| Tuesday, January 14 |
| Former Cub Hal O'Hagen dies in Newark, NJ at the age of 40. |
| Sunday, March 2 |
| Future Cub Mort Cooper is born in Atherton, MO. |
| Sunday, March 16 |
| Future Cub Ken O'Dea is born in Lima, NY. |
| Wednesday, April 9 |
| » Major-league debuts: Benny Meyer (Dodgers) |
| Thursday, April 10 |
| » Major-league debuts: Ralph Young (Yankees) |
| Saturday, April 12 |
| » Lost to Cardinals (1-0), 5-3 | West Side Grounds (0-1) | 0-1 | |
| » Starters: Dan Griner vs Jimmy Lavender | Third | 1 out |
| Sunday, April 13 |
| » Defeated Pirates (1-1), 7-4 | West Side Grounds (1-1) | 1-1 | |
| » Starters: Claude Hendrix vs Larry Cheney | Second | ½ out |
| Monday, April 14 |
| » Lost to Pirates (2-1), 8-5 | West Side Grounds (1-2) | 1-2 | |
| » Starters: Hank Robinson vs Lew Richie | Fourth | 1 out |
| Tuesday, April 15 |
| » Defeated Pirates (2-2), 5-4 | West Side Grounds (2-2) | 2-2 | |
| » Starters: Wilbur Cooper vs Charlie Smith | Fifth | 1 out |
| Thursday, April 17 |
| » Defeated Cardinals (2-2), 7-1 | Robison Field (1-0) | 3-2 | Won 2 |
| » Starters: Larry Cheney vs Dan Griner | Second | 1 out |
| Friday, April 18 |
| » Lost to Cardinals (3-2), 8-2 | Robison Field (1-1) | 3-3 | |
| » Starters: Jimmy Lavender vs Slim Sallee | Fourth | 1½ out |
| Saturday, April 19 |
| » Defeated Cardinals (3-3), 6-1 | Robison Field (2-1) | 4-3 | |
| » Starters: Lew Richie vs Ben Hunt | Third | 1½ out |
| Sunday, April 20 |
| » Defeated Reds (1-5), 3-2 | Crosley Field (1-0) | 5-3 | Won 2 |
| » Starters: Larry Cheney vs Rube Benton | Fourth | 2 out |
| Monday, April 21 |
| » Defeated Reds (1-6), 7-6 | Crosley Field (2-0) | 6-3 | Won 3 |
| » Starters: Jimmy Lavender vs Chief Johnson | Fourth | 2 out |
| Tuesday, April 22 |
| » Defeated Reds (1-7), 8-5 | Crosley Field (3-0) | 7-3 | Won 4 |
| » Starters: Lefty Leifield vs Art Fromme | Fourth | 2½ out |
| Wednesday, April 23 |
| » Tied Reds, 5-5 | Crosley Field (3-0) | 7-3 | |
| » Starters: George Pearce vs Ralph Works | Second | 1 out |
| Friday, April 25 |
| » Lost to Pirates (8-3), 6-3 | Forbes Field (0-1) | 7-4 | |
| » Starters: Lew Richie vs Hank Robinson | Third | 1 out |
| Saturday, April 26 |
| » Defeated Pirates (8-4), 7-2 | Forbes Field (1-1) | 8-4 | |
| » Starters: Charlie Smith vs Babe Adams | Second | 1 out |
| Sunday, April 27 |
| » Defeated Pirates (8-5), 7-5 | West Side Grounds (3-2) | 9-4 | Won 2 |
| » Starters: Howie Camnitz vs Bert Humphries | Second | 1½ out |
| Monday, April 28 |
| » Defeated Pirates (8-6), 8-5 | West Side Grounds (4-2) | 10-4 | Won 3 |
| » Starters: Claude Hendrix vs Fred Toney | First | -- |
| Tuesday, April 29 |
| » Defeated Reds (2-11), 7-2 | West Side Grounds (5-2) | 11-4 | Won 4 |
| » Starters: Rube Benton vs Larry Cheney | First | -- |
| Wednesday, April 30 |
| » Defeated Reds (2-12), 4-3 | West Side Grounds (6-2) | 12-4 | Won 5 |
| » Starters: George Suggs vs George Pearce | First | -- |
| Thursday, May 1 |
| » Lost to Reds (3-12), 8-4 | West Side Grounds (6-3) | 12-5 | |
| » Starters: Chief Johnson vs Charlie Smith | First | -- |
| Friday, May 2 |
| » Defeated Reds (3-13), 4-1 | West Side Grounds (7-3) | 13-5 | |
