Starters: Orval Overall vs Jack Doscher | First | -- |
| Tuesday, June 30 |
| » Lost to Reds (34-30), 4-2 | Palace of the Fans (3-2) | 37-23 | Lost 2 |
| » Starters: Chick Fraser vs Bob Spade | Second | 2 out |
| Wednesday, July 1 |
| » Defeated Reds (34-31), 5-1 | Palace of the Fans (4-2) | 38-23 | |
| » Starters: Ed Reulbach vs Andy Coakley | Second | 1½ out |
| Thursday, July 2 |
| » Defeated Pirates (40-25), 3-0 | Exposition Park III (2-1) | 39-23 | Won 2 |
| » Starters: Mordecai Brown vs Irv Young | Second | 1½ out |
| » Lost to Pirates (41-25), 9-4 | Exposition Park III (2-2) | 39-24 | |
| » Starters: Jack Pfiester vs Nick Maddox | Second | 1½ out |
| Friday, July 3 |
| » Lost to Pirates (42-25), 7-0 | Exposition Park III (2-3) | 39-25 | Lost 2 |
| » Starters: Orval Overall vs Vic Willis | Second | 1½ out |
| Saturday, July 4 |
| » Defeated Pirates (42-26), 2-0 | Exposition Park III (3-3) | 40-25 | |
| » Starters: Mordecai Brown vs Sam Leever | First | -- |
| » Defeated Pirates (42-27), 9-3 | Exposition Park III (4-3) | 41-25 | Won 2 |
| » Starters: Ed Reulbach vs Howie Camnitz | First | -- |
| Sunday, July 5 |
| » Lost to Pirates (43-27), 10-5 | West Side Grounds (19-14) | 41-26 | |
| » Starters: Irv Young vs Jack Pfiester | Second | 1½ out |
| Monday, July 6 |
| » Lost to Dodgers (26-41), 5-4 | West Side Grounds (19-15) | 41-27 | Lost 2 |
| » Starters: Harry McIntire vs Chick Fraser | Second | 1½ out |
| Wednesday, July 8 |
| » Defeated Dodgers (26-42), 6-3 | West Side Grounds (20-15) | 42-27 | |
| » Starters: George Bell vs Ed Reulbach | First | -- |
| Thursday, July 9 |
| » Defeated Dodgers (26-43), 4-3 | West Side Grounds (21-15) | 43-27 | Won 2 |
| » Starters: Nap Rucker vs Jack Pfiester | First | -- |
| Friday, July 10 |
| » Defeated Phillies (30-36), 3-2 | West Side Grounds (22-15) | 44-27 | Won 3 |
| » Starters: Bill Foxen vs Mordecai Brown | First | -- |
| Saturday, July 11 |
| » Lost to Phillies (31-36), 6-2 | West Side Grounds (22-16) | 44-28 | |
| » Starters: George McQuillan vs Ed Reulbach | First | -- |
| Sunday, July 12 |
| » Defeated Phillies (31-37), 3-0 | West Side Grounds (23-16) | 45-28 | |
| » Starters: Lew Richie vs Ed Reulbach | First | -- |
| » Lost to Phillies (32-37), 2-0 | West Side Grounds (23-17) | 45-29 | |
| » Starters: Frank Corridon vs Jack Pfiester | First | -- |
| Monday, July 13 |
| » Lost to Phillies (33-37), 6-5 | West Side Grounds (23-18) | 45-30 | Lost 2 |
| » Starters: Tully Sparks vs Carl Lundgren | First | -- |
| Tuesday, July 14 |
| » Lost to Phillies (34-37), 11-2 | West Side Grounds (23-19) | 45-31 | Lost 3 |
| » Starters: Bill Foxen vs Orval Overall | First | -- |
| Wednesday, July 15 |
| » Lost to Giants (46-32), 11-0 | West Side Grounds (23-20) | 45-32 | Lost 4 |
| » Starters: Hooks Wiltse vs Mordecai Brown | Third | 1 out |
| Thursday, July 16 |
| » Lost to Giants (47-32), 4-3 | West Side Grounds (23-21) | 45-33 | Lost 5 |
| » Starters: Doc Crandall vs Ed Reulbach | Third | 2 out |
| Friday, July 17 |
| » Defeated Giants (47-33), 1-0 | West Side Grounds (24-21) | 46-33 | |
| » Starters: Christy Mathewson vs Mordecai Brown | Third | 1 out |
| Saturday, July 18 |
