| Thursday, January 19 |
| Former Cub Cliff Heathcote dies in York, PA at the age of 41. |
| Saturday, February 11 |
| Future Cub Willie Smith is born in Anniston, AL. |
| Saturday, February 18 |
| Future Cub Bob Miller is born in St. Louis, MO. |
| Sunday, March 12 |
| Future Cub Johnny Callison is born in Qualls, OK. |
| Thursday, March 16 |
| Former Cub Sam Dungan dies in Santa Ana, CA at the age of 73. |
| Tuesday, April 18 |
| » Major-league debuts: Frank Croucher and Barney McCosky (Tigers) Ken Silvestri (White Sox) |
| Wednesday, April 19 |
| » Major-league debuts: Ralph Hodgin (Braves) |
| Friday, April 21 |
| » Defeated Cardinals (1-1), 4-2 | Sportsman's Park III (1-0) | 1-0 | |
| » Starters: Bill Lee vs Curt Davis | Second | 1 out |
| » Major-league debuts: Bob Bowman (Cardinals) |
| Saturday, April 22 |
| » Lost to Cardinals (2-1), 9-0 | Sportsman's Park III (1-1) | 1-1 | |
| » Starters: Larry French vs Lon Warneke | Third | 1 out |
| Sunday, April 23 |
| » Defeated Cardinals (2-2), 6-5 | Sportsman's Park III (2-1) | 2-1 | |
| » Starters: Clay Bryant vs Paul Dean | First | -- |
| Monday, April 24 |
| » Defeated Pirates (1-4), 6-2 | Wrigley Field (1-0) | 3-1 | Won 2 |
| » Starters: Jim Tobin vs Earl Whitehill | First | -- |
| Tuesday, April 25 |
| » Defeated Pirates (1-5), 5-3 | Wrigley Field (2-0) | 4-1 | Won 3 |
| » Starters: Rip Sewell vs Bill Lee | First | -- |
| Wednesday, April 26 |
| » Defeated Pirates (1-6), 3-1 | Wrigley Field (3-0) | 5-1 | Won 4 |
| » Starters: Cy Blanton vs Gene Lillard | First | -- |
| Thursday, April 27 |
| » Lost to Reds (4-2), 11-3 | Crosley Field (0-1) | 5-2 | |
| » Starters: Larry French vs Paul Derringer | First | -- |
| Friday, April 28 |
| » Lost to Reds (5-2), 7-6 | Crosley Field (0-2) | 5-3 | Lost 2 |
| » Starters: Clay Bryant vs Johnny Vander Meer | Second | ½ out |
| Saturday, April 29 |
| » Lost to Cardinals (5-3), 2-0 | Wrigley Field (3-1) | 5-4 | Lost 3 |
| » Starters: Lon Warneke vs Bill Lee | Fourth | 1½ out |
| Sunday, April 30 |
| » Defeated Cardinals (5-4), 4-1 | Wrigley Field (4-1) | 6-4 | |
| » Starters: Curt Davis vs Gene Lillard | Third | 1 out |
| Future Cub Bob Hendley is born in Macon, GA. |
| Monday, May 1 |
| » Major-league debuts: Dave Coble (Phillies) |
| Tuesday, May 2 |
| » Lost to Phillies (5-6), 6-1 | Shibe Park (0-1) | 6-5 | |
| » Starters: Ray Harrell vs Syl Johnson | Third | 1½ out |
| Wednesday, May 3 |
| » Lost to Phillies (6-6), 4-1 | Shibe Park (0-2) | 6-6 | Lost 2 |
| » Starters: Earl Whitehill vs Hugh Mulcahy | Fifth | 2 out |
| Thursday, May 4 |
| » Lost to Dodgers (6-5), 6-2 | Ebbets Field (0-1) | 6-7 | Lost 3 |
| » Starters: Bill Lee vs Boots Poffenberger | Third | 2½ out |
| Friday, May 5 |
| » Lost to Dodgers (7-5), 6-3 | Ebbets Field (0-2) | 6-8 | Lost 4 |
| » Starters: Gene Lillard vs Whit Wyatt | Third | 2½ out |
| » Major-league debuts: Rip Russell (Cubs) |
| Saturday, May 6 |
| » Defeated Dodgers (7-6), 4-3 | Ebbets Field (1-2) | 7-8 | |
| » Starters: Vance Page vs Luke Hamlin | Fourth | 2 out |
| Sunday, May 7 |
| » Lost to Giants (8-8), 10-3 | Polo Grounds V (0-1) | 7-9 | |
