| Thursday, March 25 |
| Future Cub Dutch Leonard is born in Auburn, IL. |
| Sunday, March 28 |
| Future Cub Lon Warneke is born in Mount Ida, AR. |
| Friday, April 9 |
| Future Cub Claude Passeau is born in Waynesboro, MS. |
| Monday, April 12 |
| » Major-league debuts: Ray Demmitt (Yankees) |
| Tuesday, April 13 |
| » Major-league debuts: Dolly Gray and Bob Groom (Senators) George McConnell (Yankees) |
| Wednesday, April 14 |
| » Defeated Cardinals (0-1), 3-1 | West Side Grounds (1-0) | 1-0 | |
| » Starters: Johnny Lush vs Orval Overall | First | -- |
| Thursday, April 15 |
| » Defeated Cardinals (0-2), 10-4 | West Side Grounds (2-0) | 2-0 | Won 2 |
| » Starters: Fred Beebe vs Jack Pfiester | First | -- |
| » Major-league debuts: Rube Ellis and Forrest More (Cardinals) |
| Friday, April 16 |
| » Lost to Cardinals (1-2), 3-1 | West Side Grounds (2-1) | 2-1 | |
| » Starters: Slim Sallee vs Rip Hagerman | Second | ½ out |
| » Major-league debuts: Rip Hagerman (Cubs) |
| Saturday, April 17 |
| » Lost to Cardinals (2-2), 4-1 | West Side Grounds (2-2) | 2-2 | Lost 2 |
| » Starters: Charlie Rhodes vs Ed Reulbach | Fourth | 1½ out |
| Sunday, April 18 |
| » Lost to Pirates (2-3), 1-0 | West Side Grounds (2-3) | 2-3 | Lost 3 |
| » Starters: Howie Camnitz vs Mordecai Brown | Fourth | 2 out |
| Thursday, April 22 |
| » Defeated Cardinals (3-5), 7-3 | Robison Field (1-0) | 3-3 | |
| » Starters: Orval Overall vs Slim Sallee | Fourth | 2 out |
| Friday, April 23 |
| » Lost to Cardinals (4-5), 6-3 | Robison Field (1-1) | 3-4 | |
| » Starters: Carl Lundgren vs Johnny Lush | Fifth | 2½ out |
| Saturday, April 24 |
| » Defeated Cardinals (4-6), 5-1 | Robison Field (2-1) | 4-4 | |
| » Starters: Mordecai Brown vs Fred Beebe | Fourth | 2½ out |
| Sunday, April 25 |
| » Defeated Cardinals (4-7), 5-4 | Robison Field (3-1) | 5-4 | Won 2 |
| » Starters: Jack Pfiester vs Charlie Rhodes | Third | 1½ out |
| Monday, April 26 |
| » Defeated Reds (7-5), 6-2 | Palace of the Fans (1-0) | 6-4 | Won 3 |
| » Starters: Orval Overall vs Billy Campbell | Third | ½ out |
| Wednesday, April 28 |
| » Defeated Reds (7-6), 6-5 | Palace of the Fans (2-0) | 7-4 | Won 4 |
| » Starters: Ed Reulbach vs Bob Ewing | First | -- |
| Thursday, April 29 |
| » Defeated Reds (7-7), 5-4 | Palace of the Fans (3-0) | 8-4 | Won 5 |
| » Starters: Mordecai Brown vs Harry Gaspar | First | -- |
| » Lost to Reds (8-7), 3-2 | Palace of the Fans (3-1) | 8-5 | |
| » Starters: Rube Kroh vs Art Fromme | First | -- |
| » Major-league debuts: Bill Moriarty (Reds) |
| Saturday, May 1 |
| » Major-league debuts: Ralph Works (Tigers) |
| Sunday, May 2 |
| » Lost to Pirates (7-6), 5-2 | West Side Grounds (2-4) | 8-6 | Lost 2 |
| » Starters: Howie Camnitz vs Orval Overall | Fourth | 2½ out |
| » Lost to Pirates (8-6), 6-0 | West Side Grounds (2-5) | 8-7 | Lost 3 |
| » Starters: Lefty Leifield vs Ed Reulbach | Fourth | 2½ out |
| Monday, May 3 |
| » Lost to Pirates (9-6), 9-2 | West Side Grounds (2-6) | 8-8 | Lost 4 |
| » Starters: Vic Willis vs Andy Coakley | Fourth | 2½ out |
| Tuesday, May 4 |
| » Lost to Pirates (10-6), 1-0 | West Side Grounds (2-7) | 8-9 | Lost 5 |