| » Defeated Giants (47-34), 5-4 | West Side Grounds (25-21) | 47-33 | Won 2 |
| » Starters: Hooks Wiltse vs Ed Reulbach | Second | 1 out |
| Sunday, July 19 |
| » Lost to Braves (37-45), 3-2 | West Side Grounds (25-22) | 47-34 | |
| » Starters: Patsy Flaherty vs Orval Overall | Third | 1½ out |
| Monday, July 20 |
| » Defeated Braves (37-46), 5-2 | West Side Grounds (26-22) | 48-34 | |
| » Starters: Tom McCarthy vs Ed Reulbach | Second | 1½ out |
| Tuesday, July 21 |
| » Lost to Braves (38-46), 5-0 | West Side Grounds (26-23) | 48-35 | |
| » Starters: Vive Lindaman vs Mordecai Brown | Third | 2½ out |
| Wednesday, July 22 |
| » Tied Braves, 2-2 | West Side Grounds (26-23) | 48-35 | |
| » Starters: Patsy Flaherty vs Orval Overall | Third | 3 out |
| Thursday, July 23 |
| Future Cub Ival Goodman is born in Northview, MO. |
| Friday, July 24 |
| » Defeated Dodgers (31-52), 2-1 | Washington Park III (4-1) | 49-35 | |
| » Starters: Jack Pfiester vs Kaiser Wilhelm | Third | 1½ out |
| Monday, July 27 |
| » Defeated Dodgers (31-53), 3-1 | Washington Park III (5-1) | 50-35 | Won 2 |
| » Starters: Ed Reulbach vs Jim Pastorius | Second | 2½ out |
| » Lost to Dodgers (32-53), 6-5 | Washington Park III (5-2) | 50-36 | |
| » Starters: Carl Lundgren vs George Bell | Second | 2½ out |
| Tuesday, July 28 |
| » Defeated Dodgers (32-54), 4-2 | Washington Park III (6-2) | 51-36 | |
| » Starters: Orval Overall vs Harry McIntire | Second | 2 out |
| Wednesday, July 29 |
| » Defeated Braves (40-49), 6-0 | South End Grounds III (4-0) | 52-36 | Won 2 |
| » Starters: Mordecai Brown vs Patsy Flaherty | Second | 2 out |
| Thursday, July 30 |
| » Defeated Braves (40-50), 13-4 | South End Grounds III (5-0) | 53-36 | Won 3 |
| » Starters: Ed Reulbach vs Gus Dorner | Second | ½ out |
| » Defeated Braves (40-51), 6-3 | South End Grounds III (6-0) | 54-36 | Won 4 |
| » Starters: Jack Pfiester vs Tom McCarthy | Second | ½ out |
| Friday, July 31 |
| » Defeated Braves (40-52), 3-1 | South End Grounds III (7-0) | 55-36 | Won 5 |
| » Starters: Orval Overall vs Vive Lindaman | Second | ½ out |
| Saturday, August 1 |
| » Lost to Braves (41-52), 14-0 | South End Grounds III (7-1) | 55-37 | |
| » Starters: Carl Lundgren vs George Ferguson | Second | 1½ out |
| Monday, August 3 |
| » Defeated Phillies (48-41), 5-1 | Baker Bowl (3-1) | 56-37 | |
| » Starters: Mordecai Brown vs George McQuillan | Second | 1½ out |
| Tuesday, August 4 |
| » Lost to Phillies (49-41), 4-2 | Baker Bowl (3-2) | 56-38 | |
| » Starters: Ed Reulbach vs Frank Corridon | Third | 1½ out |
| Thursday, August 6 |
| » Lost to Phillies (50-41), 7-5 | Baker Bowl (3-3) | 56-39 | Lost 2 |
| » Starters: Orval Overall vs Tully Sparks | Third | 3 out |
| » Lost to Phillies (51-41), 5-3 | Baker Bowl (3-4) | 56-40 | Lost 3 |
| » Starters: Ed Reulbach vs Bill Foxen | Third | 3 out |
| Saturday, August 8 |
| » Lost to Giants (58-38), 4-1 | Polo Grounds IV (1-4) | 56-41 | Lost 4 |
| » Starters: Mordecai Brown vs Hooks Wiltse | Third | 4 out |
| Monday, August 10 |
| » Lost to Giants (59-38), 3-2 | Polo Grounds IV (1-5) | 56-42 | Lost 5 |
| » Starters: Orval Overall vs Christy Mathewson | Third | 4 out |