| » Starters: Clay Bryant vs Cliff Melton | Sixth | 3 out |
| Monday, May 8 |
| » Defeated Giants (8-9), 4-2 | Polo Grounds V (1-1) | 8-9 | |
| » Starters: Bill Lee vs Hal Schumacher | Fourth | 2 out |
| Tuesday, May 9 |
| » Defeated Giants (8-10), 11-7 | Polo Grounds V (2-1) | 9-9 | Won 2 |
| » Starters: Gene Lillard vs Manny Salvo | Fourth | 2 out |
| Wednesday, May 10 |
| » Lost to Braves (9-8), 6-2 | Braves Field (0-1) | 9-10 | |
| » Starters: Ray Harrell vs Lou Fette | Third | 2 out |
| Thursday, May 11 |
| » Defeated Braves (9-9), 6-2 | Braves Field (1-1) | 10-10 | |
| » Starters: Vance Page vs Jim Turner | Fourth | 1½ out |
| Future Cub Milt Pappas is born in Detroit, MI. |
| Saturday, May 13 |
| » Defeated Pirates (8-11), 6-2 | Forbes Field (1-0) | 11-10 | Won 2 |
| » Starters: Bill Lee vs Bob Klinger | Third | 1 out |
| Sunday, May 14 |
| » Lost to Pirates (9-11), 5-2 | Forbes Field (1-1) | 11-11 | |
| » Starters: Gene Lillard vs Jim Tobin | Fourth | 2 out |
| Monday, May 15 |
| » Defeated Pirates (9-12), 6-2 | Forbes Field (2-1) | 12-11 | |
| » Starters: Larry French vs Rip Sewell | Fourth | 1½ out |
| Tuesday, May 16 |
| » Lost to Dodgers (11-11), 12-2 | Wrigley Field (4-2) | 12-12 | |
| » Starters: Whit Wyatt vs Vance Page | Fourth | 2½ out |
| Wednesday, May 17 |
| » Tied Dodgers, 9-9 | Wrigley Field (4-2) | 12-12 | |
| » Starters: Luke Hamlin vs Earl Whitehill | Fifth | 2 out |
| Thursday, May 18 |
| » Defeated Dodgers (11-12), 4-2 | Wrigley Field (5-2) | 13-12 | |
| » Starters: Van Mungo vs Bill Lee | Third | 2 out |
| Friday, May 19 |
| » Lost to Giants (12-14), 11-5 | Wrigley Field (5-3) | 13-13 | |
| » Starters: Harry Gumbert vs Gene Lillard | Fourth | 2½ out |
| Saturday, May 20 |
| » Defeated Giants (12-15), 8-4 | Wrigley Field (6-3) | 14-13 | |
| » Starters: Cliff Melton vs Larry French | Third | 2½ out |
| Sunday, May 21 |
| » Defeated Braves (13-14), 4-0 | Wrigley Field (7-3) | 15-13 | Won 2 |
| » Starters: Jim Turner vs Dizzy Dean | Third | 2½ out |
| Monday, May 22 |
| » Lost to Braves (14-14), 5-3 | Wrigley Field (7-4) | 15-14 | |
| » Starters: Lou Fette vs Bill Lee | Third | 3½ out |
| Tuesday, May 23 |
| » Defeated Braves (14-15), 15-8 | Wrigley Field (8-4) | 16-14 | |
| » Starters: Danny MacFayden vs Kirby Higbe | Third | 3½ out |
| Wednesday, May 24 |
| » Defeated Phillies (10-20), 3-2 | Wrigley Field (9-4) | 17-14 | Won 2 |
| » Starters: Claude Passeau vs Larry French | Third | 3½ out |
| Thursday, May 25 |
| » Lost to Phillies (11-20), 8-7 | Wrigley Field (9-5) | 17-15 | |
| » Starters: Hugh Mulcahy vs Vance Page | Third | 4½ out |
| Friday, May 26 |
| » Lost to Pirates (16-16), 14-5 | Wrigley Field (9-6) | 17-16 | Lost 2 |
| » Starters: Jim Tobin vs Bill Lee | Third | 5½ out |
| Saturday, May 27 |
| » Lost to Pirates (17-16), 9-1 | Wrigley Field (9-7) | 17-17 | Lost 3 |
| » Starters: Rip Sewell vs Kirby Higbe | Fourth | 6½ out |
| Sunday, May 28 |
| » Defeated Pirates (17-17), 6-2 | Wrigley Field (10-7) | 18-17 | |
| » Starters: Joe Bowman vs Dizzy Dean | Third | 6 out |
| Monday, May 29 |
| » Lost to Reds (25-11), 6-3 | Crosley Field (0-3) | 18-18 | |