| » Starters: Babe Adams vs Mordecai Brown | Fifth | 2½ out |
| Wednesday, May 5 |
| » Defeated Reds (10-10), 5-2 | West Side Grounds (3-7) | 9-9 | |
| » Starters: Harry Gaspar vs Orval Overall | Fourth | 2 out |
| Thursday, May 6 |
| » Defeated Reds (10-11), 4-2 | West Side Grounds (4-7) | 10-9 | Won 2 |
| » Starters: Ed Karger vs Rube Kroh | Fourth | 2 out |
| Friday, May 7 |
| » Defeated Reds (10-12), 5-0 | West Side Grounds (5-7) | 11-9 | Won 3 |
| » Starters: Art Fromme vs Rip Hagerman | Fourth | 2 out |
| » Major-league debuts: Tom Downey (Reds) |
| Saturday, May 8 |
| » Defeated Reds (10-13), 6-3 | West Side Grounds (6-7) | 12-9 | Won 4 |
| » Starters: Jack Rowan vs Ed Reulbach | Fourth | 1 out |
| Sunday, May 9 |
| » Lost to Cardinals (9-14), 5-2 | West Side Grounds (6-8) | 12-10 | |
| » Starters: Charlie Rhodes vs Ed Reulbach | Fourth | 1½ out |
| Tuesday, May 11 |
| » Defeated Giants (7-11), 4-3 | Polo Grounds IV (1-0) | 13-10 | |
| » Starters: Mordecai Brown vs Hooks Wiltse | Second | 1½ out |
| Wednesday, May 12 |
| » Lost to Giants (8-11), 3-2 | Polo Grounds IV (1-1) | 13-11 | |
| » Starters: Orval Overall vs Rube Marquard | Third | 1½ out |
| Thursday, May 13 |
| » Lost to Giants (9-11), 4-1 | Polo Grounds IV (1-2) | 13-12 | Lost 2 |
| » Starters: Rube Kroh vs Christy Mathewson | Fourth | 2½ out |
| Friday, May 14 |
| » Defeated Giants (9-12), 6-0 | Polo Grounds IV (2-2) | 14-12 | |
| » Starters: Jack Pfiester vs Bugs Raymond | Third | 1½ out |
| Saturday, May 15 |
| » Defeated Phillies (12-10), 3-0 | Baker Bowl (1-0) | 15-12 | Won 2 |
| » Starters: Orval Overall vs Lew Moren | Second | 1½ out |
| Monday, May 17 |
| » Defeated Phillies (12-11), 8-1 | Baker Bowl (2-0) | 16-12 | Won 3 |
| » Starters: Mordecai Brown vs Harry Coveleski | Second | 1½ out |
| Tuesday, May 18 |
| » Defeated Phillies (12-12), 3-2 | Baker Bowl (3-0) | 17-12 | Won 4 |
| » Starters: Rip Hagerman vs Tully Sparks | Second | 1½ out |
| Wednesday, May 19 |
| » Lost to Phillies (13-12), 4-2 | Baker Bowl (3-1) | 17-13 | |
| » Starters: Ed Reulbach vs George McQuillan | Second | 1½ out |
| Thursday, May 20 |
| » Defeated Braves (11-16), 6-2 | South End Grounds III (1-0) | 18-13 | |
| » Starters: Jack Pfiester vs Vive Lindaman | Second | 1½ out |
| Friday, May 21 |
| » Defeated Braves (11-17), 7-0 | South End Grounds III (2-0) | 19-13 | Won 2 |
| » Starters: Orval Overall vs Al Mattern | Second | 2 out |
| Monday, May 24 |
| » Defeated Dodgers (13-15), 4-3 | Washington Park III (1-0) | 20-13 | Won 3 |
| » Starters: Mordecai Brown vs Nap Rucker | Second | 2 out |
| Tuesday, May 25 |
| » Defeated Dodgers (13-16), 4-3 | Washington Park III (2-0) | 21-13 | Won 4 |
| » Starters: Jack Pfiester vs Harry McIntire | Second | 2 out |
| Wednesday, May 26 |
| » Defeated Dodgers (13-17), 2-0 | Washington Park III (3-0) | 22-13 | Won 5 |
| » Starters: Orval Overall vs George Bell | Second | 2 out |
| Saturday, May 29 |
| » Defeated Pirates (22-12), 8-3 | Exposition Park III (1-0) | 23-13 | Won 6 |
| » Starters: Mordecai Brown vs Lefty Leifield | First | -- |
| Sunday, May 30 |
| » Lost to Pirates (23-12), 5-4 | West Side Grounds (6-9) | 23-14 | |
| » Starters: Sam Leever vs Orval Overall | Second | 1½ out |
