| Sunday, March 11 |
| Future Pirate Dock Ellis is born in Los Angeles, CA. |
| Tuesday, April 17 |
| » Lost to Reds (1-0), 7-6 | Crosley Field (0-1) | 0-1 | |
| » Starters: Fritz Ostermueller vs Bucky Walters | Second | 1 out |
| Wednesday, April 18 |
| » Lost to Reds (2-0), 6-0 | Crosley Field (0-2) | 0-2 | Lost 2 |
| » Starters: Nick Strincevich vs Ed Heusser | Fifth | 2 out |
| » Major-league debuts: Ken Gables and Bill Salkeld (Pirates) |
| Thursday, April 19 |
| » Defeated Reds (2-1), 5-1 | Crosley Field (1-2) | 1-2 | |
| » Starters: Max Butcher vs Boom-Boom Beck | Fourth | 1½ out |
| » Major-league debuts: Al Libke (Reds) |
| Friday, April 20 |
| » Defeated Cubs (1-2), 5-4 | Forbes Field (1-0) | 2-2 | Won 2 |
| » Starters: Hank Wyse vs Rip Sewell | Fourth | 1½ out |
| Saturday, April 21 |
| » Lost to Cubs (2-2), 4-3 | Forbes Field (1-1) | 2-3 | |
| » Starters: Paul Derringer vs Preacher Roe | Fourth | 2½ out |
| Sunday, April 22 |
| » Lost to Cubs (3-2), 3-0 | Forbes Field (1-2) | 2-4 | Lost 2 |
| » Starters: Bob Chipman vs Fritz Ostermueller | Seventh | 3 out |
| » Lost to Cubs (4-2), 5-2 | Forbes Field (1-3) | 2-5 | Lost 3 |
| » Starters: Ed Hanyzewski vs Al Gerheauser | Seventh | 3 out |
| Friday, April 27 |
| » Lost to Cubs (6-2), 7-3 | Wrigley Field (0-1) | 2-6 | Lost 4 |
| » Starters: Rip Sewell vs Paul Derringer | Sixth | 5 out |
| Saturday, April 28 |
| » Lost to Cubs (7-2), 6-0 | Wrigley Field (0-2) | 2-7 | Lost 5 |
| » Starters: Max Butcher vs Hank Wyse | Sixth | 5 out |
| Sunday, April 29 |
| » Defeated Cubs (7-3), 6-2 | Wrigley Field (1-2) | 3-7 | |
| » Starters: Preacher Roe vs Bob Chipman | Seventh | 3½ out |
| » Defeated Cubs (7-4), 5-4 | Wrigley Field (2-2) | 4-7 | Won 2 |
| » Starters: Nick Strincevich vs Jorge Comellas | Seventh | 3½ out |
| Wednesday, May 2 |
| » Lost to Cardinals (6-4), 4-2 | Forbes Field (1-4) | 4-8 | |
| » Starters: Harry Brecheen vs Rip Sewell | Sixth | 4 out |
| » Defeated Cardinals (6-5), 11-1 | Forbes Field (2-4) | 5-8 | |
| » Starters: Blix Donnelly vs Max Butcher | Sixth | 4 out |
| » Major-league debuts: Del Rice (Cardinals) |
| Sunday, May 6 |
| » Lost to Reds (6-6), 3-1 | Forbes Field (2-5) | 5-9 | |
| » Starters: Ed Heusser vs Max Butcher | Sixth | 5½ out |
| » Defeated Reds (6-7), 5-1 | Forbes Field (3-5) | 6-9 | |
| » Starters: Bucky Walters vs Rip Sewell | Sixth | 5½ out |
| Wednesday, May 9 |
| » Defeated Braves (7-9), 9-5 | Braves Field (1-0) | 7-9 | Won 2 |
| » Starters: Preacher Roe vs Jim Tobin | Fourth | 5½ out |
| Saturday, May 12 |
| » Defeated Phillies (4-15), 5-3 | Shibe Park (1-0) | 8-9 | Won 3 |
| » Starters: Nick Strincevich vs Dick Barrett | Fourth | 6 out |
| Sunday, May 13 |
| » Defeated Phillies (4-16), 9-6 | Shibe Park (2-0) | 9-9 | Won 4 |
| » Starters: Rip Sewell vs Charley Schanz | Fourth | 6 out |
| » Lost to Phillies (5-16), 6-5 | Shibe Park (2-1) | 9-10 | |
| » Starters: Max Butcher vs Bill Lee | Fourth | 6 out |
| Monday, May 14 |
| » Lost to Dodgers (14-6), 4-1 | Ebbets Field (0-1) | 9-11 | Lost 2 |
