| Tuesday, January 23 |
| Future Cub Joey Amalfitano is born in San Pedro, CA. |
| Sunday, January 28 |
| Former Cub John Kane dies in St.Anthony, ID at the age of 52. |
| Monday, February 26 |
| Future Cub Don Lee is born in Globe, AZ. |
| Tuesday, April 17 |
| » Defeated Reds (0-1), 6-0 | Crosley Field (1-0) | 1-0 | |
| » Starters: Lon Warneke vs Si Johnson | First | -- |
| » Major-league debuts: Tuck Stainback (Cubs) |
| Wednesday, April 18 |
| » Defeated Reds (0-2), 8-4 | Crosley Field (2-0) | 2-0 | Won 2 |
| » Starters: Guy Bush vs Dazzy Vance | First | -- |
| Thursday, April 19 |
| » Defeated Reds (0-3), 4-1 | Crosley Field (3-0) | 3-0 | Won 3 |
| » Starters: Pat Malone vs Paul Derringer | First | -- |
| Saturday, April 21 |
| » Defeated Cardinals (1-3), 2-1 | Sportsman's Park III (1-0) | 4-0 | Won 4 |
| » Starters: Charlie Root vs Tex Carleton | Second | ½ out |
| Sunday, April 22 |
| » Defeated Cardinals (1-4), 15-2 | Sportsman's Park III (2-0) | 5-0 | Won 5 |
| » Starters: Lon Warneke vs Dizzy Dean | First | -- |
| Tuesday, April 24 |
| » Defeated Reds (1-5), 3-2 | Wrigley Field (1-0) | 6-0 | Won 6 |
| » Starters: Dazzy Vance vs Guy Bush | First | -- |
| Wednesday, April 25 |
| » Defeated Reds (1-6), 6-1 | Wrigley Field (2-0) | 7-0 | Won 7 |
| » Starters: Paul Derringer vs Pat Malone | First | -- |
| Thursday, April 26 |
| » Lost to Reds (2-6), 5-4 | Wrigley Field (2-1) | 7-1 | |
| » Starters: Si Johnson vs Charlie Root | First | -- |
| Friday, April 27 |
| » Defeated Cardinals (2-6), 3-2 | Wrigley Field (3-1) | 8-1 | |
| » Starters: Tex Carleton vs Lon Warneke | First | -- |
| Saturday, April 28 |
| » Defeated Cardinals (2-7), 7-1 | Wrigley Field (4-1) | 9-1 | Won 2 |
| » Starters: Dizzy Dean vs Guy Bush | First | -- |
| » Major-league debuts: Lew Riggs (Cardinals) |
| Sunday, April 29 |
| » Lost to Cardinals (3-7), 9-4 | Wrigley Field (4-2) | 9-2 | |
| » Starters: Bill Walker vs Pat Malone | First | -- |
| » Major-league debuts: Augie Galan and Bill Lee (Cubs) |
| Monday, April 30 |
| » Defeated Pirates (5-5), 8-6 | Forbes Field (1-0) | 10-2 | |
| » Starters: Roy Joiner vs Hal Smith | First | -- |
| Tuesday, May 1 |
| » Lost to Pirates (6-5), 4-1 | Forbes Field (1-1) | 10-3 | |
| » Starters: Charlie Root vs Ralph Birkofer | First | -- |
| Wednesday, May 2 |
| » Lost to Pirates (7-5), 4-2 | Forbes Field (1-2) | 10-4 | Lost 2 |
| » Starters: Lon Warneke vs Heinie Meine | Second | ½ out |
| Thursday, May 3 |
| » Lost to Braves (7-6), 6-0 | Wrigley Field (4-3) | 10-5 | Lost 3 |
| » Starters: Ed Brandt vs Pat Malone | Second | 1½ out |
| Friday, May 4 |
| » Defeated Braves (7-7), 8-1 | Wrigley Field (5-3) | 11-5 | |
| » Starters: Tom Zachary vs Guy Bush | Second | ½ out |
| Saturday, May 5 |
| » Lost to Braves (8-7), 5-4 | Wrigley Field (5-4) | 11-6 | |
| » Starters: Huck Betts vs Charlie Root | Second | ½ out |
| Sunday, May 6 |
| » Defeated Phillies (4-12), 11-5 | Wrigley Field (6-4) | 12-6 | |
| » Starters: Snipe Hansen vs Lon Warneke | Second | ½ out |
