| Friday, January 6 |
| Future Pirate Lee Walls is born in San Diego, CA. |
| Friday, February 17 |
| Former Pirate Harry Smith dies in Salem, NJ at the age of 59. |
| Tuesday, March 28 |
| Former Pirate Tom McCarthy dies in Mishawaka, IN at the age of 49. |
| Friday, April 7 |
| Future Pirate Bobby Del Greco is born in Pittsburgh, PA. |
| Wednesday, April 12 |
| » Defeated Reds (0-1), 4-1 | Crosley Field (1-0) | 1-0 | |
| » Starters: Bill Swift vs Si Johnson | First | -- |
| Thursday, April 13 |
| » Defeated Reds (0-2), 5-2 | Crosley Field (2-0) | 2-0 | Won 2 |
| » Starters: Larry French vs Eppa Rixey | First | -- |
| Saturday, April 15 |
| » Defeated Cubs (1-2), 6-4 | Wrigley Field (1-0) | 3-0 | Won 3 |
| » Starters: Heinie Meine vs Charlie Root | First | -- |
| » Major-league debuts: Roy Henshaw (Cubs) |
| Tuesday, April 18 |
| » Lost to Cubs (2-2), 3-1 | Wrigley Field (1-1) | 3-1 | |
| » Starters: Steve Swetonic vs Lon Warneke | Second | 1½ out |
| Friday, April 21 |
| » Defeated Reds (1-3), 5-1 | Forbes Field (1-0) | 4-1 | |
| » Starters: Si Johnson vs Bill Swift | First | -- |
| Saturday, April 22 |
| » Defeated Reds (1-4), 6-5 | Forbes Field (2-0) | 5-1 | Won 2 |
| » Starters: Eppa Rixey vs Larry French | First | -- |
| Sunday, April 23 |
| » Defeated Cardinals (3-4), 4-0 | Sportsman's Park III (1-0) | 6-1 | Won 3 |
| » Starters: Heinie Meine vs Dazzy Vance | First | -- |
| » Defeated Cardinals (3-5), 6-2 | Sportsman's Park III (2-0) | 7-1 | Won 4 |
| » Starters: Waite Hoyt vs Bill Walker | First | -- |
| Tuesday, April 25 |
| » Lost to Cardinals (4-5), 10-3 | Sportsman's Park III (2-1) | 7-2 | |
| » Starters: Steve Swetonic vs Bill Hallahan | First | -- |
| » Major-league debuts: Ralph Birkofer and Pep Young (Pirates) |
| Thursday, April 27 |
| » Lost to Cubs (4-6), 3-2 | Forbes Field (2-1) | 7-3 | Lost 2 |
| » Starters: Guy Bush vs Bill Swift | Second | ½ out |
| Friday, April 28 |
| » Defeated Cardinals (5-7), 2-0 | Forbes Field (3-1) | 8-3 | |
| » Starters: Jim Mooney vs Larry French | Second | 1 out |
| Saturday, April 29 |
| » Defeated Cardinals (5-8), 6-4 | Forbes Field (4-1) | 9-3 | Won 2 |
| » Starters: Bill Walker vs Heinie Meine | Second | 1 out |
| Sunday, April 30 |
| » Defeated Reds (5-7), 8-1 | Crosley Field (3-0) | 10-3 | Won 3 |
| » Starters: Waite Hoyt vs Si Johnson | First | -- |
| Monday, May 1 |
| » Defeated Phillies (5-11), 10-0 | Baker Bowl (1-0) | 11-3 | Won 4 |
| » Starters: Bill Swift vs Phil Collins | First | -- |
| Tuesday, May 2 |
| » Lost to Phillies (6-11), 6-5 | Baker Bowl (1-1) | 11-4 | |
| » Starters: Larry French vs Flint Rhem | First | -- |
| Thursday, May 4 |
| » Defeated Dodgers (7-8), 2-1 | Ebbets Field (1-0) | 12-4 | |
| » Starters: Heinie Meine vs Watty Clark | First | -- |
| Friday, May 5 |
| » Defeated Dodgers (7-9), 4-2 | Ebbets Field (2-0) | 13-4 | Won 2 |
| » Starters: Bill Swift vs Van Mungo | First | -- |
| Monday, May 8 |
| » Defeated Braves (9-13), 3-0 | Braves Field (1-0) | 14-4 | Won 3 |