| » Starters: Preacher Roe vs Lee Pfund | Fifth | 7 out |
| Tuesday, May 15 |
| » Lost to Dodgers (15-6), 6-3 | Ebbets Field (0-2) | 9-12 | Lost 3 |
| » Starters: Cookie Cuccurullo vs Vic Lombardi | Fourth | 8 out |
| Wednesday, May 16 |
| » Lost to Dodgers (16-6), 3-1 | Ebbets Field (0-3) | 9-13 | Lost 4 |
| » Starters: Al Gerheauser vs Hal Gregg | Fifth | 9 out |
| Thursday, May 17 |
| » Defeated Dodgers (16-7), 12-3 | Ebbets Field (1-3) | 10-13 | |
| » Starters: Nick Strincevich vs Tom Seats | Fifth | 9 out |
| » Major-league debuts: Cy Buker (Dodgers) |
| Sunday, May 20 |
| » Lost to Giants (21-5), 5-1 | Polo Grounds V (0-1) | 10-14 | |
| » Starters: Rip Sewell vs Bill Voiselle | Sixth | 9 out |
| » Defeated Giants (21-6), 4-0 | Polo Grounds V (1-1) | 11-14 | |
| » Starters: Preacher Roe vs Harry Feldman | Sixth | 9 out |
| Monday, May 21 |
| » Defeated Giants (21-7), 5-2 | Forbes Field (4-5) | 12-14 | Won 2 |
| » Starters: Andy Hansen vs Max Butcher | Fifth | 8 out |
| Wednesday, May 23 |
| » Defeated Braves (11-14), 9-8 | Forbes Field (5-5) | 13-14 | Won 3 |
| » Starters: Bob Logan vs Al Gerheauser | Fifth | 8 out |
| Thursday, May 24 |
| » Defeated Braves (11-15), 10-9 | Forbes Field (6-5) | 14-14 | Won 4 |
| » Starters: Nate Andrews vs Nick Strincevich | Fourth | 8 out |
| Friday, May 25 |
| » Defeated Braves (11-16), 5-3 | Forbes Field (7-5) | 15-14 | Won 5 |
| » Starters: Jim Tobin vs Preacher Roe | Third | 8 out |
| Sunday, May 27 |
| » Defeated Giants (25-8), 16-4 | Forbes Field (8-5) | 16-14 | Won 6 |
| » Starters: Bill Voiselle vs Rip Sewell | Third | 6½ out |
| » Defeated Giants (25-9), 11-5 | Forbes Field (9-5) | 17-14 | Won 7 |
| » Starters: Rube Fischer vs Al Gerheauser | Third | 6½ out |
| Tuesday, May 29 |
| » Defeated Giants (25-10), 4-3 | Forbes Field (10-5) | 18-14 | Won 8 |
| » Starters: Harry Feldman vs Preacher Roe | Second | 5½ out |
| Wednesday, May 30 |
| » Defeated Dodgers (19-16), 13-5 | Forbes Field (11-5) | 19-14 | Won 9 |
| » Starters: Clyde King vs Rip Sewell | Second | 5½ out |
| » Lost to Dodgers (20-16), 14-10 | Forbes Field (11-6) | 19-15 | |
| » Starters: Lee Pfund vs Al Gerheauser | Second | 5½ out |
| Thursday, May 31 |
| » Lost to Dodgers (21-16), 6-4 | Forbes Field (11-7) | 19-16 | Lost 2 |
| » Starters: Vic Lombardi vs Nick Strincevich | Third | 6 out |
| Friday, June 1 |
| » Defeated Phillies (10-29), 6-5 | Forbes Field (12-7) | 20-16 | |
| » Starters: Dick Barrett vs Preacher Roe | Second | 5 out |
| Saturday, June 2 |
| » Defeated Phillies (10-30), 7-6 | Forbes Field (13-7) | 21-16 | Won 2 |
| » Starters: Charlie Sproull vs Al Gerheauser | Second | 5 out |
| Sunday, June 3 |
| » Defeated Phillies (10-31), 7-6 | Forbes Field (14-7) | 22-16 | Won 3 |
| » Starters: Vern Kennedy vs Rip Sewell | Second | 4 out |
| » Lost to Phillies (11-31), 11-9 | Forbes Field (14-8) | 22-17 | |
| » Starters: Dick Barrett vs Ken Gables | Second | 4 out |
| Tuesday, June 5 |
