| Wednesday, January 27 |
| Future Cub Bob Borkowski is born in Dayton, OH. |
| Saturday, February 6 |
| Future Cub Dale Long is born in Springfield, MO. |
| Wednesday, February 10 |
| Future Cub Randy Jackson is born in Little Rock, AR. |
| Friday, February 12 |
| Future Cub Joe Garagiola is born in St. Louis, MO. |
| Saturday, February 27 |
| Former Cub Otis Clymer dies in St.Paul, MN at the age of 51. |
| Thursday, March 18 |
| Future Cub Dick Littlefield is born in Detroit, MI. |
| Friday, March 19 |
| Former Cub Bill Hutchison dies in Kansas City, MO at the age of 67. |
| Saturday, April 3 |
| Future Cub Alex Grammas is born in Birmingham, AL. |
| Monday, April 12 |
| Future Cub Walt Moryn is born in St. Paul, MN. |
| Tuesday, April 13 |
| » Lost to Reds (1-0), 7-6 | Crosley Field (0-1) | 0-1 | |
| » Starters: Wilbur Cooper vs Pete Donohue | Second | 1 out |
| » Major-league debuts: Cuckoo Christensen (Reds) Joe Kelly and Pete Scott (Cubs) |
| Wednesday, April 14 |
| » Defeated Reds (1-1), 9-2 | Crosley Field (1-1) | 1-1 | |
| » Starters: Charlie Root vs Carl Mays | Second | 1 out |
| Friday, April 16 |
| » Lost to Reds (2-1), 2-1 | Crosley Field (1-2) | 1-2 | |
| » Starters: Pete Alexander vs Red Lucas | Third | 1½ out |
| Saturday, April 17 |
| » Lost to Cardinals (4-1), 3-2 | Sportsman's Park III (0-1) | 1-3 | Lost 2 |
| » Starters: Tony Kaufmann vs Bill Sherdel | Third | 2½ out |
| Sunday, April 18 |
| » Lost to Cardinals (5-1), 10-5 | Sportsman's Park III (0-2) | 1-4 | Lost 3 |
| » Starters: Sheriff Blake vs Flint Rhem | Seventh | 3½ out |
| Monday, April 19 |
| » Defeated Cardinals (5-2), 5-4 | Sportsman's Park III (1-2) | 2-4 | |
| » Starters: Charlie Root vs Walt Huntzinger | Sixth | 3 out |
| Tuesday, April 20 |
| » Defeated Cardinals (5-3), 7-0 | Sportsman's Park III (2-2) | 3-4 | Won 2 |
| » Starters: Wilbur Cooper vs Art Reinhart | Sixth | 2½ out |
| Wednesday, April 21 |
| » Defeated Reds (5-3), 4-2 | Wrigley Field (1-0) | 4-4 | Won 3 |
| » Starters: Pete Donohue vs Pete Alexander | Fourth | 2 out |
| Thursday, April 22 |
| » Tied Reds, 5-5 | Wrigley Field (1-0) | 4-4 | |
| » Starters: Dolf Luque vs Tony Kaufmann | Fourth | 2½ out |
| Friday, April 23 |
| » Defeated Reds (5-4), 18-1 | Wrigley Field (2-0) | 5-4 | Won 4 |
| » Starters: Carl Mays vs Charlie Root | Third | 2½ out |
| Sunday, April 25 |
| » Defeated Pirates (3-9), 4-3 | Wrigley Field (3-0) | 6-4 | Won 5 |
| » Starters: Emil Yde vs Percy Jones | Second | 1 out |
| Monday, April 26 |
| » Lost to Pirates (4-9), 8-6 | Wrigley Field (3-1) | 6-5 | |
| » Starters: Lee Meadows vs Wilbur Cooper | Third | 1 out |
| Tuesday, April 27 |
| » Lost to Pirates (5-9), 2-0 | Wrigley Field (3-2) | 6-6 | Lost 2 |
| » Starters: Johnny Morrison vs Pete Alexander | Fifth | 2 out |
| Wednesday, April 28 |
| » Lost to Pirates (6-9), 9-4 | Wrigley Field (3-3) | 6-7 | Lost 3 |
| » Starters: Vic Aldridge vs Tony Kaufmann | Fifth | 3 out |
| Thursday, April 29 |
| » Defeated Cardinals (8-7), 6-5 | Wrigley Field (4-3) | 7-7 | |
| » Starters: Syl Johnson vs Charlie Root | Fourth | 2 out |
| Friday, April 30 |
| » Defeated Cardinals (8-8), 10-9 | Wrigley Field (5-3) | 8-7 | Won 2 |