| » Starters: Larry French vs Tom Zachary | First | -- |
| Tuesday, May 9 |
| » Lost to Braves (10-13), 7-0 | Braves Field (1-1) | 14-5 | |
| » Starters: Waite Hoyt vs Fred Frankhouse | First | -- |
| Thursday, May 11 |
| » Defeated Giants (12-8), 7-6 | Polo Grounds V (1-0) | 15-5 | |
| » Starters: Heinie Meine vs Carl Hubbell | First | -- |
| Friday, May 12 |
| » Lost to Giants (13-8), 11-3 | Polo Grounds V (1-1) | 15-6 | |
| » Starters: Bill Swift vs Hal Schumacher | First | -- |
| Saturday, May 13 |
| » Lost to Giants (14-8), 2-1 | Polo Grounds V (1-2) | 15-7 | Lost 2 |
| » Starters: Larry French vs Freddie Fitzsimmons | First | -- |
| Sunday, May 14 |
| » Lost to Giants (15-8), 5-1 | Polo Grounds V (1-3) | 15-8 | Lost 3 |
| » Starters: Waite Hoyt vs Roy Parmelee | First | -- |
| Monday, May 15 |
| » Defeated Phillies (8-18), 5-4 | Forbes Field (5-1) | 16-8 | |
| » Starters: Jumbo Elliott vs Heinie Meine | First | -- |
| Tuesday, May 16 |
| » Defeated Phillies (8-19), 8-4 | Forbes Field (6-1) | 17-8 | Won 2 |
| » Starters: Cy Moore vs Bill Swift | First | -- |
| Wednesday, May 17 |
| » Defeated Phillies (8-20), 6-4 | Forbes Field (7-1) | 18-8 | Won 3 |
| » Starters: Jack Berly vs Larry French | First | -- |
| Thursday, May 18 |
| » Defeated Phillies (8-21), 6-2 | Forbes Field (8-1) | 19-8 | Won 4 |
| » Starters: Flint Rhem vs Steve Swetonic | First | -- |
| Friday, May 19 |
| » Lost to Braves (15-17), 5-3 | Forbes Field (8-2) | 19-9 | |
| » Starters: Tom Zachary vs Waite Hoyt | First | -- |
| Saturday, May 20 |
| » Lost to Braves (16-17), 4-2 | Forbes Field (8-3) | 19-10 | Lost 2 |
| » Starters: Ben Cantwell vs Heinie Meine | First | -- |
| » Defeated Braves (16-18), 7-6 | Forbes Field (9-3) | 20-10 | |
| » Starters: Huck Betts vs Bill Swift | First | -- |
| Monday, May 22 |
| » Lost to Dodgers (14-14), 3-0 | Forbes Field (9-4) | 20-11 | |
| » Starters: Watty Clark vs Larry French | First | -- |
| Tuesday, May 23 |
| » Defeated Dodgers (14-15), 3-0 | Forbes Field (10-4) | 21-11 | |
| » Starters: Ownie Carroll vs Steve Swetonic | First | -- |
| Wednesday, May 24 |
| » Defeated Dodgers (14-16), 6-5 | Forbes Field (11-4) | 22-11 | Won 2 |
| » Starters: Joe Shaute vs Bill Swift | First | -- |
| Friday, May 26 |
| » Lost to Giants (20-14), 6-5 | Forbes Field (11-5) | 22-12 | |
| » Starters: Freddie Fitzsimmons vs Heinie Meine | First | -- |
| Sunday, May 28 |
| » Defeated Reds (19-19), 4-2 | Crosley Field (4-0) | 23-12 | |
| » Starters: Larry French vs Red Lucas | First | -- |
| » Lost to Reds (20-19), 4-0 | Crosley Field (4-1) | 23-13 | |
| » Starters: Steve Swetonic vs Eppa Rixey | First | -- |
| Tuesday, May 30 |
| » Defeated Cubs (20-20), 2-1 | Forbes Field (12-5) | 24-13 | |
| » Starters: Burleigh Grimes vs Bill Swift | First | -- |
| » Lost to Cubs (21-20), 6-2 | Forbes Field (12-6) | 24-14 | |
| » Starters: Pat Malone vs Heinie Meine | First | -- |
| Wednesday, May 31 |