| » Lost to Pirates (24-12), 4-2 | West Side Grounds (6-10) | 23-15 | Lost 2 |
| » Starters: Vic Willis vs Jack Pfiester | Second | 1½ out |
| Monday, May 31 |
| » Lost to Reds (19-20), 4-1 | Palace of the Fans (3-2) | 23-16 | Lost 3 |
| » Starters: Rube Kroh vs Harry Gaspar | Second | 2½ out |
| » Defeated Reds (19-21), 3-2 | Palace of the Fans (4-2) | 24-16 | |
| » Starters: Ed Reulbach vs Bob Ewing | Second | 2½ out |
| Tuesday, June 1 |
| » Defeated Reds (19-22), 9-3 | Palace of the Fans (5-2) | 25-16 | Won 2 |
| » Starters: Mordecai Brown vs Jack Rowan | Second | 2 out |
| Thursday, June 3 |
| » Defeated Phillies (17-18), 4-3 | West Side Grounds (7-10) | 26-16 | Won 3 |
| » Starters: Lew Moren vs Orval Overall | Second | 2½ out |
| Saturday, June 5 |
| » Defeated Phillies (17-19), 2-0 | West Side Grounds (8-10) | 27-16 | Won 4 |
| » Starters: Tully Sparks vs Jack Pfiester | Second | 2½ out |
| Sunday, June 6 |
| » Defeated Phillies (17-20), 1-0 | West Side Grounds (9-10) | 28-16 | Won 5 |
| » Starters: Earl Moore vs Ed Reulbach | Second | 2 out |
| Tuesday, June 8 |
| » Lost to Giants (21-17), 3-2 | West Side Grounds (9-11) | 28-17 | |
| » Starters: Christy Mathewson vs Mordecai Brown | Second | 3½ out |
| Thursday, June 10 |
| » Defeated Giants (21-18), 5-0 | West Side Grounds (10-11) | 29-17 | |
| » Starters: Rube Marquard vs Jack Pfiester | Second | 3½ out |
| Friday, June 11 |
| » Lost to Braves (13-29), 4-2 | West Side Grounds (10-12) | 29-18 | |
| » Starters: Kirby White vs Orval Overall | Second | 4½ out |
| Saturday, June 12 |
| » Defeated Braves (13-30), 2-0 | West Side Grounds (11-12) | 30-18 | |
| » Starters: Tom Tuckey vs Rube Kroh | Second | 4½ out |
| Sunday, June 13 |
| » Defeated Braves (13-31), 9-7 | West Side Grounds (12-12) | 31-18 | Won 2 |
| » Starters: George Ferguson vs Mordecai Brown | Second | 4 out |
| Wednesday, June 16 |
| » Defeated Dodgers (17-30), 3-1 | West Side Grounds (13-12) | 32-18 | Won 3 |
| » Starters: Nap Rucker vs Ed Reulbach | Second | 4 out |
| Thursday, June 17 |
| » Defeated Dodgers (17-31), 3-2 | West Side Grounds (14-12) | 33-18 | Won 4 |
| » Starters: George Hunter vs Mordecai Brown | Second | 3½ out |
| Saturday, June 19 |
| » Defeated Dodgers (17-32), 10-5 | West Side Grounds (15-12) | 34-18 | Won 5 |
| » Starters: Kaiser Wilhelm vs Jack Pfiester | Second | 4 out |
| Sunday, June 20 |
| » Defeated Dodgers (17-33), 6-1 | West Side Grounds (16-12) | 35-18 | Won 6 |
| » Starters: George Bell vs Ed Reulbach | Second | 3½ out |
| Wednesday, June 23 |
| » Lost to Reds (29-27), 6-4 | West Side Grounds (16-13) | 35-19 | |
| » Starters: Harry Gaspar vs Orval Overall | Second | 5 out |
| Friday, June 25 |
| » Defeated Reds (29-28), 7-0 | West Side Grounds (17-13) | 36-19 | |
| » Starters: Jean Dubuc vs Mordecai Brown | Second | 5 out |
| Saturday, June 26 |
| » Defeated Reds (29-29), 4-0 | West Side Grounds (18-13) | 37-19 | Won 2 |
| » Starters: Billy Campbell vs Ed Reulbach | Second | 5 out |
| Sunday, June 27 |
| » Lost to Reds (30-29), 2-1 | West Side Grounds (18-14) | 37-20 | |
| » Starters: Harry Gaspar vs Orval Overall | Second | 6 out |
