| Sunday, April 13 |
| Former Pirate Joe Schultz, Sr. dies in Columbia, SC at the age of 48. |
| Monday, April 14 |
| » Major-league debuts: Phil Rizzuto and Johnny Sturm (Yankees) |
| Tuesday, April 15 |
| » Lost to Cubs (1-0), 7-4 | Wrigley Field (0-1) | 0-1 | |
| » Starters: Bob Klinger vs Claude Passeau | Second | 1 out |
| » Major-league debuts: Lou Novikoff Lou Stringer and Eddie Waitkus (Cubs) |
| Thursday, April 17 |
| » Defeated Cubs (1-1), 7-2 | Wrigley Field (1-1) | 1-1 | |
| » Starters: Rip Sewell vs Vern Olsen | Third | 1½ out |
| Friday, April 18 |
| » Defeated Reds (0-4), 4-1 | Forbes Field (1-0) | 2-1 | Won 2 |
| » Starters: Bucky Walters vs Max Butcher | Third | 1½ out |
| Saturday, April 19 |
| » Lost to Reds (1-4), 5-3 | Forbes Field (1-1) | 2-2 | |
| » Starters: Paul Derringer vs Russ Bauers | Fourth | 2½ out |
| » Major-league debuts: Bud Stewart (Pirates) |
| Sunday, April 20 |
| » Lost to Reds (2-4), 7-3 | Forbes Field (1-2) | 2-3 | Lost 2 |
| » Starters: Jim Turner vs Joe Bowman | Sixth | 2½ out |
| Tuesday, April 22 |
| » Lost to Cardinals (4-2), 9-8 | Sportsman's Park III (0-1) | 2-4 | Lost 3 |
| » Starters: Rip Sewell vs Lon Warneke | Seventh | 3 out |
| Wednesday, April 23 |
| » Lost to Cardinals (5-2), 3-1 | Sportsman's Park III (0-2) | 2-5 | Lost 4 |
| » Starters: Max Butcher vs Sam Nahem | Seventh | 4 out |
| Thursday, April 24 |
| » Defeated Cubs (3-4), 2-1 | Forbes Field (2-2) | 3-5 | |
| » Starters: Larry French vs Bob Klinger | Seventh | 3½ out |
| Friday, April 25 |
| » Lost to Cubs (4-4), 8-7 | Forbes Field (2-3) | 3-6 | |
| » Starters: Dizzy Dean vs Joe Bowman | Seventh | 4½ out |
| Saturday, April 26 |
| » Lost to Reds (6-5), 10-3 | Crosley Field (0-1) | 3-7 | Lost 2 |
| » Starters: Russ Bauers vs Johnny Vander Meer | Seventh | 4½ out |
| Sunday, April 27 |
| » Lost to Reds (7-5), 3-2 | Crosley Field (0-2) | 3-8 | Lost 3 |
| » Starters: Rip Sewell vs Bucky Walters | Seventh | 5 out |
| Tuesday, April 29 |
| » Lost to Phillies (4-10), 6-2 | Shibe Park (0-1) | 3-9 | Lost 4 |
| » Starters: Max Butcher vs Bill Crouch | Eighth | 7 out |
| Wednesday, April 30 |
| » Lost to Phillies (5-10), 8-4 | Shibe Park (0-2) | 3-10 | Lost 5 |
| » Starters: Bob Klinger vs Cy Blanton | Eighth | 7 out |
| Thursday, May 1 |
| » Defeated Phillies (5-11), 15-2 | Shibe Park (1-2) | 4-10 | |
| » Starters: Russ Bauers vs Si Johnson | Eighth | 7 out |
| Friday, May 2 |
| » Tied Giants, 7-7 | Polo Grounds V (0-0) | 4-10 | |
| » Starters: Rip Sewell vs Harry Gumbert | Eighth | 7½ out |
| Future Pirate Clay Carroll is born in Clanton, AL. |
| Saturday, May 3 |
| » Defeated Giants (8-8), 3-2 | Polo Grounds V (1-0) | 5-10 | Won 2 |
| » Starters: Max Butcher vs Bill Lohrman | Seventh | 7½ out |
| Sunday, May 4 |
| » Defeated Dodgers (15-6), 6-4 | Ebbets Field (1-0) | 6-10 | Won 3 |
| » Starters: Ken Heintzelman vs Luke Hamlin | Sixth | 7½ out |
| Monday, May 5 |
| Future Pirate Tommy Helms is born in Charlotte, NC. |
| Tuesday, May 6 |
| » Lost to Dodgers (16-6), 7-3 | Ebbets Field (1-1) | 6-11 | |
| » Starters: Rip Sewell vs Whit Wyatt | Fifth | 8 out |