| » Starters: Allen Sothoron vs Sheriff Blake | Fourth | 1½ out |
| Saturday, May 1 |
| » Defeated Cardinals (8-9), 11-8 | Wrigley Field (6-3) | 9-7 | Won 3 |
| » Starters: Flint Rhem vs Wilbur Cooper | Second | ½ out |
| Sunday, May 2 |
| » Defeated Cardinals (8-10), 6-5 | Wrigley Field (7-3) | 10-7 | Won 4 |
| » Starters: Bill Sherdel vs Pete Alexander | Second | ½ out |
| Thursday, May 6 |
| » Lost to Giants (11-8), 2-1 | Wrigley Field (7-4) | 10-8 | |
| » Starters: Virgil Barnes vs Charlie Root | Fourth | 1½ out |
| Friday, May 7 |
| » Defeated Giants (11-9), 6-0 | Wrigley Field (8-4) | 11-8 | |
| » Starters: Jack Scott vs Tony Kaufmann | Third | 1½ out |
| Saturday, May 8 |
| » Defeated Giants (11-10), 6-4 | Wrigley Field (9-4) | 12-8 | Won 2 |
| » Starters: Hugh McQuillan vs Pete Alexander | Third | 1½ out |
| Sunday, May 9 |
| » Defeated Giants (11-11), 8-7 | Wrigley Field (10-4) | 13-8 | Won 3 |
| » Starters: Kent Greenfield vs Percy Jones | Second | 1½ out |
| Monday, May 10 |
| » Defeated Dodgers (15-8), 9-0 | Wrigley Field (11-4) | 14-8 | Won 4 |
| » Starters: Jesse Petty vs Wilbur Cooper | Second | ½ out |
| Tuesday, May 11 |
| » Lost to Dodgers (16-8), 6-2 | Wrigley Field (11-5) | 14-9 | |
| » Starters: Burleigh Grimes vs Sheriff Blake | Third | 1½ out |
| Wednesday, May 12 |
| » Lost to Dodgers (17-8), 2-0 | Wrigley Field (11-6) | 14-10 | Lost 2 |
| » Starters: Doug McWeeny vs Charlie Root | Third | 2½ out |
| Saturday, May 15 |
| » Defeated Phillies (11-16), 6-3 | Wrigley Field (12-6) | 15-10 | |
| » Starters: Wayland Dean vs Tony Kaufmann | Third | 2½ out |
| Future Cub Fred Baczewski is born in St. Paul, MN. |
| Sunday, May 16 |
| » Defeated Phillies (11-17), 10-9 | Wrigley Field (13-6) | 16-10 | Won 2 |
| » Starters: Ernie Maun vs Pete Alexander | Third | 2½ out |
| Future Cub Rube Walker is born in Lenoir, NC. |
| Monday, May 17 |
| » Defeated Phillies (11-18), 7-6 | Wrigley Field (14-6) | 17-10 | Won 3 |
| » Starters: Clarence Mitchell vs Wilbur Cooper | Second | 1½ out |
| Wednesday, May 19 |
| » Lost to Braves (9-21), 5-2 | Wrigley Field (14-7) | 17-11 | |
| » Starters: Bunny Hearn vs Bill Piercy | Second | 2½ out |
| » Major-league debuts: Clyde Beck (Cubs) |
| Thursday, May 20 |
| » Defeated Braves (9-22), 8-4 | Wrigley Field (15-7) | 18-11 | |
| » Starters: George Mogridge vs Charlie Root | Second | 2½ out |
| Friday, May 21 |
| » Defeated Braves (9-23), 6-3 | Wrigley Field (16-7) | 19-11 | Won 2 |
| » Starters: Johnny Werts vs Tony Kaufmann | Second | 2½ out |
| Saturday, May 22 |
| » Lost to Braves (10-23), 7-1 | Wrigley Field (16-8) | 19-12 | |
| » Starters: Joe Genewich vs Pete Alexander | Second | 3½ out |
| » Major-league debuts: Johnny Welch (Cubs) |
| Sunday, May 23 |
| » Defeated Braves (10-24), 14-8 | Wrigley Field (17-8) | 20-12 | |
| » Starters: Skinny Graham vs Wilbur Cooper | Second | 2½ out |
| Monday, May 24 |
| » Defeated Pirates (18-16), 3-1 | Wrigley Field (18-8) | 21-12 | Won 2 |
| » Starters: Vic Aldridge vs Sheriff Blake | Second | 1½ out |
| Tuesday, May 25 |
| » Lost to Pirates (19-16), 5-2 | Wrigley Field (18-9) | 21-13 | |
| » Starters: Johnny Morrison vs Charlie Root | Second | 1½ out |