| Future Cub Tom Baker is born in Port Townsend, WA. |
| Monday, May 7 |
| » Defeated Phillies (4-13), 2-0 | Wrigley Field (7-4) | 13-6 | Won 2 |
| » Starters: Ed Holley vs Bill Lee | Second | ½ out |
| Tuesday, May 8 |
| » Lost to Phillies (5-13), 13-6 | Wrigley Field (7-5) | 13-7 | |
| » Starters: Phil Collins vs Lynn Nelson | Third | ½ out |
| Wednesday, May 9 |
| » Defeated Dodgers (7-12), 10-9 | Wrigley Field (8-5) | 14-7 | |
| » Starters: Boom-Boom Beck vs Guy Bush | First | -- |
| Thursday, May 10 |
| » Defeated Dodgers (7-13), 12-8 | Wrigley Field (9-5) | 15-7 | Won 2 |
| » Starters: Ownie Carroll vs Lon Warneke | First | -- |
| Friday, May 11 |
| » Lost to Dodgers (8-13), 13-1 | Wrigley Field (9-6) | 15-8 | |
| » Starters: Ray Benge vs Roy Joiner | First | -- |
| Saturday, May 12 |
| » Defeated Dodgers (8-14), 5-0 | Wrigley Field (10-6) | 16-8 | |
| » Starters: Van Mungo vs Bill Lee | First | -- |
| Sunday, May 13 |
| » Defeated Giants (14-10), 7-3 | Wrigley Field (11-6) | 17-8 | Won 2 |
| » Starters: Hi Bell vs Guy Bush | Second | 1½ out |
| Monday, May 14 |
| » Defeated Giants (14-11), 3-2 | Wrigley Field (12-6) | 18-8 | Won 3 |
| » Starters: Hal Schumacher vs Lon Warneke | First | -- |
| Tuesday, May 15 |
| » Lost to Giants (15-11), 10-3 | Wrigley Field (12-7) | 18-9 | |
| » Starters: Carl Hubbell vs Charlie Root | Second | 2½ out |
| Thursday, May 17 |
| » Defeated Phillies (7-16), 10-3 | Baker Bowl (1-0) | 19-9 | |
| » Starters: Bill Lee vs Curt Davis | First | -- |
| Friday, May 18 |
| » Defeated Phillies (7-17), 9-5 | Baker Bowl (2-0) | 20-9 | Won 2 |
| » Starters: Guy Bush vs Ed Holley | First | -- |
| Saturday, May 19 |
| » Lost to Phillies (8-17), 6-5 | Baker Bowl (2-1) | 20-10 | |
| » Starters: Bud Tinning vs Phil Collins | First | -- |
| Sunday, May 20 |
| » Lost to Dodgers (12-16), 5-1 | Ebbets Field (0-1) | 20-11 | Lost 2 |
| » Starters: Lon Warneke vs Van Mungo | First | -- |
| Monday, May 21 |
| » Defeated Dodgers (12-17), 10-9 | Ebbets Field (1-1) | 21-11 | |
| » Starters: Bill Lee vs Art Herring | First | -- |
| Tuesday, May 22 |
| » Lost to Dodgers (13-17), 5-4 | Ebbets Field (1-2) | 21-12 | |
| » Starters: Charlie Root vs Ray Lucas | Second | 2½ out |
| Wednesday, May 23 |
| » Lost to Giants (19-14), 5-2 | Polo Grounds V (0-1) | 21-13 | Lost 2 |
| » Starters: Guy Bush vs Hal Schumacher | Second | 2½ out |
| Thursday, May 24 |
| » Lost to Giants (20-14), 7-1 | Polo Grounds V (0-2) | 21-14 | Lost 3 |
| » Starters: Bud Tinning vs Carl Hubbell | Third | 2½ out |
| Saturday, May 26 |
| » Defeated Braves (15-16), 6-4 | Braves Field (1-0) | 22-14 | |
| » Starters: Lon Warneke vs Ben Cantwell | Second | 3 out |
| Sunday, May 27 |
| » Lost to Braves (16-16), 5-0 | Braves Field (1-1) | 22-15 | |
| » Starters: Guy Bush vs Huck Betts | Third | 3 out |
| Monday, May 28 |
| » Lost to Braves (17-16), 5-3 | Braves Field (1-2) | 22-16 | Lost 2 |
| » Starters: Bill Lee vs Jumbo Elliott | Fourth | 1½ out |