| » Lost to Reds (31-29), 7-3 | West Side Grounds (18-15) | 37-21 | Lost 2 |
| » Starters: Art Fromme vs Jack Pfiester | Second | 6 out |
| Tuesday, June 29 |
| » Lost to Pirates (45-14), 8-1 | Exposition Park III (1-1) | 37-22 | Lost 3 |
| » Starters: Mordecai Brown vs Lefty Leifield | Second | 7½ out |
| Wednesday, June 30 |
| » Defeated Pirates (45-15), 3-2 | Forbes Field (1-0) | 38-22 | |
| » Starters: Ed Reulbach vs Vic Willis | Second | 6½ out |
| Friday, July 2 |
| » Defeated Pirates (45-16), 8-0 | Forbes Field (2-0) | 39-22 | Won 2 |
| » Starters: Mordecai Brown vs Howie Camnitz | Second | 6½ out |
| » Lost to Pirates (46-16), 4-2 | Forbes Field (2-1) | 39-23 | |
| » Starters: Rip Hagerman vs Nick Maddox | Second | 6½ out |
| Saturday, July 3 |
| » Defeated Pirates (46-17), 6-0 | Forbes Field (3-1) | 40-23 | |
| » Starters: Ed Reulbach vs Lefty Leifield | Second | 5½ out |
| Sunday, July 4 |
| » Lost to Cardinals (26-37), 3-2 | West Side Grounds (18-16) | 40-24 | |
| » Starters: Slim Sallee vs Jack Pfiester | Second | 5½ out |
| Tuesday, July 6 |
| » Defeated Cardinals (26-38), 4-1 | West Side Grounds (19-16) | 41-24 | |
| » Starters: Johnny Lush vs Irv Higginbotham | Second | 6½ out |
| Wednesday, July 7 |
| » Lost to Pirates (50-18), 6-2 | Forbes Field (3-2) | 41-25 | |
| » Starters: Rip Hagerman vs Lefty Leifield | Second | 7½ out |
| Future Cub Billy Herman is born in New Albany, IN. |
| Thursday, July 8 |
| » Defeated Phillies (30-37), 8-3 | Baker Bowl (4-1) | 42-25 | |
| » Starters: Orval Overall vs Lew Moren | Second | 6½ out |
| Friday, July 9 |
| » Lost to Phillies (31-37), 5-1 | Baker Bowl (4-2) | 42-26 | |
| » Starters: Jack Pfiester vs Earl Moore | Second | 8 out |
| Saturday, July 10 |
| » Defeated Phillies (31-38), 10-1 | Baker Bowl (5-2) | 43-26 | |
| » Starters: Irv Higginbotham vs George McQuillan | Second | 8 out |
| Monday, July 12 |
| » Defeated Phillies (31-39), 3-0 | Baker Bowl (6-2) | 44-26 | Won 2 |
| » Starters: Orval Overall vs Harry Coveleski | Second | 7½ out |
| Tuesday, July 13 |
| » Defeated Braves (22-50), 3-2 | South End Grounds III (3-0) | 45-26 | Won 3 |
| » Starters: Jack Pfiester vs Kirby White | Second | 7 out |
| » Defeated Braves (22-51), 8-0 | South End Grounds III (4-0) | 46-26 | Won 4 |
| » Starters: Rube Kroh vs Al Mattern | Second | 7 out |
| Wednesday, July 14 |
| » Defeated Braves (22-52), 8-2 | South End Grounds III (5-0) | 47-26 | Won 5 |
| » Starters: Mordecai Brown vs Tom Tuckey | Second | 7 out |
| Thursday, July 15 |
| » Defeated Braves (22-53), 6-2 | South End Grounds III (6-0) | 48-26 | Won 6 |
| » Starters: Jack Pfiester vs Forrest More | Second | 6 out |
| Friday, July 16 |
| » Defeated Braves (22-54), 4-1 | South End Grounds III (7-0) | 49-26 | Won 7 |
| » Starters: Rube Kroh vs George Ferguson | Second | 5½ out |
| Saturday, July 17 |
| » Lost to Dodgers (28-49), 1-0 | Washington Park III (3-1) | 49-27 | |
| » Starters: Orval Overall vs George Bell | Second | 6 out |
| » Defeated Dodgers (28-50), 4-0 | Washington Park III (4-1) | 50-27 | |
| » Starters: Ed Reulbach vs Kaiser Wilhelm | Second | 6 out |
| Monday, July 19 |
