| Monday, January 8 |
| Future Pirate Gene Freese is born in Wheeling, WV. |
| Tuesday, April 17 |
| » Lost to Cardinals (1-0), 7-1 | Sportsman's Park III (0-1) | 0-1 | |
| » Starters: Heinie Meine vs Dizzy Dean | Second | 1 out |
| » Major-league debuts: Cookie Lavagetto (Pirates) |
| Wednesday, April 18 |
| » Defeated Cardinals (1-1), 7-6 | Sportsman's Park III (1-1) | 1-1 | |
| » Starters: Larry French vs Paul Dean | Second | 1 out |
| » Major-league debuts: Paul Dean and Buster Mills (Cardinals) |
| Thursday, April 19 |
| » Defeated Cardinals (1-2), 14-4 | Sportsman's Park III (2-1) | 2-1 | Won 2 |
| » Starters: Ralph Birkofer vs Bill Hallahan | Second | 1 out |
| Friday, April 20 |
| » Major-league debuts: Ted Kleinhans (Phillies) |
| Saturday, April 21 |
| » Lost to Reds (1-3), 8-3 | Crosley Field (0-1) | 2-2 | |
| » Starters: Bill Swift vs Allyn Stout | Fourth | 2½ out |
| Sunday, April 22 |
| » Defeated Reds (1-4), 5-4 | Crosley Field (1-1) | 3-2 | |
| » Starters: Larry French vs Si Johnson | Fourth | 2 out |
| Tuesday, April 24 |
| » Defeated Cardinals (1-5), 5-4 | Forbes Field (1-0) | 4-2 | Won 2 |
| » Starters: Bill Walker vs Heinie Meine | Third | 2 out |
| Thursday, April 26 |
| » Lost to Cardinals (2-5), 10-1 | Forbes Field (1-1) | 4-3 | |
| » Starters: Bill Hallahan vs Ralph Birkofer | Fourth | 2½ out |
| Saturday, April 28 |
| » Lost to Reds (3-6), 7-4 | Forbes Field (1-2) | 4-4 | Lost 2 |
| » Starters: Allyn Stout vs Larry French | Fourth | 4 out |
| Sunday, April 29 |
| » Defeated Reds (3-7), 9-5 | Forbes Field (2-2) | 5-4 | |
| » Starters: Joe Shaute vs Red Lucas | Fourth | 3 out |
| Monday, April 30 |
| » Lost to Cubs (10-2), 8-6 | Forbes Field (2-3) | 5-5 | |
| » Starters: Roy Joiner vs Hal Smith | Fourth | 4 out |
| Tuesday, May 1 |
| » Defeated Cubs (10-3), 4-1 | Forbes Field (3-3) | 6-5 | |
| » Starters: Charlie Root vs Ralph Birkofer | Third | 3 out |
| Wednesday, May 2 |
| » Defeated Cubs (10-4), 4-2 | Forbes Field (4-3) | 7-5 | Won 2 |
| » Starters: Lon Warneke vs Heinie Meine | Third | 2½ out |
| Thursday, May 3 |
| » Lost to Giants (11-3), 5-3 | Forbes Field (4-4) | 7-6 | |
| » Starters: Watty Clark vs Larry French | Third | 3½ out |
| Friday, May 4 |
| » Defeated Giants (11-4), 4-3 | Forbes Field (5-4) | 8-6 | |
| » Starters: Carl Hubbell vs Red Lucas | Third | 2½ out |
| Saturday, May 5 |
| » Defeated Giants (11-5), 6-3 | Forbes Field (6-4) | 9-6 | Won 2 |
| » Starters: Freddie Fitzsimmons vs Ralph Birkofer | Third | 1½ out |
| » Major-league debuts: Al Smith (Giants) |
| Sunday, May 6 |
| » Defeated Dodgers (7-9), 8-5 | Forbes Field (7-4) | 10-6 | Won 3 |
| » Starters: Dutch Leonard vs Heinie Meine | Third | 1½ out |
| Monday, May 7 |
| » Defeated Dodgers (7-10), 7-6 | Forbes Field (8-4) | 11-6 | Won 4 |
| » Starters: Ray Benge vs Larry French | Third | 1½ out |
| Tuesday, May 8 |
| » Defeated Dodgers (7-11), 5-2 | Forbes Field (9-4) | 12-6 | Won 5 |
