| Thursday, March 15 |
| Former Pirate Goat Anderson dies in South Bend, IN at the age of 44. |
| Tuesday, April 17 |
| » Defeated Cubs (0-1), 3-2 | Wrigley Field (1-0) | 1-0 | |
| » Starters: Johnny Morrison vs Tiny Osborne | First | -- |
| Wednesday, April 18 |
| » Lost to Cubs (1-1), 7-2 | Wrigley Field (1-1) | 1-1 | |
| » Starters: George Boehler vs Pete Alexander | Third | 1 out |
| Thursday, April 19 |
| » Lost to Cubs (2-1), 10-5 | Wrigley Field (1-2) | 1-2 | Lost 2 |
| » Starters: Babe Adams vs Vic Aldridge | Fourth | 2½ out |
| Friday, April 20 |
| » Lost to Cubs (3-1), 12-11 | Wrigley Field (1-3) | 1-3 | Lost 3 |
| » Starters: Whitey Glazner vs Nick Dumovich | Sixth | 2½ out |
| Saturday, April 21 |
| » Lost to Reds (3-2), 12-6 | Crosley Field (0-1) | 1-4 | Lost 4 |
| » Starters: Wilbur Cooper vs Pete Donohue | Eighth | 3½ out |
| Sunday, April 22 |
| » Defeated Reds (3-3), 15-9 | Crosley Field (1-1) | 2-4 | |
| » Starters: Johnny Morrison vs Eppa Rixey | Fifth | 3½ out |
| » Major-league debuts: Bill Harris (Reds) |
| Monday, April 23 |
| » Defeated Reds (3-4), 8-4 | Crosley Field (2-1) | 3-4 | Won 2 |
| » Starters: George Boehler vs Johnny Couch | Fourth | 3½ out |
| Tuesday, April 24 |
| » Lost to Reds (4-4), 5-4 | Crosley Field (2-2) | 3-5 | |
| » Starters: Earl Kunz vs Dolf Luque | Fifth | 4½ out |
| Wednesday, April 25 |
| » Defeated Cubs (7-2), 7-3 | Forbes Field (1-0) | 4-5 | |
| » Starters: Fred Fussell vs Wilbur Cooper | Fifth | 4 out |
| Thursday, April 26 |
| » Defeated Cubs (7-3), 7-2 | Forbes Field (2-0) | 5-5 | Won 2 |
| » Starters: Tiny Osborne vs Babe Adams | Fourth | 4 out |
| » Major-league debuts: Ed Stauffer (Cubs) |
| Friday, April 27 |
| » Defeated Cubs (7-4), 2-1 | Forbes Field (3-0) | 6-5 | Won 3 |
| » Starters: Pete Alexander vs Johnny Morrison | Third | 3 out |
| Sunday, April 29 |
| » Lost to Cardinals (5-7), 3-2 | Sportsman's Park III (0-1) | 6-6 | |
| » Starters: Whitey Glazner vs Jesse Haines | Fourth | 2½ out |
| Monday, April 30 |
| » Lost to Cardinals (6-7), 7-5 | Sportsman's Park III (0-2) | 6-7 | Lost 2 |
| » Starters: George Boehler vs Bill Doak | Fifth | 3½ out |
| Tuesday, May 1 |
| » Defeated Cardinals (6-8), 6-2 | Sportsman's Park III (1-2) | 7-7 | |
| » Starters: Wilbur Cooper vs Bill Sherdel | Fourth | 3½ out |
| Wednesday, May 2 |
| » Lost to Cardinals (7-8), 12-1 | Sportsman's Park III (1-3) | 7-8 | |
| » Starters: Johnny Morrison vs Jeff Pfeffer | Fourth | 4½ out |
| Thursday, May 3 |
| » Defeated Reds (7-9), 3-1 | Forbes Field (4-0) | 8-8 | |
| » Starters: Pete Donohue vs Babe Adams | Fourth | 3½ out |
| Friday, May 4 |
| » Defeated Reds (7-10), 11-6 | Forbes Field (5-0) | 9-8 | Won 2 |
| » Starters: Eppa Rixey vs Whitey Glazner | Fourth | 3½ out |
| Saturday, May 5 |
| » Defeated Reds (7-11), 10-7 | Forbes Field (6-0) | 10-8 | Won 3 |
| » Starters: Cactus Keck vs Wilbur Cooper | Second | 3½ out |
| Sunday, May 6 |
| » Lost to Reds (8-11), 8-7 | Crosley Field (2-3) | 10-9 | |
| » Starters: Jim Bagby vs Dolf Luque | Third | 4 out |