| » Defeated Dodgers (28-51), 2-0 | Washington Park III (5-1) | 51-27 | Won 2 |
| » Starters: Mordecai Brown vs Nap Rucker | Second | 6 out |
| Tuesday, July 20 |
| » Lost to Dodgers (29-51), 6-5 | Washington Park III (5-2) | 51-28 | |
| » Starters: Jack Pfiester vs George Hunter | Second | 6 out |
| Wednesday, July 21 |
| » Defeated Dodgers (29-52), 3-2 | Washington Park III (6-2) | 52-28 | |
| » Starters: Orval Overall vs Harry McIntire | Second | 5 out |
| Thursday, July 22 |
| » Defeated Giants (47-32), 3-1 | Polo Grounds IV (3-2) | 53-28 | Won 2 |
| » Starters: Ed Reulbach vs Hooks Wiltse | Second | 5 out |
| Saturday, July 24 |
| » Defeated Giants (47-33), 4-1 | Polo Grounds IV (4-2) | 54-28 | Won 3 |
| » Starters: Mordecai Brown vs Bugs Raymond | Second | 5½ out |
| Tuesday, July 27 |
| » Tied Cardinals, 4-4 | Robison Field (3-1) | 54-28 | |
| » Starters: Orval Overall vs Slim Sallee | Second | 5½ out |
| Wednesday, July 28 |
| » Defeated Cardinals (34-48), 6-1 | Robison Field (4-1) | 55-28 | Won 4 |
| » Starters: Ed Reulbach vs Grover Lowdermilk | Second | 6 out |
| » Lost to Cardinals (35-48), 5-4 | Robison Field (4-2) | 55-29 | |
| » Starters: Irv Higginbotham vs Les Backman | Second | 6 out |
| Thursday, July 29 |
| » Defeated Cardinals (35-49), 6-3 | Robison Field (5-2) | 56-29 | |
| » Starters: Mordecai Brown vs Fred Beebe | Second | 6 out |
| Friday, July 30 |
| » Lost to Phillies (40-47), 5-2 | West Side Grounds (19-17) | 56-30 | |
| » Starters: Earl Moore vs Orval Overall | Second | 7 out |
| Saturday, July 31 |
| » Defeated Phillies (40-48), 1-0 | West Side Grounds (20-17) | 57-30 | |
| » Starters: Frank Corridon vs Ed Reulbach | Second | 6 out |
| Sunday, August 1 |
| » Defeated Phillies (40-49), 3-0 | West Side Grounds (21-17) | 58-30 | Won 2 |
| » Starters: George McQuillan vs Mordecai Brown | Second | 5 out |
| » Defeated Phillies (40-50), 7-6 | West Side Grounds (22-17) | 59-30 | Won 3 |
| » Starters: Lew Moren vs Irv Higginbotham | Second | 5 out |
| Tuesday, August 3 |
| » Defeated Braves (26-65), 7-1 | West Side Grounds (23-17) | 60-30 | Won 4 |
| » Starters: Kirby White vs Rube Kroh | Second | 5 out |
| Wednesday, August 4 |
| » Defeated Braves (26-66), 8-3 | West Side Grounds (24-17) | 61-30 | Won 5 |
| » Starters: Tom Tuckey vs Ed Reulbach | Second | 4 out |
| Thursday, August 5 |
| » Defeated Braves (26-67), 2-1 | West Side Grounds (25-17) | 62-30 | Won 6 |
| » Starters: Lew Richie vs Mordecai Brown | Second | 2½ out |
| » Defeated Braves (26-68), 4-0 | West Side Grounds (26-17) | 63-30 | Won 7 |
| » Starters: Buster Brown vs Jack Pfiester | Second | 2½ out |
| Friday, August 6 |
| » Defeated Braves (26-69), 3-1 | West Side Grounds (27-17) | 64-30 | Won 8 |
| » Starters: George Ferguson vs Rube Kroh | Second | 2½ out |
| Saturday, August 7 |
| » Defeated Dodgers (35-60), 3-2 | West Side Grounds (28-17) | 65-30 | Won 9 |
| » Starters: Nap Rucker vs Ed Reulbach | Second | 3 out |
| Sunday, August 8 |
| » Defeated Dodgers (35-61), 7-0 | West Side Grounds (29-17) | 66-30 | Won 10 |
| » Starters: Harry McIntire vs Mordecai Brown | Second | 2½ out |
| Monday, August 9 |
| » Lost to Dodgers (36-61), 2-0 | West Side Grounds (29-18) | 66-31 | |