| Future Cub Bobby Gene Smith is born in Hood River, OR. |
| Wednesday, May 30 |
| » Defeated Pirates (20-14), 7-2 | Wrigley Field (13-7) | 23-16 | |
| » Starters: Heinie Meine vs Lon Warneke | Third | 1½ out |
| » Defeated Pirates (20-15), 5-4 | Wrigley Field (14-7) | 24-16 | Won 2 |
| » Starters: Hal Smith vs Pat Malone | Third | 1½ out |
| Thursday, May 31 |
| » Defeated Pirates (20-16), 11-5 | Wrigley Field (15-7) | 25-16 | Won 3 |
| » Starters: Bill Swift vs Guy Bush | Second | 1½ out |
| Friday, June 1 |
| » Defeated Reds (8-28), 3-1 | Crosley Field (4-0) | 26-16 | Won 4 |
| » Starters: Jim Weaver vs Benny Frey | Second | 1½ out |
| Saturday, June 2 |
| » Lost to Reds (9-28), 3-1 | Crosley Field (4-1) | 26-17 | |
| » Starters: Bud Tinning vs Ted Kleinhans | Third | 1 out |
| Sunday, June 3 |
| » Defeated Reds (9-29), 7-1 | Crosley Field (5-1) | 27-17 | |
| » Starters: Pat Malone vs Si Johnson | Second | 1 out |
| Tuesday, June 5 |
| » Lost to Cardinals (27-16), 6-3 | Sportsman's Park III (2-1) | 27-18 | |
| » Starters: Lon Warneke vs Paul Dean | Third | 1 out |
| Wednesday, June 6 |
| » Defeated Cardinals (27-17), 12-6 | Sportsman's Park III (3-1) | 28-18 | |
| » Starters: Charlie Root vs Dizzy Dean | Third | 1 out |
| Thursday, June 7 |
| » Defeated Cardinals (27-18), 1-0 | Sportsman's Park III (4-1) | 29-18 | Won 2 |
| » Starters: Jim Weaver vs Bill Hallahan | Second | 1 out |
| Friday, June 8 |
| » Lost to Reds (10-32), 4-3 | Wrigley Field (15-8) | 29-19 | |
| » Starters: Si Johnson vs Bill Lee | Third | 1 out |
| Saturday, June 9 |
| » Lost to Reds (11-32), 5-2 | Wrigley Field (15-9) | 29-20 | Lost 2 |
| » Starters: Tony Freitas vs Pat Malone | Third | 2 out |
| Former Cub Charlie Dexter dies in Cedar Rapids, IA at the age of 58. |
| Sunday, June 10 |
| » Defeated Reds (11-33), 7-4 | Wrigley Field (16-9) | 30-20 | |
| » Starters: Paul Derringer vs Lon Warneke | Third | 2 out |
| Tuesday, June 12 |
| » Defeated Phillies (16-30), 6-5 | Wrigley Field (17-9) | 31-20 | Won 2 |
| » Starters: George Darrow vs Jim Weaver | Third | 2 out |
| Wednesday, June 13 |
| » Lost to Phillies (17-30), 2-1 | Wrigley Field (17-10) | 31-21 | |
| » Starters: Curt Davis vs Charlie Root | Third | 3 out |
| Thursday, June 14 |
| » Defeated Phillies (17-31), 6-4 | Wrigley Field (18-10) | 32-21 | |
| » Starters: Snipe Hansen vs Pat Malone | Third | 3 out |
| Friday, June 15 |
| » Lost to Phillies (18-31), 4-3 | Wrigley Field (18-11) | 32-22 | |
| » Starters: Phil Collins vs Lon Warneke | Third | 3 out |
| Saturday, June 16 |
| » Lost to Braves (27-24), 7-6 | Wrigley Field (18-12) | 32-23 | Lost 2 |
| » Starters: Huck Betts vs Jim Weaver | Third | 4 out |
| Sunday, June 17 |
| » Lost to Braves (28-24), 4-2 | Wrigley Field (18-13) | 32-24 | Lost 3 |
| » Starters: Fred Frankhouse vs Bud Tinning | Third | 4½ out |
| » Defeated Braves (28-25), 3-2 | Wrigley Field (19-13) | 33-24 | |
| » Starters: Leo Mangum vs Bill Lee | Third | 4½ out |
| Tuesday, June 19 |