| Thursday, May 27 |
| » Defeated Pirates (19-17), 5-2 | Forbes Field (1-0) | 22-13 | |
| » Starters: Tony Kaufmann vs Red Oldham | Second | 2½ out |
| Friday, May 28 |
| » Lost to Pirates (20-17), 6-5 | Forbes Field (1-1) | 22-14 | |
| » Starters: Bob Osborn vs Emil Yde | Second | 2½ out |
| Saturday, May 29 |
| » Lost to Pirates (21-17), 9-7 | Forbes Field (1-2) | 22-15 | Lost 2 |
| » Starters: Sheriff Blake vs Johnny Morrison | Second | 3½ out |
| Sunday, May 30 |
| » Lost to Cardinals (22-23), 5-2 | Wrigley Field (18-10) | 22-16 | Lost 3 |
| » Starters: Flint Rhem vs Wilbur Cooper | Second | 3½ out |
| Monday, May 31 |
| » Lost to Cardinals (23-23), 5-3 | Wrigley Field (18-11) | 22-17 | Lost 4 |
| » Starters: Hi Bell vs Guy Bush | Second | 3½ out |
| » Defeated Cardinals (23-24), 8-7 | Wrigley Field (19-11) | 23-17 | |
| » Starters: Syl Johnson vs Percy Jones | Second | 3½ out |
| Tuesday, June 1 |
| » Defeated Cardinals (23-25), 10-9 | Wrigley Field (20-11) | 24-17 | Won 2 |
| » Starters: Bill Sherdel vs Tony Kaufmann | Second | 3 out |
| Wednesday, June 2 |
| » Lost to Cardinals (24-25), 14-6 | Wrigley Field (20-12) | 24-18 | |
| » Starters: Vic Keen vs Sheriff Blake | Second | 3½ out |
| Thursday, June 3 |
| » Lost to Pirates (24-18), 3-2 | Forbes Field (1-3) | 24-19 | Lost 2 |
| » Starters: Charlie Root vs Emil Yde | Third | 3½ out |
| Friday, June 4 |
| » Lost to Pirates (25-18), 5-1 | Forbes Field (1-4) | 24-20 | Lost 3 |
| » Starters: Guy Bush vs Lee Meadows | Third | 3½ out |
| Sunday, June 6 |
| » Lost to Giants (25-24), 15-3 | Polo Grounds V (0-1) | 24-21 | Lost 4 |
| » Starters: Bill Piercy vs Freddie Fitzsimmons | Third | 3½ out |
| » Major-league debuts: Andy Cohen (Giants) |
| Tuesday, June 8 |
| » Defeated Giants (25-25), 2-1 | Polo Grounds V (1-1) | 25-21 | |
| » Starters: Charlie Root vs Jack Scott | Third | 2½ out |
| Wednesday, June 9 |
| » Lost to Braves (19-27), 6-3 | Braves Field (0-1) | 25-22 | |
| » Starters: Sheriff Blake vs Joe Genewich | Third | 2½ out |
| Future Cub Roy Smalley is born in Springfield, MO. |
| Thursday, June 10 |
| » Lost to Braves (20-27), 8-4 | Braves Field (0-2) | 25-23 | Lost 2 |
| » Starters: Guy Bush vs Larry Benton | Fourth | 3½ out |
| Friday, June 11 |
| » Defeated Braves (20-28), 7-6 | Braves Field (1-2) | 26-23 | |
| » Starters: Percy Jones vs Bob Smith | Fourth | 3½ out |
| Saturday, June 12 |
| » Lost to Braves (21-28), 5-1 | Braves Field (1-3) | 26-24 | |
| » Starters: Charlie Root vs Johnny Cooney | Fourth | 4 out |
| Sunday, June 13 |
| » Lost to Dodgers (25-25), 6-5 | Ebbets Field (0-1) | 26-25 | Lost 2 |
| » Starters: George Milstead vs Burleigh Grimes | Fourth | 4 out |
| Monday, June 14 |
| » Defeated Phillies (19-32), 9-7 | Baker Bowl (1-0) | 27-25 | |
| » Starters: Guy Bush vs Jack Bentley | Fourth | 3 out |
| Tuesday, June 15 |
| » Lost to Phillies (20-32), 8-1 | Baker Bowl (1-1) | 27-26 | |
| » Starters: Percy Jones vs Clarence Mitchell | Fourth | 3 out |
| Wednesday, June 16 |
| » Defeated Phillies (20-33), 4-1 | Baker Bowl (2-1) | 28-26 | |
| » Starters: Sheriff Blake vs Hal Carlson | Fourth | 2½ out |
| Thursday, June 17 |