| » Starters: Van Mungo vs Bill Swift | Second | ½ out |
| Wednesday, May 9 |
| » Lost to Phillies (6-13), 6-2 | Forbes Field (9-5) | 12-7 | |
| » Starters: Curt Davis vs Red Lucas | Third | 1 out |
| Friday, May 11 |
| » Defeated Phillies (6-14), 6-4 | Forbes Field (10-5) | 13-7 | |
| » Starters: Snipe Hansen vs Ralph Birkofer | Second | 1½ out |
| Saturday, May 12 |
| » Defeated Phillies (6-15), 11-6 | Forbes Field (11-5) | 14-7 | Won 2 |
| » Starters: Ed Holley vs Larry French | Second | 1½ out |
| Sunday, May 13 |
| » Defeated Braves (12-11), 9-2 | Forbes Field (12-5) | 15-7 | Won 3 |
| » Starters: Ed Brandt vs Hal Smith | First | -- |
| Thursday, May 17 |
| » Lost to Dodgers (10-15), 2-1 | Ebbets Field (0-1) | 15-8 | |
| » Starters: Bill Swift vs Van Mungo | Second | 2½ out |
| Friday, May 18 |
| » Defeated Dodgers (10-16), 8-3 | Ebbets Field (1-1) | 16-8 | |
| » Starters: Ralph Birkofer vs Charlie Perkins | Second | 2½ out |
| Saturday, May 19 |
| » Lost to Dodgers (11-16), 8-5 | Ebbets Field (1-2) | 16-9 | |
| » Starters: Red Lucas vs Ray Benge | Second | 2½ out |
| Sunday, May 20 |
| » Lost to Phillies (9-17), 16-4 | Baker Bowl (0-1) | 16-10 | Lost 2 |
| » Starters: Hal Smith vs Curt Davis | Third | 2½ out |
| Monday, May 21 |
| » Defeated Phillies (9-18), 11-4 | Baker Bowl (1-1) | 17-10 | |
| » Starters: Larry French vs Frank Pearce | Second | 2½ out |
| Tuesday, May 22 |
| » Defeated Phillies (9-19), 13-4 | Baker Bowl (2-1) | 18-10 | Won 2 |
| » Starters: Ralph Birkofer vs George Darrow | First | -- |
| Wednesday, May 23 |
| » Lost to Braves (15-14), 6-1 | Braves Field (0-1) | 18-11 | |
| » Starters: Heinie Meine vs Fred Frankhouse | First | -- |
| Thursday, May 24 |
| » Defeated Braves (15-15), 7-3 | Braves Field (1-1) | 19-11 | |
| » Starters: Bill Swift vs Ed Brandt | First | -- |
| Sunday, May 27 |
| » Defeated Giants (20-15), 7-3 | Polo Grounds V (1-0) | 20-11 | Won 2 |
| » Starters: Red Lucas vs Al Smith | First | -- |
| Monday, May 28 |
| » Lost to Giants (21-15), 3-2 | Polo Grounds V (1-1) | 20-12 | |
| » Starters: Larry French vs Hal Schumacher | Second | 1 out |
| » Lost to Giants (22-15), 1-0 | Polo Grounds V (1-2) | 20-13 | Lost 2 |
| » Starters: Ralph Birkofer vs Carl Hubbell | Second | 1 out |
| Wednesday, May 30 |
| » Lost to Cubs (23-16), 7-2 | Wrigley Field (0-1) | 20-14 | Lost 3 |
| » Starters: Heinie Meine vs Lon Warneke | Fourth | 3 out |
| » Lost to Cubs (24-16), 5-4 | Wrigley Field (0-2) | 20-15 | Lost 4 |
| » Starters: Hal Smith vs Pat Malone | Fourth | 3 out |
| Thursday, May 31 |
| » Lost to Cubs (25-16), 11-5 | Wrigley Field (0-3) | 20-16 | Lost 5 |
| » Starters: Bill Swift vs Guy Bush | Third | 4 out |
| Friday, June 1 |
| » Defeated Cardinals (25-14), 4-3 | Forbes Field (13-5) | 21-16 | |
| » Starters: Bill Hallahan vs Ralph Birkofer | Third | 3 out |
| Saturday, June 2 |
| » Lost to Cardinals (26-14), 13-4 | Forbes Field (13-6) | 21-17 | |