| » Lost to Reds (19-18), 4-0 | Forbes Field (14-9) | 22-18 | Lost 2 |
| » Starters: Ed Heusser vs Nick Strincevich | Second | 3½ out |
| » Defeated Reds (19-19), 9-1 | Forbes Field (15-9) | 23-18 | |
| » Starters: Boom-Boom Beck vs Max Butcher | Second | 3½ out |
| Wednesday, June 6 |
| » Lost to Reds (20-19), 3-0 | Forbes Field (15-10) | 23-19 | |
| » Starters: Bucky Walters vs Preacher Roe | Third | 4 out |
| Thursday, June 7 |
| » Lost to Reds (21-19), 7-3 | Forbes Field (15-11) | 23-20 | Lost 2 |
| » Starters: Joe Bowman vs Rip Sewell | Third | 5 out |
| Friday, June 8 |
| » Lost to Cardinals (25-18), 4-3 | Sportsman's Park III (0-1) | 23-21 | Lost 3 |
| » Starters: Al Gerheauser vs Blix Donnelly | Fourth | 5½ out |
| Saturday, June 9 |
| » Defeated Cardinals (25-19), 5-1 | Sportsman's Park III (1-1) | 24-21 | |
| » Starters: Nick Strincevich vs Red Barrett | Fourth | 4½ out |
| Sunday, June 10 |
| » Defeated Cardinals (25-20), 8-6 | Sportsman's Park III (2-1) | 25-21 | Won 2 |
| » Starters: Max Butcher vs Jack Creel | Third | 2½ out |
| » Defeated Cardinals (25-21), 4-1 | Sportsman's Park III (3-1) | 26-21 | Won 3 |
| » Starters: Preacher Roe vs Ted Wilks | Third | 2½ out |
| Tuesday, June 12 |
| » Defeated Cubs (23-20), 9-3 | Forbes Field (16-11) | 27-21 | Won 4 |
| » Starters: Hank Wyse vs Al Gerheauser | Third | 1½ out |
| Thursday, June 14 |
| » Defeated Cubs (23-21), 5-2 | Forbes Field (17-11) | 28-21 | Won 5 |
| » Starters: Bob Chipman vs Max Butcher | Second | 1 out |
| » Defeated Cubs (23-22), 6-5 | Forbes Field (18-11) | 29-21 | Won 6 |
| » Starters: Paul Derringer vs Rip Sewell | Second | 1 out |
| Friday, June 15 |
| » Defeated Cardinals (26-23), 5-2 | Forbes Field (19-11) | 30-21 | Won 7 |
| » Starters: Red Barrett vs Nick Strincevich | Second | 1 out |
| Saturday, June 16 |
| » Lost to Cardinals (27-23), 13-10 | Forbes Field (19-12) | 30-22 | |
| » Starters: Harry Brecheen vs Preacher Roe | Third | ½ out |
| Sunday, June 17 |
| » Lost to Cardinals (28-23), 7-0 | Forbes Field (19-13) | 30-23 | Lost 2 |
| » Starters: Ken Burkhart vs Rip Sewell | Fourth | 1 out |
| » Lost to Cardinals (29-23), 6-2 | Forbes Field (19-14) | 30-24 | Lost 3 |
| » Starters: Ted Wilks vs Al Gerheauser | Fourth | 1 out |
| Wednesday, June 20 |
| » Lost to Cubs (27-22), 5-3 | Wrigley Field (2-3) | 30-25 | Lost 4 |
| » Starters: Max Butcher vs Bob Chipman | Fourth | 3 out |
| Thursday, June 21 |
| » Lost to Cubs (28-22), 5-4 | Wrigley Field (2-4) | 30-26 | Lost 5 |
| » Starters: Preacher Roe vs Hank Wyse | Fourth | 4 out |
| Friday, June 22 |
| » Defeated Reds (23-29), 3-1 | Crosley Field (2-2) | 31-26 | |
| » Starters: Nick Strincevich vs Ed Heusser | Fourth | 4 out |
| Sunday, June 24 |
| » Defeated Reds (23-30), 7-5 | Crosley Field (3-2) | 32-26 | Won 2 |
| » Starters: Rip Sewell vs Elmer Riddle | Third | 4½ out |
| » Lost to Reds (24-30), 4-3 | Crosley Field (3-3) | 32-27 | |
| » Starters: Max Butcher vs Joe Bowman | Third | 4½ out |
| Wednesday, June 27 |