| » Lost to Dodgers (27-26), 10-9 | Ebbets Field (0-2) | 28-27 | |
| » Starters: Charlie Root vs Doug McWeeny | Fifth | 3 out |
| Friday, June 18 |
| » Defeated Dodgers (27-27), 6-2 | Ebbets Field (1-2) | 29-27 | |
| » Starters: Bob Osborn vs Burleigh Grimes | Fourth | 3 out |
| Saturday, June 19 |
| » Lost to Dodgers (28-27), 7-1 | Ebbets Field (1-3) | 29-28 | |
| » Starters: Guy Bush vs Jesse Petty | Fourth | 4½ out |
| Sunday, June 20 |
| » Lost to Reds (35-24), 5-1 | Crosley Field (1-3) | 29-29 | Lost 2 |
| » Starters: Sheriff Blake vs Carl Mays | Fourth | 4½ out |
| » Defeated Reds (35-25), 4-3 | Crosley Field (2-3) | 30-29 | |
| » Starters: Tony Kaufmann vs Art Nehf | Fourth | 4½ out |
| Monday, June 21 |
| » Lost to Reds (36-25), 6-5 | Crosley Field (2-4) | 30-30 | |
| » Starters: George Milstead vs Eppa Rixey | Fifth | 5½ out |
| » Major-league debuts: Ethan Allen (Reds) |
| Tuesday, June 22 |
| » Lost to Reds (37-25), 3-2 | Crosley Field (2-5) | 30-31 | Lost 2 |
| » Starters: Bob Osborn vs Jakie May | Fifth | 6½ out |
| Wednesday, June 23 |
| » Defeated Reds (37-26), 5-3 | Crosley Field (3-5) | 31-31 | |
| » Starters: Charlie Root vs Dolf Luque | Fifth | 5½ out |
| Saturday, June 26 |
| » Lost to Cardinals (37-28), 8-7 | Sportsman's Park III (2-3) | 31-32 | |
| » Starters: Percy Jones vs Bill Sherdel | Fifth | 7 out |
| Sunday, June 27 |
| » Lost to Cardinals (38-28), 3-2 | Sportsman's Park III (2-4) | 31-33 | Lost 2 |
| » Starters: Bob Osborn vs Pete Alexander | Fifth | 7½ out |
| » Defeated Cardinals (38-29), 5-0 | Sportsman's Park III (3-4) | 32-33 | |
| » Starters: Sheriff Blake vs Hi Bell | Fifth | 7½ out |
| Monday, June 28 |
| » Defeated Cardinals (38-30), 11-3 | Sportsman's Park III (4-4) | 33-33 | Won 2 |
| » Starters: Charlie Root vs Vic Keen | Fifth | 7½ out |
| Tuesday, June 29 |
| Future Cub Bobby Morgan is born in Oklahoma City, OK. |
| Wednesday, June 30 |
| » Lost to Reds (43-26), 3-2 | Wrigley Field (20-13) | 33-34 | |
| » Starters: Dolf Luque vs George Milstead | Fifth | 8 out |
| » Defeated Reds (43-27), 9-4 | Wrigley Field (21-13) | 34-34 | |
| » Starters: Jakie May vs Bill Piercy | Fifth | 8 out |
| Thursday, July 1 |
| » Defeated Reds (43-28), 2-1 | Wrigley Field (22-13) | 35-34 | Won 2 |
| » Starters: Pete Donohue vs Tony Kaufmann | Fifth | 7 out |
| Friday, July 2 |
| » Lost to Reds (44-28), 6-1 | Wrigley Field (22-14) | 35-35 | |
| » Starters: Eppa Rixey vs Sheriff Blake | Sixth | 8 out |
| Saturday, July 3 |
| » Defeated Reds (44-29), 6-2 | Wrigley Field (23-14) | 36-35 | |
| » Starters: Carl Mays vs Bob Osborn | Fourth | 6 out |
| » Defeated Reds (44-30), 3-0 | Wrigley Field (24-14) | 37-35 | Won 2 |
| » Starters: Dolf Luque vs Percy Jones | Fourth | 6 out |
| Sunday, July 4 |
| » Defeated Pirates (37-31), 2-0 | Wrigley Field (25-14) | 38-35 | Won 3 |
| » Starters: Emil Yde vs Charlie Root | Fourth | 6 out |
| Monday, July 5 |
| » Lost to Pirates (38-31), 4-1 | Forbes Field (1-5) | 38-36 | |
| » Starters: Tony Kaufmann vs Don Songer | Fifth | 6 out |
| » Defeated Pirates (38-32), 10-7 | Forbes Field (2-5) | 39-36 | |
| » Starters: Bill Piercy vs Lee Meadows | Fifth | 6 out |
| Tuesday, July 6 |