| » Lost to Cubs (22-20), 5-1 | Forbes Field (12-7) | 24-15 | Lost 2 |
| » Starters: Charlie Root vs Steve Swetonic | First | -- |
| Saturday, June 3 |
| » Lost to Reds (21-21), 9-5 | Forbes Field (12-8) | 24-16 | Lost 3 |
| » Starters: Eppa Rixey vs Larry French | Second | 1 out |
| » Lost to Reds (22-21), 5-4 | Forbes Field (12-9) | 24-17 | Lost 4 |
| » Starters: Ray Kolp vs Bill Swift | Second | 1 out |
| Sunday, June 4 |
| » Defeated Cubs (23-22), 9-3 | Wrigley Field (2-1) | 25-17 | |
| » Starters: Hal Smith vs Burleigh Grimes | Third | 1 out |
| » Lost to Cubs (24-22), 9-2 | Wrigley Field (2-2) | 25-18 | |
| » Starters: Heinie Meine vs Pat Malone | Third | 1 out |
| Tuesday, June 6 |
| » Lost to Cubs (25-22), 5-3 | Wrigley Field (2-3) | 25-19 | Lost 2 |
| » Starters: Leon Chagnon vs Charlie Root | Third | 2 out |
| Wednesday, June 7 |
| » Lost to Cubs (26-22), 7-2 | Wrigley Field (2-4) | 25-20 | Lost 3 |
| » Starters: Bill Swift vs Guy Bush | Third | 2½ out |
| Thursday, June 8 |
| » Lost to Reds (24-23), 8-2 | Forbes Field (12-10) | 25-21 | Lost 4 |
| » Starters: Eppa Rixey vs Larry French | Third | 3½ out |
| Friday, June 9 |
| » Defeated Reds (24-24), 2-0 | Forbes Field (13-10) | 26-21 | |
| » Starters: Paul Derringer vs Steve Swetonic | Third | 3½ out |
| Saturday, June 10 |
| » Defeated Reds (24-25), 4-3 | Forbes Field (14-10) | 27-21 | Won 2 |
| » Starters: Ray Kolp vs Bill Swift | Third | 3 out |
| Sunday, June 11 |
| » Defeated Cardinals (30-20), 11-7 | Sportsman's Park III (3-1) | 28-21 | Won 3 |
| » Starters: Heinie Meine vs Bill Hallahan | Third | 1½ out |
| » Defeated Cardinals (30-21), 3-0 | Sportsman's Park III (4-1) | 29-21 | Won 4 |
| » Starters: Larry French vs Bill Walker | Third | 1½ out |
| Tuesday, June 13 |
| » Lost to Cardinals (31-21), 4-3 | Sportsman's Park III (4-2) | 29-22 | |
| » Starters: Steve Swetonic vs Dizzy Dean | Third | 2½ out |
| Wednesday, June 14 |
| » Lost to Cardinals (32-21), 3-2 | Sportsman's Park III (4-3) | 29-23 | Lost 2 |
| » Starters: Heinie Meine vs Bill Hallahan | Third | 3½ out |
| Thursday, June 15 |
| » Lost to Cubs (30-27), 5-0 | Wrigley Field (2-5) | 29-24 | Lost 3 |
| » Starters: Hal Smith vs Bud Tinning | Third | 3½ out |
| Friday, June 16 |
| » Lost to Cubs (31-27), 9-1 | Wrigley Field (2-6) | 29-25 | Lost 4 |
| » Starters: Bill Swift vs Guy Bush | Third | 3½ out |
| Saturday, June 17 |
| » Defeated Cubs (31-28), 4-3 | Forbes Field (15-10) | 30-25 | |
| » Starters: Pat Malone vs Steve Swetonic | Third | 3½ out |
| Sunday, June 18 |
| » Defeated Braves (25-32), 5-3 | Braves Field (2-1) | 31-25 | Won 2 |
| » Starters: Heinie Meine vs Ed Brandt | Third | 3 out |
| » Defeated Braves (25-33), 4-3 | Braves Field (3-1) | 32-25 | Won 3 |
| » Starters: Larry French vs Huck Betts | Third | 3 out |
| Tuesday, June 20 |
| » Defeated Braves (25-34), 6-2 | Braves Field (4-1) | 33-25 | Won 4 |
| » Starters: Bill Swift vs Tom Zachary | Third | 2½ out |
| Wednesday, June 21 |