| » Lost to Giants (34-28), 10-4 | Polo Grounds V (1-2) | 32-28 | Lost 2 |
| » Starters: Al Gerheauser vs Van Mungo | Fifth | 6 out |
| » Lost to Giants (35-28), 3-2 | Polo Grounds V (1-3) | 32-29 | Lost 3 |
| » Starters: Preacher Roe vs Jack Brewer | Fifth | 6 out |
| Thursday, June 28 |
| » Defeated Giants (35-29), 3-1 | Polo Grounds V (2-3) | 33-29 | |
| » Starters: Nick Strincevich vs Harry Feldman | Fifth | 5 out |
| Friday, June 29 |
| » Lost to Giants (36-29), 3-2 | Polo Grounds V (2-4) | 33-30 | |
| » Starters: Max Butcher vs Bill Voiselle | Fifth | 5½ out |
| Saturday, June 30 |
| » Lost to Dodgers (40-25), 8-5 | Ebbets Field (1-4) | 33-31 | Lost 2 |
| » Starters: Rip Sewell vs Lee Pfund | Fifth | 6½ out |
| Sunday, July 1 |
| » Defeated Dodgers (40-26), 4-3 | Ebbets Field (2-4) | 34-31 | |
| » Starters: Preacher Roe vs Hal Gregg | Sixth | 6½ out |
| » Lost to Dodgers (41-26), 4-2 | Ebbets Field (2-5) | 34-32 | |
| » Starters: Al Gerheauser vs Curt Davis | Sixth | 6½ out |
| Tuesday, July 3 |
| » Defeated Phillies (20-53), 10-3 | Shibe Park (3-1) | 35-32 | |
| » Starters: Nick Strincevich vs Dick Barrett | Fifth | 5½ out |
| Wednesday, July 4 |
| » Lost to Phillies (21-53), 7-6 | Shibe Park (3-2) | 35-33 | |
| » Starters: Rip Sewell vs Bill Lee | Fifth | 5½ out |
| » Defeated Phillies (21-54), 13-0 | Shibe Park (4-2) | 36-33 | |
| » Starters: Max Butcher vs Oscar Judd | Fifth | 5½ out |
| Friday, July 6 |
| » Lost to Braves (34-35), 13-5 | Braves Field (1-1) | 36-34 | |
| » Starters: Al Gerheauser vs Nate Andrews | Fifth | 5½ out |
| » Lost to Braves (35-35), 14-8 | Braves Field (1-2) | 36-35 | Lost 2 |
| » Starters: Preacher Roe vs Don Hendrickson | Fifth | 5½ out |
| Saturday, July 7 |
| » Lost to Braves (36-35), 7-6 | Braves Field (1-3) | 36-36 | Lost 3 |
| » Starters: Rip Sewell vs Johnny Hutchings | Sixth | 6½ out |
| Future Pirate Chuck Goggin is born in Pompano Beach, FL. |
| Sunday, July 8 |
| » Defeated Braves (36-36), 10-8 | Braves Field (2-3) | 37-36 | |
| » Starters: Nick Strincevich vs Bob Logan | Sixth | 7 out |
| » Lost to Braves (37-36), 13-1 | Braves Field (2-4) | 37-37 | |
| » Starters: Max Butcher vs Jim Tobin | Sixth | 7 out |
| Thursday, July 12 |
| » Defeated Phillies (21-60), 4-0 | Forbes Field (20-14) | 38-37 | |
| » Starters: Jack Kraus vs Nick Strincevich | Fifth | 6½ out |
| Friday, July 13 |
| » Defeated Phillies (21-61), 3-2 | Forbes Field (21-14) | 39-37 | Won 2 |
| » Starters: Oscar Judd vs Max Butcher | Fifth | 6½ out |
| Sunday, July 15 |
| » Defeated Dodgers (44-35), 9-1 | Forbes Field (22-14) | 40-37 | Won 3 |
| » Starters: Vic Lombardi vs Rip Sewell | Fourth | 7 out |
| » Defeated Dodgers (44-36), 15-3 | Forbes Field (23-14) | 41-37 | Won 4 |
| » Starters: Hal Gregg vs Ken Gables | Fourth | 7 out |
| Monday, July 16 |
| » Lost to Dodgers (45-36), 8-4 | Forbes Field (23-15) | 41-38 | |
| » Starters: Tom Seats vs Cookie Cuccurullo | Fourth | 8 out |
| Tuesday, July 17 |
| » Lost to Dodgers (46-36), 5-2 | Forbes Field (23-16) | 41-39 | Lost 2 |