| » Starters: Chick Smith vs Larry Cheney | First | -- |
| Saturday, May 3 |
| » Lost to Reds (4-13), 9-4 | West Side Grounds (7-4) | 13-6 | |
| » Starters: Rube Benton vs Orval Overall | First | -- |
| Sunday, May 4 |
| » Lost to Cardinals (11-8), 10-8 | West Side Grounds (7-5) | 13-7 | Lost 2 |
| » Starters: Pol Perritt vs Lew Richie | Second | 4 out |
| Tuesday, May 6 |
| » Lost to Dodgers (11-7), 4-3 | Ebbets Field (0-1) | 13-8 | Lost 3 |
| » Starters: Larry Cheney vs Pat Ragan | Second | 3½ out |
| Wednesday, May 7 |
| » Defeated Dodgers (11-8), 4-3 | Ebbets Field (1-1) | 14-8 | |
| » Starters: Fred Toney vs Frank Allen | Second | 3½ out |
| Thursday, May 8 |
| » Lost to Dodgers (12-8), 2-1 | Ebbets Field (1-2) | 14-9 | |
| » Starters: Jimmy Lavender vs Nap Rucker | Second | 3½ out |
| Friday, May 9 |
| » Lost to Dodgers (13-8), 7-5 | Ebbets Field (1-3) | 14-10 | Lost 2 |
| » Starters: George Pearce vs Eddie Stack | Third | 3½ out |
| Saturday, May 10 |
| » Defeated Giants (10-11), 2-1 | Polo Grounds V (1-0) | 15-10 | |
| » Starters: Larry Cheney vs Al Demaree | Third | 3½ out |
| Monday, May 12 |
| » Lost to Giants (11-11), 5-1 | Polo Grounds V (1-1) | 15-11 | |
| » Starters: Lew Richie vs Christy Mathewson | Third | 3½ out |
| Tuesday, May 13 |
| » Lost to Giants (12-11), 8-2 | Polo Grounds V (1-2) | 15-12 | Lost 2 |
| » Starters: Fred Toney vs Jeff Tesreau | Fourth | 3½ out |
| Wednesday, May 14 |
| » Lost to Giants (13-11), 14-11 | Polo Grounds V (1-3) | 15-13 | Lost 3 |
| » Starters: Larry Cheney vs Rube Marquard | Fifth | 3½ out |
| Thursday, May 15 |
| » Lost to Phillies (15-7), 6-5 | Baker Bowl (0-1) | 15-14 | Lost 4 |
| » Starters: Orval Overall vs Pete Alexander | Fifth | 3½ out |
| Friday, May 16 |
| » Lost to Phillies (16-7), 10-4 | Baker Bowl (0-2) | 15-15 | Lost 5 |
| » Starters: Fred Toney vs Eppa Rixey | Fifth | 4½ out |
| Monday, May 19 |
| » Lost to Phillies (17-7), 10-4 | Baker Bowl (0-3) | 15-16 | Lost 6 |
| » Starters: Jimmy Lavender vs Ad Brennan | Fourth | 5½ out |
| Tuesday, May 20 |
| » Defeated Braves (11-16), 7-3 | South End Grounds III (1-0) | 16-16 | |
| » Starters: Orval Overall vs Hub Perdue | Fifth | 5½ out |
| Wednesday, May 21 |
| » Defeated Braves (11-17), 6-5 | South End Grounds III (2-0) | 17-16 | Won 2 |
| » Starters: Ed Reulbach vs Otto Hess | Fifth | 5½ out |
| Saturday, May 24 |
| » Lost to Pirates (16-18), 4-3 | Forbes Field (1-2) | 17-17 | |
| » Starters: Larry Cheney vs Howie Camnitz | Fifth | 7 out |
| Sunday, May 25 |
| » Defeated Cardinals (18-16), 9-2 | West Side Grounds (8-5) | 18-17 | |
| » Starters: Bill Steele vs George Pearce | Fifth | 6½ out |
| Tuesday, May 27 |
| » Defeated Cardinals (18-17), 2-1 | West Side Grounds (9-5) | 19-17 | Won 2 |
| » Starters: Slim Sallee vs Orval Overall | Third | 6½ out |
| Wednesday, May 28 |
| » Defeated Cardinals (18-18), 8-7 | West Side Grounds (10-5) | 20-17 | Won 3 |
| » Starters: Dan Griner vs George Pearce | Third | 6 out |
| Thursday, May 29 |
| » Lost to Pirates (17-20), 5-4 | Forbes Field (1-3) | 20-18 | |
| » Starters: Bert Humphries vs Hank Robinson | Third | 6 out |
| Friday, May 30 |