| » Lost to Braves (26-34), 6-5 | Braves Field (4-2) | 33-26 | |
| » Starters: Hal Smith vs Ben Cantwell | Third | 4 out |
| » Lost to Braves (27-34), 5-3 | Braves Field (4-3) | 33-27 | Lost 2 |
| » Starters: Steve Swetonic vs Fred Frankhouse | Third | 4 out |
| Thursday, June 22 |
| » Lost to Dodgers (26-31), 9-0 | Ebbets Field (2-1) | 33-28 | Lost 3 |
| » Starters: Heinie Meine vs Ray Benge | Third | 5 out |
| Friday, June 23 |
| » Lost to Dodgers (27-31), 5-4 | Ebbets Field (2-2) | 33-29 | Lost 4 |
| » Starters: Larry French vs Ownie Carroll | Third | 5 out |
| Saturday, June 24 |
| » Defeated Dodgers (27-32), 15-3 | Ebbets Field (3-2) | 34-29 | |
| » Starters: Bill Swift vs Sloppy Thurston | Third | 5 out |
| Sunday, June 25 |
| » Defeated Dodgers (27-33), 5-2 | Ebbets Field (4-2) | 35-29 | Won 2 |
| » Starters: Leon Chagnon vs Van Mungo | Third | 6 out |
| » Lost to Dodgers (28-33), 9-1 | Ebbets Field (4-3) | 35-30 | |
| » Starters: Waite Hoyt vs Boom-Boom Beck | Third | 6 out |
| Wednesday, June 28 |
| » Defeated Giants (39-23), 5-2 | Polo Grounds V (2-3) | 36-30 | |
| » Starters: Steve Swetonic vs Carl Hubbell | Third | 6 out |
| » Lost to Giants (40-23), 7-4 | Polo Grounds V (2-4) | 36-31 | |
| » Starters: Larry French vs Roy Parmelee | Third | 6 out |
| Thursday, June 29 |
| » Lost to Phillies (27-42), 6-4 | Baker Bowl (1-2) | 36-32 | Lost 2 |
| » Starters: Heinie Meine vs Jumbo Elliott | Third | 6 out |
| Friday, June 30 |
| » Lost to Phillies (28-42), 5-4 | Baker Bowl (1-3) | 36-33 | Lost 3 |
| » Starters: Bill Swift vs Cy Moore | Third | 6 out |
| Future Pirate Dave Roberts is born in Panama City, Panama. |
| Saturday, July 1 |
| » Lost to Phillies (29-42), 13-8 | Baker Bowl (1-4) | 36-34 | Lost 4 |
| » Starters: Leon Chagnon vs Snipe Hansen | Third | 6½ out |
| » Defeated Phillies (29-43), 4-3 | Baker Bowl (2-4) | 37-34 | |
| » Starters: Hal Smith vs Phil Collins | Third | 6½ out |
| Tuesday, July 4 |
| » Lost to Cardinals (40-32), 5-1 | Forbes Field (15-11) | 37-35 | |
| » Starters: Bill Hallahan vs Steve Swetonic | Third | 7 out |
| » Defeated Cardinals (40-33), 4-2 | Forbes Field (16-11) | 38-35 | |
| » Starters: Jim Mooney vs Larry French | Third | 7 out |
| Wednesday, July 5 |
| » Defeated Cardinals (40-34), 7-6 | Forbes Field (17-11) | 39-35 | Won 2 |
| » Starters: Bill Walker vs Heinie Meine | Third | 6½ out |
| Saturday, July 8 |
| » Lost to Phillies (32-43), 8-7 | Forbes Field (17-12) | 39-36 | |
| » Starters: Jumbo Elliott vs Bill Swift | Third | 5½ out |
| » Defeated Phillies (32-44), 3-0 | Forbes Field (18-12) | 40-36 | |
| » Starters: John Jackson vs Hal Smith | Third | 5½ out |
| Monday, July 10 |
| » Defeated Phillies (32-45), 3-2 | Forbes Field (19-12) | 41-36 | Won 2 |
| » Starters: Ed Holley vs Larry French | Third | 4 out |
| Tuesday, July 11 |
| » Lost to Braves (41-39), 5-3 | Forbes Field (19-13) | 41-37 | |
| » Starters: Tom Zachary vs Steve Swetonic | Fourth | 4 out |
| Wednesday, July 12 |