| » Starters: Hal Gregg vs Nick Strincevich | Fifth | 8 out |
| Wednesday, July 18 |
| » Lost to Giants (44-41), 6-3 | Forbes Field (23-17) | 41-40 | Lost 3 |
| » Starters: Jack Brewer vs Preacher Roe | Fifth | 9 out |
| » Lost to Giants (45-41), 4-3 | Forbes Field (23-18) | 41-41 | Lost 4 |
| » Starters: Rube Fischer vs Max Butcher | Fifth | 9 out |
| Thursday, July 19 |
| » Defeated Giants (45-42), 4-0 | Forbes Field (24-18) | 42-41 | |
| » Starters: Harry Feldman vs Rip Sewell | Fifth | 9 out |
| Friday, July 20 |
| » Defeated Giants (45-43), 13-5 | Forbes Field (25-18) | 43-41 | Won 2 |
| » Starters: Bill Voiselle vs Ken Gables | Fourth | 8½ out |
| Saturday, July 21 |
| » Lost to Braves (42-42), 5-1 | Forbes Field (25-19) | 43-42 | |
| » Starters: Bill Lee vs Al Gerheauser | Fifth | 9 out |
| » Defeated Braves (42-43), 3-1 | Forbes Field (26-19) | 44-42 | |
| » Starters: Bob Logan vs Nick Strincevich | Fifth | 9 out |
| Sunday, July 22 |
| » Defeated Braves (42-44), 2-1 | Forbes Field (27-19) | 45-42 | Won 2 |
| » Starters: Jim Tobin vs Ken Gables | Fourth | 8 out |
| » Defeated Braves (42-45), 3-1 | Forbes Field (28-19) | 46-42 | Won 3 |
| » Starters: Nate Andrews vs Preacher Roe | Fourth | 8 out |
| Monday, July 23 |
| » Defeated Braves (42-46), 8-5 | Forbes Field (29-19) | 47-42 | Won 4 |
| » Starters: Johnny Hutchings vs Rip Sewell | Fourth | 7½ out |
| Tuesday, July 24 |
| » Defeated Braves (42-47), 6-5 | Forbes Field (30-19) | 48-42 | Won 5 |
| » Starters: Al Javery vs Max Butcher | Fourth | 7½ out |
| Thursday, July 26 |
| » Lost to Cardinals (51-38), 10-2 | Sportsman's Park III (3-2) | 48-43 | |
| » Starters: Nick Strincevich vs Ken Burkhart | Fourth | 8½ out |
| Friday, July 27 |
| » Lost to Cardinals (52-38), 2-0 | Sportsman's Park III (3-3) | 48-44 | Lost 2 |
| » Starters: Preacher Roe vs Blix Donnelly | Fourth | 9½ out |
| Saturday, July 28 |
| » Lost to Cardinals (53-38), 2-0 | Sportsman's Park III (3-4) | 48-45 | Lost 3 |
| » Starters: Ken Gables vs Red Barrett | Fifth | 10½ out |
| Sunday, July 29 |
| » Defeated Cardinals (53-39), 9-6 | Sportsman's Park III (4-4) | 49-45 | |
| » Starters: Rip Sewell vs Bud Byerly | Fourth | 11½ out |
| » Lost to Cardinals (54-39), 6-4 | Sportsman's Park III (4-5) | 49-46 | |
| » Starters: Nick Strincevich vs George Dockins | Fourth | 11½ out |
| Wednesday, August 1 |
| » Defeated Cubs (58-33), 1-0 | Wrigley Field (3-4) | 50-46 | |
| » Starters: Max Butcher vs Claude Passeau | Fourth | 10½ out |
| Thursday, August 2 |
| » Lost to Cubs (59-33), 1-0 | Wrigley Field (3-5) | 50-47 | |
| » Starters: Preacher Roe vs Paul Derringer | Fifth | 11½ out |
| Friday, August 3 |
| » Lost to Cardinals (57-41), 5-1 | Forbes Field (30-20) | 50-48 | Lost 2 |
| » Starters: George Dockins vs Ken Gables | Fifth | 13 out |
| Saturday, August 4 |
| » Lost to Cardinals (58-41), 6-5 | Forbes Field (30-21) | 50-49 | Lost 3 |
| » Starters: Blix Donnelly vs Nick Strincevich | Fifth | 13 out |
| Sunday, August 5 |