| » Starters: Bill Lee vs Lee Grissom | Fourth | 7 out |
| Tuesday, May 30 |
| » Defeated Reds (25-12), 6-0 | Crosley Field (1-3) | 19-18 | |
| » Starters: Larry French vs Whitey Moore | Third | 5 out |
| » Defeated Reds (25-13), 2-0 | Crosley Field (2-3) | 20-18 | Won 2 |
| » Starters: Vance Page vs Bucky Walters | Third | 5 out |
| Thursday, June 1 |
| » Lost to Dodgers (18-18), 3-2 | Ebbets Field (1-3) | 20-19 | |
| » Starters: Claude Passeau vs Van Mungo | Fourth | 6 out |
| Saturday, June 3 |
| » Defeated Dodgers (18-19), 10-5 | Ebbets Field (2-3) | 21-19 | |
| » Starters: Earl Whitehill vs Tot Pressnell | Fourth | 5½ out |
| Sunday, June 4 |
| » Defeated Phillies (12-27), 9-4 | Shibe Park (1-2) | 22-19 | Won 2 |
| » Starters: Bill Lee vs Hugh Mulcahy | Third | 5½ out |
| Monday, June 5 |
| » Lost to Phillies (13-27), 8-7 | Shibe Park (1-3) | 22-20 | |
| » Starters: Larry French vs Kirby Higbe | Third | 6½ out |
| Tuesday, June 6 |
| » Lost to Phillies (14-27), 9-8 | Shibe Park (1-4) | 22-21 | Lost 2 |
| » Starters: Vance Page vs Syl Johnson | Third | 6½ out |
| » Major-league debuts: Ike Pearson (Phillies) |
| Wednesday, June 7 |
| » Defeated Giants (20-25), 7-1 | Polo Grounds V (3-1) | 23-21 | |
| » Starters: Claude Passeau vs Cliff Melton | Third | 6½ out |
| Thursday, June 8 |
| » Lost to Giants (21-25), 5-3 | Polo Grounds V (3-2) | 23-22 | |
| » Starters: Bill Lee vs Harry Gumbert | Third | 7½ out |
| Friday, June 9 |
| » Lost to Giants (22-25), 4-3 | Polo Grounds V (3-3) | 23-23 | Lost 2 |
| » Starters: Larry French vs Bill Lohrman | Fourth | 8 out |
| Future Cub Doug Clemens is born in Leesport, PA. |
| Saturday, June 10 |
| » Defeated Braves (19-26), 2-1 | Braves Field (2-1) | 24-23 | |
| » Starters: Earl Whitehill vs Milt Shoffner | Fourth | 7 out |
| Sunday, June 11 |
| » Lost to Braves (20-26), 4-3 | Braves Field (2-2) | 24-24 | |
| » Starters: Claude Passeau vs Danny MacFayden | Fourth | 7 out |
| » Defeated Braves (20-27), 5-3 | Braves Field (3-2) | 25-24 | |
| » Starters: Dizzy Dean vs Tom Earley | Fourth | 7 out |
| Future Cub Jimmy Stewart is born in Opelika, AL. |
| Wednesday, June 14 |
| » Lost to Giants (26-25), 2-1 | Wrigley Field (10-8) | 25-25 | |
| » Starters: Bill Lohrman vs Bill Lee | Fifth | 8 out |
| Thursday, June 15 |
| » Lost to Giants (27-25), 7-4 | Wrigley Field (10-9) | 25-26 | Lost 2 |
| » Starters: Manny Salvo vs Larry French | Fifth | 9 out |
| Future Cub Ty Cline is born in Hampton, SC. |
| Friday, June 16 |
| » Lost to Giants (28-25), 6-4 | Wrigley Field (10-10) | 25-27 | Lost 3 |
| » Starters: Hal Schumacher vs Claude Passeau | Fifth | 9½ out |
| Saturday, June 17 |
| » Lost to Dodgers (26-24), 5-0 | Wrigley Field (10-11) | 25-28 | Lost 4 |
| » Starters: Whit Wyatt vs Earl Whitehill | Fifth | 10½ out |
| Sunday, June 18 |
| » Defeated Dodgers (26-25), 1-0 | Wrigley Field (11-11) | 26-28 | |
| » Starters: Luke Hamlin vs Dizzy Dean | Fifth | 9½ out |
| » Defeated Dodgers (26-26), 9-1 | Wrigley Field (12-11) | 27-28 | Won 2 |
| » Starters: Vito Tamulis vs Bill Lee | Fifth | 9½ out |
| Future Cub Lou Brock is born in El Dorado, AR. |
| Monday, June 19 |