| Wednesday, May 7 |
| » Lost to Braves (9-11), 7-6 | Braves Field (0-1) | 6-12 | Lost 2 |
| » Starters: Russ Bauers vs Jim Tobin | Sixth | 8 out |
| Sunday, May 11 |
| » Lost to Cardinals (16-6), 7-4 | Forbes Field (2-4) | 6-13 | Lost 3 |
| » Starters: Sam Nahem vs Max Butcher | Seventh | 10½ out |
| Monday, May 12 |
| » Lost to Cardinals (17-6), 6-2 | Forbes Field (2-5) | 6-14 | Lost 4 |
| » Starters: Lon Warneke vs Ken Heintzelman | Sixth | 11 out |
| Tuesday, May 13 |
| » Defeated Phillies (7-18), 6-3 | Forbes Field (3-5) | 7-14 | |
| » Starters: Lee Grissom vs Rip Sewell | Sixth | 11 out |
| Wednesday, May 14 |
| » Defeated Phillies (7-19), 12-7 | Forbes Field (4-5) | 8-14 | Won 2 |
| » Starters: Tommy Hughes vs Nick Strincevich | Seventh | 11 out |
| Friday, May 16 |
| » Defeated Dodgers (22-7), 3-2 | Forbes Field (5-5) | 9-14 | Won 3 |
| » Starters: Kirby Higbe vs Johnny Lanning | Sixth | 10 out |
| Sunday, May 18 |
| » Lost to Giants (16-11), 5-4 | Forbes Field (5-6) | 9-15 | |
| » Starters: Bill McGee vs Rip Sewell | Seventh | 10 out |
| Monday, May 19 |
| » Defeated Giants (16-12), 2-1 | Forbes Field (6-6) | 10-15 | |
| » Starters: Carl Hubbell vs Max Butcher | Sixth | 8½ out |
| Tuesday, May 20 |
| » Defeated Giants (16-13), 7-5 | Forbes Field (7-6) | 11-15 | Won 2 |
| » Starters: Hal Schumacher vs Bob Klinger | Sixth | 7½ out |
| Wednesday, May 21 |
| » Defeated Braves (12-19), 8-4 | Forbes Field (8-6) | 12-15 | Won 3 |
| » Starters: Jim Tobin vs Ken Heintzelman | Fifth | 7½ out |
| Friday, May 23 |
| » Lost to Cardinals (23-9), 2-1 | Sportsman's Park III (0-3) | 12-16 | |
| » Starters: Max Butcher vs Mort Cooper | Sixth | 9 out |
| Saturday, May 24 |
| » Lost to Cardinals (24-9), 10-7 | Sportsman's Park III (0-4) | 12-17 | Lost 2 |
| » Starters: Rip Sewell vs Sam Nahem | Sixth | 10 out |
| Sunday, May 25 |
| » Lost to Cardinals (25-9), 6-4 | Sportsman's Park III (0-5) | 12-18 | Lost 3 |
| » Starters: Lefty Wilkie vs Harry Gumbert | Sixth | 12 out |
| » Lost to Cardinals (26-9), 4-3 | Sportsman's Park III (0-6) | 12-19 | Lost 4 |
| » Starters: Bob Klinger vs Howie Krist | Sixth | 12 out |
| Monday, May 26 |
| » Lost to Reds (17-20), 7-3 | Crosley Field (0-3) | 12-20 | Lost 5 |
| » Starters: Nick Strincevich vs Bucky Walters | Sixth | 13 out |
| Wednesday, May 28 |
| » Defeated Reds (17-21), 7-4 | Crosley Field (1-3) | 13-20 | |
| » Starters: Max Butcher vs Whitey Moore | Sixth | 13½ out |
| Friday, May 30 |
| » Lost to Cubs (17-20), 7-6 | Forbes Field (8-7) | 13-21 | |
| » Starters: Bill Lee vs Rip Sewell | Sixth | 14 out |
| » Defeated Cubs (17-21), 5-4 | Forbes Field (9-7) | 14-21 | |
| » Starters: Claude Passeau vs Lefty Wilkie | Sixth | 14 out |
| Monday, June 2 |
| » Lost to Braves (14-24), 2-0 | Braves Field (0-2) | 14-22 | |
| » Starters: Johnny Lanning vs Dick Errickson | Sixth | 14 out |
| Tuesday, June 3 |
| » Defeated Braves (14-25), 9-5 | Braves Field (1-2) | 15-22 | |
| » Starters: Ken Heintzelman vs Frank LaManna | Fifth | 13 out |
| Friday, June 6 |
| » Defeated Giants (22-20), 5-4 | Polo Grounds V (2-0) | 16-22 | Won 2 |