| » Lost to Cardinals (59-41), 10-3 | Forbes Field (30-22) | 50-50 | Lost 4 |
| » Starters: Red Barrett vs Max Butcher | Fifth | 14 out |
| » Defeated Cardinals (59-42), 12-5 | Forbes Field (31-22) | 51-50 | |
| » Starters: Ken Burkhart vs Fritz Ostermueller | Fifth | 14 out |
| Wednesday, August 8 |
| » Defeated Phillies (26-74), 4-0 | Shibe Park (5-2) | 52-50 | Won 2 |
| » Starters: Preacher Roe vs Jack Kraus | Fifth | 15 out |
| » Lost to Phillies (27-74), 5-0 | Shibe Park (5-3) | 52-51 | |
| » Starters: Cookie Cuccurullo vs Dick Mauney | Fifth | 15 out |
| Thursday, August 9 |
| » Defeated Phillies (27-75), 3-1 | Shibe Park (6-3) | 53-51 | |
| » Starters: Ken Gables vs Dick Barrett | Fifth | 14 out |
| Friday, August 10 |
| » Defeated Phillies (27-76), 10-2 | Shibe Park (7-3) | 54-51 | Won 2 |
| » Starters: Fritz Ostermueller vs Charley Schanz | Fifth | 13½ out |
| » Lost to Phillies (28-76), 6-1 | Shibe Park (7-4) | 54-52 | |
| » Starters: Nick Strincevich vs Oscar Judd | Fifth | 13½ out |
| Sunday, August 12 |
| » Lost to Braves (49-58), 7-6 | Braves Field (2-5) | 54-53 | Lost 2 |
| » Starters: Cookie Cuccurullo vs Mort Cooper | Fifth | 15 out |
| » Defeated Braves (49-59), 3-0 | Braves Field (3-5) | 55-53 | |
| » Starters: Preacher Roe vs Ed Wright | Fifth | 15 out |
| Monday, August 13 |
| » Lost to Braves (50-59), 6-4 | Braves Field (3-6) | 55-54 | |
| » Starters: Ken Gables vs Nate Andrews | Fifth | 16 out |
| Tuesday, August 14 |
| » Defeated Braves (50-60), 7-5 | Braves Field (4-6) | 56-54 | |
| » Starters: Fritz Ostermueller vs Bill Lee | Fifth | 14½ out |
| » Defeated Braves (50-61), 6-2 | Braves Field (5-6) | 57-54 | Won 2 |
| » Starters: Boom-Boom Beck vs Al Javery | Fifth | 14½ out |
| Wednesday, August 15 |
| » Defeated Giants (59-51), 11-9 | Polo Grounds V (3-4) | 58-54 | Won 3 |
| » Starters: Max Butcher vs Bill Voiselle | Fifth | 14 out |
| » Defeated Giants (59-52), 3-2 | Polo Grounds V (4-4) | 59-54 | Won 4 |
| » Starters: Nick Strincevich vs Adrian Zabala | Fifth | 14 out |
| Future Pirate Duffy Dyer is born in Dayton, OH. |
| Thursday, August 16 |
| » Lost to Giants (60-52), 2-1 | Polo Grounds V (4-5) | 59-55 | |
| » Starters: Preacher Roe vs Van Mungo | Fifth | 14 out |
| Friday, August 17 |
| » Lost to Giants (61-52), 3-2 | Polo Grounds V (4-6) | 59-56 | Lost 2 |
| » Starters: Ken Gables vs Jack Brewer | Fifth | 15 out |
| Saturday, August 18 |
| » Lost to Giants (62-52), 6-0 | Polo Grounds V (4-7) | 59-57 | Lost 3 |
| » Starters: Xavier Rescigno vs Sal Maglie | Fifth | 16 out |
| Sunday, August 19 |
| » Lost to Dodgers (63-49), 6-2 | Ebbets Field (2-6) | 59-58 | Lost 4 |
| » Starters: Fritz Ostermueller vs Les Webber | Fifth | 17 out |
| » Defeated Dodgers (63-50), 4-2 | Ebbets Field (3-6) | 60-58 | |
| » Starters: Nick Strincevich vs Ralph Branca | Fifth | 17 out |
| Monday, August 20 |
| » Defeated Dodgers (63-51), 11-1 | Ebbets Field (4-6) | 61-58 | Won 2 |
| » Starters: Preacher Roe vs Tom Seats | Fifth | 16 out |
| Tuesday, August 21 |
