| Thursday, January 20 |
| Future Pirate Carl Taylor is born in Sarasota, FL. |
| Wednesday, February 9 |
| Future Pirate Jim Campanis is born in New York, NY. |
| Saturday, February 19 |
| Future Pirate Chris Zachary is born in Knoxville, TN. |
| Thursday, March 9 |
| Future Pirate Ed Acosta is born in Boquete, Panama. |
| Friday, March 17 |
| Future Pirate Cito Gaston is born in San Antonio, TX. |
| Tuesday, March 21 |
| Future Pirate Manny Sanguillen is born in Colon, Panama. |
| Wednesday, March 22 |
| Former Pirate Claude Hendrix dies in Allentown, PA at the age of 55. |
| Tuesday, April 18 |
| » Lost to Cardinals (1-0), 2-0 | Sportsman's Park III (0-1) | 0-1 | |
| » Starters: Preacher Roe vs Max Lanier | Second | 1 out |
| Thursday, April 20 |
| » Lost to Cardinals (2-0), 5-3 | Sportsman's Park III (0-2) | 0-2 | Lost 2 |
| » Starters: Cookie Cuccurullo vs Mort Cooper | Fifth | 2½ out |
| Friday, April 21 |
| » Lost to Reds (3-1), 4-2 | Forbes Field (0-1) | 0-3 | Lost 3 |
| » Starters: Joe Beggs vs Rip Sewell | Seventh | 3½ out |
| Tuesday, April 25 |
| » Major-league debuts: Freddy Schmidt and Ted Wilks (Cardinals) |
| Wednesday, April 26 |
| » Defeated Cubs (1-6), 6-1 | Forbes Field (1-1) | 1-3 | |
| » Starters: Bill Fleming vs Preacher Roe | Fifth | 3 out |
| Friday, April 28 |
| » Lost to Reds (6-2), 2-0 | Crosley Field (0-1) | 1-4 | |
| » Starters: Max Butcher vs Ed Heusser | Sixth | 4 out |
| Saturday, April 29 |
| » Defeated Reds (6-3), 7-3 | Crosley Field (1-1) | 2-4 | |
| » Starters: Rip Sewell vs Bob Ferguson | Sixth | 3½ out |
| Sunday, April 30 |
| » Defeated Reds (6-4), 7-1 | Crosley Field (2-1) | 3-4 | Won 2 |
| » Starters: Nick Strincevich vs Elmer Riddle | Sixth | 4½ out |
| » Lost to Reds (7-4), 4-1 | Crosley Field (2-2) | 3-5 | |
| » Starters: Xavier Rescigno vs Bucky Walters | Sixth | 4½ out |
| Monday, May 1 |
| » Major-league debuts: Joe Wood (Red Sox) |
| Tuesday, May 2 |
| » Defeated Cardinals (9-3), 3-1 | Forbes Field (2-1) | 4-5 | |
| » Starters: Al Jurisich vs Preacher Roe | Fourth | 3½ out |
| Wednesday, May 3 |
| » Lost to Cardinals (10-3), 5-1 | Forbes Field (2-2) | 4-6 | |
| » Starters: Harry Gumbert vs Rip Sewell | Fifth | 4½ out |
| Thursday, May 4 |
| » Defeated Cardinals (10-4), 6-3 | Forbes Field (3-2) | 5-6 | |
| » Starters: Mort Cooper vs Max Butcher | Fourth | 3½ out |
| Saturday, May 6 |
| » Major-league debuts: Blix Donnelly (Cardinals) |
| Sunday, May 7 |
| » Defeated Cubs (1-11), 6-5 | Wrigley Field (1-0) | 6-6 | Won 2 |
| » Starters: Rip Sewell vs Ed Hanyzewski | Fourth | 3 out |
| » Defeated Cubs (1-12), 3-2 | Wrigley Field (2-0) | 7-6 | Won 3 |
| » Starters: Preacher Roe vs Hank Wyse | Fourth | 3 out |
| Wednesday, May 10 |
| » Defeated Braves (7-12), 4-2 | Forbes Field (4-2) | 8-6 | Won 4 |
| » Starters: Al Javery vs Nick Strincevich | Fourth | 3 out |
| Thursday, May 11 |
| » Lost to Braves (8-12), 7-2 | Forbes Field (4-3) | 8-7 | |
| » Starters: Jim Tobin vs Max Butcher | Fourth | 3 out |
| Friday, May 12 |
| » Lost to Braves (9-12), 10-3 | Forbes Field (4-4) | 8-8 | Lost 2 |
| » Starters: Nate Andrews vs Preacher Roe | Fourth | 4 out |
| Saturday, May 13 |