| » Defeated Pirates (38-33), 3-0 | Forbes Field (3-5) | 40-36 | Won 2 |
| » Starters: Sheriff Blake vs Joe Bush | Fifth | 6½ out |
| » Lost to Pirates (39-33), 3-2 | Forbes Field (3-6) | 40-37 | |
| » Starters: Bob Osborn vs Lee Meadows | Fifth | 6½ out |
| Friday, July 9 |
| » Defeated Dodgers (40-36), 7-3 | Wrigley Field (26-14) | 41-37 | |
| » Starters: Jesse Barnes vs Charlie Root | Fourth | 4½ out |
| Saturday, July 10 |
| » Defeated Dodgers (40-37), 6-4 | Wrigley Field (27-14) | 42-37 | Won 2 |
| » Starters: Jesse Petty vs Tony Kaufmann | Fourth | 3 out |
| » Defeated Dodgers (40-38), 3-1 | Wrigley Field (28-14) | 43-37 | Won 3 |
| » Starters: Doug McWeeny vs Percy Jones | Fourth | 3 out |
| Sunday, July 11 |
| » Lost to Dodgers (41-38), 2-1 | Wrigley Field (28-15) | 43-38 | |
| » Starters: Burleigh Grimes vs Sheriff Blake | Fourth | 3 out |
| Monday, July 12 |
| » Lost to Dodgers (42-38), 5-0 | Wrigley Field (28-16) | 43-39 | Lost 2 |
| » Starters: Dazzy Vance vs George Milstead | Fifth | 4 out |
| Tuesday, July 13 |
| » Defeated Braves (31-51), 2-1 | Wrigley Field (29-16) | 44-39 | |
| » Starters: Joe Genewich vs Bob Osborn | Fourth | 4 out |
| Wednesday, July 14 |
| » Lost to Braves (32-51), 6-4 | Wrigley Field (29-17) | 44-40 | |
| » Starters: Larry Benton vs Charlie Root | Fourth | 5 out |
| Thursday, July 15 |
| » Defeated Braves (32-52), 3-1 | Wrigley Field (30-17) | 45-40 | |
| » Starters: Bunny Hearn vs Percy Jones | Fourth | 4 out |
| Saturday, July 17 |
| » Lost to Giants (44-41), 8-3 | Wrigley Field (30-18) | 45-41 | |
| » Starters: Virgil Barnes vs Sheriff Blake | Fifth | 4 out |
| Sunday, July 18 |
| » Defeated Giants (44-42), 2-1 | Wrigley Field (31-18) | 46-41 | |
| » Starters: Hugh McQuillan vs Charlie Root | Fifth | 3 out |
| Monday, July 19 |
| » Defeated Giants (44-43), 9-5 | Wrigley Field (32-18) | 47-41 | Won 2 |
| » Starters: Freddie Fitzsimmons vs Bob Osborn | Fourth | 3 out |
| Tuesday, July 20 |
| » Defeated Giants (44-44), 16-2 | Wrigley Field (33-18) | 48-41 | Won 3 |
| » Starters: Kent Greenfield vs Percy Jones | Third | 3 out |
| Thursday, July 22 |
| » Lost to Phillies (34-52), 6-4 | Wrigley Field (33-19) | 48-42 | |
| » Starters: Dutch Ulrich vs Sheriff Blake | Third | 4½ out |
| Friday, July 23 |
| » Defeated Phillies (34-53), 5-3 | Wrigley Field (34-19) | 49-42 | |
| » Starters: Wayland Dean vs Charlie Root | Third | 3½ out |
| Saturday, July 24 |
| » Lost to Phillies (35-53), 2-0 | Wrigley Field (34-20) | 49-43 | |
| » Starters: Hal Carlson vs Percy Jones | Fourth | 4 out |
| » Lost to Phillies (36-53), 3-2 | Wrigley Field (34-21) | 49-44 | Lost 2 |
| » Starters: Clarence Mitchell vs Bob Osborn | Fourth | 4 out |
| Sunday, July 25 |
| » Defeated Phillies (36-54), 5-4 | Wrigley Field (35-21) | 50-44 | |
| » Starters: Claude Willoughby vs Bill Piercy | Fourth | 3 out |
| Tuesday, July 27 |
| » Lost to Braves (37-57), 1-0 | Braves Field (1-4) | 50-45 | |
| » Starters: Charlie Root vs Bob Smith | Fourth | 4½ out |
| Wednesday, July 28 |
| » Lost to Braves (38-57), 3-2 | Braves Field (1-5) | 50-46 | Lost 2 |
| » Starters: Sheriff Blake vs Johnny Werts | Fourth | 5½ out |
| Friday, July 30 |