| » Starters: Max Butcher vs Bill McGee | Sixth | 12½ out |
| » Defeated Giants (22-21), 4-3 | Polo Grounds V (3-0) | 17-22 | Won 3 |
| » Starters: Rip Sewell vs Bill Lohrman | Sixth | 12½ out |
| Saturday, June 7 |
| » Lost to Phillies (15-30), 2-0 | Shibe Park (1-3) | 17-23 | |
| » Starters: Johnny Lanning vs Cy Blanton | Sixth | 13 out |
| Sunday, June 8 |
| » Defeated Phillies (15-31), 12-2 | Shibe Park (2-3) | 18-23 | |
| » Starters: Joe Bowman vs Tommy Hughes | Sixth | 12 out |
| » Lost to Phillies (16-31), 5-2 | Shibe Park (2-4) | 18-24 | |
| » Starters: Russ Bauers vs Johnny Podgajny | Sixth | 12 out |
| Monday, June 9 |
| » Defeated Phillies (16-32), 5-0 | Shibe Park (3-4) | 19-24 | |
| » Starters: Lefty Wilkie vs Lee Grissom | Sixth | 12 out |
| Tuesday, June 10 |
| » Lost to Dodgers (34-16), 4-3 | Ebbets Field (1-2) | 19-25 | |
| » Starters: Ken Heintzelman vs Freddie Fitzsimmons | Sixth | 13 out |
| Wednesday, June 11 |
| » Defeated Dodgers (34-17), 8-1 | Ebbets Field (2-2) | 20-25 | |
| » Starters: Rip Sewell vs Kirby Higbe | Sixth | 13 out |
| Saturday, June 14 |
| » Defeated Braves (17-32), 8-2 | Forbes Field (10-7) | 21-25 | Won 2 |
| » Starters: Manny Salvo vs Max Butcher | Sixth | 12½ out |
| Sunday, June 15 |
| » Lost to Braves (18-32), 5-1 | Forbes Field (10-8) | 21-26 | |
| » Starters: Bill Posedel vs Lefty Wilkie | Sixth | 13 out |
| Tuesday, June 17 |
| » Lost to Giants (28-27), 6-3 | Forbes Field (10-9) | 21-27 | Lost 2 |
| » Starters: Carl Hubbell vs Rip Sewell | Sixth | 14 out |
| Wednesday, June 18 |
| » Tied Giants, 2-2 | Forbes Field (10-9) | 21-27 | |
| » Starters: Johnnie Wittig vs Max Butcher | Sixth | 14½ out |
| Thursday, June 19 |
| » Lost to Giants (29-27), 9-6 | Forbes Field (10-10) | 21-28 | Lost 3 |
| » Starters: Hal Schumacher vs Johnny Lanning | Sixth | 15½ out |
| Friday, June 20 |
| » Defeated Phillies (17-41), 7-6 | Forbes Field (11-10) | 22-28 | |
| » Starters: Johnny Podgajny vs Lefty Wilkie | Sixth | 14½ out |
| Saturday, June 21 |
| » Defeated Phillies (17-42), 2-0 | Forbes Field (12-10) | 23-28 | Won 2 |
| » Starters: Lee Grissom vs Joe Bowman | Sixth | 14½ out |
| Sunday, June 22 |
| » Defeated Phillies (17-43), 4-1 | Forbes Field (13-10) | 24-28 | Won 3 |
| » Starters: Cy Blanton vs Rip Sewell | Sixth | 13½ out |
| » Lost to Phillies (18-43), 7-4 | Forbes Field (13-11) | 24-29 | |
| » Starters: Tommy Hughes vs Max Butcher | Sixth | 13½ out |
| Monday, June 23 |
| » Lost to Dodgers (42-21), 9-4 | Forbes Field (13-12) | 24-30 | Lost 2 |
| » Starters: Freddie Fitzsimmons vs Bob Klinger | Sixth | 14 out |
| Tuesday, June 24 |
| » Lost to Dodgers (43-21), 8-0 | Forbes Field (13-13) | 24-31 | Lost 3 |
| » Starters: Curt Davis vs Johnny Lanning | Sixth | 15 out |
| Wednesday, June 25 |
| » Lost to Dodgers (44-21), 5-4 | Forbes Field (13-14) | 24-32 | Lost 4 |
| » Starters: Hugh Casey vs Ken Heintzelman | Sixth | 16 out |
| Friday, June 27 |
| » Defeated Cubs (30-36), 4-2 | Wrigley Field (2-1) | 25-32 | |
| » Starters: Rip Sewell vs Claude Passeau | Sixth | 16 out |
| Saturday, June 28 |