| » Lost to Braves (10-12), 16-2 | Forbes Field (4-5) | 8-9 | Lost 3 |
| » Starters: Red Barrett vs Xavier Rescigno | Sixth | 5 out |
| Sunday, May 14 |
| » Defeated Giants (10-12), 1-0 | Forbes Field (5-5) | 9-9 | |
| » Starters: Bill Voiselle vs Rip Sewell | Fourth | 5 out |
| » Defeated Giants (10-13), 8-2 | Forbes Field (6-5) | 10-9 | Won 2 |
| » Starters: Ewald Pyle vs Nick Strincevich | Fourth | 5 out |
| » Major-league debuts: Danny Gardella (Giants) |
| Monday, May 15 |
| » Lost to Giants (11-13), 8-7 | Forbes Field (6-6) | 10-10 | |
| » Starters: Rube Fischer vs Max Butcher | Fourth | 6 out |
| Wednesday, May 17 |
| » Defeated Dodgers (11-13), 8-5 | Forbes Field (7-6) | 11-10 | |
| » Starters: Cal McLish vs Preacher Roe | Fourth | 5 out |
| Thursday, May 18 |
| » Defeated Dodgers (11-14), 4-3 | Forbes Field (8-6) | 12-10 | Won 2 |
| » Starters: Rube Melton vs Xavier Rescigno | Fourth | 5 out |
| Friday, May 19 |
| » Defeated Dodgers (11-15), 5-2 | Forbes Field (9-6) | 13-10 | Won 3 |
| » Starters: Les Webber vs Rip Sewell | Third | 4 out |
| Saturday, May 20 |
| » Defeated Phillies (13-12), 4-3 | Forbes Field (10-6) | 14-10 | Won 4 |
| » Starters: Al Gerheauser vs Nick Strincevich | Second | 4 out |
| Sunday, May 21 |
| » Defeated Phillies (13-13), 4-3 | Forbes Field (11-6) | 15-10 | Won 5 |
| » Starters: Charley Schanz vs Preacher Roe | Third | 4 out |
| » Lost to Phillies (14-13), 9-4 | Forbes Field (11-7) | 15-11 | |
| » Starters: Bill Lee vs Cookie Cuccurullo | Third | 4 out |
| Wednesday, May 24 |
| » Defeated Braves (14-19), 8-1 | Braves Field (1-0) | 16-11 | |
| » Starters: Rip Sewell vs Jim Tobin | Second | 3½ out |
| Thursday, May 25 |
| » Lost to Braves (15-19), 1-0 | Braves Field (1-1) | 16-12 | |
| » Starters: Nick Strincevich vs Al Javery | Third | 4 out |
| Friday, May 26 |
| » Defeated Braves (15-20), 7-5 | Braves Field (2-1) | 17-12 | |
| » Starters: Preacher Roe vs Nate Andrews | Third | 4 out |
| Sunday, May 28 |
| » Defeated Phillies (14-16), 4-0 | Shibe Park (1-0) | 18-12 | Won 2 |
| » Starters: Rip Sewell vs Charley Schanz | Second | 4½ out |
| » Lost to Phillies (15-16), 8-2 | Shibe Park (1-1) | 18-13 | |
| » Starters: Nick Strincevich vs Dick Barrett | Second | 4½ out |
| Monday, May 29 |
| » Defeated Phillies (15-17), 3-2 | Shibe Park (2-1) | 19-13 | |
| » Starters: Preacher Roe vs Ken Raffensberger | Second | 3½ out |
| Tuesday, May 30 |
| » Lost to Dodgers (16-20), 9-3 | Ebbets Field (0-1) | 19-14 | |
| » Starters: Max Butcher vs Wes Flowers | Third | 4½ out |
| » Lost to Dodgers (17-20), 4-3 | Ebbets Field (0-2) | 19-15 | Lost 2 |
| » Starters: Xavier Rescigno vs Hal Gregg | Third | 4½ out |
| Wednesday, May 31 |
| » Lost to Dodgers (18-20), 8-4 | Ebbets Field (0-3) | 19-16 | Lost 3 |
| » Starters: Nick Strincevich vs Cal McLish | Third | 4½ out |
| Thursday, June 1 |
| » Defeated Dodgers (18-21), 2-1 | Ebbets Field (1-3) | 20-16 | |
| » Starters: Rip Sewell vs Curt Davis | Third | 4½ out |
| Friday, June 2 |
| » Lost to Giants (20-20), 6-4 | Polo Grounds V (0-1) | 20-17 | |
| » Starters: Preacher Roe vs Rube Fischer | Third | 5½ out |
| Saturday, June 3 |
| » Defeated Giants (20-21), 7-6 | Polo Grounds V (1-1) | 21-17 | |