| » Defeated Braves (41-40), 9-8 | Forbes Field (20-13) | 42-37 | |
| » Starters: Ed Brandt vs Heinie Meine | Fourth | 4 out |
| Thursday, July 13 |
| » Defeated Braves (41-41), 8-3 | Forbes Field (21-13) | 43-37 | Won 2 |
| » Starters: Ben Cantwell vs Hal Smith | Third | 4 out |
| Friday, July 14 |
| » Lost to Braves (42-41), 4-3 | Forbes Field (21-14) | 43-38 | |
| » Starters: Fred Frankhouse vs Larry French | Third | 5 out |
| Monday, July 17 |
| » Defeated Dodgers (36-44), 14-2 | Forbes Field (22-14) | 44-38 | |
| » Starters: Ownie Carroll vs Bill Swift | Third | 4 out |
| » Defeated Dodgers (36-45), 7-0 | Forbes Field (23-14) | 45-38 | Won 2 |
| » Starters: Ray Benge vs Steve Swetonic | Third | 4 out |
| Tuesday, July 18 |
| » Defeated Dodgers (36-46), 11-8 | Forbes Field (24-14) | 46-38 | Won 3 |
| » Starters: Van Mungo vs Leon Chagnon | Third | 4 out |
| Wednesday, July 19 |
| » Defeated Giants (49-34), 4-1 | Forbes Field (25-14) | 47-38 | Won 4 |
| » Starters: Freddie Fitzsimmons vs Larry French | Third | 4 out |
| » Lost to Giants (50-34), 7-3 | Forbes Field (25-15) | 47-39 | |
| » Starters: Watty Clark vs Hal Smith | Third | 4 out |
| Thursday, July 20 |
| » Defeated Giants (50-35), 6-5 | Forbes Field (26-15) | 48-39 | |
| » Starters: Roy Parmelee vs Bill Swift | Third | 3 out |
| Friday, July 21 |
| » Lost to Giants (51-35), 6-5 | Forbes Field (26-16) | 48-40 | |
| » Starters: Hal Schumacher vs Steve Swetonic | Third | 4 out |
| Saturday, July 22 |
| » Lost to Giants (52-35), 1-0 | Forbes Field (26-17) | 48-41 | Lost 2 |
| » Starters: Carl Hubbell vs Larry French | Third | 4 out |
| » Defeated Giants (52-36), 7-2 | Forbes Field (27-17) | 49-41 | |
| » Starters: Roy Parmelee vs Heinie Meine | Third | 4 out |
| Sunday, July 23 |
| » Lost to Reds (40-52), 6-1 | Crosley Field (4-2) | 49-42 | |
| » Starters: Bill Swift vs Red Lucas | Third | 5½ out |
| » Lost to Reds (41-52), 6-4 | Crosley Field (4-3) | 49-43 | Lost 2 |
| » Starters: Leon Chagnon vs Eppa Rixey | Third | 5½ out |
| Tuesday, July 25 |
| » Defeated Cubs (53-41), 4-3 | Forbes Field (28-17) | 50-43 | |
| » Starters: Lon Warneke vs Steve Swetonic | Third | 4½ out |
| » Defeated Cubs (53-42), 4-1 | Forbes Field (29-17) | 51-43 | Won 2 |
| » Starters: Bud Tinning vs Hal Smith | Third | 4½ out |
| Thursday, July 27 |
| » Defeated Cubs (53-43), 2-0 | Forbes Field (30-17) | 52-43 | Won 3 |
| » Starters: Charlie Root vs Larry French | Third | 5½ out |
| Saturday, July 29 |
| » Defeated Reds (41-56), 9-8 | Forbes Field (31-17) | 53-43 | Won 4 |
| » Starters: Red Lucas vs Heinie Meine | Second | 5 out |
| » Defeated Reds (41-57), 6-4 | Forbes Field (32-17) | 54-43 | Won 5 |
| » Starters: Eppa Rixey vs Bill Swift | Second | 5 out |
| Sunday, July 30 |
| » Defeated Reds (41-58), 5-4 | Crosley Field (5-3) | 55-43 | Won 6 |
| » Starters: Larry French vs Paul Derringer | Second | 3½ out |
| » Defeated Reds (41-59), 8-6 | Crosley Field (6-3) | 56-43 | Won 7 |