| Monday, May 7 |
| » Defeated Cardinals (10-10), 11-4 | Forbes Field (7-0) | 11-9 | |
| » Starters: Bill Sherdel vs Babe Adams | Second | 4 out |
| Tuesday, May 8 |
| » Defeated Dodgers (7-13), 8-6 | Ebbets Field (1-0) | 12-9 | Won 2 |
| » Starters: Johnny Morrison vs Harry Harper | Second | 4 out |
| Friday, May 11 |
| » Lost to Dodgers (8-13), 7-6 | Ebbets Field (1-1) | 12-10 | |
| » Starters: Jim Bagby vs Burleigh Grimes | Second | 4½ out |
| Sunday, May 13 |
| » Lost to Giants (18-6), 9-0 | Polo Grounds V (0-1) | 12-11 | Lost 2 |
| » Starters: Wilbur Cooper vs Hugh McQuillan | Third | 5½ out |
| Monday, May 14 |
| » Defeated Giants (18-7), 4-1 | Polo Grounds V (1-1) | 13-11 | |
| » Starters: Babe Adams vs Art Nehf | Third | 4½ out |
| Wednesday, May 16 |
| » Lost to Giants (19-7), 6-2 | Polo Grounds V (1-2) | 13-12 | |
| » Starters: Johnny Morrison vs Jack Scott | Third | 5½ out |
| Thursday, May 17 |
| » Lost to Braves (12-13), 1-0 | Braves Field (0-1) | 13-13 | Lost 2 |
| » Starters: Wilbur Cooper vs Dick Rudolph | Third | 6½ out |
| Friday, May 18 |
| » Defeated Braves (12-14), 4-3 | Braves Field (1-1) | 14-13 | |
| » Starters: Babe Adams vs Dana Fillingim | Third | 5½ out |
| Saturday, May 19 |
| » Defeated Braves (12-15), 5-0 | Braves Field (2-1) | 15-13 | Won 2 |
| » Starters: Whitey Glazner vs Tim McNamara | Third | 5½ out |
| Monday, May 21 |
| » Defeated Phillies (8-19), 5-3 | Baker Bowl (1-0) | 16-13 | Won 3 |
| » Starters: Johnny Morrison vs Petie Behan | Second | 5½ out |
| Tuesday, May 22 |
| » Defeated Phillies (8-20), 13-6 | Baker Bowl (2-0) | 17-13 | Won 4 |
| » Starters: Wilbur Cooper vs Lee Meadows | Second | 5½ out |
| Wednesday, May 23 |
| » Defeated Phillies (8-21), 7-6 | Baker Bowl (3-0) | 18-13 | Won 5 |
| » Starters: Jim Bagby vs Ralph Head | Second | 5½ out |
| Thursday, May 24 |
| » Defeated Cardinals (17-17), 11-4 | Forbes Field (8-0) | 19-13 | Won 6 |
| » Starters: Bill Sherdel vs Babe Adams | Second | 5½ out |
| Friday, May 25 |
| » Defeated Cardinals (17-18), 2-1 | Forbes Field (9-0) | 20-13 | Won 7 |
| » Starters: Bill Doak vs Johnny Morrison | Second | 5½ out |
| Saturday, May 26 |
| » Lost to Cardinals (18-18), 5-4 | Forbes Field (9-1) | 20-14 | |
| » Starters: Jesse Haines vs Wilbur Cooper | Second | 6½ out |
| Sunday, May 27 |
| » Defeated Cubs (17-17), 4-2 | Wrigley Field (2-3) | 21-14 | |
| » Starters: Lee Meadows vs Vic Aldridge | Second | 6½ out |
| Monday, May 28 |
| » Lost to Cubs (18-17), 5-4 | Wrigley Field (2-4) | 21-15 | |
| » Starters: Earl Hamilton vs Virgil Cheeves | Second | 6½ out |
| Future Pirate Bob Kuzava is born in Wyandotte, MI. |
| Tuesday, May 29 |
| » Defeated Cubs (18-18), 7-6 | Forbes Field (10-1) | 22-15 | |
| » Starters: Pete Alexander vs Babe Adams | Second | 5½ out |
| Wednesday, May 30 |
| » Defeated Cubs (18-19), 5-4 | Forbes Field (11-1) | 23-15 | Won 2 |
| » Starters: Tony Kaufmann vs Johnny Morrison | Second | 4½ out |
| » Defeated Cubs (18-20), 10-2 | Forbes Field (12-1) | 24-15 | Won 3 |
| » Starters: Vic Aldridge vs Wilbur Cooper | Second | 4½ out |