| » Starters: Dizzy Dean vs Red Lucas | Fifth | 3 out |
| » Defeated Cardinals (26-15), 6-3 | Forbes Field (14-6) | 22-17 | |
| » Starters: Jim Mooney vs Larry French | Fifth | 3 out |
| Sunday, June 3 |
| » Defeated Cardinals (26-16), 4-2 | Forbes Field (15-6) | 23-17 | Won 2 |
| » Starters: Tex Carleton vs Heinie Meine | Third | 2 out |
| Wednesday, June 6 |
| » Defeated Reds (9-30), 3-1 | Crosley Field (2-1) | 24-17 | Won 3 |
| » Starters: Bill Swift vs Paul Derringer | Fourth | 2 out |
| » Defeated Reds (9-31), 5-1 | Crosley Field (3-1) | 25-17 | Won 4 |
| » Starters: Ralph Birkofer vs Benny Frey | Fourth | 2 out |
| Thursday, June 7 |
| » Defeated Reds (9-32), 2-1 | Crosley Field (4-1) | 26-17 | Won 5 |
| » Starters: Red Lucas vs Ted Kleinhans | Third | 2 out |
| Friday, June 8 |
| » Lost to Cardinals (28-18), 6-2 | Sportsman's Park III (2-2) | 26-18 | |
| » Starters: Larry French vs Tex Carleton | Fourth | 2 out |
| Sunday, June 10 |
| » Lost to Cardinals (29-18), 3-2 | Sportsman's Park III (2-3) | 26-19 | Lost 2 |
| » Starters: Heinie Meine vs Dizzy Dean | Fourth | 3½ out |
| Tuesday, June 12 |
| » Lost to Dodgers (21-29), 9-7 | Forbes Field (15-7) | 26-20 | Lost 3 |
| » Starters: Dutch Leonard vs Ralph Birkofer | Fourth | 4½ out |
| Wednesday, June 13 |
| » Defeated Dodgers (21-30), 15-2 | Forbes Field (16-7) | 27-20 | |
| » Starters: Art Herring vs Bill Swift | Fourth | 4½ out |
| Thursday, June 14 |
| » Lost to Dodgers (22-30), 3-2 | Forbes Field (16-8) | 27-21 | |
| » Starters: Van Mungo vs Larry French | Fourth | 5½ out |
| Friday, June 15 |
| » Lost to Dodgers (23-30), 6-4 | Forbes Field (16-9) | 27-22 | Lost 2 |
| » Starters: Tom Zachary vs Red Lucas | Fourth | 5½ out |
| Saturday, June 16 |
| » Lost to Giants (36-19), 5-2 | Forbes Field (16-10) | 27-23 | Lost 3 |
| » Starters: Carl Hubbell vs Ralph Birkofer | Fourth | 6½ out |
| Sunday, June 17 |
| » Lost to Giants (37-19), 9-3 | Forbes Field (16-11) | 27-24 | Lost 4 |
| » Starters: Joe Bowman vs Heinie Meine | Fourth | 7½ out |
| Tuesday, June 19 |
| » Lost to Giants (38-19), 5-3 | Forbes Field (16-12) | 27-25 | Lost 5 |
| » Manager: Pie Traynor |
| » Starters: Hal Schumacher vs Larry French | Fifth | 8½ out |
| Wednesday, June 20 |
| » Defeated Braves (29-26), 6-5 | Forbes Field (17-12) | 28-25 | |
| » Starters: Ben Cantwell vs Red Lucas | Fourth | 8½ out |
| Thursday, June 21 |
| » Lost to Braves (30-26), 4-1 | Forbes Field (17-13) | 28-26 | |
| » Starters: Fred Frankhouse vs Ralph Birkofer | Fifth | 9 out |
| » Lost to Braves (31-26), 8-7 | Forbes Field (17-14) | 28-27 | Lost 2 |
| » Starters: Dick Barrett vs Bill Swift | Fifth | 9 out |
| Friday, June 22 |
| » Defeated Braves (31-27), 7-6 | Forbes Field (18-14) | 29-27 | |
| » Starters: Huck Betts vs Heinie Meine | Fifth | 8 out |
| Saturday, June 23 |
| » Defeated Braves (31-28), 4-0 | Forbes Field (19-14) | 30-27 | Won 2 |