| » Tied Dodgers, 3-3 | Wrigley Field (12-11) | 27-28 | |
| » Starters: Hugh Casey vs Charlie Root | Fifth | 9½ out |
| Tuesday, June 20 |
| » Defeated Braves (22-31), 3-1 | Wrigley Field (13-11) | 28-28 | Won 3 |
| » Starters: Milt Shoffner vs Claude Passeau | Fourth | 9½ out |
| Wednesday, June 21 |
| » Defeated Braves (22-32), 3-0 | Wrigley Field (14-11) | 29-28 | Won 4 |
| » Starters: Bill Posedel vs Earl Whitehill | Fourth | 8½ out |
| Thursday, June 22 |
| » Defeated Braves (22-33), 7-1 | Wrigley Field (15-11) | 30-28 | Won 5 |
| » Starters: Dick Errickson vs Dizzy Dean | Fourth | 8 out |
| Friday, June 23 |
| » Defeated Phillies (18-35), 4-3 | Wrigley Field (16-11) | 31-28 | Won 6 |
| » Starters: Max Butcher vs Bill Lee | Fourth | 7 out |
| Saturday, June 24 |
| » Lost to Phillies (19-35), 1-0 | Wrigley Field (16-12) | 31-29 | |
| » Starters: Hugh Mulcahy vs Charlie Root | Fourth | 7 out |
| Sunday, June 25 |
| » Defeated Phillies (19-36), 4-3 | Wrigley Field (17-12) | 32-29 | |
| » Starters: Kirby Higbe vs Claude Passeau | Fourth | 6 out |
| Tuesday, June 27 |
| » Lost to Cardinals (33-25), 5-2 | Sportsman's Park III (2-2) | 32-30 | |
| » Starters: Earl Whitehill vs Lon Warneke | Fourth | 7 out |
| Wednesday, June 28 |
| » Defeated Cardinals (33-26), 8-4 | Sportsman's Park III (3-2) | 33-30 | |
| » Starters: Dizzy Dean vs Mort Cooper | Fourth | 6½ out |
| Thursday, June 29 |
| » Defeated Cardinals (33-27), 7-6 | Sportsman's Park III (4-2) | 34-30 | Won 2 |
| » Starters: Bill Lee vs Bob Weiland | Fourth | 6 out |
| Friday, June 30 |
| » Defeated Reds (38-23), 5-1 | Wrigley Field (18-12) | 35-30 | Won 3 |
| » Starters: Johnny Vander Meer vs Charlie Root | Fourth | 5 out |
| Saturday, July 1 |
| » Lost to Reds (39-23), 8-6 | Wrigley Field (18-13) | 35-31 | |
| » Starters: Bucky Walters vs Claude Passeau | Fourth | 6 out |
| Sunday, July 2 |
| » Lost to Reds (40-23), 11-3 | Wrigley Field (18-14) | 35-32 | Lost 2 |
| » Starters: Paul Derringer vs Larry French | Third | 6 out |
| » Defeated Reds (40-24), 9-8 | Wrigley Field (19-14) | 36-32 | |
| » Starters: Lee Grissom vs Dizzy Dean | Third | 6 out |
| Monday, July 3 |
| » Lost to Cardinals (34-30), 5-3 | Wrigley Field (19-15) | 36-33 | |
| » Starters: Mort Cooper vs Bill Lee | Fourth | 6½ out |
| Tuesday, July 4 |
| » Lost to Cardinals (35-30), 6-4 | Wrigley Field (19-16) | 36-34 | Lost 2 |
| » Starters: Bill McGee vs Earl Whitehill | Fourth | 6½ out |
| » Defeated Cardinals (35-31), 3-2 | Wrigley Field (20-16) | 37-34 | |
| » Starters: Paul Dean vs Claude Passeau | Fourth | 6½ out |
| Wednesday, July 5 |
| » Lost to Pirates (32-32), 10-1 | Forbes Field (2-2) | 37-35 | |
| » Starters: Charlie Root vs Joe Bowman | Fifth | 7½ out |
| Thursday, July 6 |
| » Lost to Pirates (33-32), 7-2 | Forbes Field (2-3) | 37-36 | Lost 2 |
| » Starters: Dizzy Dean vs Bob Klinger | Sixth | 8½ out |
| Friday, July 7 |
| » Defeated Pirates (33-33), 5-4 | Forbes Field (3-3) | 38-36 | |
| » Starters: Bill Lee vs Jim Tobin | Fifth | 8 out |
| Former Cub Deacon White dies in Aurora, IL at the age of 92. |
| Saturday, July 8 |