| » Lost to Pirates (18-20), 2-1 | Forbes Field (1-4) | 20-19 | Lost 2 |
| » Starters: Ed Reulbach vs Howie Camnitz | Fourth | 5½ out |
| Saturday, May 31 |
| » Lost to Pirates (19-20), 4-0 | Forbes Field (1-5) | 20-20 | Lost 3 |
| » Starters: Charlie Smith vs Babe Adams | Fourth | 5½ out |
| Sunday, June 1 |
| » Defeated Cardinals (19-23), 4-2 | Robison Field (3-1) | 21-20 | |
| » Starters: Larry Cheney vs Bob Harmon | Fourth | 5 out |
| Wednesday, June 4 |
| » Defeated Braves (14-23), 5-0 | West Side Grounds (11-5) | 22-20 | Won 2 |
| » Starters: Dick Rudolph vs Orval Overall | Fourth | 5½ out |
| Thursday, June 5 |
| » Lost to Braves (15-23), 8-4 | West Side Grounds (11-6) | 22-21 | |
| » Starters: Otto Hess vs Larry Cheney | Fourth | 5½ out |
| Friday, June 6 |
| » Lost to Braves (16-23), 5-4 | West Side Grounds (11-7) | 22-22 | Lost 2 |
| » Starters: Walt Dickson vs George Pearce | Fourth | 6½ out |
| Saturday, June 7 |
| » Defeated Braves (16-24), 9-6 | West Side Grounds (12-7) | 23-22 | |
| » Starters: Lefty Tyler vs Ed Reulbach | Fourth | 6½ out |
| Sunday, June 8 |
| » Defeated Giants (23-18), 2-1 | West Side Grounds (13-7) | 24-22 | Won 2 |
| » Starters: Jeff Tesreau vs Charlie Smith | Fourth | 6½ out |
| Monday, June 9 |
| » Lost to Giants (24-18), 11-3 | West Side Grounds (13-8) | 24-23 | |
| » Starters: Christy Mathewson vs Orval Overall | Fourth | 7½ out |
| Tuesday, June 10 |
| » Defeated Giants (24-19), 3-2 | West Side Grounds (14-8) | 25-23 | |
| » Starters: Rube Marquard vs Larry Cheney | Fourth | 7½ out |
| Wednesday, June 11 |
| » Lost to Giants (25-19), 5-2 | West Side Grounds (14-9) | 25-24 | |
| » Starters: Art Fromme vs Charlie Smith | Fourth | 7½ out |
| Thursday, June 12 |
| » Defeated Dodgers (23-21), 6-1 | West Side Grounds (15-9) | 26-24 | |
| » Starters: Nap Rucker vs Bert Humphries | Fourth | 7½ out |
| Friday, June 13 |
| » Defeated Dodgers (23-22), 7-6 | West Side Grounds (16-9) | 27-24 | Won 2 |
| » Starters: Pat Ragan vs George Pearce | Third | 7½ out |
| Saturday, June 14 |
| » Defeated Dodgers (23-23), 5-1 | West Side Grounds (17-9) | 28-24 | Won 3 |
| » Starters: Cliff Curtis vs Jimmy Lavender | Third | 7½ out |
| Sunday, June 15 |
| » Lost to Dodgers (24-23), 9-2 | West Side Grounds (17-10) | 28-25 | |
| » Starters: Frank Allen vs Fred Toney | Third | 7½ out |
| Monday, June 16 |
| » Defeated Phillies (32-15), 13-3 | West Side Grounds (18-10) | 29-25 | |
| » Starters: Pete Alexander vs Larry Cheney | Third | 6½ out |
| Tuesday, June 17 |
| » Defeated Phillies (32-16), 4-0 | West Side Grounds (19-10) | 30-25 | Won 2 |
| » Starters: Ad Brennan vs Charlie Smith | Third | 5½ out |
| Wednesday, June 18 |
| » Defeated Phillies (32-17), 4-0 | West Side Grounds (20-10) | 31-25 | Won 3 |
| » Starters: Tom Seaton vs Bert Humphries | Third | 4½ out |
| Thursday, June 19 |
| » Lost to Phillies (33-17), 2-1 | West Side Grounds (20-11) | 31-26 | |
| » Starters: Pete Alexander vs Jimmy Lavender | Fourth | 5½ out |
| Friday, June 20 |
| » Lost to Cardinals (24-34), 4-2 | Robison Field (3-2) | 31-27 | Lost 2 |
| » Starters: Larry Cheney vs Slim Sallee | Fourth | 6 out |