| » Lost to Dodgers (50-49), 4-1 | Ebbets Field (1-4) | 50-47 | Lost 3 |
| » Starters: Bob Osborn vs Burleigh Grimes | Fourth | 5½ out |
| Saturday, July 31 |
| » Lost to Dodgers (51-49), 3-2 | Ebbets Field (1-5) | 50-48 | Lost 4 |
| » Starters: Tony Kaufmann vs Jesse Petty | Fifth | 6½ out |
| Sunday, August 1 |
| » Lost to Dodgers (52-49), 2-1 | Ebbets Field (1-6) | 50-49 | Lost 5 |
| » Starters: Charlie Root vs Doug McWeeny | Fifth | 7 out |
| Monday, August 2 |
| » Defeated Dodgers (52-50), 5-4 | Ebbets Field (2-6) | 51-49 | |
| » Starters: Sheriff Blake vs Bob McGraw | Fifth | 6 out |
| Tuesday, August 3 |
| » Lost to Giants (51-49), 5-4 | Polo Grounds V (1-2) | 51-50 | |
| » Starters: Bob Osborn vs Freddie Fitzsimmons | Fourth | 6½ out |
| » Defeated Giants (51-50), 5-3 | Polo Grounds V (2-2) | 52-50 | |
| » Starters: Guy Bush vs Kent Greenfield | Fourth | 6½ out |
| Wednesday, August 4 |
| » Defeated Phillies (39-59), 7-5 | Baker Bowl (3-1) | 53-50 | Won 2 |
| » Starters: Tony Kaufmann vs Hal Carlson | Fourth | 6 out |
| Thursday, August 5 |
| » Defeated Phillies (39-60), 6-1 | Baker Bowl (4-1) | 54-50 | Won 3 |
| » Starters: Charlie Root vs Dutch Ulrich | Fourth | 6 out |
| Friday, August 6 |
| » Defeated Phillies (39-61), 2-1 | Baker Bowl (5-1) | 55-50 | Won 4 |
| » Starters: Sheriff Blake vs Clarence Mitchell | Fourth | 6 out |
| Saturday, August 7 |
| » Defeated Phillies (39-62), 6-5 | Baker Bowl (6-1) | 56-50 | Won 5 |
| » Starters: Bob Osborn vs Wayland Dean | Fourth | 4½ out |
| Monday, August 9 |
| » Lost to Giants (56-51), 4-3 | Polo Grounds V (2-3) | 56-51 | |
| » Starters: Tony Kaufmann vs Kent Greenfield | Fourth | 5½ out |
| Tuesday, August 10 |
| » Lost to Giants (57-51), 2-0 | Polo Grounds V (2-4) | 56-52 | Lost 2 |
| » Starters: Charlie Root vs Virgil Barnes | Fifth | 6½ out |
| Wednesday, August 11 |
| » Defeated Giants (57-52), 11-1 | Polo Grounds V (3-4) | 57-52 | |
| » Starters: Guy Bush vs Jimmy Ring | Fourth | 5½ out |
| Saturday, August 14 |
| » Defeated Cardinals (61-50), 3-2 | Sportsman's Park III (5-4) | 58-52 | Won 2 |
| » Starters: Sheriff Blake vs Pete Alexander | Fourth | 5 out |
| Sunday, August 15 |
| » Lost to Cardinals (62-50), 7-2 | Sportsman's Park III (5-5) | 58-53 | |
| » Starters: Charlie Root vs Flint Rhem | Fourth | 5½ out |
| Future Cub Barney Schultz is born in Beverly, NJ. |
| Monday, August 16 |
| » Lost to Cardinals (63-50), 5-4 | Sportsman's Park III (5-6) | 58-54 | Lost 2 |
| » Starters: Bob Osborn vs Jesse Haines | Fourth | 6 out |
| Tuesday, August 17 |
| » Defeated Giants (57-54), 7-0 | Wrigley Field (36-21) | 59-54 | |
| » Starters: Hugh McQuillan vs Guy Bush | Fourth | 5½ out |
| Wednesday, August 18 |
| » Lost to Giants (58-54), 2-1 | Wrigley Field (36-22) | 59-55 | |
| » Starters: Virgil Barnes vs Charlie Root | Fourth | 6 out |
| Thursday, August 19 |
| » Defeated Giants (58-55), 2-1 | Wrigley Field (37-22) | 60-55 | |
| » Starters: Kent Greenfield vs Sheriff Blake | Fourth | 5½ out |
| Friday, August 20 |
| » Lost to Dodgers (56-63), 3-1 | Wrigley Field (37-23) | 60-56 | |
| » Starters: Burleigh Grimes vs Percy Jones | Fourth | 6½ out |