| » Lost to Cubs (31-36), 3-2 | Wrigley Field (2-2) | 25-33 | |
| » Starters: Max Butcher vs Vern Olsen | Sixth | 16½ out |
| Sunday, June 29 |
| » Defeated Cubs (31-37), 8-2 | Wrigley Field (3-2) | 26-33 | |
| » Starters: Johnny Lanning vs Larry French | Fifth | 15½ out |
| » Defeated Cubs (31-38), 3-2 | Wrigley Field (4-2) | 27-33 | Won 2 |
| » Starters: Joe Bowman vs Bill Lee | Fifth | 15½ out |
| » Major-league debuts: Paul Erickson (Cubs) |
| Monday, June 30 |
| » Defeated Cardinals (47-23), 4-3 | Forbes Field (14-14) | 28-33 | Won 3 |
| » Starters: Harry Gumbert vs Ken Heintzelman | Fourth | 14½ out |
| Tuesday, July 1 |
| » Lost to Cardinals (48-23), 11-7 | Forbes Field (14-15) | 28-34 | |
| » Starters: Howie Krist vs Rip Sewell | Fifth | 15½ out |
| Wednesday, July 2 |
| » Defeated Reds (36-34), 8-3 | Forbes Field (15-15) | 29-34 | |
| » Starters: Paul Derringer vs Max Butcher | Fifth | 15 out |
| Friday, July 4 |
| » Lost to Reds (37-34), 6-0 | Crosley Field (1-4) | 29-35 | |
| » Starters: Johnny Lanning vs Bucky Walters | Sixth | 14½ out |
| » Defeated Reds (37-35), 6-4 | Crosley Field (2-4) | 30-35 | |
| » Starters: Joe Bowman vs Monte Pearson | Sixth | 14½ out |
| Saturday, July 5 |
| » Defeated Cubs (34-40), 9-6 | Forbes Field (16-15) | 31-35 | Won 2 |
| » Starters: Bill Lee vs Joe Sullivan | Fifth | 14½ out |
| Sunday, July 6 |
| » Defeated Cubs (34-41), 2-1 | Forbes Field (17-15) | 32-35 | Won 3 |
| » Starters: Claude Passeau vs Rip Sewell | Fifth | 14 out |
| » Defeated Cubs (34-42), 13-4 | Forbes Field (18-15) | 33-35 | Won 4 |
| » Starters: Charlie Root vs Max Butcher | Fifth | 14 out |
| Thursday, July 10 |
| » Defeated Phillies (20-55), 6-3 | Shibe Park (4-4) | 34-35 | Won 5 |
| » Starters: Rip Sewell vs Tommy Hughes | Fifth | 14 out |
| Saturday, July 12 |
| » Defeated Phillies (20-56), 6-1 | Shibe Park (5-4) | 35-35 | Won 6 |
| » Starters: Johnny Lanning vs Johnny Podgajny | Fifth | 13½ out |
| Sunday, July 13 |
| » Defeated Giants (40-34), 4-0 | Polo Grounds V (4-0) | 36-35 | Won 7 |
| » Starters: Ken Heintzelman vs Bill Lohrman | Fifth | 13½ out |
| » Lost to Giants (41-34), 8-2 | Polo Grounds V (4-1) | 36-36 | |
| » Starters: Max Butcher vs Hal Schumacher | Fifth | 13½ out |
| Monday, July 14 |
| » Lost to Giants (42-34), 3-2 | Polo Grounds V (4-2) | 36-37 | Lost 2 |
| » Starters: Rip Sewell vs Carl Hubbell | Fifth | 14½ out |
| Tuesday, July 15 |
| » Defeated Giants (42-35), 5-1 | Polo Grounds V (5-2) | 37-37 | |
| » Starters: Max Butcher vs Cliff Melton | Fifth | 15 out |
| Wednesday, July 16 |
| » Lost to Braves (32-46), 4-1 | Braves Field (1-3) | 37-38 | |
| » Starters: Johnny Lanning vs Jim Tobin | Fifth | 14½ out |
| » Defeated Braves (32-47), 13-5 | Braves Field (2-3) | 38-38 | |
| » Starters: Bob Klinger vs Bill Posedel | Fifth | 14½ out |
| Friday, July 18 |
| » Defeated Braves (32-48), 5-1 | Braves Field (3-3) | 39-38 | Won 2 |
| » Starters: Ken Heintzelman vs Art Johnson | Fifth | 14 out |
| » Lost to Braves (33-48), 4-3 | Braves Field (3-4) | 39-39 | |
| » Starters: Joe Sullivan vs Dick Errickson | Fifth | 14 out |