| » Starters: Ed Brandt vs Larry French | Fourth | 7 out |
| Sunday, June 24 |
| » Defeated Phillies (22-38), 11-5 | Forbes Field (20-14) | 31-27 | Won 3 |
| » Starters: George Darrow vs Red Lucas | Fourth | 7 out |
| Monday, June 25 |
| » Defeated Phillies (22-39), 7-1 | Forbes Field (21-14) | 32-27 | Won 4 |
| » Starters: Reggie Grabowski vs Bill Swift | Fourth | 7 out |
| Tuesday, June 26 |
| » Lost to Phillies (23-39), 5-4 | Forbes Field (21-15) | 32-28 | |
| » Starters: Phil Collins vs Ralph Birkofer | Fourth | 6½ out |
| » Defeated Phillies (23-40), 4-2 | Forbes Field (22-15) | 33-28 | |
| » Starters: Ed Holley vs Red Lucas | Fourth | 6½ out |
| Wednesday, June 27 |
| » Defeated Phillies (23-41), 4-1 | Forbes Field (23-15) | 34-28 | Won 2 |
| » Starters: Curt Davis vs Larry French | Fourth | 5½ out |
| Friday, June 29 |
| » Tied Cubs, 8-8 | Forbes Field (23-15) | 34-28 | |
| » Starters: Pat Malone vs Bill Swift | Fourth | 6 out |
| Saturday, June 30 |
| » Lost to Cubs (41-26), 6-4 | Forbes Field (23-16) | 34-29 | |
| » Starters: Bill Lee vs Ralph Birkofer | Fourth | 6 out |
| Sunday, July 1 |
| » Defeated Cubs (41-27), 5-4 | Forbes Field (24-16) | 35-29 | |
| » Starters: Bud Tinning vs Larry French | Fifth | 6 out |
| Tuesday, July 3 |
| » Defeated Reds (21-45), 10-0 | Forbes Field (25-16) | 36-29 | Won 2 |
| » Starters: Ted Kleinhans vs Red Lucas | Fourth | 5½ out |
| Wednesday, July 4 |
| » Defeated Reds (21-46), 5-1 | Forbes Field (26-16) | 37-29 | Won 3 |
| » Starters: Si Johnson vs Larry French | Fourth | 6½ out |
| » Lost to Reds (22-46), 4-3 | Forbes Field (26-17) | 37-30 | |
| » Starters: Paul Derringer vs Bill Swift | Fourth | 6½ out |
| Friday, July 6 |
| » Lost to Cubs (44-29), 9-1 | Wrigley Field (0-4) | 37-31 | Lost 2 |
| » Starters: Waite Hoyt vs Guy Bush | Fourth | 7 out |
| Saturday, July 7 |
| » Lost to Cubs (45-29), 4-2 | Wrigley Field (0-5) | 37-32 | Lost 3 |
| » Starters: Red Lucas vs Lon Warneke | Fourth | 7 out |
| Sunday, July 8 |
| » Defeated Cubs (45-30), 11-4 | Wrigley Field (1-5) | 38-32 | |
| » Starters: Larry French vs Bill Lee | Fourth | 7½ out |
| » Lost to Cubs (46-30), 12-3 | Wrigley Field (1-6) | 38-33 | |
| » Starters: Bill Swift vs Jim Weaver | Fourth | 7½ out |
| Wednesday, July 11 |
| » Lost to Giants (49-28), 3-2 | Polo Grounds V (1-3) | 38-34 | Lost 2 |
| » Starters: Waite Hoyt vs Hal Schumacher | Fourth | 8½ out |
| Thursday, July 12 |
| » Defeated Giants (49-29), 3-1 | Polo Grounds V (2-3) | 39-34 | |
| » Starters: Larry French vs Roy Parmelee | Fourth | 8½ out |
| » Lost to Giants (50-29), 11-1 | Polo Grounds V (2-4) | 39-35 | |
| » Starters: Ralph Birkofer vs Carl Hubbell | Fourth | 8½ out |
| Friday, July 13 |
| » Lost to Giants (51-29), 7-6 | Polo Grounds V (2-5) | 39-36 | Lost 2 |
| » Starters: Red Lucas vs Freddie Fitzsimmons | Fourth | 9½ out |
| Saturday, July 14 |
| » Defeated Braves (40-41), 4-3 | Braves Field (2-1) | 40-36 | |