| » Starters: George Bell vs Orval Overall | Second | 3½ out |
| Tuesday, August 10 |
| » Defeated Dodgers (36-62), 8-1 | West Side Grounds (30-18) | 67-31 | |
| » Starters: Jim Pastorius vs Ed Reulbach | Second | 3½ out |
| Thursday, August 12 |
| » Lost to Giants (58-37), 5-2 | West Side Grounds (30-19) | 67-32 | |
| » Starters: Hooks Wiltse vs Mordecai Brown | Second | 5 out |
| » Lost to Giants (59-37), 3-0 | West Side Grounds (30-20) | 67-33 | Lost 2 |
| » Starters: Christy Mathewson vs Jack Pfiester | Second | 5 out |
| Friday, August 13 |
| » Lost to Giants (60-37), 6-2 | West Side Grounds (30-21) | 67-34 | Lost 3 |
| » Starters: Bugs Raymond vs Rube Kroh | Second | 6 out |
| Saturday, August 14 |
| » Lost to Giants (61-37), 5-2 | West Side Grounds (30-22) | 67-35 | Lost 4 |
| » Starters: Red Ames vs Ed Reulbach | Second | 6 out |
| Sunday, August 15 |
| » Defeated Giants (61-38), 9-0 | West Side Grounds (31-22) | 68-35 | |
| » Starters: Doc Crandall vs Mordecai Brown | Second | 5½ out |
| Tuesday, August 17 |
| » Defeated Reds (53-52), 2-0 | West Side Grounds (32-22) | 69-35 | Won 2 |
| » Starters: Harry Gaspar vs Orval Overall | Second | 5½ out |
| Wednesday, August 18 |
| » Defeated Reds (53-53), 1-0 | West Side Grounds (33-22) | 70-35 | Won 3 |
| » Starters: Bob Ewing vs Ed Reulbach | Second | 6 out |
| Friday, August 20 |
| » Defeated Braves (28-80), 5-3 | South End Grounds III (8-0) | 71-35 | Won 4 |
| » Starters: Rube Kroh vs Buster Brown | Second | 6½ out |
| Saturday, August 21 |
| » Defeated Braves (28-81), 8-3 | South End Grounds III (9-0) | 72-35 | Won 5 |
| » Starters: Mordecai Brown vs George Ferguson | Second | 5 out |
| » Defeated Braves (28-82), 3-2 | South End Grounds III (10-0) | 73-35 | Won 6 |
| » Starters: Jack Pfiester vs Al Mattern | Second | 5 out |
| Monday, August 23 |
| » Defeated Braves (28-83), 11-6 | South End Grounds III (11-0) | 74-35 | Won 7 |
| » Starters: Jack Pfiester vs Lew Richie | Second | 5 out |
| » Major-league debuts: Cliff Curtis (Braves) |
| Tuesday, August 24 |
| » Defeated Phillies (49-61), 1-0 | Baker Bowl (7-2) | 75-35 | Won 8 |
| » Starters: Orval Overall vs George McQuillan | Second | 4½ out |
| Wednesday, August 25 |
| » Lost to Phillies (50-61), 4-2 | Baker Bowl (7-3) | 75-36 | |
| » Starters: Mordecai Brown vs Tully Sparks | Second | 4½ out |
| Thursday, August 26 |
| » Lost to Phillies (51-61), 8-7 | Baker Bowl (7-4) | 75-37 | Lost 2 |
| » Starters: Ed Reulbach vs Earl Moore | Second | 5½ out |
| Friday, August 27 |
| » Defeated Giants (68-43), 8-6 | Polo Grounds IV (5-2) | 76-37 | |
| » Starters: Orval Overall vs Hooks Wiltse | Second | 5½ out |
| Saturday, August 28 |
| » Defeated Giants (68-44), 6-1 | Polo Grounds IV (6-2) | 77-37 | Won 2 |
| » Starters: Mordecai Brown vs Christy Mathewson | Second | 6 out |
| Monday, August 30 |
| » Defeated Giants (68-45), 2-0 | Polo Grounds IV (7-2) | 78-37 | Won 3 |
| » Starters: Jack Pfiester vs Red Ames | Second | 6½ out |
| » Lost to Giants (69-45), 5-0 | Polo Grounds IV (7-3) | 78-38 | |
| » Starters: Ed Reulbach vs Christy Mathewson | Second | 6½ out |
| Tuesday, August 31 |