| Thursday, May 31 |
| » Lost to Cardinals (20-22), 4-1 | Sportsman's Park III (1-4) | 24-16 | |
| » Starters: Lee Meadows vs Fred Toney | Second | 5½ out |
| Friday, June 1 |
| » Lost to Cardinals (21-22), 4-3 | Sportsman's Park III (1-5) | 24-17 | Lost 2 |
| » Starters: Earl Kunz vs Jeff Pfeffer | Second | 6½ out |
| Sunday, June 3 |
| » Lost to Cardinals (22-22), 4-3 | Sportsman's Park III (1-6) | 24-18 | Lost 3 |
| » Starters: Wilbur Cooper vs Jesse Haines | Second | 7½ out |
| Monday, June 4 |
| » Lost to Dodgers (24-19), 5-3 | Forbes Field (12-2) | 24-19 | Lost 4 |
| » Starters: Burleigh Grimes vs Johnny Morrison | Second | 8 out |
| Tuesday, June 5 |
| » Defeated Dodgers (24-20), 5-2 | Forbes Field (13-2) | 25-19 | |
| » Starters: Leo Dickerman vs Lee Meadows | Second | 8 out |
| Wednesday, June 6 |
| » Defeated Dodgers (24-21), 7-3 | Forbes Field (14-2) | 26-19 | Won 2 |
| » Starters: Dutch Ruether vs Earl Hamilton | Second | 7 out |
| Friday, June 8 |
| » Defeated Giants (33-14), 9-6 | Forbes Field (15-2) | 27-19 | Won 3 |
| » Starters: Hugh McQuillan vs Wilbur Cooper | Second | 5½ out |
| Saturday, June 9 |
| » Lost to Giants (34-14), 6-0 | Forbes Field (15-3) | 27-20 | |
| » Starters: Jack Bentley vs Lee Meadows | Second | 6½ out |
| Tuesday, June 12 |
| » Defeated Giants (34-15), 4-2 | Forbes Field (16-3) | 28-20 | |
| » Starters: Art Nehf vs Wilbur Cooper | Second | 5½ out |
| Wednesday, June 13 |
| » Defeated Phillies (13-36), 4-2 | Forbes Field (17-3) | 29-20 | Won 2 |
| » Starters: Petie Behan vs Johnny Morrison | Second | 4½ out |
| Thursday, June 14 |
| » Lost to Phillies (14-36), 2-1 | Forbes Field (17-4) | 29-21 | |
| » Starters: Jimmy Ring vs Lee Meadows | Second | 4½ out |
| Saturday, June 16 |
| » Defeated Phillies (14-37), 4-1 | Forbes Field (18-4) | 30-21 | |
| » Starters: Lefty Weinert vs Wilbur Cooper | Second | 3 out |
| Monday, June 18 |
| » Defeated Braves (18-38), 8-3 | Forbes Field (19-4) | 31-21 | Won 2 |
| » Starters: Rube Marquard vs Johnny Morrison | Second | 2½ out |
| Wednesday, June 20 |
| » Lost to Braves (19-38), 14-8 | Forbes Field (19-5) | 31-22 | |
| » Starters: Joe Oeschger vs Earl Hamilton | Second | 4 out |
| Thursday, June 21 |
| » Defeated Braves (19-39), 2-1 | Forbes Field (20-5) | 32-22 | |
| » Starters: Jesse Barnes vs Babe Adams | Second | 3½ out |
| Friday, June 22 |
| » Defeated Reds (32-24), 8-2 | Forbes Field (21-5) | 33-22 | Won 2 |
| » Starters: Pete Donohue vs Lee Meadows | Second | 3½ out |
| Saturday, June 23 |
| » Lost to Reds (33-24), 5-4 | Forbes Field (21-6) | 33-23 | |
| » Starters: Eppa Rixey vs Wilbur Cooper | Second | 4½ out |
| Sunday, June 24 |
| » Defeated Cardinals (31-30), 6-4 | Sportsman's Park III (2-6) | 34-23 | |
| » Starters: Johnny Morrison vs Jeff Pfeffer | Second | 4½ out |
| Monday, June 25 |
| » Defeated Cardinals (31-31), 3-1 | Sportsman's Park III (3-6) | 35-23 | Won 2 |
| » Starters: Earl Hamilton vs Jesse Haines | Second | 4½ out |
| Tuesday, June 26 |