| » Major-league debuts: Skippy Roberge (Braves) |
| Sunday, July 20 |
| » Lost to Dodgers (57-28), 5-1 | Ebbets Field (2-3) | 39-40 | Lost 2 |
| » Starters: Rip Sewell vs Freddie Fitzsimmons | Fifth | 14 out |
| » Defeated Dodgers (57-29), 5-1 | Ebbets Field (3-3) | 40-40 | |
| » Starters: Johnny Lanning vs Whit Wyatt | Fifth | 14 out |
| Monday, July 21 |
| » Defeated Dodgers (57-30), 8-3 | Ebbets Field (4-3) | 41-40 | Won 2 |
| » Starters: Ken Heintzelman vs Newt Kimball | Fifth | 13 out |
| Tuesday, July 22 |
| » Defeated Phillies (21-63), 4-3 | Forbes Field (19-15) | 42-40 | Won 3 |
| » Starters: Johnny Podgajny vs Dutch Dietz | Fourth | 12 out |
| Wednesday, July 23 |
| » Defeated Phillies (21-64), 5-2 | Forbes Field (20-15) | 43-40 | Won 4 |
| » Starters: Cy Blanton vs Max Butcher | Fourth | 12 out |
| Thursday, July 24 |
| » Defeated Phillies (21-65), 3-2 | Forbes Field (21-15) | 44-40 | Won 5 |
| » Starters: Lee Grissom vs Joe Bowman | Fourth | 12 out |
| Friday, July 25 |
| » Defeated Dodgers (58-32), 8-4 | Forbes Field (22-15) | 45-40 | Won 6 |
| » Starters: Whit Wyatt vs Rip Sewell | Third | 10½ out |
| » Defeated Dodgers (58-33), 8-2 | Forbes Field (23-15) | 46-40 | Won 7 |
| » Starters: Curt Davis vs Johnny Lanning | Third | 10½ out |
| Saturday, July 26 |
| » Lost to Dodgers (59-33), 3-2 | Forbes Field (23-16) | 46-41 | |
| » Starters: Luke Hamlin vs Ken Heintzelman | Fourth | 11½ out |
| Sunday, July 27 |
| » Defeated Dodgers (59-34), 4-3 | Forbes Field (24-16) | 47-41 | |
| » Starters: Freddie Fitzsimmons vs Max Butcher | Third | 10½ out |
| » Defeated Dodgers (59-35), 8-0 | Forbes Field (25-16) | 48-41 | Won 2 |
| » Starters: Hugh Casey vs Rip Sewell | Third | 10½ out |
| Tuesday, July 29 |
| » Defeated Braves (37-55), 5-3 | Forbes Field (26-16) | 49-41 | Won 3 |
| » Starters: Al Javery vs Joe Sullivan | Third | 10 out |
| Wednesday, July 30 |
| » Lost to Braves (38-55), 3-2 | Forbes Field (26-17) | 49-42 | |
| » Starters: Jim Tobin vs Ken Heintzelman | Fourth | 11 out |
| Thursday, July 31 |
| » Defeated Braves (38-56), 9-8 | Forbes Field (27-17) | 50-42 | |
| » Starters: Dick Errickson vs Johnny Lanning | Fourth | 10 out |
| Friday, August 1 |
| » Defeated Giants (45-46), 6-3 | Forbes Field (28-17) | 51-42 | Won 2 |
| » Starters: Carl Hubbell vs Max Butcher | Fourth | 9 out |
| Saturday, August 2 |
| » Lost to Giants (46-46), 2-0 | Forbes Field (28-18) | 51-43 | |
| » Starters: Hal Schumacher vs Rip Sewell | Fourth | 10 out |
| Sunday, August 3 |
| » Defeated Giants (46-47), 5-4 | Forbes Field (29-18) | 52-43 | |
| » Starters: Bob Carpenter vs Ken Heintzelman | Third | 10 out |
| » Defeated Giants (46-48), 10-4 | Forbes Field (30-18) | 53-43 | Won 2 |
| » Starters: Johnnie Wittig vs Ken Heintzelman | Third | 10 out |
| Monday, August 4 |
| » Defeated Reds (53-46), 4-1 | Crosley Field (3-4) | 54-43 | Won 3 |
| » Starters: Johnny Lanning vs Junior Thompson | Third | 10 out |
| Tuesday, August 5 |
| » Defeated Reds (53-47), 7-5 | Crosley Field (4-4) | 55-43 | Won 4 |
| » Starters: Max Butcher vs Jim Turner | Third | 9 out |