| Sunday, June 22 |
| » Defeated Cardinals (24-35), 6-0 | Robison Field (4-2) | 32-27 | |
| » Starters: George Pearce vs Pol Perritt | Fourth | 6½ out |
| Tuesday, June 24 |
| » Lost to Cardinals (25-35), 1-0 | Robison Field (4-3) | 32-28 | |
| » Starters: Jimmy Lavender vs Dan Griner | Fourth | 8 out |
| Wednesday, June 25 |
| » Lost to Reds (22-39), 12-4 | Crosley Field (3-1) | 32-29 | Lost 2 |
| » Starters: Larry Cheney vs Gene Packard | Fourth | 9 out |
| Thursday, June 26 |
| » Lost to Reds (23-39), 5-3 | Crosley Field (3-2) | 32-30 | Lost 3 |
| » Starters: Larry Cheney vs Mordecai Brown | Fourth | 8½ out |
| Friday, June 27 |
| » Lost to Reds (24-39), 5-1 | Crosley Field (3-3) | 32-31 | Lost 4 |
| » Starters: Charlie Smith vs Rube Benton | Fourth | 8½ out |
| Saturday, June 28 |
| » Defeated Reds (24-40), 3-1 | Crosley Field (4-3) | 33-31 | |
| » Starters: Bert Humphries vs George Suggs | Fourth | 7½ out |
| Sunday, June 29 |
| » Lost to Reds (25-40), 9-6 | Crosley Field (4-4) | 33-32 | |
| » Starters: George Pearce vs Red Ames | Fourth | 8 out |
| Monday, June 30 |
| » Defeated Pirates (30-35), 12-2 | West Side Grounds (21-11) | 34-32 | |
| » Starters: Howie Camnitz vs Jimmy Lavender | Fourth | 7½ out |
| Tuesday, July 1 |
| » Defeated Pirates (30-36), 3-2 | West Side Grounds (22-11) | 35-32 | Won 2 |
| » Starters: Hank Robinson vs Larry Cheney | Fourth | 7½ out |
| Wednesday, July 2 |
| » Defeated Pirates (30-37), 6-4 | West Side Grounds (23-11) | 36-32 | Won 3 |
| » Starters: Babe Adams vs Bert Humphries | Fourth | 7½ out |
| Thursday, July 3 |
| » Defeated Reds (26-43), 5-1 | West Side Grounds (24-11) | 37-32 | Won 4 |
| » Starters: George Suggs vs Jimmy Lavender | Fourth | 7½ out |
| Friday, July 4 |
| » Lost to Reds (27-43), 4-0 | West Side Grounds (24-12) | 37-33 | |
| » Starters: Mordecai Brown vs Charlie Smith | Third | 8½ out |
| » Defeated Reds (27-44), 5-3 | West Side Grounds (25-12) | 38-33 | |
| » Starters: Red Ames vs Larry Cheney | Third | 8½ out |
| Saturday, July 5 |
| » Defeated Reds (27-45), 12-6 | West Side Grounds (26-12) | 39-33 | Won 2 |
| » Starters: Frank Harter vs Bert Humphries | Third | 8½ out |
| Sunday, July 6 |
| » Defeated Cardinals (30-41), 6-0 | West Side Grounds (27-12) | 40-33 | Won 3 |
| » Starters: Bob Harmon vs George Pearce | Third | 8½ out |
| » Cubs forfeited to Cardinals. | West Side Grounds (27-13) | 40-34 | |
| » Starters: Slim Sallee vs Orval Overall | Third | 8½ out |
| Tuesday, July 8 |
| » Lost to Giants (48-23), 6-5 | Polo Grounds V (1-4) | 40-35 | Lost 2 |
| » Starters: Jimmy Lavender vs Jeff Tesreau | Third | 10 out |
| Wednesday, July 9 |
| » Lost to Giants (49-23), 3-0 | Polo Grounds V (1-5) | 40-36 | Lost 3 |
| » Starters: Larry Cheney vs Rube Marquard | Third | 11 out |
| Thursday, July 10 |
| » Defeated Giants (49-24), 3-2 | Polo Grounds V (2-5) | 41-36 | |
| » Starters: Charlie Smith vs Christy Mathewson | Third | 10 out |
| Friday, July 11 |
| » Lost to Giants (50-24), 14-4 | Polo Grounds V (2-6) | 41-37 | |
| » Starters: Jimmy Lavender vs Jeff Tesreau | Third | 11 out |
| Saturday, July 12 |