| » Lost to Braves (29-25), 2-1 | Wrigley Field (19-14) | 33-25 | |
| » Starters: Ed Brandt vs Pat Malone | Third | 5½ out |
| Wednesday, June 20 |
| » Lost to Giants (39-19), 12-7 | Wrigley Field (19-15) | 33-26 | Lost 2 |
| » Starters: Freddie Fitzsimmons vs Charlie Root | Third | 6½ out |
| Thursday, June 21 |
| » Defeated Giants (39-20), 4-0 | Wrigley Field (20-15) | 34-26 | |
| » Starters: Carl Hubbell vs Lon Warneke | Third | 5½ out |
| Friday, June 22 |
| » Defeated Giants (39-21), 15-2 | Wrigley Field (21-15) | 35-26 | Won 2 |
| » Starters: Watty Clark vs Bill Lee | Third | 4½ out |
| Saturday, June 23 |
| » Defeated Giants (39-22), 5-4 | Wrigley Field (22-15) | 36-26 | Won 3 |
| » Starters: Hal Schumacher vs Guy Bush | Third | 3½ out |
| Sunday, June 24 |
| » Defeated Dodgers (26-36), 5-1 | Wrigley Field (23-15) | 37-26 | Won 4 |
| » Starters: Van Mungo vs Pat Malone | Third | 3 out |
| » Defeated Dodgers (26-37), 8-0 | Wrigley Field (24-15) | 38-26 | Won 5 |
| » Starters: Johnny Babich vs Bud Tinning | Third | 3 out |
| Tuesday, June 26 |
| » Defeated Dodgers (26-38), 5-2 | Wrigley Field (25-15) | 39-26 | Won 6 |
| » Starters: Ray Benge vs Lon Warneke | Second | 2½ out |
| Wednesday, June 27 |
| » Defeated Dodgers (26-39), 5-1 | Wrigley Field (26-15) | 40-26 | Won 7 |
| » Starters: Les Munns vs Guy Bush | Second | 1½ out |
| Friday, June 29 |
| » Tied Pirates, 8-8 | Forbes Field (1-2) | 40-26 | |
| » Starters: Pat Malone vs Bill Swift | Second | 2 out |
| Saturday, June 30 |
| » Defeated Pirates (34-29), 6-4 | Forbes Field (2-2) | 41-26 | Won 8 |
| » Starters: Bill Lee vs Ralph Birkofer | Second | 1 out |
| Sunday, July 1 |
| » Lost to Pirates (35-29), 5-4 | Forbes Field (2-3) | 41-27 | |
| » Starters: Bud Tinning vs Larry French | Second | 2 out |
| Monday, July 2 |
| » Defeated Cardinals (39-28), 7-1 | Wrigley Field (27-15) | 42-27 | |
| » Starters: Paul Dean vs Lon Warneke | Second | 2 out |
| Tuesday, July 3 |
| » Lost to Cardinals (40-28), 7-3 | Wrigley Field (27-16) | 42-28 | |
| » Starters: Bill Hallahan vs Guy Bush | Second | 2 out |
| Wednesday, July 4 |
| » Lost to Cardinals (41-28), 6-2 | Sportsman's Park III (4-2) | 42-29 | Lost 2 |
| » Starters: Bill Lee vs Tex Carleton | Second | 3 out |
| » Defeated Cardinals (41-29), 6-2 | Sportsman's Park III (5-2) | 43-29 | |
| » Starters: Jim Weaver vs Jim Mooney | Second | 3 out |
| Friday, July 6 |
| » Defeated Pirates (37-31), 9-1 | Wrigley Field (28-16) | 44-29 | Won 2 |
| » Starters: Waite Hoyt vs Guy Bush | Second | 2½ out |
| Saturday, July 7 |
| » Defeated Pirates (37-32), 4-2 | Wrigley Field (29-16) | 45-29 | Won 3 |
| » Starters: Red Lucas vs Lon Warneke | Second | 1½ out |
| Sunday, July 8 |
| » Lost to Pirates (38-32), 11-4 | Wrigley Field (29-17) | 45-30 | |
| » Starters: Larry French vs Bill Lee | Second | 2 out |
| » Defeated Pirates (38-33), 12-3 | Wrigley Field (30-17) | 46-30 | |
| » Starters: Bill Swift vs Jim Weaver | Second | 2 out |
| Wednesday, July 11 |