| Wednesday, August 6 |
| » Defeated Cubs (45-57), 13-3 | Wrigley Field (5-2) | 56-43 | Won 5 |
| » Starters: Rip Sewell vs Tot Pressnell | Third | 8 out |
| Thursday, August 7 |
| » Defeated Cubs (45-58), 4-3 | Wrigley Field (6-2) | 57-43 | Won 6 |
| » Starters: Ken Heintzelman vs Jake Mooty | Third | 8 out |
| Friday, August 8 |
| » Lost to Cubs (46-58), 1-0 | Wrigley Field (6-3) | 57-44 | |
| » Starters: Johnny Lanning vs Paul Erickson | Third | 8½ out |
| Saturday, August 9 |
| » Defeated Cardinals (67-38), 5-4 | Sportsman's Park III (1-6) | 58-44 | |
| » Starters: Max Butcher vs Lon Warneke | Third | 7½ out |
| Sunday, August 10 |
| » Lost to Cardinals (68-38), 3-2 | Sportsman's Park III (1-7) | 58-45 | |
| » Starters: Rip Sewell vs Ernie White | Third | 9½ out |
| » Lost to Cardinals (69-38), 4-2 | Sportsman's Park III (1-8) | 58-46 | Lost 2 |
| » Starters: Ken Heintzelman vs Mort Cooper | Third | 9½ out |
| Wednesday, August 13 |
| » Lost to Cubs (47-62), 6-4 | Forbes Field (30-19) | 58-47 | Lost 3 |
| » Starters: Paul Erickson vs Johnny Lanning | Third | 10½ out |
| Thursday, August 14 |
| » Lost to Cubs (48-62), 6-2 | Forbes Field (30-20) | 58-48 | Lost 4 |
| » Starters: Claude Passeau vs Max Butcher | Third | 11 out |
| Saturday, August 16 |
| » Defeated Cardinals (71-40), 4-2 | Forbes Field (31-20) | 59-48 | |
| » Starters: Ernie White vs Ken Heintzelman | Third | 10 out |
| Sunday, August 17 |
| » Lost to Cardinals (72-40), 7-1 | Forbes Field (31-21) | 59-49 | |
| » Starters: Mort Cooper vs Max Butcher | Third | 10½ out |
| » Defeated Cardinals (72-41), 8-2 | Forbes Field (32-21) | 60-49 | |
| » Starters: Lon Warneke vs Rip Sewell | Third | 10½ out |
| Monday, August 18 |
| » Lost to Dodgers (73-40), 6-5 | Ebbets Field (4-4) | 60-50 | |
| » Starters: Johnny Lanning vs Freddie Fitzsimmons | Fourth | 11½ out |
| Tuesday, August 19 |
| » Lost to Dodgers (74-40), 9-0 | Ebbets Field (4-5) | 60-51 | Lost 2 |
| » Starters: Joe Sullivan vs Curt Davis | Fourth | 13½ out |
| » Lost to Dodgers (75-40), 6-2 | Ebbets Field (4-6) | 60-52 | Lost 3 |
| » Starters: Ken Heintzelman vs Tom Drake | Fourth | 13½ out |
| Wednesday, August 20 |
| » Lost to Dodgers (76-40), 7-6 | Ebbets Field (4-7) | 60-53 | Lost 4 |
| » Starters: Rip Sewell vs Kirby Higbe | Fourth | 14½ out |
| Thursday, August 21 |
| » Defeated Giants (56-57), 5-3 | Polo Grounds V (6-2) | 61-53 | |
| » Starters: Max Butcher vs Bill McGee | Fourth | 13½ out |
| Friday, August 22 |
| » Defeated Giants (56-58), 5-3 | Polo Grounds V (7-2) | 62-53 | Won 2 |
| » Starters: Johnny Lanning vs Bob Bowman | Fourth | 13½ out |
| Saturday, August 23 |
| » Lost to Giants (57-58), 5-3 | Polo Grounds V (7-3) | 62-54 | |
| » Starters: Dutch Dietz vs Hal Schumacher | Fourth | 13 out |
| » Defeated Giants (57-59), 4-3 | Polo Grounds V (8-3) | 63-54 | |
| » Starters: Ken Heintzelman vs Cliff Melton | Fourth | 13 out |
| Sunday, August 24 |
| » Lost to Braves (48-70), 4-3 | Braves Field (3-5) | 63-55 | |
| » Starters: Rip Sewell vs Art Johnson | Fourth | 13 out |