| » Starters: Hal Smith vs Ray Kolp | Second | 3½ out |
| Tuesday, August 1 |
| » Defeated Cardinals (52-46), 9-3 | Forbes Field (33-17) | 57-43 | Won 8 |
| » Starters: Bill Walker vs Steve Swetonic | Second | 2½ out |
| Wednesday, August 2 |
| » Lost to Cardinals (53-46), 4-3 | Forbes Field (33-18) | 57-44 | |
| » Starters: Tex Carleton vs Heinie Meine | Second | 3 out |
| Thursday, August 3 |
| » Lost to Cardinals (54-46), 4-1 | Forbes Field (33-19) | 57-45 | Lost 2 |
| » Starters: Dizzy Dean vs Bill Swift | Second | 3½ out |
| Friday, August 4 |
| » Defeated Cardinals (54-47), 5-4 | Forbes Field (34-19) | 58-45 | |
| » Starters: Burleigh Grimes vs Larry French | Second | 3½ out |
| Saturday, August 5 |
| » Defeated Cubs (56-47), 6-2 | Wrigley Field (3-6) | 59-45 | Won 2 |
| » Starters: Hal Smith vs Lon Warneke | Second | 3 out |
| Sunday, August 6 |
| » Lost to Cubs (57-47), 6-0 | Wrigley Field (3-7) | 59-46 | |
| » Starters: Steve Swetonic vs Pat Malone | Second | 3½ out |
| Friday, August 11 |
| » Lost to Cubs (60-47), 8-2 | Forbes Field (34-20) | 59-47 | Lost 2 |
| » Starters: Guy Bush vs Larry French | Third | 4 out |
| Saturday, August 12 |
| » Defeated Cubs (60-48), 5-2 | Forbes Field (35-20) | 60-47 | |
| » Starters: Pat Malone vs Hal Smith | Second | 3½ out |
| » Defeated Cubs (60-49), 3-2 | Forbes Field (36-20) | 61-47 | Won 2 |
| » Starters: Charlie Root vs Heinie Meine | Second | 3½ out |
| Sunday, August 13 |
| » Lost to Cubs (61-49), 3-2 | Wrigley Field (3-8) | 61-48 | |
| » Starters: Bill Swift vs Lon Warneke | Second | 3½ out |
| Wednesday, August 16 |
| » Lost to Dodgers (44-62), 2-1 | Ebbets Field (4-4) | 61-49 | Lost 2 |
| » Starters: Larry French vs Van Mungo | Second | 4 out |
| » Defeated Dodgers (44-63), 11-7 | Ebbets Field (5-4) | 62-49 | |
| » Starters: Steve Swetonic vs Ownie Carroll | Second | 4 out |
| Saturday, August 19 |
| » Lost to Braves (61-53), 5-2 | Braves Field (4-4) | 62-50 | |
| » Starters: Heinie Meine vs Ed Brandt | Second | 6 out |
| Sunday, August 20 |
| » Lost to Braves (62-53), 5-4 | Braves Field (4-5) | 62-51 | Lost 2 |
| » Starters: Larry French vs Tom Zachary | Second | 7½ out |
| » Lost to Braves (63-53), 8-1 | Braves Field (4-6) | 62-52 | Lost 3 |
| » Starters: Bill Swift vs Ben Cantwell | Second | 7½ out |
| Tuesday, August 22 |
| » Lost to Braves (64-53), 5-4 | Braves Field (4-7) | 62-53 | Lost 4 |
| » Starters: Hal Smith vs Fred Frankhouse | Fourth | 8 out |
| Friday, August 25 |
| » Lost to Giants (69-43), 8-5 | Polo Grounds V (2-5) | 62-54 | Lost 5 |
| » Starters: Larry French vs Freddie Fitzsimmons | Fifth | 10 out |
| » Lost to Giants (70-43), 6-2 | Polo Grounds V (2-6) | 62-55 | Lost 6 |
| » Starters: Heinie Meine vs Roy Parmelee | Fifth | 10 out |
| Saturday, August 26 |
| » Lost to Giants (71-43), 2-1 | Polo Grounds V (2-7) | 62-56 | Lost 7 |
| » Starters: Hal Smith vs Carl Hubbell | Fifth | 10 out |
| » Defeated Giants (71-44), 7-2 | Polo Grounds V (3-7) | 63-56 | |