| » Starters: Max Butcher vs Harry Feldman | Second | 5½ out |
| Sunday, June 4 |
| » Defeated Giants (20-22), 9-4 | Polo Grounds V (2-1) | 22-17 | Won 2 |
| » Starters: Fritz Ostermueller vs Bill Voiselle | Second | 4½ out |
| » Defeated Giants (20-23), 7-4 | Polo Grounds V (3-1) | 23-17 | Won 3 |
| » Starters: Nick Strincevich vs Ewald Pyle | Second | 4½ out |
| Wednesday, June 7 |
| » Defeated Reds (24-19), 4-2 | Forbes Field (12-7) | 24-17 | Won 4 |
| » Starters: Tommy DeLa Cruz vs Rip Sewell | Second | 4 out |
| Thursday, June 8 |
| » Lost to Cubs (14-25), 10-6 | Forbes Field (12-8) | 24-18 | |
| » Starters: Hank Wyse vs Preacher Roe | Second | 4 out |
| Friday, June 9 |
| » Tied Cubs, 3-3 | Forbes Field (12-8) | 24-18 | |
| » Starters: Claude Passeau vs Fritz Ostermueller | Second | 4 out |
| Saturday, June 10 |
| » Defeated Cubs (14-26), 9-4 | Forbes Field (13-8) | 25-18 | |
| » Starters: Paul Derringer vs Ray Starr | Second | 4 out |
| Sunday, June 11 |
| » Lost to Cubs (15-26), 5-0 | Forbes Field (13-9) | 25-19 | |
| » Starters: Paul Erickson vs Max Butcher | Second | 6 out |
| » Lost to Cubs (16-26), 1-0 | Forbes Field (13-10) | 25-20 | Lost 2 |
| » Starters: Bob Chipman vs Nick Strincevich | Second | 6 out |
| Monday, June 12 |
| » Major-league debuts: Ralph Branca (Dodgers) |
| Tuesday, June 13 |
| » Defeated Reds (25-23), 3-2 | Crosley Field (3-2) | 26-20 | |
| » Starters: Ray Starr vs Ed Heusser | Second | 6 out |
| Wednesday, June 14 |
| » Lost to Reds (26-23), 3-2 | Crosley Field (3-3) | 26-21 | |
| » Starters: Fritz Ostermueller vs Bucky Walters | Second | 7 out |
| Thursday, June 15 |
| » Defeated Reds (26-24), 1-0 | Crosley Field (4-3) | 27-21 | |
| » Starters: Max Butcher vs Tommy DeLa Cruz | Second | 6½ out |
| Saturday, June 17 |
| » Lost to Cardinals (35-15), 2-1 | Sportsman's Park III (0-3) | 27-22 | |
| » Starters: Preacher Roe vs Red Munger | Second | 7½ out |
| Sunday, June 18 |
| » Lost to Cardinals (36-15), 12-2 | Sportsman's Park III (0-4) | 27-23 | Lost 2 |
| » Starters: Rip Sewell vs Mort Cooper | Second | 7½ out |
| » Defeated Cardinals (36-16), 3-1 | Sportsman's Park III (1-4) | 28-23 | |
| » Starters: Fritz Ostermueller vs Max Lanier | Second | 7½ out |
| Tuesday, June 20 |
| » Lost to Reds (29-25), 3-0 | Forbes Field (13-11) | 28-24 | |
| » Starters: Bucky Walters vs Max Butcher | Second | 8½ out |
| Wednesday, June 21 |
| » Defeated Reds (29-26), 2-1 | Forbes Field (14-11) | 29-24 | |
| » Starters: Ed Heusser vs Ray Starr | Second | 9 out |
| Thursday, June 22 |
| » Defeated Reds (29-27), 9-4 | Forbes Field (15-11) | 30-24 | Won 2 |
| » Starters: Arnold Carter vs Rip Sewell | Second | 8 out |
| » Defeated Reds (29-28), 7-4 | Forbes Field (16-11) | 31-24 | Won 3 |
| » Starters: Harry Gumbert vs Nick Strincevich | Second | 8 out |
| Friday, June 23 |
| » Tied Cardinals, 5-5 | Forbes Field (16-11) | 31-24 | |
| » Starters: Max Lanier vs Preacher Roe | Second | 8 out |
| Saturday, June 24 |
| » Lost to Cardinals (40-16), 16-0 | Forbes Field (16-12) | 31-25 | |
| » Starters: Mort Cooper vs Fritz Ostermueller | Second | 9 out |
| Sunday, June 25 |
| » Lost to Cardinals (41-16), 2-1 | Forbes Field (16-13) | 31-26 | Lost 2 |