| » Defeated Cardinals (31-32), 7-5 | Sportsman's Park III (4-6) | 36-23 | Won 3 |
| » Starters: Lee Meadows vs Bill Doak | Second | 4½ out |
| Wednesday, June 27 |
| » Defeated Cardinals (31-33), 6-0 | Sportsman's Park III (5-6) | 37-23 | Won 4 |
| » Starters: Wilbur Cooper vs Bill Sherdel | Second | 4½ out |
| Friday, June 29 |
| » Lost to Reds (36-25), 2-0 | Forbes Field (21-7) | 37-24 | |
| » Starters: Dolf Luque vs Johnny Morrison | Second | 5 out |
| » Defeated Reds (36-26), 5-3 | Forbes Field (22-7) | 38-24 | |
| » Starters: Rube Benton vs Jim Bagby | Second | 5 out |
| Saturday, June 30 |
| » Defeated Reds (36-27), 4-3 | Forbes Field (23-7) | 39-24 | Won 2 |
| » Starters: Eppa Rixey vs Babe Adams | Second | 4½ out |
| Sunday, July 1 |
| » Lost to Reds (37-27), 3-2 | Crosley Field (2-4) | 39-25 | |
| » Starters: Wilbur Cooper vs Pete Donohue | Second | 4½ out |
| Monday, July 2 |
| » Defeated Cardinals (33-36), 4-1 | Forbes Field (24-7) | 40-25 | |
| » Starters: Jeff Pfeffer vs Earl Hamilton | Second | 3½ out |
| Tuesday, July 3 |
| » Defeated Cardinals (33-37), 4-2 | Forbes Field (25-7) | 41-25 | Won 2 |
| » Starters: Fred Toney vs Lee Meadows | Second | 3½ out |
| Wednesday, July 4 |
| » Defeated Cardinals (33-38), 7-5 | Forbes Field (26-7) | 42-25 | Won 3 |
| » Starters: Bill Doak vs Jim Bagby | Second | 3½ out |
| » Defeated Cardinals (33-39), 6-1 | Forbes Field (27-7) | 43-25 | Won 4 |
| » Starters: Jesse Haines vs Johnny Morrison | Second | 3½ out |
| Friday, July 6 |
| » Lost to Phillies (21-50), 5-2 | Baker Bowl (3-1) | 43-26 | |
| » Starters: Wilbur Cooper vs Clarence Mitchell | Second | 4 out |
| Saturday, July 7 |
| » Defeated Phillies (21-51), 18-5 | Baker Bowl (4-1) | 44-26 | |
| » Starters: Lee Meadows vs Whitey Glazner | Second | 3 out |
| Monday, July 9 |
| » Lost to Phillies (22-51), 4-2 | Baker Bowl (4-2) | 44-27 | |
| » Starters: Johnny Morrison vs Petie Behan | Second | 3½ out |
| Tuesday, July 10 |
| » Lost to Giants (50-25), 9-8 | Polo Grounds V (1-3) | 44-28 | Lost 2 |
| » Starters: Wilbur Cooper vs Jack Bentley | Second | 4½ out |
| Wednesday, July 11 |
| » Lost to Giants (51-25), 6-1 | Polo Grounds V (1-4) | 44-29 | Lost 3 |
| » Starters: Earl Hamilton vs Mule Watson | Third | 5½ out |
| Thursday, July 12 |
| » Defeated Giants (51-26), 5-3 | Polo Grounds V (2-4) | 45-29 | |
| » Starters: Lee Meadows vs Hugh McQuillan | Third | 5½ out |
| » Lost to Giants (52-26), 4-2 | Polo Grounds V (2-5) | 45-30 | |
| » Starters: Babe Adams vs Jack Scott | Third | 5½ out |
| Friday, July 13 |
| » Defeated Giants (52-27), 10-1 | Polo Grounds V (3-5) | 46-30 | |
| » Starters: Johnny Morrison vs Art Nehf | Third | 4½ out |
| Saturday, July 14 |
| » Lost to Dodgers (40-37), 2-1 | Ebbets Field (1-2) | 46-31 | |
| » Starters: Wilbur Cooper vs Dazzy Vance | Third | 5 out |
| » Defeated Dodgers (40-38), 5-3 | Ebbets Field (2-2) | 47-31 | |
| » Starters: Jim Bagby vs Dutch Henry | Third | 5 out |
| Sunday, July 15 |
| » Defeated Dodgers (40-39), 3-2 | Ebbets Field (3-2) | 48-31 | Won 2 |