| Tuesday, August 11 |
| » Defeated Giants (59-39), 4-0 | Polo Grounds IV (2-5) | 57-42 | |
| » Starters: Jack Pfiester vs Hooks Wiltse | Third | 4 out |
| Wednesday, August 12 |
| » Defeated Pirates (61-39), 3-0 | Exposition Park III (5-3) | 58-42 | Won 2 |
| » Starters: Mordecai Brown vs Vic Willis | Third | 3 out |
| Thursday, August 13 |
| » Lost to Pirates (62-39), 1-0 | Exposition Park III (5-4) | 58-43 | |
| » Starters: Ed Reulbach vs Lefty Leifield | Third | 4 out |
| Saturday, August 15 |
| » Lost to Phillies (55-44), 3-1 | West Side Grounds (26-24) | 58-44 | Lost 2 |
| » Starters: Tully Sparks vs Mordecai Brown | Third | 5½ out |
| Sunday, August 16 |
| » Lost to Phillies (56-44), 1-0 | West Side Grounds (26-25) | 58-45 | Lost 3 |
| » Starters: George McQuillan vs Jack Pfiester | Third | 6 out |
| Monday, August 17 |
| » Defeated Phillies (56-45), 5-1 | West Side Grounds (27-25) | 59-45 | |
| » Starters: Bill Foxen vs Ed Reulbach | Third | 5½ out |
| Tuesday, August 18 |
| » Lost to Phillies (57-45), 8-3 | West Side Grounds (27-26) | 59-46 | |
| » Starters: Tully Sparks vs Carl Lundgren | Third | 5½ out |
| Wednesday, August 19 |
| » Defeated Braves (47-60), 5-1 | West Side Grounds (28-26) | 60-46 | |
| » Starters: Patsy Flaherty vs Mordecai Brown | Third | 4½ out |
| Thursday, August 20 |
| » Defeated Braves (47-61), 10-2 | West Side Grounds (29-26) | 61-46 | Won 2 |
| » Starters: George Ferguson vs Jack Pfiester | Second | 3½ out |
| Friday, August 21 |
| » Defeated Braves (47-62), 5-3 | West Side Grounds (30-26) | 62-46 | Won 3 |
| » Starters: Vive Lindaman vs Ed Reulbach | Third | 3½ out |
| Saturday, August 22 |
| » Lost to Braves (48-62), 3-1 | West Side Grounds (30-27) | 62-47 | |
| » Starters: Tom Tuckey vs Mordecai Brown | Third | 4½ out |
| Sunday, August 23 |
| » Defeated Dodgers (40-67), 2-0 | West Side Grounds (31-27) | 63-47 | |
| » Starters: Harry McIntire vs Orval Overall | Third | 3½ out |
| » Defeated Dodgers (40-68), 2-0 | West Side Grounds (32-27) | 64-47 | Won 2 |
| » Starters: Nap Rucker vs Ed Reulbach | Third | 3½ out |
| Monday, August 24 |
| » Defeated Dodgers (40-69), 4-2 | West Side Grounds (33-27) | 65-47 | Won 3 |
| » Starters: Kaiser Wilhelm vs Jack Pfiester | Third | 3½ out |
| Tuesday, August 25 |
| » Defeated Dodgers (40-70), 10-2 | West Side Grounds (34-27) | 66-47 | Won 4 |
| » Starters: George Bell vs Ed Reulbach | Third | 3½ out |
| Wednesday, August 26 |
| » Defeated Dodgers (40-71), 6-4 | West Side Grounds (35-27) | 67-47 | Won 5 |
| » Starters: Jim Pastorius vs Orval Overall | Third | 3½ out |
| Thursday, August 27 |
| » Defeated Giants (69-43), 5-1 | West Side Grounds (36-27) | 68-47 | Won 6 |
| » Starters: Hooks Wiltse vs Jack Pfiester | Third | 2½ out |
| Saturday, August 29 |
| » Defeated Giants (69-44), 3-2 | West Side Grounds (37-27) | 69-47 | Won 7 |
| » Starters: Christy Mathewson vs Mordecai Brown | Second | 1½ out |
| Sunday, August 30 |
| » Defeated Giants (69-45), 2-1 | West Side Grounds (38-27) | 70-47 | Won 8 |
| » Starters: Doc Crandall vs Jack Pfiester | Second | 1½ out |
| Monday, August 31 |
| » Defeated Cardinals (42-74), 2-0 | West Side Grounds (39-27) | 71-47 | Won 9 |