| » Defeated Dodgers (35-38), 6-5 | Ebbets Field (2-3) | 42-37 | |
| » Starters: Bert Humphries vs Pat Ragan | Third | 11 out |
| Monday, July 14 |
| » Lost to Dodgers (36-38), 9-2 | Ebbets Field (2-4) | 42-38 | |
| » Starters: George Pearce vs Cliff Curtis | Third | 12 out |
| Tuesday, July 15 |
| » Defeated Dodgers (36-39), 9-6 | Ebbets Field (3-4) | 43-38 | |
| » Starters: Larry Cheney vs Pat Ragan | Third | 12 out |
| Wednesday, July 16 |
| » Lost to Dodgers (37-39), 4-3 | Ebbets Field (3-5) | 43-39 | |
| » Starters: Jimmy Lavender vs Frank Allen | Third | 13 out |
| Thursday, July 17 |
| » Lost to Braves (35-45), 4-2 | South End Grounds III (2-1) | 43-40 | Lost 2 |
| » Starters: Charlie Smith vs Lefty Tyler | Third | 13 out |
| » Defeated Braves (35-46), 6-1 | South End Grounds III (3-1) | 44-40 | |
| » Starters: Bert Humphries vs Hub Perdue | Third | 13 out |
| Friday, July 18 |
| » Major-league debuts: Larry Chappell (White Sox) |
| Saturday, July 19 |
| » Lost to Braves (36-46), 5-4 | South End Grounds III (3-2) | 44-41 | |
| » Starters: Larry Cheney vs Walt Dickson | Fourth | 14 out |
| Monday, July 21 |
| » Defeated Braves (36-47), 6-2 | South End Grounds III (4-2) | 45-41 | |
| » Starters: Orval Overall vs Dick Rudolph | Fourth | 14 out |
| Tuesday, July 22 |
| » Lost to Phillies (49-32), 6-5 | Baker Bowl (0-4) | 45-42 | |
| » Starters: Jimmy Lavender vs Pete Alexander | Fourth | 16 out |
| » Lost to Phillies (50-32), 8-6 | Baker Bowl (0-5) | 45-43 | Lost 2 |
| » Starters: Bert Humphries vs Eppa Rixey | Fourth | 16 out |
| Wednesday, July 23 |
| » Defeated Phillies (50-33), 13-8 | Baker Bowl (1-5) | 46-43 | |
| » Starters: Larry Cheney vs George Chalmers | Third | 16 out |
| Saturday, July 26 |
| » Lost to Braves (38-49), 2-1 | West Side Grounds (27-14) | 46-44 | |
| » Starters: Dick Rudolph vs Orval Overall | Third | 16 out |
| Sunday, July 27 |
| » Defeated Braves (38-50), 6-5 | West Side Grounds (28-14) | 47-44 | |
| » Starters: Otto Hess vs Jimmy Lavender | Third | 16 out |
| Monday, July 28 |
| » Defeated Braves (38-51), 9-4 | West Side Grounds (29-14) | 48-44 | Won 2 |
| » Starters: Lefty Tyler vs Bert Humphries | Third | 16 out |
| Tuesday, July 29 |
| » Lost to Braves (39-51), 9-1 | West Side Grounds (29-15) | 48-45 | |
| » Starters: Walt Dickson vs Orval Overall | Third | 17½ out |
| Wednesday, July 30 |
| » Defeated Giants (65-28), 5-0 | West Side Grounds (30-15) | 49-45 | |
| » Starters: Jeff Tesreau vs Larry Cheney | Third | 16½ out |
| Thursday, July 31 |
| » Defeated Giants (65-29), 5-4 | West Side Grounds (31-15) | 50-45 | Won 2 |
| » Starters: Rube Marquard vs Jimmy Lavender | Third | 15½ out |
| Future Cub Bill Fleming is born in Rowland, CA. |
| Friday, August 1 |
| » Lost to Giants (66-29), 5-2 | West Side Grounds (31-16) | 50-46 | |
| » Starters: Christy Mathewson vs Bert Humphries | Third | 16½ out |
| Saturday, August 2 |
| » Lost to Giants (67-29), 2-1 | West Side Grounds (31-17) | 50-47 | Lost 2 |
| » Starters: Jeff Tesreau vs Larry Cheney | Fourth | 17½ out |
| Sunday, August 3 |
| » Defeated Dodgers (42-50), 12-5 | West Side Grounds (32-17) | 51-47 | |
| » Starters: Pat Ragan vs Jimmy Lavender | Third | 17 out |