| » Starters: Red Munger vs Rip Sewell | Second | 10 out |
| » Tied Cardinals, 5-5 | Forbes Field (16-13) | 31-26 | |
| » Starters: Al Jurisich vs Ray Starr | Second | 10 out |
| Wednesday, June 28 |
| » Defeated Giants (32-30), 9-2 | Forbes Field (17-13) | 32-26 | |
| » Starters: Rube Fischer vs Max Butcher | Second | 8½ out |
| Thursday, June 29 |
| » Tied Giants, 1-1 | Forbes Field (17-13) | 32-26 | |
| » Starters: Bill Voiselle vs Nick Strincevich | Second | 8 out |
| Friday, June 30 |
| » Lost to Giants (33-30), 7-5 | Forbes Field (17-14) | 32-27 | |
| » Starters: Harry Feldman vs Rip Sewell | Second | 8½ out |
| » Defeated Giants (33-31), 9-8 | Forbes Field (18-14) | 33-27 | |
| » Starters: Andy Hansen vs Fritz Ostermueller | Second | 8½ out |
| » Major-league debuts: Andy Hansen (Giants) |
| Saturday, July 1 |
| » Defeated Braves (27-40), 5-1 | Forbes Field (19-14) | 34-27 | Won 2 |
| » Starters: Jim Tobin vs Ray Starr | Second | 8½ out |
| Sunday, July 2 |
| » Lost to Braves (28-40), 4-1 | Forbes Field (19-15) | 34-28 | |
| » Starters: Nate Andrews vs Preacher Roe | Second | 9½ out |
| » Defeated Braves (28-41), 7-6 | Forbes Field (20-15) | 35-28 | |
| » Starters: Al Javery vs Nick Strincevich | Second | 9½ out |
| Tuesday, July 4 |
| » Lost to Phillies (29-37), 3-2 | Forbes Field (20-16) | 35-29 | |
| » Starters: Al Gerheauser vs Rip Sewell | Second | 10½ out |
| » Defeated Phillies (29-38), 4-0 | Forbes Field (21-16) | 36-29 | |
| » Starters: Bill Lee vs Max Butcher | Second | 10½ out |
| Wednesday, July 5 |
| » Lost to Phillies (30-38), 12-2 | Forbes Field (21-17) | 36-30 | |
| » Starters: Dick Barrett vs Ray Starr | Third | 11½ out |
| Thursday, July 6 |
| » Defeated Phillies (30-39), 6-5 | Forbes Field (22-17) | 37-30 | |
| » Starters: Ken Raffensberger vs Nick Strincevich | Third | 10½ out |
| Friday, July 7 |
| » Defeated Dodgers (33-41), 13-2 | Forbes Field (23-17) | 38-30 | Won 2 |
| » Starters: Rube Melton vs Fritz Ostermueller | Second | 9½ out |
| Saturday, July 8 |
| » Defeated Dodgers (33-42), 8-5 | Forbes Field (24-17) | 39-30 | Won 3 |
| » Starters: Cal McLish vs Rip Sewell | Second | 9½ out |
| Sunday, July 9 |
| » Defeated Dodgers (33-43), 10-1 | Forbes Field (25-17) | 40-30 | Won 4 |
| » Starters: Ed Head vs Preacher Roe | Second | 9½ out |
| » Defeated Dodgers (33-44), 9-7 | Forbes Field (26-17) | 41-30 | Won 5 |
| » Starters: Curt Davis vs Max Butcher | Second | 9½ out |
| Thursday, July 13 |
| » Defeated Cubs (29-41), 3-2 | Wrigley Field (3-0) | 42-30 | Won 6 |
| » Starters: Fritz Ostermueller vs Hank Wyse | Second | 9½ out |
| Friday, July 14 |
| » Lost to Cubs (30-41), 11-5 | Wrigley Field (3-1) | 42-31 | |
| » Starters: Ray Starr vs Bob Chipman | Second | 9½ out |
| Saturday, July 15 |
| » Lost to Cubs (31-41), 4-3 | Wrigley Field (3-2) | 42-32 | Lost 2 |
| » Starters: Preacher Roe vs Bill Fleming | Second | 10½ out |
| Sunday, July 16 |
| » Lost to Cubs (32-41), 1-0 | Wrigley Field (3-3) | 42-33 | Lost 3 |
| » Starters: Rip Sewell vs Hank Wyse | Second | 10½ out |
| » Defeated Cubs (32-42), 1-0 | Wrigley Field (4-3) | 43-33 | |
| » Starters: Max Butcher vs Claude Passeau | Second | 10½ out |