| » Starters: Earl Hamilton vs Dutch Ruether | Third | 4 out |
| » Major-league debuts: Charlie Hargreaves (Dodgers) |
| Monday, July 16 |
| » Lost to Dodgers (41-39), 8-4 | Ebbets Field (3-3) | 48-32 | |
| » Starters: Lee Meadows vs Burleigh Grimes | Third | 4½ out |
| Tuesday, July 17 |
| » Lost to Dodgers (42-39), 6-2 | Ebbets Field (3-4) | 48-33 | Lost 2 |
| » Starters: Johnny Morrison vs George Smith | Third | 5½ out |
| Wednesday, July 18 |
| » Defeated Braves (23-59), 5-1 | Braves Field (3-1) | 49-33 | |
| » Starters: Wilbur Cooper vs Rube Marquard | Third | 4½ out |
| Thursday, July 19 |
| » Defeated Braves (23-60), 8-6 | Braves Field (4-1) | 50-33 | Won 2 |
| » Starters: Lee Meadows vs Jesse Barnes | Third | 3½ out |
| Friday, July 20 |
| » Lost to Braves (24-60), 8-5 | Braves Field (4-2) | 50-34 | |
| » Starters: Earl Hamilton vs Joe Genewich | Third | 4½ out |
| Saturday, July 21 |
| » Defeated Braves (24-61), 14-4 | Braves Field (5-2) | 51-34 | |
| » Starters: Johnny Morrison vs Tim McNamara | Third | 4 out |
| » Defeated Braves (24-62), 6-4 | Braves Field (6-2) | 52-34 | Won 2 |
| » Starters: Wilbur Cooper vs Frank Miller | Third | 4 out |
| Monday, July 23 |
| » Lost to Cubs (48-43), 12-3 | Forbes Field (27-8) | 52-35 | |
| » Starters: Pete Alexander vs Earl Hamilton | Third | 5½ out |
| Wednesday, July 25 |
| » Defeated Braves (25-64), 5-2 | Forbes Field (28-8) | 53-35 | |
| » Starters: Frank Miller vs Babe Adams | Second | 4½ out |
| » Defeated Braves (25-65), 10-3 | Forbes Field (29-8) | 54-35 | Won 2 |
| » Starters: Dana Fillingim vs Johnny Morrison | Second | 4½ out |
| Thursday, July 26 |
| » Defeated Braves (25-66), 8-7 | Forbes Field (30-8) | 55-35 | Won 3 |
| » Starters: Rube Marquard vs Wilbur Cooper | Second | 3½ out |
| Friday, July 27 |
| » Defeated Braves (25-67), 8-5 | Forbes Field (31-8) | 56-35 | Won 4 |
| » Starters: Joe Oeschger vs Lee Meadows | Second | 3 out |
| Saturday, July 28 |
| » Defeated Braves (25-68), 3-1 | Forbes Field (32-8) | 57-35 | Won 5 |
| » Starters: Joe Genewich vs Wilbur Cooper | Second | 2½ out |
| Monday, July 30 |
| » Defeated Giants (61-34), 5-4 | Forbes Field (33-8) | 58-35 | Won 6 |
| » Starters: Jack Scott vs Babe Adams | Third | 3 out |
| » Lost to Giants (62-34), 17-2 | Forbes Field (33-9) | 58-36 | |
| » Starters: Art Nehf vs Johnny Morrison | Third | 3 out |
| Tuesday, July 31 |
| » Lost to Giants (63-34), 5-4 | Forbes Field (33-10) | 58-37 | Lost 2 |
| » Starters: Hugh McQuillan vs Earl Hamilton | Second | 4 out |
| Wednesday, August 1 |
| » Defeated Giants (63-35), 2-1 | Forbes Field (34-10) | 59-37 | |
| » Starters: Jack Bentley vs Wilbur Cooper | Second | 3 out |
| Thursday, August 2 |
| » Lost to Giants (64-35), 3-2 | Forbes Field (34-11) | 59-38 | |
| » Starters: Mule Watson vs Lee Meadows | Third | 4 out |
| Saturday, August 4 |
| » Lost to Phillies (32-67), 4-2 | Forbes Field (34-12) | 59-39 | Lost 2 |
| » Starters: Jimmy Ring vs Babe Adams | Third | 4½ out |
| » Defeated Phillies (32-68), 4-3 | Forbes Field (35-12) | 60-39 | |