| » Defeated Reds (43-26), 7-6 | Crosley Field (3-3) | 39-36 | Won 2 |
| » Starters: Claude Passeau vs Lee Grissom | Fourth | 7 out |
| Sunday, July 9 |
| » Lost to Reds (44-26), 13-1 | Crosley Field (3-4) | 39-37 | |
| » Starters: Gene Lillard vs Bucky Walters | Fifth | 8 out |
| Thursday, July 13 |
| » Defeated Phillies (21-47), 7-5 | Shibe Park (2-4) | 40-37 | |
| » Starters: Claude Passeau vs Hugh Mulcahy | Third | 8 out |
| Saturday, July 15 |
| » Lost to Phillies (22-47), 8-5 | Shibe Park (2-5) | 40-38 | |
| » Starters: Bill Lee vs Kirby Higbe | Fourth | 8½ out |
| Sunday, July 16 |
| » Defeated Dodgers (37-35), 9-2 | Ebbets Field (3-3) | 41-38 | |
| » Starters: Claude Passeau vs Hugh Casey | Fourth | 7½ out |
| » Lost to Dodgers (38-35), 4-0 | Ebbets Field (3-4) | 41-39 | |
| » Starters: Vance Page vs Van Mungo | Fourth | 7½ out |
| Monday, July 17 |
| » Defeated Dodgers (38-36), 11-2 | Ebbets Field (4-4) | 42-39 | |
| » Starters: Charlie Root vs Whit Wyatt | Third | 7½ out |
| Tuesday, July 18 |
| » Defeated Dodgers (38-37), 4-2 | Ebbets Field (5-4) | 43-39 | Won 2 |
| » Starters: Claude Passeau vs Luke Hamlin | Second | 7½ out |
| Wednesday, July 19 |
| » Lost to Braves (38-41), 3-2 | Braves Field (3-3) | 43-40 | |
| » Starters: Bill Lee vs Milt Shoffner | Third | 8½ out |
| Thursday, July 20 |
| » Lost to Braves (39-41), 2-1 | Braves Field (3-4) | 43-41 | Lost 2 |
| » Starters: Vance Page vs Bill Posedel | Third | 9 out |
| Friday, July 21 |
| » Defeated Braves (39-42), 3-1 | Braves Field (4-4) | 44-41 | |
| » Starters: Charlie Root vs Jim Turner | Third | 8½ out |
| » Major-league debuts: Sibby Sisti (Braves) |
| Saturday, July 22 |
| » Defeated Giants (41-42), 8-7 | Polo Grounds V (4-3) | 45-41 | Won 2 |
| » Starters: Claude Passeau vs Manny Salvo | Second | 8½ out |
| Sunday, July 23 |
| » Defeated Giants (41-43), 7-5 | Polo Grounds V (5-3) | 46-41 | Won 3 |
| » Starters: Bill Lee vs Bill Lohrman | Third | 9 out |
| Tuesday, July 25 |
| » Lost to Dodgers (41-41), 8-6 | Wrigley Field (20-17) | 46-42 | |
| » Starters: Luke Hamlin vs Charlie Root | Fourth | 10½ out |
| » Lost to Dodgers (42-41), 3-1 | Wrigley Field (20-18) | 46-43 | Lost 2 |
| » Starters: Hugh Casey vs Vance Page | Fourth | 10½ out |
| Former Cub Peaches Graham dies in Long Beach, CA at the age of 63. |
| Wednesday, July 26 |
| » Defeated Dodgers (42-42), 10-2 | Wrigley Field (21-18) | 47-43 | |
| » Starters: Freddie Fitzsimmons vs Dizzy Dean | Fourth | 10 out |
| Thursday, July 27 |
| » Defeated Dodgers (42-43), 3-1 | Wrigley Field (22-18) | 48-43 | Won 2 |
| » Starters: Tot Pressnell vs Bill Lee | Fourth | 10½ out |
| Friday, July 28 |
| » Defeated Giants (42-46), 5-4 | Wrigley Field (23-18) | 49-43 | Won 3 |
| » Starters: Bill Lohrman vs Claude Passeau | Second | 10 out |
| Saturday, July 29 |
| » Lost to Giants (43-46), 5-2 | Wrigley Field (23-19) | 49-44 | |
| » Starters: Harry Gumbert vs Charlie Root | Third | 11½ out |
| Sunday, July 30 |
| » Lost to Giants (44-46), 3-1 | Wrigley Field (23-20) | 49-45 | Lost 2 |
| » Starters: Carl Hubbell vs Vance Page | Fourth | 13 out |
| Tuesday, August 1 |