| Tuesday, July 18 |
| » Lost to Giants (40-40), 5-2 | Polo Grounds V (3-2) | 43-34 | |
| » Starters: Fritz Ostermueller vs Bill Voiselle | Second | 11½ out |
| Wednesday, July 19 |
| » Lost to Phillies (34-43), 4-2 | Shibe Park (2-2) | 43-35 | Lost 2 |
| » Starters: Nick Strincevich vs Ken Raffensberger | Second | 12 out |
| Thursday, July 20 |
| » Defeated Phillies (34-44), 4-1 | Shibe Park (3-2) | 44-35 | |
| » Starters: Ray Starr vs Bill Lee | Second | 13 out |
| » Lost to Phillies (35-44), 3-2 | Shibe Park (3-3) | 44-36 | |
| » Starters: Rip Sewell vs Dick Barrett | Second | 13 out |
| Friday, July 21 |
| » Defeated Phillies (35-45), 5-3 | Shibe Park (4-3) | 45-36 | |
| » Starters: Max Butcher vs Al Gerheauser | Second | 13 out |
| Saturday, July 22 |
| » Defeated Dodgers (35-50), 11-0 | Ebbets Field (2-3) | 46-36 | Won 2 |
| » Starters: Fritz Ostermueller vs Tommy Warren | Second | 12 out |
| Sunday, July 23 |
| » Defeated Dodgers (35-51), 7-5 | Ebbets Field (3-3) | 47-36 | Won 3 |
| » Starters: Preacher Roe vs Hal Gregg | Second | 12 out |
| » Defeated Dodgers (35-52), 9-4 | Ebbets Field (4-3) | 48-36 | Won 4 |
| » Starters: Ray Starr vs Les Webber | Second | 12 out |
| Monday, July 24 |
| » Lost to Dodgers (36-52), 12-7 | Ebbets Field (4-4) | 48-37 | |
| » Starters: Rip Sewell vs Cal McLish | Second | 13 out |
| Tuesday, July 25 |
| » Defeated Giants (42-46), 15-0 | Polo Grounds V (4-2) | 49-37 | |
| » Starters: Max Butcher vs Bob Barthelson | Second | 13 out |
| Wednesday, July 26 |
| » Defeated Giants (42-47), 6-5 | Polo Grounds V (5-2) | 50-37 | Won 2 |
| » Starters: Fritz Ostermueller vs Harry Feldman | Second | 13 out |
| Friday, July 28 |
| » Lost to Giants (43-47), 4-0 | Polo Grounds V (5-3) | 50-38 | |
| » Starters: Preacher Roe vs Bill Voiselle | Second | 14½ out |
| Saturday, July 29 |
| » Defeated Braves (37-56), 3-0 | Braves Field (3-1) | 51-38 | |
| » Starters: Rip Sewell vs Jim Tobin | Second | 15 out |
| Sunday, July 30 |
| » Lost to Braves (38-56), 6-4 | Braves Field (3-2) | 51-39 | |
| » Starters: Max Butcher vs Red Barrett | Third | 16 out |
| » Lost to Braves (39-56), 2-0 | Braves Field (3-3) | 51-40 | Lost 2 |
| » Starters: Nick Strincevich vs Al Javery | Third | 16 out |
| Monday, July 31 |
| » Defeated Braves (39-57), 9-2 | Braves Field (4-3) | 52-40 | |
| » Starters: Fritz Ostermueller vs Nate Andrews | Second | 15 out |
| Tuesday, August 1 |
| » Defeated Braves (39-58), 13-8 | Braves Field (5-3) | 53-40 | Won 2 |
| » Starters: Ray Starr vs Jim Tobin | Second | 15 out |
| Wednesday, August 2 |
| » Lost to Cardinals (70-26), 8-4 | Forbes Field (26-18) | 53-41 | |
| » Starters: Max Lanier vs Rip Sewell | Second | 16 out |
| Thursday, August 3 |
| » Lost to Cardinals (71-26), 15-2 | Forbes Field (26-19) | 53-42 | Lost 2 |
| » Starters: Ted Wilks vs Preacher Roe | Third | 17 out |
| Friday, August 4 |
| » Lost to Cubs (45-47), 4-3 | Forbes Field (26-20) | 53-43 | Lost 3 |
| » Starters: Hank Wyse vs Max Butcher | Third | 17 out |
| Saturday, August 5 |
| » Lost to Cubs (46-47), 7-2 | Forbes Field (26-21) | 53-44 | Lost 4 |
| » Starters: Bill Fleming vs Fritz Ostermueller | Third | 17½ out |