| » Starters: Lefty Weinert vs Johnny Morrison | Third | 4½ out |
| Monday, August 6 |
| » Lost to Phillies (33-68), 6-4 | Forbes Field (35-13) | 60-40 | |
| » Starters: Clarence Mitchell vs Wilbur Cooper | Second | 6½ out |
| Tuesday, August 7 |
| » Lost to Phillies (34-68), 7-5 | Forbes Field (35-14) | 60-41 | Lost 2 |
| » Starters: Whitey Glazner vs Lee Meadows | Second | 7½ out |
| Wednesday, August 8 |
| » Lost to Dodgers (52-50), 9-2 | Forbes Field (35-15) | 60-42 | Lost 3 |
| » Starters: Dazzy Vance vs Earl Hamilton | Second | 7 out |
| » Defeated Dodgers (52-51), 5-2 | Forbes Field (36-15) | 61-42 | |
| » Starters: Burleigh Grimes vs Johnny Morrison | Second | 7 out |
| Thursday, August 9 |
| » Defeated Dodgers (52-52), 6-2 | Forbes Field (37-15) | 62-42 | Won 2 |
| » Starters: Leo Dickerman vs Babe Adams | Second | 6 out |
| Friday, August 10 |
| Future Pirate Bob Porterfield is born in Newport, VA. |
| Saturday, August 11 |
| » Lost to Dodgers (53-52), 7-6 | Forbes Field (37-16) | 62-43 | |
| » Starters: Dutch Ruether vs Wilbur Cooper | Second | 7½ out |
| Sunday, August 12 |
| » Lost to Dodgers (54-52), 11-2 | Ebbets Field (3-5) | 62-44 | Lost 2 |
| » Starters: Earl Hamilton vs Dazzy Vance | Second | 8 out |
| » Lost to Dodgers (55-52), 6-0 | Ebbets Field (3-6) | 62-45 | Lost 3 |
| » Starters: Johnny Morrison vs Burleigh Grimes | Second | 8 out |
| Monday, August 13 |
| » Defeated Dodgers (55-53), 5-2 | Ebbets Field (4-6) | 63-45 | |
| » Starters: Lee Meadows vs George Smith | Second | 7½ out |
| Tuesday, August 14 |
| » Lost to Phillies (37-71), 16-10 | Baker Bowl (4-3) | 63-46 | |
| » Starters: Babe Adams vs Johnny Couch | Third | 8½ out |
| Wednesday, August 15 |
| » Defeated Phillies (37-72), 4-3 | Baker Bowl (5-3) | 64-46 | |
| » Starters: Wilbur Cooper vs Petie Behan | Third | 7 out |
| Thursday, August 16 |
| » Lost to Phillies (38-72), 8-5 | Baker Bowl (5-4) | 64-47 | |
| » Starters: Johnny Morrison vs Clarence Mitchell | Third | 8 out |
| Friday, August 17 |
| » Defeated Phillies (38-73), 11-6 | Baker Bowl (6-4) | 65-47 | |
| » Starters: Ray Steineder vs Jimmy Ring | Third | 7 out |
| Saturday, August 18 |
| » Defeated Phillies (38-74), 9-8 | Baker Bowl (7-4) | 66-47 | Won 2 |
| » Starters: Lee Meadows vs Whitey Glazner | Third | 6 out |
| Sunday, August 19 |
| » Lost to Giants (74-42), 2-1 | Polo Grounds V (3-6) | 66-48 | |
| » Starters: Wilbur Cooper vs Jack Scott | Third | 7 out |
| Monday, August 20 |
| » Defeated Giants (74-43), 3-1 | Polo Grounds V (4-6) | 67-48 | |
| » Starters: Johnny Morrison vs Art Nehf | Third | 6 out |
| Tuesday, August 21 |
| » Defeated Giants (74-44), 9-5 | Polo Grounds V (5-6) | 68-48 | Won 2 |
| » Starters: Babe Adams vs Mule Watson | Third | 5 out |
| Thursday, August 23 |
| » Defeated Braves (36-79), 8-3 | Braves Field (7-2) | 69-48 | Won 3 |
| » Starters: Lee Meadows vs Jesse Barnes | Third | 4½ out |
| Friday, August 24 |
| » Defeated Braves (36-80), 7-2 | Braves Field (8-2) | 70-48 | Won 4 |
| » Starters: Wilbur Cooper vs Joe Oeschger | Third | 4½ out |