| » Starters: Bugs Raymond vs Orval Overall | Second | 2 out |
| Tuesday, September 1 |
| » Lost to Cardinals (43-74), 5-4 | West Side Grounds (39-28) | 71-48 | |
| » Starters: Fred Beebe vs Ed Reulbach | Third | 1½ out |
| Wednesday, September 2 |
| » Defeated Cardinals (43-75), 8-0 | West Side Grounds (40-28) | 72-48 | |
| » Starters: Ed Karger vs Chick Fraser | Third | 2 out |
| Thursday, September 3 |
| » Defeated Cardinals (43-76), 5-0 | West Side Grounds (41-28) | 73-48 | Won 2 |
| » Starters: Johnny Lush vs Orval Overall | Third | 2 out |
| » Defeated Cardinals (43-77), 8-2 | West Side Grounds (42-28) | 74-48 | Won 3 |
| » Starters: Bugs Raymond vs Jack Pfiester | Third | 2 out |
| Friday, September 4 |
| » Lost to Pirates (75-47), 1-0 | Exposition Park III (5-5) | 74-49 | |
| » Starters: Mordecai Brown vs Vic Willis | Third | 2 out |
| Saturday, September 5 |
| » Defeated Pirates (75-48), 11-0 | Exposition Park III (6-5) | 75-49 | |
| » Starters: Ed Reulbach vs Bob Vail | Third | 2 out |
| Sunday, September 6 |
| » Lost to Pirates (76-48), 3-0 | West Side Grounds (42-29) | 75-50 | |
| » Starters: Nick Maddox vs Orval Overall | Third | 3 out |
| » Defeated Pirates (76-49), 8-7 | West Side Grounds (43-29) | 76-50 | |
| » Starters: Lefty Leifield vs Jack Pfiester | Third | 3 out |
| Monday, September 7 |
| » Lost to Reds (61-65), 6-0 | West Side Grounds (43-30) | 76-51 | |
| » Starters: Jean Dubuc vs Chick Fraser | Third | 3 out |
| » Defeated Reds (61-66), 4-0 | West Side Grounds (44-30) | 77-51 | |
| » Starters: Bob Spade vs Andy Coakley | Third | 3 out |
| Tuesday, September 8 |
| » Defeated Reds (61-67), 3-2 | West Side Grounds (45-30) | 78-51 | Won 2 |
| » Starters: Jack Rowan vs Ed Reulbach | Third | 3 out |
| Wednesday, September 9 |
| » Defeated Cardinals (44-83), 5-3 | West Side Grounds (46-30) | 79-51 | Won 3 |
| » Starters: Irv Higginbotham vs Orval Overall | Third | 3 out |
| Thursday, September 10 |
| » Defeated Cardinals (44-84), 7-2 | Robison Field (6-2) | 80-51 | Won 4 |
| » Starters: Mordecai Brown vs Orson Baldwin | Third | 3 out |
| Friday, September 11 |
| » Defeated Cardinals (44-85), 8-3 | Robison Field (7-2) | 81-51 | Won 5 |
| » Starters: Jack Pfiester vs Art Fromme | Third | 3 out |
| Saturday, September 12 |
| » Defeated Cardinals (44-86), 7-3 | Robison Field (8-2) | 82-51 | Won 6 |
| » Starters: Andy Coakley vs Johnny Lush | Third | 3 out |
| Sunday, September 13 |
| » Defeated Cardinals (44-87), 3-0 | Robison Field (9-2) | 83-51 | Won 7 |
| » Starters: Orval Overall vs Bugs Raymond | Second | 3½ out |
| Monday, September 14 |
| Future Cub John Bottarini is born in Crockett, CA. Former Cub Ike Van Zandt dies in Nashua, NH at the age of 33 |
| Tuesday, September 15 |
| » Lost to Braves (57-77), 3-2 | South End Grounds III (7-2) | 83-52 | |
| » Starters: Mordecai Brown vs Vive Lindaman | Third | 3 out |
| Wednesday, September 16 |
| » Defeated Braves (57-78), 5-0 | South End Grounds III (8-2) | 84-52 | |
| » Starters: Jack Pfiester vs Al Mattern | Second | 3 out |
| » Major-league debuts: Al Mattern (Braves) |
| Thursday, September 17 |