| » Defeated Braves (39-38), 3-1 | Braves Field (2-2) | 47-30 | Won 2 |
| » Starters: Guy Bush vs Flint Rhem | Second | 1½ out |
| » Defeated Braves (39-39), 2-1 | Braves Field (3-2) | 48-30 | Won 3 |
| » Starters: Pat Malone vs Ed Brandt | Second | 1½ out |
| Thursday, July 12 |
| » Defeated Braves (39-40), 7-4 | Braves Field (4-2) | 49-30 | Won 4 |
| » Starters: Lon Warneke vs Fred Frankhouse | Second | 1 out |
| Friday, July 13 |
| » Lost to Braves (40-40), 7-6 | Braves Field (4-3) | 49-31 | |
| » Starters: Bill Lee vs Huck Betts | Second | 2 out |
| Saturday, July 14 |
| » Defeated Giants (51-30), 11-7 | Polo Grounds V (1-2) | 50-31 | |
| » Starters: Jim Weaver vs Joe Bowman | Second | 1 out |
| Sunday, July 15 |
| » Lost to Giants (52-30), 5-3 | Polo Grounds V (1-3) | 50-32 | |
| » Starters: Pat Malone vs Hal Schumacher | Second | 2 out |
| Tuesday, July 17 |
| » Lost to Giants (53-30), 5-3 | Polo Grounds V (1-4) | 50-33 | Lost 2 |
| » Starters: Lon Warneke vs Roy Parmelee | Second | 2 out |
| » Defeated Giants (53-31), 2-1 | Polo Grounds V (2-4) | 51-33 | |
| » Starters: Bill Lee vs Carl Hubbell | Second | 2 out |
| Wednesday, July 18 |
| » Lost to Giants (54-31), 8-6 | Polo Grounds V (2-5) | 51-34 | |
| » Starters: Guy Bush vs Freddie Fitzsimmons | Second | 3 out |
| Thursday, July 19 |
| » Defeated Phillies (36-50), 2-1 | Baker Bowl (3-1) | 52-34 | |
| » Starters: Pat Malone vs Euel Moore | Second | 3 out |
| Saturday, July 21 |
| » Defeated Phillies (36-51), 2-1 | Baker Bowl (4-1) | 53-34 | Won 2 |
| » Starters: Jim Weaver vs Curt Davis | Second | 2 out |
| » Defeated Phillies (36-52), 14-6 | Baker Bowl (5-1) | 54-34 | Won 3 |
| » Starters: Bill Lee vs Phil Collins | Second | 2 out |
| Sunday, July 22 |
| » Lost to Phillies (37-52), 6-5 | Baker Bowl (5-2) | 54-35 | |
| » Starters: Lon Warneke vs Snipe Hansen | Second | 3 out |
| Monday, July 23 |
| » Defeated Dodgers (39-51), 8-3 | Ebbets Field (2-2) | 55-35 | |
| » Starters: Pat Malone vs Les Munns | Second | 2 out |
| Tuesday, July 24 |
| » Defeated Dodgers (39-52), 6-3 | Ebbets Field (3-2) | 56-35 | Won 2 |
| » Starters: Bill Lee vs Van Mungo | Second | 2 out |
| Thursday, July 26 |
| » Lost to Dodgers (40-52), 6-3 | Ebbets Field (3-3) | 56-36 | |
| » Starters: Jim Weaver vs Tom Zachary | Second | 2½ out |
| Saturday, July 28 |
| » Lost to Reds (31-60), 11-2 | Crosley Field (5-2) | 56-37 | Lost 2 |
| » Starters: Lon Warneke vs Paul Derringer | Second | 3½ out |
| Sunday, July 29 |
| » Defeated Reds (31-61), 7-5 | Crosley Field (6-2) | 57-37 | |
| » Starters: Pat Malone vs Si Johnson | Second | 3½ out |
| » Lost to Reds (32-61), 4-2 | Crosley Field (6-3) | 57-38 | |
| » Starters: Bill Lee vs Tony Freitas | Second | 3½ out |
| Tuesday, July 31 |
| » Defeated Cardinals (55-40), 7-2 | Wrigley Field (31-17) | 58-38 | |
| » Starters: Bill Walker vs Lon Warneke | Second | 2½ out |
| Wednesday, August 1 |
| » Lost to Cardinals (56-40), 4-0 | Wrigley Field (31-18) | 58-39 | |