| » Defeated Braves (48-71), 7-3 | Braves Field (4-5) | 64-55 | |
| » Starters: Bob Klinger vs Al Javery | Fourth | 13 out |
| Tuesday, August 26 |
| » Lost to Braves (49-71), 4-3 | Braves Field (4-6) | 64-56 | |
| » Starters: Lefty Wilkie vs Jim Tobin | Fourth | 13 out |
| » Defeated Braves (49-72), 6-1 | Braves Field (5-6) | 65-56 | |
| » Starters: Max Butcher vs Dick Errickson | Fourth | 13 out |
| Wednesday, August 27 |
| » Defeated Phillies (35-87), 12-2 | Shibe Park (6-4) | 66-56 | Won 2 |
| » Starters: Johnny Lanning vs Cy Blanton | Fourth | 13 out |
| Thursday, August 28 |
| » Defeated Phillies (35-88), 3-2 | Shibe Park (7-4) | 67-56 | Won 3 |
| » Starters: Dutch Dietz vs Ike Pearson | Fourth | 12½ out |
| Saturday, August 30 |
| » Lost to Cubs (56-72), 4-1 | Wrigley Field (6-4) | 67-57 | |
| » Starters: Rip Sewell vs Paul Erickson | Fourth | 12½ out |
| Sunday, August 31 |
| » Defeated Cubs (56-73), 4-3 | Wrigley Field (7-4) | 68-57 | |
| » Starters: Max Butcher vs Claude Passeau | Fourth | 12½ out |
| Monday, September 1 |
| » Lost to Cardinals (82-45), 5-3 | Sportsman's Park III (1-9) | 68-58 | |
| » Starters: Ken Heintzelman vs Ernie White | Fourth | 14½ out |
| » Lost to Cardinals (83-45), 6-3 | Sportsman's Park III (1-10) | 68-59 | Lost 2 |
| » Starters: Bob Klinger vs Howie Pollet | Fourth | 14½ out |
| Wednesday, September 3 |
| » Defeated Reds (70-57), 3-2 | Forbes Field (33-21) | 69-59 | |
| » Starters: Elmer Riddle vs Johnny Lanning | Fourth | 14 out |
| Thursday, September 4 |
| » Defeated Reds (70-58), 4-0 | Forbes Field (34-21) | 70-59 | Won 2 |
| » Starters: Bucky Walters vs Rip Sewell | Fourth | 13½ out |
| Friday, September 5 |
| » Lost to Reds (71-58), 10-4 | Forbes Field (34-22) | 70-60 | |
| » Starters: Paul Derringer vs Max Butcher | Fourth | 13½ out |
| » Defeated Reds (71-59), 1-0 | Forbes Field (35-22) | 71-60 | |
| » Starters: Ray Starr vs Dutch Dietz | Fourth | 13½ out |
| Saturday, September 6 |
| » Defeated Cubs (60-75), 6-4 | Forbes Field (36-22) | 72-60 | Won 2 |
| » Starters: Jake Mooty vs Ken Heintzelman | Fourth | 13½ out |
| » Major-league debuts: Johnny Schmitz (Cubs) |
| Sunday, September 7 |
| » Lost to Cubs (61-75), 3-1 | Forbes Field (36-23) | 72-61 | |
| » Starters: Vallie Eaves vs Johnny Lanning | Fourth | 15 out |
| Tuesday, September 9 |
| » Lost to Giants (63-69), 4-2 | Forbes Field (36-24) | 72-62 | Lost 2 |
| » Starters: Hal Schumacher vs Rip Sewell | Fourth | 15½ out |
| » Major-league debuts: John Davis (Giants) |
| Wednesday, September 10 |
| » Defeated Giants (63-70), 10-7 | Forbes Field (37-24) | 73-62 | |
| » Starters: Harry Feldman vs Max Butcher | Fourth | 14 out |
| » Major-league debuts: Vinnie Smith (Pirates) Harry Feldman (Giants) |
| Thursday, September 11 |
| » Defeated Braves (55-79), 7-5 | Forbes Field (38-24) | 74-62 | Won 2 |
| » Starters: Manny Salvo vs Ken Heintzelman | Fourth | 14½ out |
| » Lost to Braves (56-79), 10-0 | Forbes Field (38-25) | 74-63 | |
| » Starters: Tom Earley vs Johnny Gee | Fourth | 14½ out |
| Friday, September 12 |
| » Defeated Braves (56-80), 6-3 | Forbes Field (39-25) | 75-63 | |