| » Starters: Ralph Birkofer vs Watty Clark | Fifth | 10 out |
| Monday, August 28 |
| » Defeated Phillies (50-69), 9-5 | Baker Bowl (3-4) | 64-56 | Won 2 |
| » Starters: Bill Swift vs Jumbo Elliott | Fifth | 8 out |
| » Defeated Phillies (50-70), 9-1 | Baker Bowl (4-4) | 65-56 | Won 3 |
| » Starters: Larry French vs Ed Holley | Fifth | 8 out |
| Tuesday, August 29 |
| » Defeated Phillies (50-71), 4-1 | Baker Bowl (5-4) | 66-56 | Won 4 |
| » Starters: Heinie Meine vs Snipe Hansen | Fourth | 7½ out |
| Wednesday, August 30 |
| » Defeated Phillies (50-72), 5-1 | Baker Bowl (6-4) | 67-56 | Won 5 |
| » Starters: Ralph Birkofer vs Frank Ragland | Third | 7½ out |
| Thursday, August 31 |
| » Defeated Phillies (50-73), 13-11 | Baker Bowl (7-4) | 68-56 | Won 6 |
| » Starters: Hal Smith vs Cy Moore | Third | 6½ out |
| Friday, September 1 |
| » Defeated Cardinals (69-60), 2-1 | Forbes Field (37-20) | 69-56 | Won 7 |
| » Starters: Bill Hallahan vs Larry French | Second | 7 out |
| Saturday, September 2 |
| » Defeated Cardinals (69-61), 4-1 | Forbes Field (38-20) | 70-56 | Won 8 |
| » Starters: Bill Walker vs Heinie Meine | Second | 7 out |
| Sunday, September 3 |
| » Lost to Reds (50-79), 9-3 | Crosley Field (6-4) | 70-57 | |
| » Starters: Ralph Birkofer vs Red Lucas | Second | 8 out |
| Monday, September 4 |
| » Defeated Reds (50-80), 1-0 | Forbes Field (39-20) | 71-57 | |
| » Starters: Si Johnson vs Hal Smith | Second | 7½ out |
| Tuesday, September 5 |
| » Defeated Giants (77-49), 6-1 | Forbes Field (40-20) | 72-57 | Won 2 |
| » Starters: Carl Hubbell vs Larry French | Second | 6½ out |
| » Major-league debuts: Phil Weintraub (Giants) |
| Wednesday, September 6 |
| » Defeated Giants (77-50), 6-5 | Forbes Field (41-20) | 73-57 | Won 3 |
| » Starters: Freddie Fitzsimmons vs Steve Swetonic | Second | 6½ out |
| » Lost to Giants (78-50), 9-1 | Forbes Field (41-21) | 73-58 | |
| » Starters: Hal Schumacher vs Ralph Birkofer | Second | 6½ out |
| » Major-league debuts: Red Nonnenkamp (Pirates) |
| Thursday, September 7 |
| » Defeated Giants (78-51), 14-2 | Forbes Field (42-21) | 74-58 | |
| » Starters: Roy Parmelee vs Heinie Meine | Second | 5½ out |
| Friday, September 8 |
| » Lost to Giants (79-51), 2-1 | Forbes Field (42-22) | 74-59 | |
| » Starters: Carl Hubbell vs Hal Smith | Third | 6½ out |
| Saturday, September 9 |
| » Defeated Dodgers (54-76), 6-2 | Forbes Field (43-22) | 75-59 | |
| » Starters: Ray Benge vs Larry French | Second | 7 out |
| » Lost to Dodgers (55-76), 8-7 | Forbes Field (43-23) | 75-60 | |
| » Starters: Ownie Carroll vs Steve Swetonic | Second | 7 out |
| Sunday, September 10 |
| » Defeated Dodgers (55-77), 2-1 | Ebbets Field (6-4) | 76-60 | |
| » Starters: Bill Swift vs Boom-Boom Beck | Third | 8 out |
| » Lost to Dodgers (56-77), 3-2 | Ebbets Field (6-5) | 76-61 | |
| » Starters: Ralph Birkofer vs Van Mungo | Third | 8 out |
| Tuesday, September 12 |
| » Defeated Dodgers (56-78), 1-0 | Forbes Field (44-23) | 77-61 | |