| » Defeated Giants (69-46), 2-0 | Polo Grounds IV (8-3) | 79-38 | |
| » Starters: Mordecai Brown vs Hooks Wiltse | Second | 6½ out |
| Wednesday, September 1 |
| » Defeated Dodgers (41-77), 12-0 | Washington Park III (7-2) | 80-38 | Won 2 |
| » Starters: Orval Overall vs George Bell | Second | 6 out |
| Thursday, September 2 |
| » Lost to Dodgers (42-77), 3-1 | Washington Park III (7-3) | 80-39 | |
| » Starters: Ed Reulbach vs Nap Rucker | Second | 6½ out |
| Friday, September 3 |
| » Defeated Dodgers (42-78), 10-4 | Washington Park III (8-3) | 81-39 | |
| » Starters: Jack Pfiester vs Harry McIntire | Second | 6 out |
| Saturday, September 4 |
| » Defeated Reds (63-60), 3-0 | Palace of the Fans (6-2) | 82-39 | Won 2 |
| » Starters: Orval Overall vs Harry Gaspar | Second | 6 out |
| Sunday, September 5 |
| » Lost to Pirates (90-33), 5-1 | West Side Grounds (33-23) | 82-40 | |
| » Starters: Howie Camnitz vs Mordecai Brown | Second | 7 out |
| Monday, September 6 |
| » Defeated Pirates (90-34), 3-1 | Forbes Field (4-2) | 83-40 | |
| » Starters: Ed Reulbach vs Babe Adams | Second | 5 out |
| » Defeated Pirates (90-35), 6-3 | Forbes Field (5-2) | 84-40 | Won 2 |
| » Starters: Orval Overall vs Vic Willis | Second | 5 out |
| Tuesday, September 7 |
| » Lost to Pirates (91-35), 6-2 | Forbes Field (5-3) | 84-41 | |
| » Starters: Ed Reulbach vs Nick Maddox | Second | 6 out |
| Wednesday, September 8 |
| » Defeated Pirates (91-36), 4-2 | Forbes Field (6-3) | 85-41 | |
| » Starters: Mordecai Brown vs Howie Camnitz | Second | 5 out |
| Thursday, September 9 |
| » Defeated Cardinals (47-78), 2-1 | West Side Grounds (34-23) | 86-41 | Won 2 |
| » Starters: Johnny Lush vs Orval Overall | Second | 5 out |
| Friday, September 10 |
| » Defeated Cardinals (47-79), 3-1 | West Side Grounds (35-23) | 87-41 | Won 3 |
| » Starters: Fred Beebe vs Ed Reulbach | Second | 4½ out |
| » Defeated Cardinals (47-80), 9-3 | West Side Grounds (36-23) | 88-41 | Won 4 |
| » Starters: Bob Harmon vs Irv Higginbotham | Second | 4½ out |
| Saturday, September 11 |
| » Defeated Cardinals (47-81), 10-4 | West Side Grounds (37-23) | 89-41 | Won 5 |
| » Starters: Les Backman vs Irv Higginbotham | Second | 4½ out |
| Sunday, September 12 |
| » Defeated Reds (65-65), 5-0 | Palace of the Fans (7-2) | 90-41 | Won 6 |
| » Starters: Orval Overall vs Bob Ewing | Second | 4½ out |
| Monday, September 13 |
| » Lost to Reds (66-65), 3-1 | Palace of the Fans (7-3) | 90-42 | |
| » Starters: Ed Reulbach vs Art Fromme | Second | 5½ out |
| Tuesday, September 14 |
| » Defeated Reds (66-66), 4-0 | Palace of the Fans (8-3) | 91-42 | |
| » Starters: Mordecai Brown vs Harry Gaspar | Second | 5 out |
| Thursday, September 16 |
| » Lost to Giants (78-52), 2-1 | West Side Grounds (37-24) | 91-43 | |
| » Starters: Christy Mathewson vs Mordecai Brown | Second | 6½ out |
| Friday, September 17 |
| » Lost to Giants (79-52), 4-1 | West Side Grounds (37-25) | 91-44 | Lost 2 |
| » Starters: Hooks Wiltse vs Jack Pfiester | Second | 7½ out |
| Saturday, September 18 |
| » Lost to Giants (80-52), 2-0 | West Side Grounds (37-26) | 91-45 | Lost 3 |
| » Starters: Red Ames vs Orval Overall | Second | 8½ out |