| Former Cub Cal McVey dies in San Francisco, CA at the age of 76. |
| Saturday, August 21 |
| » Lost to Dodgers (57-63), 8-6 | Wrigley Field (37-24) | 60-57 | Lost 2 |
| » Starters: Dazzy Vance vs Tony Kaufmann | Fourth | 7½ out |
| Sunday, August 22 |
| » Defeated Dodgers (57-64), 3-0 | Wrigley Field (38-24) | 61-57 | |
| » Starters: Doug McWeeny vs Guy Bush | Fourth | 7½ out |
| Tuesday, August 24 |
| » Defeated Phillies (43-72), 9-4 | Wrigley Field (39-24) | 62-57 | Won 2 |
| » Starters: Ray Pierce vs Charlie Root | Third | 6½ out |
| » Defeated Phillies (43-73), 9-0 | Wrigley Field (40-24) | 63-57 | Won 3 |
| » Starters: Dutch Ulrich vs Sheriff Blake | Third | 6½ out |
| Wednesday, August 25 |
| » Defeated Phillies (43-74), 3-2 | Wrigley Field (41-24) | 64-57 | Won 4 |
| » Starters: Hal Carlson vs Percy Jones | Fourth | 6½ out |
| Thursday, August 26 |
| » Defeated Braves (48-73), 3-1 | Wrigley Field (42-24) | 65-57 | Won 5 |
| » Starters: Johnny Werts vs Guy Bush | Third | 5½ out |
| Friday, August 27 |
| » Defeated Braves (48-74), 5-1 | Wrigley Field (43-24) | 66-57 | Won 6 |
| » Starters: Joe Genewich vs Tony Kaufmann | Fourth | 5½ out |
| Saturday, August 28 |
| » Defeated Braves (48-75), 5-3 | Wrigley Field (44-24) | 67-57 | Won 7 |
| » Starters: Larry Benton vs Bob Osborn | Fourth | 5½ out |
| Sunday, August 29 |
| » Defeated Reds (73-53), 5-1 | Wrigley Field (45-24) | 68-57 | Won 8 |
| » Starters: Carl Mays vs Charlie Root | Fourth | 5 out |
| Monday, August 30 |
| » Lost to Reds (74-53), 3-2 | Wrigley Field (45-25) | 68-58 | |
| » Starters: Pete Donohue vs Sheriff Blake | Fourth | 5½ out |
| Tuesday, August 31 |
| » Defeated Reds (74-54), 1-0 | Wrigley Field (46-25) | 69-58 | |
| » Starters: Jakie May vs Percy Jones | Fourth | 5 out |
| Thursday, September 2 |
| » Lost to Cardinals (77-54), 2-0 | Wrigley Field (46-26) | 69-59 | |
| » Starters: Pete Alexander vs Charlie Root | Fourth | 7½ out |
| » Lost to Cardinals (78-54), 9-1 | Wrigley Field (46-27) | 69-60 | Lost 2 |
| » Starters: Flint Rhem vs Sheriff Blake | Fourth | 7½ out |
| Friday, September 3 |
| » Lost to Pirates (72-53), 3-2 | Wrigley Field (46-28) | 69-61 | Lost 3 |
| » Starters: Carmen Hill vs Tony Kaufmann | Fourth | 7½ out |
| Saturday, September 4 |
| » Defeated Pirates (72-54), 11-2 | Wrigley Field (47-28) | 70-61 | |
| » Starters: Joe Bush vs Guy Bush | Fourth | 6 out |
| » Defeated Pirates (72-55), 3-2 | Wrigley Field (48-28) | 71-61 | Won 2 |
| » Starters: Lou Koupal vs Percy Jones | Fourth | 6 out |
| Sunday, September 5 |
| » Defeated Pirates (72-56), 7-6 | Wrigley Field (49-28) | 72-61 | Won 3 |
| » Starters: Emil Yde vs Bob Osborn | Fourth | 6 out |
| Monday, September 6 |
| » Defeated Reds (76-56), 2-0 | Crosley Field (4-5) | 73-61 | Won 4 |
| » Starters: Charlie Root vs Jakie May | Fourth | 6 out |
| » Lost to Reds (77-56), 7-4 | Crosley Field (4-6) | 73-62 | |
| » Starters: Sheriff Blake vs Eppa Rixey | Fourth | 6 out |
| Tuesday, September 7 |
| » Defeated Reds (77-57), 8-5 | Crosley Field (5-6) | 74-62 | |
| » Starters: Tony Kaufmann vs Carl Mays | Fourth | 6 out |
| Thursday, September 9 |
| » Lost to Pirates (76-58), 2-1 | Forbes Field (3-7) | 74-63 | |