| » Starters: Bill Swift vs Bob Brown | Fourth | 8½ out |
| Sunday, July 15 |
| » Defeated Braves (40-42), 5-0 | Braves Field (3-1) | 41-36 | Won 2 |
| » Starters: Waite Hoyt vs Flint Rhem | Fourth | 9 out |
| » Lost to Braves (41-42), 4-0 | Braves Field (3-2) | 41-37 | |
| » Starters: Heinie Meine vs Ed Brandt | Fourth | 9 out |
| Wednesday, July 18 |
| » Lost to Braves (42-42), 3-1 | Braves Field (3-3) | 41-38 | Lost 2 |
| » Starters: Larry French vs Fred Frankhouse | Fourth | 10½ out |
| » Lost to Braves (43-42), 7-5 | Braves Field (3-4) | 41-39 | Lost 3 |
| » Starters: Ed Holley vs Huck Betts | Fourth | 10½ out |
| Thursday, July 19 |
| » Lost to Dodgers (36-50), 4-2 | Ebbets Field (1-3) | 41-40 | Lost 4 |
| » Starters: Bill Swift vs Tom Zachary | Fourth | 11½ out |
| Saturday, July 21 |
| » Lost to Dodgers (37-50), 8-7 | Ebbets Field (1-4) | 41-41 | Lost 5 |
| » Starters: Waite Hoyt vs Van Mungo | Fourth | 12 out |
| Sunday, July 22 |
| » Lost to Dodgers (38-50), 3-2 | Ebbets Field (1-5) | 41-42 | Lost 6 |
| » Starters: Larry French vs Johnny Babich | Fourth | 13½ out |
| » Lost to Dodgers (39-50), 13-10 | Ebbets Field (1-6) | 41-43 | Lost 7 |
| » Starters: Ed Holley vs Ray Benge | Fourth | 13½ out |
| Monday, July 23 |
| » Lost to Phillies (38-52), 3-2 | Baker Bowl (2-2) | 41-44 | Lost 8 |
| » Starters: Bill Swift vs Euel Moore | Fourth | 13½ out |
| Tuesday, July 24 |
| » Lost to Phillies (39-52), 9-0 | Baker Bowl (2-3) | 41-45 | Lost 9 |
| » Starters: Red Lucas vs Syl Johnson | Fifth | 14½ out |
| Thursday, July 26 |
| » Defeated Phillies (39-53), 3-0 | Baker Bowl (3-3) | 42-45 | |
| » Starters: Larry French vs Phil Collins | Fifth | 14½ out |
| » Lost to Phillies (40-53), 5-3 | Baker Bowl (3-4) | 42-46 | |
| » Starters: Hal Smith vs Curt Davis | Fifth | 14½ out |
| Friday, July 27 |
| » Defeated Cardinals (54-38), 4-0 | Forbes Field (27-17) | 43-46 | |
| » Starters: Jesse Haines vs Bill Swift | Fifth | 14½ out |
| Saturday, July 28 |
| » Defeated Cardinals (54-39), 5-4 | Forbes Field (28-17) | 44-46 | Won 2 |
| » Starters: Dizzy Dean vs Waite Hoyt | Fourth | 14 out |
| Sunday, July 29 |
| » Lost to Cardinals (55-39), 9-5 | Forbes Field (28-18) | 44-47 | |
| » Starters: Tex Carleton vs Ed Holley | Fifth | 14½ out |
| Tuesday, July 31 |
| » Lost to Reds (33-61), 6-4 | Crosley Field (4-2) | 44-48 | Lost 2 |
| » Starters: Larry French vs Don Brennan | Fifth | 14 out |
| » Defeated Reds (33-62), 7-5 | Crosley Field (5-2) | 45-48 | |
| » Starters: Ralph Birkofer vs Allyn Stout | Fifth | 14 out |
| » Major-league debuts: Alex Kampouris (Reds) |
| Wednesday, August 1 |
| » Lost to Reds (34-62), 7-6 | Crosley Field (5-3) | 45-49 | |
| » Starters: Bill Swift vs Paul Derringer | Fifth | 15½ out |
| Thursday, August 2 |
| » Defeated Reds (34-63), 13-3 | Crosley Field (6-3) | 46-49 | |
| » Starters: Red Lucas vs Benny Frey | Fifth | 14½ out |
| Friday, August 3 |