| Sunday, August 6 |
| » Defeated Cubs (46-48), 13-5 | Forbes Field (27-21) | 54-44 | |
| » Starters: Hy Vandenberg vs Cookie Cuccurullo | Third | 17 out |
| » Defeated Cubs (46-49), 5-4 | Forbes Field (28-21) | 55-44 | Won 2 |
| » Starters: Bob Chipman vs Nick Strincevich | Third | 17 out |
| Tuesday, August 8 |
| » Lost to Giants (50-51), 8-4 | Forbes Field (28-22) | 55-45 | |
| » Starters: Bill Voiselle vs Max Butcher | Third | 17½ out |
| Wednesday, August 9 |
| » Defeated Giants (50-52), 4-3 | Forbes Field (29-22) | 56-45 | |
| » Starters: Rube Fischer vs Fritz Ostermueller | Third | 17½ out |
| Thursday, August 10 |
| » Defeated Giants (50-53), 10-4 | Forbes Field (30-22) | 57-45 | Won 2 |
| » Starters: Jack Brewer vs Rip Sewell | Second | 17½ out |
| Friday, August 11 |
| » Defeated Giants (50-54), 12-8 | Forbes Field (31-22) | 58-45 | Won 3 |
| » Starters: Harry Feldman vs Nick Strincevich | Second | 17½ out |
| Saturday, August 12 |
| » Defeated Giants (50-55), 8-0 | Forbes Field (32-22) | 59-45 | Won 4 |
| » Starters: Bill Voiselle vs Max Butcher | Second | 16½ out |
| Sunday, August 13 |
| » Defeated Braves (43-63), 8-1 | Forbes Field (33-22) | 60-45 | Won 5 |
| » Starters: Jim Tobin vs Rip Sewell | Second | 16½ out |
| » Defeated Braves (43-64), 3-1 | Forbes Field (34-22) | 61-45 | Won 6 |
| » Starters: Johnny Hutchings vs Fritz Ostermueller | Second | 16½ out |
| Monday, August 14 |
| » Defeated Braves (43-65), 5-0 | Forbes Field (35-22) | 62-45 | Won 7 |
| » Starters: Red Barrett vs Preacher Roe | Second | 16½ out |
| Tuesday, August 15 |
| » Defeated Braves (43-66), 7-5 | Forbes Field (36-22) | 63-45 | Won 8 |
| » Starters: Ben Cardoni vs Cookie Cuccurullo | Second | 16½ out |
| Thursday, August 17 |
| » Defeated Phillies (41-63), 7-6 | Forbes Field (37-22) | 64-45 | Won 9 |
| » Starters: Bill Lee vs Fritz Ostermueller | Second | 16½ out |
| » Defeated Phillies (41-64), 6-5 | Forbes Field (38-22) | 65-45 | Won 10 |
| » Starters: Charley Schanz vs Max Butcher | Second | 16½ out |
| Friday, August 18 |
| » Lost to Phillies (42-64), 3-2 | Forbes Field (38-23) | 65-46 | |
| » Starters: Ken Raffensberger vs Rip Sewell | Second | 17½ out |
| Saturday, August 19 |
| » Defeated Phillies (42-65), 5-3 | Forbes Field (39-23) | 66-46 | |
| » Starters: Al Gerheauser vs Preacher Roe | Second | 17½ out |
| Sunday, August 20 |
| » Defeated Dodgers (45-71), 10-7 | Forbes Field (40-23) | 67-46 | Won 2 |
| » Starters: Tom Sunkel vs Max Butcher | Second | 16½ out |
| » Defeated Dodgers (45-72), 7-1 | Forbes Field (41-23) | 68-46 | Won 3 |
| » Starters: Whit Wyatt vs Nick Strincevich | Second | 16½ out |
| Monday, August 21 |
| » Defeated Dodgers (45-73), 7-6 | Forbes Field (42-23) | 69-46 | Won 4 |
| » Starters: Hal Gregg vs Fritz Ostermueller | Second | 16 out |
| Tuesday, August 22 |
| » Defeated Dodgers (45-74), 7-5 | Forbes Field (43-23) | 70-46 | Won 5 |
| » Starters: Curt Davis vs Rip Sewell | Second | 16½ out |
| Friday, August 25 |
| » Lost to Cardinals (89-29), 4-0 | Sportsman's Park III (1-5) | 70-47 | |
| » Starters: Preacher Roe vs Freddy Schmidt | Second | 18½ out |
| Sunday, August 27 |