| » Starters: Paul Dean vs Jim Weaver | Second | 4 out |
| Thursday, August 2 |
| » Defeated Cardinals (56-41), 6-2 | Wrigley Field (32-18) | 59-39 | |
| » Starters: Bill Hallahan vs Bill Lee | Second | 3 out |
| Former Cub Reggie Richter dies in Winfield, IL at the age of 46. |
| Friday, August 3 |
| » Defeated Reds (34-64), 5-4 | Wrigley Field (33-18) | 60-39 | Won 2 |
| » Starters: Si Johnson vs Pat Malone | Second | 3 out |
| Saturday, August 4 |
| » Defeated Reds (34-65), 4-1 | Wrigley Field (34-18) | 61-39 | Won 3 |
| » Starters: Tony Freitas vs Guy Bush | Second | 2½ out |
| Sunday, August 5 |
| » Lost to Reds (35-65), 4-0 | Wrigley Field (34-19) | 61-40 | |
| » Starters: Paul Derringer vs Jim Weaver | Second | 3 out |
| » Defeated Reds (35-66), 4-1 | Wrigley Field (35-19) | 62-40 | |
| » Starters: Benny Frey vs Lon Warneke | Second | 3 out |
| Tuesday, August 7 |
| » Lost to Pirates (49-51), 4-1 | Forbes Field (2-4) | 62-41 | |
| » Starters: Bill Lee vs Heinie Meine | Second | 4 out |
| Wednesday, August 8 |
| » Defeated Pirates (49-52), 7-4 | Forbes Field (3-4) | 63-41 | |
| » Starters: Pat Malone vs Ed Holley | Second | 2½ out |
| » Defeated Pirates (49-53), 14-3 | Forbes Field (4-4) | 64-41 | Won 2 |
| » Starters: Guy Bush vs Bill Swift | Second | 2½ out |
| Friday, August 10 |
| » Lost to Cardinals (61-44), 17-3 | Sportsman's Park III (5-3) | 64-42 | |
| » Starters: Lon Warneke vs Tex Carleton | Second | 4 out |
| Saturday, August 11 |
| » Lost to Cardinals (62-44), 6-4 | Sportsman's Park III (5-4) | 64-43 | Lost 2 |
| » Starters: Bill Lee vs Bill Walker | Second | 5 out |
| Sunday, August 12 |
| » Defeated Cardinals (62-45), 7-2 | Sportsman's Park III (6-4) | 65-43 | |
| » Starters: Jim Weaver vs Paul Dean | Second | 4 out |
| » Defeated Cardinals (62-46), 6-4 | Sportsman's Park III (7-4) | 66-43 | Won 2 |
| » Starters: Pat Malone vs Dizzy Dean | Second | 4 out |
| Tuesday, August 14 |
| » Lost to Braves (55-54), 15-2 | Wrigley Field (35-20) | 66-44 | |
| » Starters: Ed Brandt vs Guy Bush | Second | 4 out |
| Wednesday, August 15 |
| Future Cub Seth Morehead is born in Houston, TX. |
| Thursday, August 16 |
| » Defeated Braves (55-55), 3-2 | Wrigley Field (36-20) | 67-44 | |
| » Starters: Fred Frankhouse vs Lon Warneke | Second | 4 out |
| » Lost to Braves (56-55), 6-1 | Wrigley Field (36-21) | 67-45 | |
| » Starters: Flint Rhem vs Bill Lee | Second | 4 out |
| Friday, August 17 |
| » Lost to Braves (57-55), 5-2 | Wrigley Field (36-22) | 67-46 | Lost 2 |
| » Starters: Huck Betts vs Jim Weaver | Second | 5½ out |
| Saturday, August 18 |
| » Defeated Phillies (44-68), 2-0 | Wrigley Field (37-22) | 68-46 | |
| » Starters: Snipe Hansen vs Pat Malone | Second | 5½ out |
| Sunday, August 19 |
| » Defeated Phillies (44-69), 3-1 | Wrigley Field (38-22) | 69-46 | Won 2 |
| » Starters: Curt Davis vs Bill Lee | Second | 5 out |
| » Defeated Phillies (44-70), 4-2 | Wrigley Field (39-22) | 70-46 | Won 3 |
| » Starters: Euel Moore vs Guy Bush | Second | 5 out |