| » Starters: Art Johnson vs Dutch Dietz | Fourth | 14 out |
| » Lost to Braves (57-80), 5-0 | Forbes Field (39-26) | 75-64 | |
| » Starters: Al Javery vs Johnny Lanning | Fourth | 14 out |
| Saturday, September 13 |
| » Defeated Braves (57-81), 1-0 | Forbes Field (40-26) | 76-64 | |
| » Starters: Manny Salvo vs Dick Conger | Fourth | 14 out |
| Sunday, September 14 |
| » Defeated Phillies (39-98), 2-1 | Forbes Field (41-26) | 77-64 | Won 2 |
| » Starters: Lefty Hoerst vs Max Butcher | Fourth | 14½ out |
| » Lost to Phillies (40-98), 6-3 | Forbes Field (41-27) | 77-65 | |
| » Starters: Cy Blanton vs Rip Sewell | Fourth | 14½ out |
| Wednesday, September 17 |
| » Lost to Dodgers (93-51), 6-4 | Forbes Field (41-28) | 77-66 | Lost 2 |
| » Starters: Curt Davis vs Ken Heintzelman | Fourth | 15½ out |
| Thursday, September 18 |
| » Defeated Dodgers (93-52), 6-5 | Forbes Field (42-28) | 78-66 | |
| » Starters: Freddie Fitzsimmons vs Johnny Lanning | Fourth | 14½ out |
| Saturday, September 20 |
| » Lost to Reds (82-64), 2-1 | Crosley Field (4-5) | 78-67 | |
| » Starters: Max Butcher vs Bucky Walters | Fourth | 16½ out |
| » Lost to Reds (83-64), 7-3 | Crosley Field (4-6) | 78-68 | Lost 2 |
| » Starters: Nick Strincevich vs Paul Derringer | Fourth | 16½ out |
| » Major-league debuts: Billy Cox (Pirates) |
| Future Pirate Dennis Ribant is born in Detroit, MI. |
| Sunday, September 21 |
| » Lost to Reds (84-64), 2-0 | Crosley Field (4-7) | 78-69 | Lost 3 |
| » Starters: Dutch Dietz vs Elmer Riddle | Fourth | 17 out |
| Tuesday, September 23 |
| » Defeated Cardinals (94-54), 4-0 | Forbes Field (43-28) | 79-69 | |
| » Starters: Mort Cooper vs Ken Heintzelman | Fourth | 17½ out |
| » Lost to Cardinals (95-54), 9-0 | Forbes Field (43-29) | 79-70 | |
| » Starters: Max Lanier vs Rip Sewell | Fourth | 17½ out |
| » Major-league debuts: Whitey Kurowski (Cardinals) |
| Wednesday, September 24 |
| » Lost to Cardinals (96-54), 4-0 | Forbes Field (43-30) | 79-71 | Lost 2 |
| » Starters: Harry Gumbert vs Johnny Lanning | Fourth | 18½ out |
| Thursday, September 25 |
| » Defeated Cardinals (96-55), 3-1 | Forbes Field (44-30) | 80-71 | |
| » Starters: Ernie White vs Max Butcher | Fourth | 18½ out |
| Friday, September 26 |
| » Lost to Reds (87-65), 4-3 | Forbes Field (44-31) | 80-72 | |
| » Starters: Johnny Vander Meer vs Bill Brandt | Fourth | 19 out |
| Saturday, September 27 |
| » Lost to Reds (88-65), 15-9 | Forbes Field (44-32) | 80-73 | Lost 2 |
| » Starters: Elmer Riddle vs Johnny Gee | Fourth | 19 out |
| Sunday, September 28 |
| » Defeated Reds (88-66), 3-2 | Forbes Field (45-32) | 81-73 | |
| » Starters: Bucky Walters vs Bill Clemensen | Fourth | 19 out |
| Tuesday, October 21 |
| Future Pirate Ron Davis is born in Roanoke Rapids, NC. |
| Wednesday, October 22 |
| Future Pirate Wilbur Wood is born in Cambridge, MA. |
| Saturday, October 25 |
| Former Pirate Bill Phillips dies in Charleroi, PA at the age of 73. |
| Tuesday, November 25 |
| Future Pirate Mike Ryan is born in Haverhill, MA. |
Game information provided by Retrosheet (www.retrosheet.org) |