| » Defeated Cardinals (89-30), 14-6 | Sportsman's Park III (2-5) | 71-47 | |
| » Starters: Nick Strincevich vs Max Lanier | Second | 17½ out |
| » Tied Cardinals, 1-1 | Sportsman's Park III (2-5) | 71-47 | |
| » Starters: Fritz Ostermueller vs Harry Brecheen | Second | 17½ out |
| Tuesday, August 29 |
| » Lost to Cubs (52-64), 15-4 | Wrigley Field (4-4) | 71-48 | |
| » Starters: Max Butcher vs Paul Derringer | Second | 18½ out |
| » Defeated Cubs (52-65), 5-4 | Wrigley Field (5-4) | 72-48 | |
| » Starters: Preacher Roe vs Claude Passeau | Second | 18½ out |
| Wednesday, August 30 |
| » Lost to Cubs (53-65), 12-5 | Wrigley Field (5-5) | 72-49 | |
| » Starters: Rip Sewell vs Hank Wyse | Second | 19½ out |
| » Lost to Cubs (54-65), 6-3 | Wrigley Field (5-6) | 72-50 | Lost 2 |
| » Starters: Nick Strincevich vs Bob Chipman | Second | 19½ out |
| Friday, September 1 |
| » Defeated Cardinals (91-31), 3-2 | Forbes Field (44-23) | 73-50 | |
| » Starters: Max Lanier vs Fritz Ostermueller | Second | 18½ out |
| Saturday, September 2 |
| » Defeated Cardinals (91-32), 5-4 | Forbes Field (45-23) | 74-50 | Won 2 |
| » Starters: Freddy Schmidt vs Preacher Roe | Second | 17½ out |
| Sunday, September 3 |
| » Defeated Cardinals (91-33), 6-5 | Forbes Field (46-23) | 75-50 | Won 3 |
| » Starters: Mort Cooper vs Rip Sewell | Second | 15½ out |
| » Defeated Cardinals (91-34), 8-2 | Forbes Field (47-23) | 76-50 | Won 4 |
| » Starters: Harry Brecheen vs Nick Strincevich | Second | 15½ out |
| Monday, September 4 |
| » Lost to Cubs (58-66), 6-3 | Forbes Field (47-24) | 76-51 | |
| » Starters: Paul Erickson vs Max Butcher | Second | 16 out |
| » Defeated Cubs (58-67), 4-3 | Forbes Field (48-24) | 77-51 | |
| » Starters: Hy Vandenberg vs Xavier Rescigno | Second | 16 out |
| Thursday, September 7 |
| » Lost to Reds (70-56), 2-1 | Crosley Field (4-4) | 77-52 | |
| » Starters: Fritz Ostermueller vs Ed Heusser | Second | 17 out |
| Saturday, September 9 |
| » Lost to Reds (71-56), 3-2 | Crosley Field (4-5) | 77-53 | Lost 2 |
| » Starters: Rip Sewell vs Clyde Shoun | Second | 17 out |
| Sunday, September 10 |
| » Defeated Reds (71-57), 7-5 | Crosley Field (5-5) | 78-53 | |
| » Starters: Nick Strincevich vs Bucky Walters | Second | 17 out |
| » Lost to Reds (72-57), 2-0 | Crosley Field (5-6) | 78-54 | |
| » Starters: Max Butcher vs Arnold Carter | Second | 17 out |
| Monday, September 11 |
| Future Pirate Dave Roberts is born in Gallipolis, OH. |
| Tuesday, September 12 |
| » Defeated Cardinals (95-38), 5-3 | Sportsman's Park III (3-5) | 79-54 | |
| » Starters: Fritz Ostermueller vs Freddy Schmidt | Second | 15 out |
| » Defeated Cardinals (95-39), 6-5 | Sportsman's Park III (4-5) | 80-54 | Won 2 |
| » Starters: Preacher Roe vs Bud Byerly | Second | 15 out |
| Wednesday, September 13 |
| » Defeated Cardinals (95-40), 7-3 | Sportsman's Park III (5-5) | 81-54 | Won 3 |
| » Starters: Rip Sewell vs Harry Brecheen | Second | 13 out |
| » Defeated Cardinals (95-41), 10-5 | Sportsman's Park III (6-5) | 82-54 | Won 4 |
| » Starters: Xavier Rescigno vs Max Lanier | Second | 13 out |
| Friday, September 15 |
| » Lost to Reds (76-59), 5-3 | Forbes Field (48-25) | 82-55 | |