| Tuesday, August 21 |
| » Lost to Phillies (45-70), 6-1 | Wrigley Field (39-23) | 70-47 | |
| » Starters: Phil Collins vs Lon Warneke | Second | 5½ out |
| Former Cub Carl Lundgren dies in Marengo, IL at the age of 55. |
| Thursday, August 23 |
| » Lost to Dodgers (51-64), 9-4 | Wrigley Field (39-24) | 70-48 | Lost 2 |
| » Starters: Dutch Leonard vs Bill Lee | Second | 6½ out |
| Friday, August 24 |
| » Lost to Dodgers (52-64), 6-4 | Wrigley Field (39-25) | 70-49 | Lost 3 |
| » Starters: Ray Benge vs Pat Malone | Third | 6½ out |
| Saturday, August 25 |
| » Defeated Dodgers (52-65), 4-3 | Wrigley Field (40-25) | 71-49 | |
| » Starters: Johnny Babich vs Guy Bush | Second | 6½ out |
| Sunday, August 26 |
| » Defeated Giants (78-44), 7-1 | Wrigley Field (41-25) | 72-49 | Won 2 |
| » Starters: Freddie Fitzsimmons vs Lon Warneke | Second | 5½ out |
| Monday, August 27 |
| » Defeated Giants (78-45), 1-0 | Wrigley Field (42-25) | 73-49 | Won 3 |
| » Starters: Hal Schumacher vs Bill Lee | Second | 4½ out |
| Tuesday, August 28 |
| » Lost to Giants (79-45), 3-1 | Wrigley Field (42-26) | 73-50 | |
| » Starters: Roy Parmelee vs Jim Weaver | Second | 5½ out |
| Wednesday, August 29 |
| » Defeated Giants (79-46), 1-0 | Wrigley Field (43-26) | 74-50 | |
| » Starters: Carl Hubbell vs Lon Warneke | Second | 4½ out |
| Friday, August 31 |
| » Lost to Cardinals (74-51), 3-1 | Wrigley Field (43-27) | 74-51 | |
| » Starters: Dizzy Dean vs Guy Bush | Second | 5½ out |
| Saturday, September 1 |
| » Lost to Cardinals (75-51), 7-1 | Wrigley Field (43-28) | 74-52 | Lost 2 |
| » Starters: Bill Hallahan vs Bill Lee | Third | 6½ out |
| Sunday, September 2 |
| » Major-league debuts: Lee Grissom (Reds) |
| Monday, September 3 |
| » Defeated Reds (46-81), 6-3 | Crosley Field (7-3) | 75-52 | |
| » Starters: Lon Warneke vs Benny Frey | Second | 6 out |
| » Lost to Reds (47-81), 6-4 | Crosley Field (7-4) | 75-53 | |
| » Starters: Jim Weaver vs Allyn Stout | Second | 6 out |
| Wednesday, September 5 |
| » Lost to Giants (84-47), 5-1 | Polo Grounds V (2-6) | 75-54 | Lost 2 |
| » Starters: Guy Bush vs Hal Schumacher | Third | 8 out |
| Thursday, September 6 |
| » Lost to Giants (85-47), 2-1 | Polo Grounds V (2-7) | 75-55 | Lost 3 |
| » Starters: Bill Lee vs Roy Parmelee | Third | 9 out |
| Friday, September 7 |
| » Defeated Giants (85-48), 4-2 | Polo Grounds V (3-7) | 76-55 | |
| » Starters: Lon Warneke vs Carl Hubbell | Third | 8 out |
| Sunday, September 9 |
| » Defeated Braves (68-64), 4-1 | Braves Field (5-3) | 77-55 | Won 2 |
| » Starters: Jim Weaver vs Fred Frankhouse | Third | 7½ out |
| » Lost to Braves (69-64), 11-1 | Braves Field (5-4) | 77-56 | |
| » Starters: Guy Bush vs Huck Betts | Third | 7½ out |
| Former Cub John Dobbs dies in Charlotte, NC at the age of 60. |
| Tuesday, September 11 |
| » Defeated Braves (69-65), 2-0 | Braves Field (6-4) | 78-56 | |
| » Starters: Bill Lee vs Ed Brandt | Third | 7 out |
| Wednesday, September 12 |