| » Starters: Percy Jones vs Joe Bush | Fourth | 6 out |
| » Defeated Pirates (76-59), 10-1 | Forbes Field (4-7) | 75-63 | |
| » Starters: Tony Kaufmann vs Lou Koupal | Fourth | 6 out |
| Friday, September 10 |
| » Lost to Phillies (52-79), 8-4 | Baker Bowl (6-2) | 75-64 | |
| » Starters: Guy Bush vs Claude Willoughby | Fourth | 6 out |
| » Major-league debuts: Denny Sothern (Phillies) |
| Saturday, September 11 |
| » Defeated Phillies (52-80), 10-6 | Baker Bowl (7-2) | 76-64 | |
| » Starters: Charlie Root vs Clarence Mitchell | Fourth | 5½ out |
| Future Cub Eddie Miksis is born in Burlington, NJ. |
| Sunday, September 12 |
| Future Cub George Freese is born in Wheeling, WV. |
| Monday, September 13 |
| » Defeated Phillies (52-81), 3-1 | Baker Bowl (8-2) | 77-64 | Won 2 |
| » Starters: Sheriff Blake vs Wayland Dean | Third | 4½ out |
| Tuesday, September 14 |
| » Lost to Phillies (53-81), 5-4 | Baker Bowl (8-3) | 77-65 | |
| » Starters: Percy Jones vs Hal Carlson | Fourth | 5½ out |
| Wednesday, September 15 |
| » Lost to Braves (56-83), 1-0 | Braves Field (1-6) | 77-66 | Lost 2 |
| » Starters: Guy Bush vs Joe Genewich | Fourth | 7 out |
| » Lost to Braves (57-83), 3-1 | Braves Field (1-7) | 77-67 | Lost 3 |
| » Starters: Tony Kaufmann vs Foster Edwards | Fourth | 7 out |
| Thursday, September 16 |
| » Lost to Braves (58-83), 4-1 | Braves Field (1-8) | 77-68 | Lost 4 |
| » Starters: Charlie Root vs Bob Smith | Third | 8 out |
| Saturday, September 18 |
| » Lost to Braves (59-83), 3-2 | Braves Field (1-9) | 77-69 | Lost 5 |
| » Starters: Percy Jones vs Johnny Werts | Fourth | 8½ out |
| » Defeated Braves (59-84), 6-0 | Braves Field (2-9) | 78-69 | |
| » Starters: Sheriff Blake vs Bunny Hearn | Fourth | 8½ out |
| Monday, September 20 |
| » Defeated Giants (70-74), 4-2 | Polo Grounds V (4-4) | 79-69 | Won 2 |
| » Starters: Tony Kaufmann vs Jack Scott | Fourth | 7 out |
| » Defeated Giants (70-75), 2-1 | Polo Grounds V (5-4) | 80-69 | Won 3 |
| » Starters: Guy Bush vs Virgil Barnes | Fourth | 7 out |
| Tuesday, September 21 |
| » Lost to Giants (71-75), 5-2 | Polo Grounds V (5-5) | 80-70 | |
| » Starters: Charlie Root vs Freddie Fitzsimmons | Fourth | 7 out |
| Wednesday, September 22 |
| » Defeated Giants (71-76), 3-2 | Polo Grounds V (6-5) | 81-70 | |
| » Starters: Percy Jones vs Joe Poetz | Fourth | 7 out |
| Saturday, September 25 |
| » Defeated Dodgers (69-82), 3-1 | Ebbets Field (3-6) | 82-70 | Won 2 |
| » Starters: Sheriff Blake vs Doug McWeeny | Fourth | 6½ out |
| Sunday, September 26 |
| » Lost to Dodgers (70-82), 3-1 | Ebbets Field (3-7) | 82-71 | |
| » Starters: Guy Bush vs Dazzy Vance | Fourth | 7 out |
| » Lost to Dodgers (71-82), 6-2 | Ebbets Field (3-8) | 82-72 | Lost 2 |
| » Starters: Percy Jones vs Jesse Petty | Fourth | 7 out |
| Thursday, September 30 |
| Future Cub Robin Roberts is born in Springfield, IL. |
| Wednesday, November 10 |
| Future Cub Carmen Mauro is born in St. Paul, MN. |
| Monday, November 22 |
| Future Cub Lew Burdette is born in Nitro, WV. |
| Monday, December 13 |
| Former Cub Tom Needham dies in Steubenville, OH at the age of 48. |
Game information provided by Retrosheet (www.retrosheet.org) |