| » Starters: Bucky Walters vs Nick Strincevich | Second | 13½ out |
| Saturday, September 16 |
| » Lost to Reds (77-59), 2-1 | Forbes Field (48-26) | 82-56 | Lost 2 |
| » Starters: Tommy DeLa Cruz vs Max Butcher | Second | 14 out |
| » Lost to Reds (78-59), 3-1 | Forbes Field (48-27) | 82-57 | Lost 3 |
| » Starters: Arnold Carter vs Ray Starr | Second | 14 out |
| Future Pirate Chuck Brinkman is born in Cincinnati, OH. |
| Sunday, September 17 |
| » Defeated Reds (78-60), 7-1 | Forbes Field (49-27) | 83-57 | |
| » Starters: Clyde Shoun vs Rip Sewell | Second | 13 out |
| » Lost to Reds (79-60), 2-1 | Forbes Field (49-28) | 83-58 | |
| » Starters: Harry Gumbert vs Fritz Ostermueller | Second | 13 out |
| Wednesday, September 20 |
| » Defeated Dodgers (58-84), 2-1 | Ebbets Field (5-4) | 84-58 | |
| » Starters: Nick Strincevich vs John Wells | Second | 12½ out |
| Thursday, September 21 |
| » Defeated Dodgers (58-85), 10-4 | Ebbets Field (6-4) | 85-58 | Won 2 |
| » Starters: Rip Sewell vs Hal Gregg | Second | 12½ out |
| » Defeated Dodgers (58-86), 14-6 | Ebbets Field (7-4) | 86-58 | Won 3 |
| » Starters: Ray Starr vs Chink Zachary | Second | 12½ out |
| Saturday, September 23 |
| » Defeated Giants (63-81), 6-4 | Polo Grounds V (6-3) | 87-58 | Won 4 |
| » Starters: Max Butcher vs Ken Brondell | Second | 12 out |
| » Major-league debuts: Al Gionfriddo (Pirates) |
| Sunday, September 24 |
| » Lost to Giants (64-81), 5-4 | Polo Grounds V (6-4) | 87-59 | |
| » Starters: Fritz Ostermueller vs Bill Voiselle | Second | 13 out |
| » Defeated Giants (64-82), 3-2 | Polo Grounds V (7-4) | 88-59 | |
| » Starters: Nick Strincevich vs Cliff Melton | Second | 13 out |
| Monday, September 25 |
| » Lost to Braves (61-87), 5-4 | Braves Field (5-4) | 88-60 | |
| » Starters: Rip Sewell vs Red Barrett | Second | 14 out |
| Tuesday, September 26 |
| » Defeated Braves (61-88), 6-2 | Braves Field (6-4) | 89-60 | |
| » Starters: Max Butcher vs Nate Andrews | Second | 14 out |
| Wednesday, September 27 |
| » Lost to Braves (62-88), 4-3 | Braves Field (6-5) | 89-61 | |
| » Starters: Nick Strincevich vs Al Javery | Second | 14 out |
| Friday, September 29 |
| » Lost to Phillies (60-91), 3-0 | Shibe Park (4-4) | 89-62 | Lost 2 |
| » Starters: Fritz Ostermueller vs Ken Raffensberger | Second | 14½ out |
| Sunday, October 1 |
| » Defeated Phillies (60-92), 9-1 | Shibe Park (5-4) | 90-62 | |
| » Starters: Rip Sewell vs Charley Schanz | Second | 14½ out |
| » Lost to Phillies (61-92), 7-1 | Shibe Park (5-5) | 90-63 | |
| » Starters: Len Gilmore vs Dick Barrett | Second | 14½ out |
| » Major-league debuts: Vic Barnhart (Pirates) |
| Sunday, October 8 |
| Future Pirate Ed Kirkpatrick is born in Spokane, WA. |
| Monday, October 9 |
| Future Pirate Freddie Patek is born in Seguin, TX. |
| Tuesday, October 24 |
| Future Pirate John Jeter is born in Shreveport, LA. |
| Sunday, October 29 |
| Future Pirate Jim Bibby is born in Franklinton, NC. |
| Wednesday, November 1 |
| Former Pirate Ed Brandt dies in Spokane, WA at the age of 40. |
| Thursday, December 14 |
| Former Pirate Jouett Meekin dies in New Albany, IN at the age of 78. |
Game information provided by Retrosheet (www.retrosheet.org) |