| » Defeated Braves (57-79), 4-1 | South End Grounds III (9-2) | 85-52 | Won 2 |
| » Starters: Ed Reulbach vs Tom Tuckey | Second | 3 out |
| Friday, September 18 |
| » Lost to Phillies (73-60), 2-1 | Baker Bowl (3-5) | 85-53 | |
| » Starters: Orval Overall vs George McQuillan | Second | 4½ out |
| Saturday, September 19 |
| » Defeated Phillies (73-61), 4-2 | Baker Bowl (4-5) | 86-53 | |
| » Starters: Mordecai Brown vs Frank Corridon | Second | 3½ out |
| » Tied Phillies, 0-0 | Baker Bowl (4-5) | 86-53 | |
| » Starters: Ed Reulbach vs Lew Richie | Second | 3½ out |
| Sunday, September 20 |
| Future Cub Zeke Bonura is born in New Orleans, LA. |
| Monday, September 21 |
| » Defeated Phillies (73-62), 3-1 | Baker Bowl (5-5) | 87-53 | Won 2 |
| » Starters: Rube Kroh vs Tully Sparks | Second | 3 out |
| » Defeated Phillies (73-63), 3-2 | Baker Bowl (6-5) | 88-53 | Won 3 |
| » Starters: Andy Coakley vs George McQuillan | Second | 3 out |
| Tuesday, September 22 |
| » Defeated Giants (87-49), 4-3 | Polo Grounds IV (3-5) | 89-53 | Won 4 |
| » Starters: Orval Overall vs Red Ames | Second | 3 out |
| » Defeated Giants (87-50), 3-1 | Polo Grounds IV (4-5) | 90-53 | Won 5 |
| » Starters: Mordecai Brown vs Doc Crandall | Second | 3 out |
| Wednesday, September 23 |
| » Tied Giants, 1-1 | Polo Grounds IV (4-5) | 90-53 | |
| » Starters: Jack Pfiester vs Christy Mathewson | Second | 3 out |
| Thursday, September 24 |
| » Lost to Giants (88-50), 5-4 | Polo Grounds IV (4-6) | 90-54 | |
| » Starters: Mordecai Brown vs Hooks Wiltse | Second | 3 out |
| Friday, September 25 |
| » Defeated Dodgers (48-94), 5-1 | Washington Park III (7-2) | 91-54 | |
| » Starters: Orval Overall vs Nap Rucker | Second | 2½ out |
| Saturday, September 26 |
| » Defeated Dodgers (48-95), 5-0 | Washington Park III (8-2) | 92-54 | Won 2 |
| » Starters: Ed Reulbach vs Kaiser Wilhelm | Second | 2½ out |
| » Defeated Dodgers (48-96), 3-0 | Washington Park III (9-2) | 93-54 | Won 3 |
| » Starters: Ed Reulbach vs Jim Pastorius | Second | 2½ out |
| Tuesday, September 29 |
| » Defeated Reds (71-78), 6-2 | Palace of the Fans (5-2) | 94-54 | Won 4 |
| » Starters: Mordecai Brown vs Bob Ewing | First | -- |
| Wednesday, September 30 |
| » Lost to Reds (72-78), 6-5 | Palace of the Fans (5-3) | 94-55 | |
| » Starters: Orval Overall vs Jean Dubuc | Third | 1½ out |
| Thursday, October 1 |
| » Defeated Reds (72-79), 6-0 | Palace of the Fans (6-3) | 95-55 | |
| » Starters: Ed Reulbach vs Bob Spade | Second | 1 out |
| Friday, October 2 |
| » Defeated Reds (72-80), 5-0 | Palace of the Fans (7-3) | 96-55 | Won 2 |
| » Starters: Mordecai Brown vs Jack Rowan | Third | ½ out |
| Saturday, October 3 |
| » Defeated Reds (72-81), 16-2 | Palace of the Fans (8-3) | 97-55 | Won 3 |
| » Starters: Ed Reulbach vs Jean Dubuc | Second | ½ out |
| Sunday, October 4 |
| » Defeated Pirates (98-56), 5-2 | West Side Grounds (47-30) | 98-55 | Won 4 |
| » Starters: Vic Willis vs Mordecai Brown | First | -- |
| Thursday, October 8 |
| » Defeated Giants (98-56), 4-2 | Polo Grounds IV (5-6) | 99-55 | Won 5 |
| » Starters: Jack Pfiester vs Christy Mathewson | First | -- |
Game information provided by Retrosheet (www.retrosheet.org) |