| Monday, August 4 |
| » Lost to Dodgers (43-50), 7-1 | West Side Grounds (32-18) | 51-48 | |
| » Starters: Frank Allen vs Earl Moore | Third | 18 out |
| Tuesday, August 5 |
| » Defeated Dodgers (43-51), 13-2 | West Side Grounds (33-18) | 52-48 | |
| » Starters: Nap Rucker vs George Pearce | Third | 17 out |
| Wednesday, August 6 |
| » Defeated Dodgers (43-52), 4-3 | West Side Grounds (34-18) | 53-48 | Won 2 |
| » Starters: Mysterious Walker vs Larry Cheney | Third | 16 out |
| Thursday, August 7 |
| » Defeated Phillies (60-36), 5-2 | West Side Grounds (35-18) | 54-48 | Won 3 |
| » Starters: Tom Seaton vs Eddie Stack | Third | 16 out |
| Friday, August 8 |
| » Lost to Phillies (61-36), 16-3 | West Side Grounds (35-19) | 54-49 | |
| » Starters: Pete Alexander vs Jimmy Lavender | Fourth | 16 out |
| Saturday, August 9 |
| » Defeated Phillies (61-37), 4-3 | West Side Grounds (36-19) | 55-49 | |
| » Starters: Eppa Rixey vs Bert Humphries | Third | 16 out |
| Monday, August 11 |
| Future Cub Bob Scheffing is born in Overland, MO. |
| Tuesday, August 12 |
| » Lost to Braves (43-58), 7-3 | South End Grounds III (4-3) | 55-50 | |
| » Starters: Larry Cheney vs Walt Dickson | Fourth | 18 out |
| » Lost to Braves (44-58), 9-3 | South End Grounds III (4-4) | 55-51 | Lost 2 |
| » Starters: Eddie Stack vs Otto Hess | Fourth | 18 out |
| Thursday, August 14 |
| » Defeated Braves (44-59), 9-7 | South End Grounds III (5-4) | 56-51 | |
| » Starters: Bert Humphries vs Lefty Tyler | Third | 18 out |
| » Defeated Braves (44-60), 5-1 | South End Grounds III (6-4) | 57-51 | Won 2 |
| » Starters: George Pearce vs Hub Perdue | Third | 18 out |
| Friday, August 15 |
| » Defeated Braves (44-61), 14-6 | South End Grounds III (7-4) | 58-51 | Won 3 |
| » Starters: Jimmy Lavender vs Otto Hess | Third | 18 out |
| Saturday, August 16 |
| » Defeated Phillies (64-38), 4-3 | Baker Bowl (2-5) | 59-51 | Won 4 |
| » Starters: Eddie Stack vs Erskine Mayer | Third | 16½ out |
| » Defeated Phillies (64-39), 8-3 | Baker Bowl (3-5) | 60-51 | Won 5 |
| » Starters: Larry Cheney vs Eppa Rixey | Third | 16½ out |
| Monday, August 18 |
| » Defeated Phillies (64-40), 10-4 | Baker Bowl (4-5) | 61-51 | Won 6 |
| » Starters: Bert Humphries vs Pete Alexander | Third | 17 out |
| Tuesday, August 19 |
| » Defeated Phillies (64-41), 3-2 | Baker Bowl (5-5) | 62-51 | Won 7 |
| » Starters: George Pearce vs Tom Seaton | Third | 16 out |
| Wednesday, August 20 |
| » Lost to Phillies (65-41), 3-1 | Baker Bowl (5-6) | 62-52 | |
| » Starters: Jimmy Lavender vs Ad Brennan | Third | 16 out |
| Thursday, August 21 |
| » Lost to Giants (78-35), 8-2 | Polo Grounds V (2-7) | 62-53 | Lost 2 |
| » Starters: Eddie Stack vs Christy Mathewson | Third | 17 out |
| Friday, August 22 |
| » Lost to Giants (79-35), 8-1 | Polo Grounds V (2-8) | 62-54 | Lost 3 |
| » Starters: Larry Cheney vs Jeff Tesreau | Third | 18 out |
| Saturday, August 23 |
| » Lost to Giants (80-35), 3-2 | Polo Grounds V (2-9) | 62-55 | Lost 4 |
| » Starters: Charlie Smith vs Rube Marquard | Fourth | 19 out |
| Monday, August 25 |
| » Defeated Dodgers (51-62), 5-4 | Ebbets Field (4-5) | 63-55 | |