| » Lost to Cardinals (57-41), 9-3 | Sportsman's Park III (2-4) | 46-50 | |
| » Starters: Waite Hoyt vs Dizzy Dean | Fifth | 15½ out |
| Saturday, August 4 |
| » Lost to Cardinals (58-41), 6-4 | Sportsman's Park III (2-5) | 46-51 | Lost 2 |
| » Starters: Larry French vs Tex Carleton | Fifth | 16 out |
| Sunday, August 5 |
| » Defeated Cardinals (58-42), 6-4 | Sportsman's Park III (3-5) | 47-51 | |
| » Starters: Bill Swift vs Paul Dean | Fifth | 15½ out |
| » Defeated Cardinals (58-43), 7-2 | Sportsman's Park III (4-5) | 48-51 | Won 2 |
| » Starters: Waite Hoyt vs Bill Hallahan | Fifth | 15½ out |
| Tuesday, August 7 |
| » Defeated Cubs (62-41), 4-1 | Forbes Field (29-18) | 49-51 | Won 3 |
| » Starters: Bill Lee vs Heinie Meine | Fifth | 15½ out |
| Wednesday, August 8 |
| » Lost to Cubs (63-41), 7-4 | Forbes Field (29-19) | 49-52 | |
| » Starters: Pat Malone vs Ed Holley | Fifth | 16 out |
| » Lost to Cubs (64-41), 14-3 | Forbes Field (29-20) | 49-53 | Lost 2 |
| » Starters: Guy Bush vs Bill Swift | Fifth | 16 out |
| Friday, August 10 |
| » Defeated Reds (36-69), 8-7 | Forbes Field (30-20) | 50-53 | |
| » Starters: Paul Derringer vs Waite Hoyt | Fifth | 16½ out |
| Saturday, August 11 |
| » Lost to Reds (37-69), 4-3 | Forbes Field (30-21) | 50-54 | |
| » Starters: Si Johnson vs Larry French | Fifth | 17 out |
| » Defeated Reds (37-70), 8-3 | Forbes Field (31-21) | 51-54 | |
| » Starters: Ted Kleinhans vs Red Lucas | Fifth | 17 out |
| Sunday, August 12 |
| » Defeated Reds (37-71), 9-6 | Forbes Field (32-21) | 52-54 | Won 2 |
| » Starters: Allyn Stout vs Heinie Meine | Fifth | 16½ out |
| Tuesday, August 14 |
| » Defeated Giants (70-40), 3-2 | Forbes Field (33-21) | 53-54 | Won 3 |
| » Starters: Carl Hubbell vs Burleigh Grimes | Fifth | 15½ out |
| Wednesday, August 15 |
| » Lost to Giants (71-40), 5-4 | Forbes Field (33-22) | 53-55 | |
| » Starters: Freddie Fitzsimmons vs Larry French | Fifth | 15½ out |
| » Defeated Giants (71-41), 4-3 | Forbes Field (34-22) | 54-55 | |
| » Starters: Hal Schumacher vs Waite Hoyt | Fifth | 15½ out |
| Friday, August 17 |
| » Lost to Giants (72-41), 7-3 | Forbes Field (34-23) | 54-56 | |
| » Starters: Roy Parmelee vs Red Lucas | Fifth | 17½ out |
| » Lost to Giants (73-41), 8-3 | Forbes Field (34-24) | 54-57 | Lost 2 |
| » Starters: Carl Hubbell vs Heinie Meine | Fifth | 17½ out |
| Saturday, August 18 |
| » Lost to Dodgers (48-63), 6-2 | Forbes Field (34-25) | 54-58 | Lost 3 |
| » Starters: Van Mungo vs Burleigh Grimes | Fifth | 18½ out |
| Future Pirate Roberto Clemente is born in Carolina, P.R. |
| Sunday, August 19 |
| » Lost to Dodgers (49-63), 2-1 | Forbes Field (34-26) | 54-59 | Lost 4 |
| » Starters: Ray Benge vs Waite Hoyt | Fifth | 19½ out |
| Monday, August 20 |
| » Defeated Dodgers (49-64), 6-2 | Forbes Field (35-26) | 55-59 | |
| » Starters: Johnny Babich vs Bill Swift | Fifth | 19½ out |
| Tuesday, August 21 |
| » Lost to Dodgers (50-64), 9-5 | Forbes Field (35-27) | 55-60 | |