| » Defeated Dodgers (63-52), 12-1 | Ebbets Field (5-6) | 62-58 | Won 3 |
| » Starters: Ken Gables vs Hal Gregg | Fifth | 15 out |
| Thursday, August 23 |
| » Defeated Reds (45-70), 6-2 | Forbes Field (32-22) | 63-58 | Won 4 |
| » Starters: Earl Harrist vs Boom-Boom Beck | Fifth | 14½ out |
| Friday, August 24 |
| » Lost to Reds (46-70), 2-1 | Forbes Field (32-23) | 63-59 | |
| » Starters: Ed Heusser vs Nick Strincevich | Fifth | 14½ out |
| Saturday, August 25 |
| » Lost to Reds (47-70), 1-0 | Forbes Field (32-24) | 63-60 | Lost 2 |
| » Starters: Vern Kennedy vs Preacher Roe | Fifth | 14½ out |
| Sunday, August 26 |
| » Defeated Reds (47-71), 10-7 | Forbes Field (33-24) | 64-60 | |
| » Starters: Howie Fox vs Rip Sewell | Fifth | 13 out |
| » Defeated Reds (47-72), 2-1 | Forbes Field (34-24) | 65-60 | Won 2 |
| » Starters: Joe Bowman vs Ken Gables | Fifth | 13 out |
| Tuesday, August 28 |
| » Lost to Cubs (75-43), 6-3 | Forbes Field (34-25) | 65-61 | |
| » Starters: Hank Borowy vs Fritz Ostermueller | Fifth | 14 out |
| Wednesday, August 29 |
| » Lost to Cubs (76-43), 2-0 | Forbes Field (34-26) | 65-62 | Lost 2 |
| » Starters: Ray Prim vs Nick Strincevich | Fifth | 15 out |
| Thursday, August 30 |
| » Defeated Cubs (76-44), 6-4 | Forbes Field (35-26) | 66-62 | |
| » Starters: Paul Derringer vs Preacher Roe | Fifth | 14 out |
| Friday, August 31 |
| » Defeated Reds (49-73), 6-5 | Crosley Field (4-3) | 67-62 | Won 2 |
| » Starters: Ken Gables vs Joe Bowman | Fifth | 13 out |
| Sunday, September 2 |
| » Defeated Reds (49-74), 4-2 | Crosley Field (5-3) | 68-62 | Won 3 |
| » Starters: Boom-Boom Beck vs Joe Bowman | Fifth | 11½ out |
| » Defeated Reds (49-75), 7-3 | Crosley Field (6-3) | 69-62 | Won 4 |
| » Starters: Nick Strincevich vs Bucky Walters | Fifth | 11½ out |
| Monday, September 3 |
| » Defeated Cardinals (76-51), 6-5 | Sportsman's Park III (5-5) | 70-62 | Won 5 |
| » Starters: Fritz Ostermueller vs Ted Wilks | Fifth | 11½ out |
| » Defeated Cardinals (76-52), 6-2 | Sportsman's Park III (6-5) | 71-62 | Won 6 |
| » Starters: Preacher Roe vs Blix Donnelly | Fifth | 11½ out |
| Tuesday, September 4 |
| » Tied Cardinals, 8-8 | Sportsman's Park III (6-5) | 71-62 | |
| » Starters: Ken Gables vs Glenn Gardner | Fifth | 11½ out |
| Wednesday, September 5 |
| » Lost to Dodgers (72-55), 5-3 | Forbes Field (35-27) | 71-63 | |
| » Starters: Ralph Branca vs Rip Sewell | Fifth | 13 out |
| Thursday, September 6 |
| » Defeated Dodgers (72-56), 17-5 | Forbes Field (36-27) | 72-63 | |
| » Starters: Hal Gregg vs Nick Strincevich | Fifth | 13 out |
| Friday, September 7 |
| » Lost to Dodgers (73-56), 3-2 | Forbes Field (36-28) | 72-64 | |
| » Starters: Tom Seats vs Preacher Roe | Fifth | 13 out |
| Saturday, September 8 |
| » Defeated Dodgers (73-57), 6-5 | Forbes Field (37-28) | 73-64 | |
| » Starters: Vic Lombardi vs Fritz Ostermueller | Fifth | 12 out |
| Sunday, September 9 |
| » Defeated Phillies (41-94), 4-3 | Forbes Field (38-28) | 74-64 | Won 2 |