| » Starters: Bert Humphries vs Frank Allen | Third | 19 out |
| Tuesday, August 26 |
| » Defeated Dodgers (51-63), 6-3 | Ebbets Field (5-5) | 64-55 | Won 2 |
| » Starters: George Pearce vs Pat Ragan | Third | 19 out |
| Wednesday, August 27 |
| » Defeated Dodgers (51-64), 3-0 | Ebbets Field (6-5) | 65-55 | Won 3 |
| » Starters: Hippo Vaughn vs Ed Reulbach | Third | 18 out |
| Friday, August 29 |
| » Defeated Pirates (63-55), 6-1 | Forbes Field (2-5) | 66-55 | Won 4 |
| » Starters: Larry Cheney vs George McQuillan | Third | 16½ out |
| Saturday, August 30 |
| » Lost to Pirates (64-55), 3-1 | Forbes Field (2-6) | 66-56 | |
| » Starters: Charlie Smith vs Hank Robinson | Third | 16½ out |
| Sunday, August 31 |
| » Defeated Pirates (64-56), 10-0 | West Side Grounds (37-19) | 67-56 | |
| » Starters: Marty O'Toole vs Bert Humphries | Third | 16 out |
| Monday, September 1 |
| » Defeated Cardinals (45-81), 2-1 | Robison Field (5-3) | 68-56 | Won 2 |
| » Starters: Larry Cheney vs Slim Sallee | Third | 16½ out |
| » Tied Cardinals, 2-2 | Robison Field (5-3) | 68-56 | |
| » Starters: George Pearce vs Bill Doak | Third | 16½ out |
| Future Cub Joe Marty is born in Sacramento, CA. |
| Tuesday, September 2 |
| » Defeated Cardinals (45-82), 5-3 | Robison Field (6-3) | 69-56 | Won 3 |
| » Starters: Earl Moore vs Pol Perritt | Third | 15 out |
| » Defeated Cardinals (45-83), 6-1 | Robison Field (7-3) | 70-56 | Won 4 |
| » Starters: Hippo Vaughn vs Dan Griner | Third | 15 out |
| Wednesday, September 3 |
| » Defeated Cardinals (45-84), 7-2 | Robison Field (8-3) | 71-56 | Won 5 |
| » Starters: Doc Watson vs Harry Trekell | Third | 14 out |
| » Major-league debuts: Doc Watson (Cubs) |
| Thursday, September 4 |
| » Major-league debuts: Hal Schwenk (Browns) |
| Friday, September 5 |
| » Lost to Reds (55-78), 9-4 | West Side Grounds (37-20) | 71-57 | |
| » Starters: Gene Packard vs Larry Cheney | Third | 15 out |
| Saturday, September 6 |
| » Defeated Reds (55-79), 5-3 | West Side Grounds (38-20) | 72-57 | |
| » Starters: Chief Johnson vs Bert Humphries | Third | 14 out |
| Sunday, September 7 |
| » Defeated Cardinals (46-89), 4-1 | West Side Grounds (39-20) | 73-57 | Won 2 |
| » Starters: Slim Sallee vs Charlie Smith | Third | 13 out |
| » Defeated Cardinals (46-90), 7-1 | West Side Grounds (40-20) | 74-57 | Won 3 |
| » Starters: Dan Griner vs George Pearce | Third | 13 out |
| Monday, September 8 |
| » Defeated Cardinals (46-91), 5-3 | West Side Grounds (41-20) | 75-57 | Won 4 |
| » Starters: Pol Perritt vs Hippo Vaughn | Third | 13 out |
| Tuesday, September 9 |
| » Defeated Cardinals (46-92), 4-0 | West Side Grounds (42-20) | 76-57 | Won 5 |
| » Starters: Dick Niehaus vs Eddie Stack | Third | 12½ out |
| Wednesday, September 10 |
| » Lost to Dodgers (57-73), 3-1 | West Side Grounds (42-21) | 76-58 | |
| » Starters: Nap Rucker vs Larry Cheney | Third | 13½ out |
| Thursday, September 11 |
| » Lost to Dodgers (58-73), 6-5 | West Side Grounds (42-22) | 76-59 | Lost 2 |
| » Starters: Ed Reulbach vs George Pearce | Third | 14½ out |
| Saturday, September 13 |