| » Starters: Van Mungo vs Larry French | Fifth | 19½ out |
| Thursday, August 23 |
| » Defeated Phillies (45-71), 6-5 | Forbes Field (36-27) | 56-60 | |
| » Starters: Syl Johnson vs Burleigh Grimes | Fifth | 19½ out |
| Saturday, August 25 |
| » Defeated Phillies (45-72), 4-1 | Forbes Field (37-27) | 57-60 | Won 2 |
| » Starters: Snipe Hansen vs Waite Hoyt | Fifth | 19½ out |
| » Lost to Phillies (46-72), 12-8 | Forbes Field (37-28) | 57-61 | |
| » Starters: Euel Moore vs Bill Swift | Fifth | 19½ out |
| Sunday, August 26 |
| » Lost to Braves (62-58), 8-5 | Forbes Field (37-29) | 57-62 | Lost 2 |
| » Starters: Fred Frankhouse vs Red Lucas | Fifth | 19½ out |
| Monday, August 27 |
| » Defeated Braves (62-59), 8-5 | Forbes Field (38-29) | 58-62 | |
| » Starters: Flint Rhem vs Larry French | Fifth | 18½ out |
| Tuesday, August 28 |
| » Lost to Braves (63-59), 5-3 | Forbes Field (38-30) | 58-63 | |
| » Starters: Ed Brandt vs Burleigh Grimes | Fifth | 19½ out |
| Wednesday, August 29 |
| » Lost to Braves (64-59), 11-0 | Forbes Field (38-31) | 58-64 | Lost 2 |
| » Starters: Huck Betts vs Larry French | Fifth | 19 out |
| » Defeated Braves (64-60), 7-0 | Forbes Field (39-31) | 59-64 | |
| » Starters: Leo Mangum vs Waite Hoyt | Fifth | 19 out |
| Sunday, September 2 |
| » Lost to Reds (46-79), 2-1 | Crosley Field (6-4) | 59-65 | |
| » Starters: Ralph Birkofer vs Paul Derringer | Fifth | 19½ out |
| » Defeated Reds (46-80), 11-4 | Crosley Field (7-4) | 60-65 | |
| » Starters: Red Lucas vs Tony Freitas | Fifth | 19½ out |
| » Major-league debuts: Lee Grissom (Reds) |
| Monday, September 3 |
| » Defeated Cardinals (75-52), 12-2 | Forbes Field (40-31) | 61-65 | Won 2 |
| » Starters: Paul Dean vs Larry French | Fourth | 18½ out |
| » Defeated Cardinals (75-53), 6-5 | Forbes Field (41-31) | 62-65 | Won 3 |
| » Starters: Bill Walker vs Waite Hoyt | Fourth | 18½ out |
| Wednesday, September 5 |
| » Defeated Braves (68-62), 8-2 | Braves Field (4-4) | 63-65 | Won 4 |
| » Starters: Bill Swift vs Ben Cantwell | Fifth | 19½ out |
| Thursday, September 6 |
| » Defeated Braves (68-63), 4-1 | Braves Field (5-4) | 64-65 | Won 5 |
| » Starters: Ralph Birkofer vs Ed Brandt | Fifth | 19½ out |
| Sunday, September 9 |
| » Defeated Giants (85-49), 1-0 | Polo Grounds V (3-5) | 65-65 | Won 6 |
| » Starters: Larry French vs Freddie Fitzsimmons | Fifth | 18 out |
| Monday, September 10 |
| » Defeated Giants (85-50), 9-7 | Polo Grounds V (4-5) | 66-65 | Won 7 |
| » Starters: Waite Hoyt vs Hal Schumacher | Fifth | 17 out |
| Tuesday, September 11 |
| » Lost to Giants (86-50), 3-1 | Polo Grounds V (4-6) | 66-66 | |
| » Starters: Bill Swift vs Roy Parmelee | Fifth | 18 out |
| Wednesday, September 12 |
| » Lost to Giants (87-50), 3-2 | Polo Grounds V (4-7) | 66-67 | Lost 2 |
| » Starters: Ralph Birkofer vs Carl Hubbell | Fifth | 19 out |
| Saturday, September 15 |