| Future Cub Rip Collins is born in Pittsburgh, PA. |
| Sunday, September 19 |
| » Tied Giants, 4-4 | West Side Grounds (37-26) | 91-45 | |
| » Starters: Rube Marquard vs Ed Reulbach | Second | 8½ out |
| Monday, September 20 |
| » Defeated Giants (80-53), 3-2 | West Side Grounds (38-26) | 92-45 | |
| » Starters: Rube Marquard vs Mordecai Brown | Second | 8½ out |
| Thursday, September 23 |
| » Lost to Dodgers (48-88), 4-1 | West Side Grounds (38-27) | 92-46 | |
| » Starters: Doc Scanlan vs Rudy Schwenck | Second | 10 out |
| » Defeated Dodgers (48-89), 4-1 | West Side Grounds (39-27) | 93-46 | |
| » Starters: George Hunter vs Rip Hagerman | Second | 10 out |
| » Major-league debuts: Fred Luderus (Cubs) |
| Friday, September 24 |
| » Defeated Braves (39-100), 9-1 | West Side Grounds (40-27) | 94-46 | Won 2 |
| » Starters: Buster Brown vs Rube Kroh | Second | 10 out |
| Saturday, September 25 |
| » Defeated Braves (39-101), 7-4 | West Side Grounds (41-27) | 95-46 | Won 3 |
| » Starters: Al Mattern vs Jack Pfiester | Second | 10 out |
| Sunday, September 26 |
| » Defeated Braves (39-102), 3-2 | West Side Grounds (42-27) | 96-46 | Won 4 |
| » Starters: Cliff Curtis vs Rube Kroh | Second | 9½ out |
| Monday, September 27 |
| » Defeated Phillies (69-74), 4-1 | West Side Grounds (43-27) | 97-46 | Won 5 |
| » Starters: Frank Corridon vs Orval Overall | Second | 9 out |
| Tuesday, September 28 |
| » Lost to Phillies (70-74), 3-2 | West Side Grounds (43-28) | 97-47 | |
| » Starters: Earl Moore vs Ed Reulbach | Second | 9 out |
| Wednesday, September 29 |
| » Defeated Phillies (70-75), 5-4 | West Side Grounds (44-28) | 98-47 | |
| » Starters: George McQuillan vs Jack Pfiester | Second | 7½ out |
| » Defeated Phillies (70-76), 6-3 | West Side Grounds (45-28) | 99-47 | Won 2 |
| » Starters: Lew Moren vs Ray Brown | Second | 7½ out |
| Saturday, October 2 |
| » Defeated Pirates (108-41), 3-1 | West Side Grounds (46-28) | 100-47 | Won 3 |
| » Starters: Nick Maddox vs Ed Reulbach | Second | 6½ out |
| Sunday, October 3 |
| » Lost to Pirates (109-41), 4-1 | West Side Grounds (46-29) | 100-48 | |
| » Starters: Lefty Leifield vs Orval Overall | Second | 7½ out |
| Monday, October 4 |
| » Defeated Pirates (109-42), 8-2 | West Side Grounds (47-29) | 101-48 | |
| » Starters: Sam Frock vs Mordecai Brown | Second | 6½ out |
| Tuesday, October 5 |
| » Defeated Cardinals (53-96), 6-1 | Robison Field (6-2) | 102-48 | Won 2 |
| » Starters: Jack Pfiester vs John Raleigh | Second | 7½ out |
| » Lost to Cardinals (54-96), 4-3 | Robison Field (6-3) | 102-49 | |
| » Starters: Rip Hagerman vs Bob Harmon | Second | 7½ out |
| Wednesday, October 6 |
| » Defeated Cardinals (54-97), 8-0 | Robison Field (7-3) | 103-49 | |
| » Starters: King Cole vs Eddie Higgins | Second | 6½ out |
| » Defeated Cardinals (54-98), 5-1 | Robison Field (8-3) | 104-49 | Won 2 |
| » Starters: Rudy Schwenck vs Fred Beebe | Second | 6½ out |
| » Major-league debuts: King Cole (Cubs) |
| Thursday, October 21 |
| Future Cub Bill Lee is born in Plaquemine, LA. |
| Monday, December 6 |
| Future Cub Stan Hack is born in Sacramento, CA. |
Game information provided by Retrosheet (www.retrosheet.org) |