| » Defeated Phillies (26-62), 6-2 | Wrigley Field (24-20) | 50-45 | |
| » Starters: Kirby Higbe vs Dizzy Dean | Third | 12 out |
| Thursday, August 3 |
| » Defeated Phillies (26-63), 9-6 | Wrigley Field (25-20) | 51-45 | Won 2 |
| » Starters: Hugh Mulcahy vs Bill Lee | Third | 11 out |
| Friday, August 4 |
| » Defeated Braves (42-52), 1-0 | Wrigley Field (26-20) | 52-45 | Won 3 |
| » Starters: Lou Fette vs Claude Passeau | Third | 11 out |
| Saturday, August 5 |
| » Defeated Braves (42-53), 3-2 | Wrigley Field (27-20) | 53-45 | Won 4 |
| » Starters: Joe Sullivan vs Charlie Root | Third | 10 out |
| Sunday, August 6 |
| » Lost to Braves (43-53), 9-8 | Wrigley Field (27-21) | 53-46 | |
| » Starters: Danny MacFayden vs Vance Page | Third | 10½ out |
| Tuesday, August 8 |
| » Defeated Reds (62-35), 7-3 | Wrigley Field (28-21) | 54-46 | |
| » Starters: Bucky Walters vs Bill Lee | Third | 10½ out |
| » Lost to Reds (63-35), 7-5 | Wrigley Field (28-22) | 54-47 | |
| » Starters: Lee Grissom vs Larry French | Third | 10½ out |
| Wednesday, August 9 |
| » Lost to Reds (64-35), 7-5 | Wrigley Field (28-23) | 54-48 | Lost 2 |
| » Starters: Johnny Vander Meer vs Charlie Root | Third | 12½ out |
| » Lost to Reds (65-35), 11-3 | Wrigley Field (28-24) | 54-49 | Lost 3 |
| » Starters: Whitey Moore vs Claude Passeau | Third | 12½ out |
| Thursday, August 10 |
| » Defeated Reds (65-36), 6-4 | Wrigley Field (29-24) | 55-49 | |
| » Starters: Paul Derringer vs Vance Page | Third | 11½ out |
| Friday, August 11 |
| » Defeated Pirates (49-48), 3-2 | Wrigley Field (30-24) | 56-49 | Won 2 |
| » Starters: Max Butcher vs Bill Lee | Third | 11 out |
| Saturday, August 12 |
| » Defeated Pirates (49-49), 6-4 | Wrigley Field (31-24) | 57-49 | Won 3 |
| » Starters: Mace Brown vs Clay Bryant | Third | 11 out |
| Sunday, August 13 |
| » Defeated Pirates (49-50), 5-4 | Wrigley Field (32-24) | 58-49 | Won 4 |
| » Starters: Bob Klinger vs Dizzy Dean | Third | 9½ out |
| Monday, August 14 |
| » Defeated Cardinals (58-44), 4-0 | Sportsman's Park III (5-2) | 59-49 | Won 5 |
| » Starters: Larry French vs Tom Sunkel | Third | 9½ out |
| Tuesday, August 15 |
| » Lost to Cardinals (59-44), 7-6 | Sportsman's Park III (5-3) | 59-50 | |
| » Starters: Bill Lee vs Lon Warneke | Third | 10½ out |
| Wednesday, August 16 |
| » Defeated Reds (68-39), 2-1 | Crosley Field (4-4) | 60-50 | |
| » Starters: Claude Passeau vs Bucky Walters | Third | 9½ out |
| Thursday, August 17 |
| » Lost to Reds (69-39), 7-6 | Crosley Field (4-5) | 60-51 | |
| » Starters: Vance Page vs Lee Grissom | Third | 10½ out |
| Saturday, August 19 |
| » Defeated Pirates (49-57), 5-0 | Forbes Field (4-3) | 61-51 | |
| » Starters: Bill Lee vs Jim Tobin | Third | 10 out |
| Sunday, August 20 |
| » Defeated Pirates (49-58), 9-5 | Forbes Field (5-3) | 62-51 | Won 2 |
| » Starters: Claude Passeau vs Bob Klinger | Third | 9 out |
| » Lost to Pirates (50-58), 5-0 | Forbes Field (5-4) | 62-52 | |
| » Starters: Earl Whitehill vs Max Butcher | Third | 9 out |
| Monday, August 21 |
| » Defeated Giants (55-55), 4-3 | Polo Grounds V (6-3) | 63-52 | |
| » Starters: Larry French vs Bill Lohrman | Third | 9 out |