| » Defeated Phillies (50-84), 6-1 | Baker Bowl (4-4) | 67-67 | |
| » Starters: Larry French vs Curt Davis | Fifth | 18 out |
| » Defeated Phillies (50-85), 4-1 | Baker Bowl (5-4) | 68-67 | Won 2 |
| » Starters: Waite Hoyt vs Euel Moore | Fifth | 18 out |
| Tuesday, September 18 |
| » Lost to Dodgers (62-77), 9-4 | Ebbets Field (1-7) | 68-68 | |
| » Starters: Bill Swift vs Dutch Leonard | Fifth | 17½ out |
| Wednesday, September 19 |
| » Lost to Dodgers (63-77), 4-1 | Ebbets Field (1-8) | 68-69 | Lost 2 |
| » Starters: Ralph Birkofer vs Van Mungo | Fifth | 19 out |
| » Lost to Dodgers (64-77), 8-4 | Ebbets Field (1-9) | 68-70 | Lost 3 |
| » Starters: Larry French vs Johnny Babich | Fifth | 19 out |
| Thursday, September 20 |
| » Lost to Dodgers (65-77), 2-1 | Ebbets Field (1-10) | 68-71 | Lost 4 |
| » Starters: Waite Hoyt vs Les Munns | Fifth | 20 out |
| Friday, September 21 |
| » Defeated Reds (51-92), 9-3 | Forbes Field (42-31) | 69-71 | |
| » Starters: Tony Freitas vs Red Lucas | Fifth | 19½ out |
| » Defeated Reds (51-93), 16-3 | Forbes Field (43-31) | 70-71 | Won 2 |
| » Starters: Si Johnson vs Bill Swift | Fifth | 19½ out |
| Saturday, September 22 |
| » Defeated Cubs (81-62), 2-1 | Forbes Field (44-31) | 71-71 | Won 3 |
| » Starters: Bill Lee vs Ralph Birkofer | Fourth | 18 out |
| » Defeated Cubs (81-63), 11-7 | Forbes Field (45-31) | 72-71 | Won 4 |
| » Starters: Bud Tinning vs Bill Harris | Fourth | 18 out |
| Sunday, September 23 |
| » Lost to Cubs (82-63), 3-2 | Forbes Field (45-32) | 72-72 | |
| » Starters: Jim Weaver vs Cy Blanton | Fifth | 18½ out |
| » Major-league debuts: Cy Blanton (Pirates) |
| Tuesday, September 25 |
| » Lost to Cardinals (91-57), 3-2 | Sportsman's Park III (4-6) | 72-73 | Lost 2 |
| » Starters: Larry French vs Dizzy Dean | Fifth | 18½ out |
| Wednesday, September 26 |
| » Defeated Cardinals (91-58), 3-0 | Sportsman's Park III (5-6) | 73-73 | |
| » Starters: Waite Hoyt vs Paul Dean | Fifth | 17½ out |
| Thursday, September 27 |
| » Lost to Cubs (84-64), 4-2 | Wrigley Field (1-7) | 73-74 | |
| » Starters: Ralph Birkofer vs Bill Lee | Fifth | 18 out |
| Saturday, September 29 |
| » Defeated Cubs (84-65), 6-3 | Wrigley Field (2-7) | 74-74 | |
| » Starters: Red Lucas vs Jim Weaver | Fifth | 18 out |
| Sunday, September 30 |
| » Lost to Cubs (85-65), 8-2 | Wrigley Field (2-8) | 74-75 | |
| » Starters: Larry French vs Lon Warneke | Fifth | 19½ out |
| » Lost to Cubs (86-65), 7-5 | Wrigley Field (2-9) | 74-76 | Lost 2 |
| » Starters: Steamboat Struss vs Charlie Wiedemeyer | Fifth | 19½ out |
| Monday, October 1 |
| Future Pirate Chuck Hiller is born in Johnsburg, IL. |
| Sunday, October 14 |
| Future Pirate Tom Cheney is born in Morgan, GA. |
| Thursday, November 1 |
| Future Pirate Howie Goss is born in Wewoka, OK. |
| Sunday, December 2 |
| Future Pirate Andre Rodgers is born in Nassau, Bahamas. |
Game information provided by Retrosheet (www.retrosheet.org) |