| Saturday, August 25 |
| » Defeated Braves (36-81), 5-2 | Braves Field (9-2) | 71-48 | Won 5 |
| » Starters: Johnny Morrison vs Rube Marquard | Third | 4½ out |
| Sunday, August 26 |
| » Defeated Dodgers (57-63), 9-2 | Ebbets Field (5-6) | 72-48 | Won 6 |
| » Starters: Babe Adams vs Dutch Ruether | Third | 4½ out |
| Wednesday, August 29 |
| » Lost to Cubs (68-56), 6-2 | Forbes Field (37-17) | 72-49 | |
| » Starters: Tony Kaufmann vs Wilbur Cooper | Third | 5 out |
| Thursday, August 30 |
| » Lost to Cardinals (61-63), 6-4 | Forbes Field (37-18) | 72-50 | Lost 2 |
| » Starters: Jesse Haines vs Johnny Morrison | Third | 6 out |
| Friday, August 31 |
| » Lost to Cardinals (62-63), 3-2 | Forbes Field (37-19) | 72-51 | Lost 3 |
| » Starters: Bill Doak vs Wilbur Cooper | Third | 6 out |
| Saturday, September 1 |
| » Lost to Cardinals (63-63), 8-2 | Forbes Field (37-20) | 72-52 | Lost 4 |
| » Starters: Fred Toney vs Babe Adams | Third | 6 out |
| Sunday, September 2 |
| » Defeated Cubs (69-58), 8-6 | Wrigley Field (3-4) | 73-52 | |
| » Starters: Earl Hamilton vs Tony Kaufmann | Third | 5 out |
| Monday, September 3 |
| » Defeated Reds (75-51), 7-2 | Forbes Field (38-20) | 74-52 | Won 2 |
| » Starters: Rube Benton vs Johnny Morrison | Third | 4½ out |
| Tuesday, September 4 |
| » Lost to Reds (76-51), 2-1 | Forbes Field (38-21) | 74-53 | |
| » Starters: Eppa Rixey vs Wilbur Cooper | Third | 5½ out |
| Wednesday, September 5 |
| » Defeated Reds (76-52), 6-2 | Forbes Field (39-21) | 75-53 | |
| » Starters: Dolf Luque vs Lee Meadows | Third | 5 out |
| Former Pirate Dots Miller dies in Saranac Lake, NY at the age of 37. |
| Thursday, September 6 |
| » Defeated Cubs (71-60), 5-1 | Forbes Field (40-21) | 76-53 | Won 2 |
| » Starters: Pete Alexander vs Earl Hamilton | Third | 5 out |
| Friday, September 7 |
| » Lost to Cubs (72-60), 6-4 | Forbes Field (40-22) | 76-54 | |
| » Starters: Vic Keen vs Babe Adams | Third | 5 out |
| Saturday, September 8 |
| » Defeated Cubs (72-61), 4-0 | Forbes Field (41-22) | 77-54 | |
| » Starters: Vic Aldridge vs Johnny Morrison | Second | 5 out |
| Sunday, September 9 |
| » Lost to Reds (78-55), 8-3 | Crosley Field (2-5) | 77-55 | |
| » Starters: Wilbur Cooper vs Dolf Luque | Third | 5 out |
| Monday, September 10 |
| » Defeated Reds (78-56), 8-0 | Crosley Field (3-5) | 78-55 | |
| » Starters: Lee Meadows vs Pete Donohue | Second | 5 out |
| Tuesday, September 11 |
| » Defeated Reds (78-57), 4-3 | Crosley Field (4-5) | 79-55 | Won 2 |
| » Starters: Johnny Morrison vs Rube Benton | Second | 5 out |
| Thursday, September 13 |
| » Lost to Dodgers (66-68), 7-4 | Forbes Field (41-23) | 79-56 | |
| » Starters: Dazzy Vance vs Babe Adams | Second | 5 out |
| » Defeated Dodgers (66-69), 6-3 | Forbes Field (42-23) | 80-56 | |
| » Starters: Dutch Henry vs Wilbur Cooper | Second | 5 out |
| Saturday, September 15 |
| » Defeated Dodgers (66-70), 4-1 | Forbes Field (43-23) | 81-56 | Won 2 |
| » Starters: Dutch Ruether vs Lee Meadows | Second | 4 out |