| Tuesday, August 22 |
| » Lost to Giants (56-55), 4-2 | Polo Grounds V (6-4) | 63-53 | |
| » Starters: Charlie Root vs Cliff Melton | Third | 9 out |
| Wednesday, August 23 |
| » Defeated Giants (56-56), 8-3 | Polo Grounds V (7-4) | 64-53 | |
| » Starters: Bill Lee vs Harry Gumbert | Third | 9 out |
| Thursday, August 24 |
| » Defeated Braves (49-63), 6-1 | Braves Field (5-4) | 65-53 | Won 2 |
| » Starters: Claude Passeau vs Joe Sullivan | Third | 8 out |
| Saturday, August 26 |
| » Defeated Braves (49-64), 8-1 | Braves Field (6-4) | 66-53 | Won 3 |
| » Starters: Larry French vs Lou Fette | Third | 7 out |
| » Defeated Braves (49-65), 8-1 | Braves Field (7-4) | 67-53 | Won 4 |
| » Starters: Vance Page vs Jim Turner | Third | 7 out |
| Sunday, August 27 |
| » Lost to Phillies (37-76), 4-3 | Shibe Park (2-6) | 67-54 | |
| » Starters: Bill Lee vs Boom-Boom Beck | Third | 8½ out |
| » Lost to Phillies (38-76), 3-2 | Shibe Park (2-7) | 67-55 | Lost 2 |
| » Starters: Claude Passeau vs Ray Harrell | Third | 8½ out |
| Monday, August 28 |
| » Defeated Phillies (38-77), 5-3 | Shibe Park (3-7) | 68-55 | |
| » Starters: Charlie Root vs Syl Johnson | Third | 7½ out |
| Friday, September 1 |
| » Defeated Dodgers (60-57), 6-2 | Ebbets Field (6-4) | 69-55 | Won 2 |
| » Starters: Larry French vs Tot Pressnell | Third | 7½ out |
| » Lost to Dodgers (61-57), 3-1 | Ebbets Field (6-5) | 69-56 | |
| » Starters: Bill Lee vs Vito Tamulis | Third | 7½ out |
| Future Cub Rico Carty is born in San Pedro de Macoris, D.R. |
| Saturday, September 2 |
| » Defeated Reds (73-46), 6-1 | Crosley Field (5-5) | 70-56 | |
| » Starters: Claude Passeau vs Bucky Walters | Third | 6½ out |
| Sunday, September 3 |
| » Lost to Reds (74-46), 5-0 | Crosley Field (5-6) | 70-57 | |
| » Starters: Charlie Root vs Paul Derringer | Third | 7½ out |
| Monday, September 4 |
| » Lost to Pirates (56-66), 2-1 | Wrigley Field (32-25) | 70-58 | Lost 2 |
| » Starters: Max Butcher vs Dizzy Dean | Third | 8 out |
| » Lost to Pirates (57-66), 6-3 | Wrigley Field (32-26) | 70-59 | Lost 3 |
| » Starters: Bob Klinger vs Vance Page | Third | 8 out |
| Wednesday, September 6 |
| » Defeated Cardinals (71-54), 11-3 | Wrigley Field (33-26) | 71-59 | |
| » Starters: Curt Davis vs Larry French | Third | 8 out |
| Thursday, September 7 |
| » Lost to Cardinals (72-54), 4-2 | Wrigley Field (33-27) | 71-60 | |
| » Starters: Mort Cooper vs Bill Lee | Third | 8 out |
| Friday, September 8 |
| » Lost to Cardinals (73-54), 10-3 | Wrigley Field (33-28) | 71-61 | Lost 2 |
| » Starters: Bill McGee vs Claude Passeau | Third | 9 out |
| » Major-league debuts: Vern Olsen (Cubs) |
| Saturday, September 9 |
| » Defeated Reds (77-50), 3-2 | Wrigley Field (34-28) | 72-61 | |
| » Starters: Whitey Moore vs Charlie Root | Third | 8 out |
| Sunday, September 10 |
| » Lost to Reds (78-50), 7-2 | Wrigley Field (34-29) | 72-62 | |
| » Starters: Paul Derringer vs Larry French | Third | 9 out |
| Tuesday, September 12 |
| » Defeated Braves (57-72), 8-3 | Wrigley Field (35-29) | 73-62 | |
| » Starters: Bill Posedel vs Bill Lee | Third | 9 out |
| Wednesday, September 13 |