| » Starters: Jack Kraus vs Boom-Boom Beck | Fifth | 13 out |
| » Lost to Phillies (42-94), 14-3 | Forbes Field (38-29) | 74-65 | |
| » Starters: Dick Mauney vs Rip Sewell | Fifth | 13 out |
| Monday, September 10 |
| » Defeated Phillies (42-95), 9-5 | Forbes Field (39-29) | 75-65 | |
| » Starters: Izzy Leon vs Nick Strincevich | Fourth | 12 out |
| Tuesday, September 11 |
| » Defeated Phillies (42-96), 5-4 | Forbes Field (40-29) | 76-65 | Won 2 |
| » Starters: Charley Schanz vs Ken Gables | Fourth | 11½ out |
| » Defeated Phillies (42-97), 5-1 | Forbes Field (41-29) | 77-65 | Won 3 |
| » Starters: Charlie Sproull vs Preacher Roe | Fourth | 11½ out |
| Thursday, September 13 |
| » Defeated Braves (59-79), 4-3 | Forbes Field (42-29) | 78-65 | Won 4 |
| » Starters: Elmer Singleton vs Al Gerheauser | Fourth | 11 out |
| » Defeated Braves (59-80), 2-0 | Forbes Field (43-29) | 79-65 | Won 5 |
| » Starters: Bob Whitcher vs Fritz Ostermueller | Fourth | 11 out |
| Former Pirate Cy Blanton dies in Norman, OK at the age of 38. |
| Friday, September 14 |
| » Major-league debuts: Johnny Hetki (Reds) |
| Saturday, September 15 |
| » Lost to Giants (75-67), 9-5 | Forbes Field (43-30) | 79-66 | |
| » Starters: Bill Voiselle vs Nick Strincevich | Fourth | 11½ out |
| Sunday, September 16 |
| » Defeated Giants (75-68), 3-2 | Forbes Field (44-30) | 80-66 | |
| » Starters: Sal Maglie vs Preacher Roe | Fourth | 12½ out |
| » Lost to Giants (76-68), 9-2 | Forbes Field (44-31) | 80-67 | |
| » Starters: Jack Brewer vs Ken Gables | Fourth | 12½ out |
| Sunday, September 23 |
| » Lost to Cubs (92-55), 7-3 | Wrigley Field (3-6) | 80-68 | Lost 2 |
| » Starters: Preacher Roe vs Hank Wyse | Fourth | 12½ out |
| Wednesday, September 26 |
| » Lost to Reds (61-87), 5-2 | Crosley Field (6-4) | 80-69 | Lost 3 |
| » Starters: Boom-Boom Beck vs Johnny Hetki | Fourth | 12½ out |
| » Defeated Reds (61-88), 2-1 | Crosley Field (7-4) | 81-69 | |
| » Starters: Nick Strincevich vs Earl Harrist | Fourth | 12½ out |
| Thursday, September 27 |
| » Defeated Cardinals (92-59), 5-2 | Forbes Field (45-31) | 82-69 | Won 2 |
| » Starters: George Dockins vs Preacher Roe | Fourth | 13 out |
| Saturday, September 29 |
| » Lost to Cubs (96-56), 4-3 | Forbes Field (45-32) | 82-70 | |
| » Starters: Hank Borowy vs Fritz Ostermueller | Fourth | 15 out |
| » Lost to Cubs (97-56), 5-0 | Forbes Field (45-33) | 82-71 | Lost 2 |
| » Starters: Hy Vandenberg vs Rip Sewell | Fourth | 15 out |
| Sunday, September 30 |
| » Lost to Cubs (98-56), 5-3 | Forbes Field (45-34) | 82-72 | Lost 3 |
| » Starters: Bob Chipman vs Ken Gables | Fourth | 16 out |
| Tuesday, October 9 |
| Former Pirate Bob Ganley dies in Lowell, MA at the age of 71. |
| Saturday, November 10 |
| Future Pirate Billy Southworth is born in Madison, WI. |
| Monday, November 19 |
| Future Pirate Bobby Tolan is born in Los Angeles, CA. |
| Monday, December 3 |
| Future Pirate Lou Marone is born in San Diego, CA. |
Game information provided by Retrosheet (www.retrosheet.org) |