| » Defeated Dodgers (58-74), 4-0 | West Side Grounds (43-22) | 77-59 | |
| » Starters: Frank Allen vs Hippo Vaughn | Third | 14 out |
| Sunday, September 14 |
| » Defeated Giants (90-45), 7-0 | West Side Grounds (44-22) | 78-59 | Won 2 |
| » Starters: Rube Marquard vs Larry Cheney | Third | 13 out |
| Monday, September 15 |
| » Lost to Giants (91-45), 4-3 | West Side Grounds (44-23) | 78-60 | |
| » Starters: Jeff Tesreau vs Charlie Smith | Third | 14 out |
| Thursday, September 18 |
| » Defeated Braves (58-76), 3-0 | West Side Grounds (45-23) | 79-60 | |
| » Starters: Lefty Tyler vs George Pearce | Third | 14 out |
| » Lost to Braves (59-76), 3-0 | West Side Grounds (45-24) | 79-61 | |
| » Starters: Otto Hess vs Hippo Vaughn | Third | 14 out |
| » Major-league debuts: Bubbles Hargrave (Cubs) |
| Friday, September 19 |
| » Defeated Braves (59-77), 6-1 | West Side Grounds (46-24) | 80-61 | |
| » Starters: Hub Perdue vs Larry Cheney | Third | 13½ out |
| Sunday, September 21 |
| » Defeated Phillies (81-52), 8-7 | West Side Grounds (47-24) | 81-61 | Won 2 |
| » Starters: Pete Alexander vs Eddie Stack | Third | 12½ out |
| » Defeated Phillies (81-53), 3-2 | West Side Grounds (48-24) | 82-61 | Won 3 |
| » Starters: Ad Brennan vs Charlie Smith | Third | 12½ out |
| Monday, September 22 |
| » Lost to Phillies (82-53), 2-0 | West Side Grounds (48-25) | 82-62 | |
| » Starters: Pete Alexander vs Bert Humphries | Third | 12½ out |
| » Defeated Phillies (82-54), 5-1 | West Side Grounds (49-25) | 83-62 | |
| » Starters: George Chalmers vs George Pearce | Third | 12½ out |
| Tuesday, September 23 |
| » Major-league debuts: Tom Daly (White Sox) |
| Wednesday, September 24 |
| » Lost to Pirates (76-68), 3-2 | Forbes Field (2-7) | 83-63 | |
| » Starters: Larry Cheney vs Claude Hendrix | Third | 13½ out |
| Thursday, September 25 |
| » Defeated Pirates (76-69), 7-1 | Forbes Field (3-7) | 84-63 | |
| » Starters: Bert Humphries vs George McQuillan | Third | 13½ out |
| Friday, September 26 |
| » Lost to Pirates (77-69), 6-1 | Forbes Field (3-8) | 84-64 | |
| » Starters: Charlie Smith vs Babe Adams | Third | 14½ out |
| » Major-league debuts: Milo Allison and Fritz Mollwitz (Cubs) |
| Saturday, September 27 |
| » Defeated Reds (63-86), 11-2 | Crosley Field (5-4) | 85-64 | |
| » Starters: Hippo Vaughn vs Chief Johnson | Third | 13½ out |
| Sunday, September 28 |
| » Lost to Reds (64-86), 2-0 | Crosley Field (5-5) | 85-65 | |
| » Starters: Larry Cheney vs Gene Packard | Third | 13½ out |
| » Defeated Reds (64-87), 5-3 | Crosley Field (6-5) | 86-65 | |
| » Starters: Eddie Stack vs Jack Rowan | Third | 13½ out |
| Saturday, October 4 |
| » Defeated Pirates (78-70), 3-1 | West Side Grounds (50-25) | 87-65 | Won 2 |
| » Starters: Claude Hendrix vs George Pearce | Third | 14 out |
| Sunday, October 5 |
| » Defeated Pirates (78-71), 5-1 | West Side Grounds (51-25) | 88-65 | Won 3 |
| » Starters: Marty O'Toole vs Zip Zabel | Third | 13½ out |
| Tuesday, October 14 |
| Future Cub Hugh Casey is born in Atlanta, GA. |
| Monday, November 17 |
| Future Cub Stu Martin is born in Rich Square, NC. |
Game information provided by Retrosheet (www.retrosheet.org) |