| » Starters: Sloppy Thurston vs Heinie Meine | Second | 7½ out |
| » Defeated Dodgers (56-79), 2-0 | Forbes Field (45-23) | 78-61 | Won 2 |
| » Starters: Dutch Leonard vs Waite Hoyt | Second | 7½ out |
| Wednesday, September 13 |
| » Defeated Braves (72-65), 1-0 | Forbes Field (46-23) | 79-61 | Won 3 |
| » Starters: Ben Cantwell vs Larry French | Second | 6½ out |
| Friday, September 15 |
| » Lost to Braves (73-65), 10-1 | Forbes Field (46-24) | 79-62 | |
| » Starters: Ed Brandt vs Hal Smith | Second | 7½ out |
| Saturday, September 16 |
| » Lost to Braves (74-65), 6-4 | Forbes Field (46-25) | 79-63 | Lost 2 |
| » Starters: Huck Betts vs Bill Swift | Second | 8½ out |
| » Defeated Braves (74-66), 10-0 | Forbes Field (47-25) | 80-63 | |
| » Starters: Tom Zachary vs Ralph Birkofer | Second | 8½ out |
| Monday, September 18 |
| » Defeated Phillies (54-84), 2-1 | Forbes Field (48-25) | 81-63 | Won 2 |
| » Starters: Jumbo Elliott vs Heinie Meine | Second | 8½ out |
| » Lost to Phillies (55-84), 6-0 | Forbes Field (48-26) | 81-64 | |
| » Starters: Ed Holley vs Waite Hoyt | Second | 8½ out |
| Tuesday, September 19 |
| » Defeated Phillies (55-85), 2-1 | Forbes Field (49-26) | 82-64 | |
| » Starters: Reggie Grabowski vs Larry French | Second | 8 out |
| » Lost to Phillies (56-85), 3-2 | Forbes Field (49-27) | 82-65 | |
| » Starters: Phil Collins vs Hal Smith | Second | 8 out |
| Wednesday, September 20 |
| » Defeated Dodgers (59-84), 3-0 | Forbes Field (50-27) | 83-65 | |
| » Starters: Boom-Boom Beck vs Bill Swift | Second | 7½ out |
| Saturday, September 23 |
| » Defeated Cardinals (80-68), 9-3 | Sportsman's Park III (5-3) | 84-65 | Won 2 |
| » Starters: Ralph Birkofer vs Bill Hallahan | Second | 6 out |
| Sunday, September 24 |
| » Lost to Cardinals (81-68), 5-4 | Sportsman's Park III (5-4) | 84-66 | |
| » Starters: Larry French vs Tex Carleton | Second | 6 out |
| » Defeated Cardinals (81-69), 5-4 | Sportsman's Park III (6-4) | 85-66 | |
| » Starters: Heinie Meine vs Dizzy Dean | Second | 6 out |
| Former Pirate Mike Donlin dies in Hollywood, CA at the age of 56. |
| Monday, September 25 |
| » Lost to Cardinals (82-69), 6-3 | Sportsman's Park III (6-5) | 85-67 | |
| » Starters: Hal Smith vs Bill Walker | Second | 6½ out |
| Sunday, October 1 |
| » Defeated Reds (58-93), 7-5 | Crosley Field (7-4) | 86-67 | |
| » Starters: Larry French vs Red Lucas | Second | 5 out |
| » Defeated Reds (58-94), 6-5 | Crosley Field (8-4) | 87-67 | Won 2 |
| » Starters: Ralph Birkofer vs Si Johnson | Second | 5 out |
| Friday, October 20 |
| Former Pirate Lou Gertenrich dies in Chicago, IL at the age of 59. |
| Thursday, November 9 |
| Future Pirate George Witt is born in Long Beach, CA. |
| Friday, November 17 |
| Future Pirate Orlando Pena is born in Victoria De Las Tunas, Cuba. |
| Saturday, November 25 |
| Future Pirate Jim Waugh is born in Lancaster, OH. |
Game information provided by Retrosheet (www.retrosheet.org) |