| » Defeated Braves (69-66), 5-2 | Braves Field (7-4) | 79-56 | Won 2 |
| » Starters: Lon Warneke vs Flint Rhem | Third | 7 out |
| Thursday, September 13 |
| » Defeated Dodgers (59-77), 4-2 | Ebbets Field (4-3) | 80-56 | Won 3 |
| » Starters: Guy Bush vs Van Mungo | Third | 6 out |
| Sunday, September 16 |
| » Lost to Dodgers (60-77), 11-6 | Ebbets Field (4-4) | 80-57 | |
| » Starters: Jim Weaver vs Ray Benge | Third | 6½ out |
| » Lost to Dodgers (61-77), 5-4 | Ebbets Field (4-5) | 80-58 | Lost 2 |
| » Starters: Bill Lee vs Watty Clark | Third | 6½ out |
| » Major-league debuts: Phil Cavarretta (Cubs) |
| Tuesday, September 18 |
| » Defeated Phillies (50-86), 7-3 | Baker Bowl (6-2) | 81-58 | |
| » Starters: Lon Warneke vs Syl Johnson | Third | 6½ out |
| » Lost to Phillies (51-86), 8-1 | Baker Bowl (6-3) | 81-59 | |
| » Starters: Guy Bush vs Phil Collins | Third | 6½ out |
| Wednesday, September 19 |
| » Lost to Phillies (52-86), 5-4 | Baker Bowl (6-4) | 81-60 | Lost 2 |
| » Starters: Jim Weaver vs Curt Davis | Third | 7½ out |
| Thursday, September 20 |
| » Lost to Phillies (53-86), 9-7 | Baker Bowl (6-5) | 81-61 | Lost 3 |
| » Starters: Lon Warneke vs Snipe Hansen | Third | 8½ out |
| Saturday, September 22 |
| » Lost to Pirates (71-71), 2-1 | Forbes Field (4-5) | 81-62 | Lost 4 |
| » Starters: Bill Lee vs Ralph Birkofer | Third | 9½ out |
| » Lost to Pirates (72-71), 11-7 | Forbes Field (4-6) | 81-63 | Lost 5 |
| » Starters: Bud Tinning vs Bill Harris | Third | 9½ out |
| Future Cub Lou Johnson is born in Lexington, KY. |
| Sunday, September 23 |
| » Defeated Pirates (72-72), 3-2 | Forbes Field (5-6) | 82-63 | |
| » Starters: Jim Weaver vs Cy Blanton | Third | 9 out |
| » Major-league debuts: Cy Blanton (Pirates) |
| Monday, September 24 |
| » Lost to Cardinals (90-57), 3-1 | Wrigley Field (43-29) | 82-64 | |
| » Starters: Bill Walker vs Lon Warneke | Third | 9½ out |
| Tuesday, September 25 |
| » Defeated Reds (52-95), 1-0 | Wrigley Field (44-29) | 83-64 | |
| » Starters: Whitey Wistert vs Guy Bush | Third | 8½ out |
| Thursday, September 27 |
| » Defeated Pirates (73-74), 4-2 | Wrigley Field (45-29) | 84-64 | Won 2 |
| » Starters: Ralph Birkofer vs Bill Lee | Third | 7½ out |
| Saturday, September 29 |
| » Lost to Pirates (74-74), 6-3 | Wrigley Field (45-30) | 84-65 | |
| » Starters: Red Lucas vs Jim Weaver | Third | 8½ out |
| Sunday, September 30 |
| » Defeated Pirates (74-75), 8-2 | Wrigley Field (46-30) | 85-65 | |
| » Starters: Larry French vs Lon Warneke | Third | 8 out |
| » Defeated Pirates (74-76), 7-5 | Wrigley Field (47-30) | 86-65 | Won 2 |
| » Starters: Steamboat Struss vs Charlie Wiedemeyer | Third | 8 out |
| Thursday, October 4 |
| Former Cub Nixey Callahan dies in Boston, MA at the age of 61. |
| Wednesday, November 21 |
| Former Cub Fred Glade dies in Grand Island, NE at the age of 59. |
| Sunday, December 2 |
| Future Cub Andre Rodgers is born in Nassau, Bahamas. |
Game information provided by Retrosheet (www.retrosheet.org) |