| » Lost to Dodgers (67-70), 13-2 | Forbes Field (43-24) | 81-57 | |
| » Starters: Burleigh Grimes vs Johnny Morrison | Second | 4 out |
| Monday, September 17 |
| » Lost to Braves (46-92), 6-1 | Forbes Field (43-25) | 81-58 | Lost 2 |
| » Starters: Rube Marquard vs Wilbur Cooper | Third | 5½ out |
| Tuesday, September 18 |
| » Defeated Braves (46-93), 12-2 | Forbes Field (44-25) | 82-58 | |
| » Starters: Jesse Barnes vs Johnny Morrison | Third | 5½ out |
| Wednesday, September 19 |
| » Lost to Braves (47-93), 5-4 | Forbes Field (44-26) | 82-59 | |
| » Starters: Joe Genewich vs Babe Adams | Third | 6 out |
| Friday, September 21 |
| » Lost to Giants (90-54), 8-4 | Forbes Field (44-27) | 82-60 | Lost 2 |
| » Starters: Jack Scott vs Lee Meadows | Third | 8 out |
| » Lost to Giants (91-54), 8-1 | Forbes Field (44-28) | 82-61 | Lost 3 |
| » Starters: Mule Watson vs Wilbur Cooper | Third | 8 out |
| Saturday, September 22 |
| » Lost to Giants (92-54), 4-3 | Forbes Field (44-29) | 82-62 | Lost 4 |
| » Starters: Jack Bentley vs Johnny Morrison | Third | 9 out |
| Monday, September 24 |
| » Lost to Phillies (47-97), 4-2 | Forbes Field (44-30) | 82-63 | Lost 5 |
| » Starters: Johnny Couch vs Lee Meadows | Third | 8½ out |
| » Defeated Phillies (47-98), 4-3 | Forbes Field (45-30) | 83-63 | |
| » Starters: Huck Betts vs Wilbur Cooper | Third | 8½ out |
| Tuesday, September 25 |
| » Defeated Phillies (47-99), 18-5 | Forbes Field (46-30) | 84-63 | Won 2 |
| » Starters: Whitey Glazner vs Ray Steineder | Third | 8½ out |
| » Major-league debuts: Eddie Moore (Pirates) |
| Wednesday, September 26 |
| » Defeated Phillies (47-100), 6-0 | Forbes Field (47-30) | 85-63 | Won 3 |
| » Starters: Petie Behan vs Johnny Morrison | Third | 8 out |
| Thursday, September 27 |
| » Lost to Cubs (79-69), 8-2 | Wrigley Field (3-5) | 85-64 | |
| » Starters: Earl Hamilton vs Vic Keen | Third | 8½ out |
| Friday, September 28 |
| » Lost to Cubs (80-69), 2-1 | Wrigley Field (3-6) | 85-65 | Lost 2 |
| » Starters: Wilbur Cooper vs Vic Aldridge | Third | 9½ out |
| Saturday, September 29 |
| » Lost to Cubs (81-69), 5-4 | Wrigley Field (3-7) | 85-66 | Lost 3 |
| » Starters: Lee Meadows vs Pete Alexander | Third | 9½ out |
| Sunday, September 30 |
| » Lost to Cubs (82-69), 5-4 | Wrigley Field (3-8) | 85-67 | Lost 4 |
| » Starters: Johnny Morrison vs Rip Wheeler | Third | 10½ out |
| Wednesday, October 3 |
| » Major-league debuts: Ernie Padgett (Braves) |
| Saturday, October 6 |
| » Defeated Reds (91-62), 7-1 | Crosley Field (5-5) | 86-67 | |
| » Starters: Lee Meadows vs Eppa Rixey | Third | 9½ out |
| Sunday, October 7 |
| » Defeated Reds (91-63), 7-5 | Crosley Field (6-5) | 87-67 | Won 2 |
| » Starters: Johnny Morrison vs Pete Donohue | Third | 8½ out |
| Tuesday, November 27 |
| Future Pirate Bob Schultz is born in Louisville, KY. |
| Friday, December 14 |
| Future Pirate Paul LaPalme is born in Springfield, MA. |
| Saturday, December 22 |
| Future Pirate Bob Hall is born in Swissvale, PA. |
Game information provided by Retrosheet (www.retrosheet.org) |