| » Defeated Braves (57-73), 15-4 | Wrigley Field (36-29) | 74-62 | Won 2 |
| » Starters: Dick Errickson vs Claude Passeau | Third | 9 out |
| Thursday, September 14 |
| » Defeated Phillies (41-90), 13-1 | Wrigley Field (37-29) | 75-62 | Won 3 |
| » Starters: Boom-Boom Beck vs Charlie Root | Third | 9 out |
| » Defeated Phillies (41-91), 5-2 | Wrigley Field (38-29) | 76-62 | Won 4 |
| » Starters: Roy Bruner vs Larry French | Third | 9 out |
| Friday, September 15 |
| » Lost to Phillies (42-91), 9-6 | Wrigley Field (38-30) | 76-63 | |
| » Starters: Kirby Higbe vs Dizzy Dean | Third | 9 out |
| » Defeated Phillies (42-92), 6-1 | Wrigley Field (39-30) | 77-63 | |
| » Starters: Bill Kerksieck vs Vance Page | Third | 9 out |
| Saturday, September 16 |
| » Defeated Phillies (42-93), 8-2 | Wrigley Field (40-30) | 78-63 | Won 2 |
| » Starters: Ray Harrell vs Bill Lee | Third | 9 out |
| » Major-league debuts: Stan Benjamin and Charlie Letchas (Phillies) |
| Sunday, September 17 |
| » Lost to Dodgers (73-63), 10-4 | Wrigley Field (40-31) | 78-64 | |
| » Starters: Hugh Casey vs Earl Whitehill | Third | 10 out |
| » Lost to Dodgers (74-63), 3-2 | Wrigley Field (40-32) | 78-65 | Lost 2 |
| » Starters: Luke Hamlin vs Claude Passeau | Third | 10 out |
| Monday, September 18 |
| » Major-league debuts: Elmer Gedeon (Senators) |
| Tuesday, September 19 |
| » Defeated Giants (69-70), 3-2 | Wrigley Field (41-32) | 79-65 | |
| » Starters: Harry Gumbert vs Larry French | Third | 9 out |
| Wednesday, September 20 |
| » Lost to Giants (70-70), 4-2 | Wrigley Field (41-33) | 79-66 | |
| » Starters: Carl Hubbell vs Bill Lee | Third | 10 out |
| Thursday, September 21 |
| » Defeated Giants (70-71), 9-3 | Wrigley Field (42-33) | 80-66 | |
| » Starters: Bill Lohrman vs Claude Passeau | Third | 10 out |
| Friday, September 22 |
| » Lost to Cardinals (87-57), 3-2 | Sportsman's Park III (5-4) | 80-67 | |
| » Starters: Larry French vs Mort Cooper | Third | 11½ out |
| Saturday, September 23 |
| » Lost to Cardinals (88-57), 7-3 | Sportsman's Park III (5-5) | 80-68 | Lost 2 |
| » Starters: Bill Lee vs Lon Warneke | Third | 13 out |
| Sunday, September 24 |
| » Lost to Cardinals (89-57), 9-1 | Sportsman's Park III (5-6) | 80-69 | Lost 3 |
| » Starters: Claude Passeau vs Max Lanier | Fourth | 14 out |
| Future Cub Dick Nen is born in South Gate, CA. |
| Wednesday, September 27 |
| » Defeated Pirates (67-82), 9-8 | Forbes Field (6-4) | 81-69 | |
| » Starters: Charlie Root vs Oad Swigart | Third | 12½ out |
| » Defeated Pirates (67-83), 9-5 | Forbes Field (7-4) | 82-69 | Won 2 |
| » Starters: Vance Page vs Bob Klinger | Third | 12½ out |
| » Major-league debuts: Joe Schultz and Jr. (Pirates) |
| Saturday, September 30 |
| » Lost to Cardinals (92-59), 7-5 | Wrigley Field (42-34) | 82-70 | |
| » Starters: Mort Cooper vs Larry French | Fourth | 13½ out |
| » Defeated Cardinals (92-60), 5-1 | Wrigley Field (43-34) | 83-70 | |
| » Starters: Tom Sunkel vs Bill Lee | Fourth | 13½ out |
| » Major-league debuts: Murry Dickson (Cardinals) |
| Sunday, October 1 |
| » Defeated Cardinals (92-61), 2-1 | Wrigley Field (44-34) | 84-70 | Won 2 |
