| Monday, February 4 |
| Former Giant Tom O'Brien dies in Phoenix, AZ at the age of 28. |
| Monday, February 11 |
| Future Giant Jimmy O'Connell is born in Sacramento, CA. |
| Tuesday, February 12 |
| Future Giant Virgil Cheeves is born in Oklahoma City, OK. |
| Thursday, April 18 |
| » Major-league debuts: Lefty Davis (Dodgers) |
| Friday, April 19 |
| » Lost to Braves (1-0), 7-0 | South End Grounds III (0-1) | 0-1 | |
| » Starters: Dummy Taylor vs Kid Nichols | Fourth | 1½ out |
| Monday, April 22 |
| » Major-league debuts: Doc White (Phillies) |
| Friday, April 26 |
| » Defeated Dodgers (2-2), 5-3 | Polo Grounds IV (1-0) | 1-1 | |
| » Starters: Bill Donovan vs Christy Mathewson | Third | ½ out |
| Saturday, April 27 |
| » Lost to Phillies (3-3), 5-1 | Baker Bowl (0-1) | 1-2 | |
| » Starters: Dummy Taylor vs Doc White | Sixth | 1½ out |
| Monday, April 29 |
| » Lost to Phillies (4-3), 14-13 | Baker Bowl (0-2) | 1-3 | Lost 2 |
| » Starters: Chauncey Fisher vs Jack Dunn | Fifth | 2 out |
| Tuesday, April 30 |
| » Defeated Phillies (4-4), 3-2 | Baker Bowl (1-2) | 2-3 | |
| » Starters: Christy Mathewson vs Al Orth | Fifth | 1½ out |
| Wednesday, May 1 |
| » Lost to Phillies (5-4), 6-1 | Baker Bowl (1-3) | 2-4 | |
| » Starters: Dummy Taylor vs Red Donahue | Seventh | 2 out |
| Friday, May 3 |
| » Defeated Braves (3-4), 2-1 | South End Grounds III (1-1) | 3-4 | |
| » Starters: Christy Mathewson vs Kid Nichols | Fifth | 2 out |
| Saturday, May 4 |
| » Lost to Braves (4-4), 6-3 | South End Grounds III (1-2) | 3-5 | |
| » Starters: Dummy Taylor vs Bill Dinneen | Seventh | 2½ out |
| » Major-league debuts: Fred Brown (Braves) |
| Monday, May 6 |
| » Defeated Phillies (6-7), 4-0 | Polo Grounds IV (2-0) | 4-5 | |
| » Starters: Red Donahue vs Christy Mathewson | Sixth | 2 out |
| Tuesday, May 7 |
| » Defeated Phillies (6-8), 5-4 | Polo Grounds IV (3-0) | 5-5 | Won 2 |
| » Starters: Bill Duggleby vs Dummy Taylor | Third | 2 out |
| Wednesday, May 8 |
| » Defeated Phillies (6-9), 9-8 | Polo Grounds IV (4-0) | 6-5 | Won 3 |
| » Starters: Doc White vs Bill Phyle | Second | 1 out |
| Saturday, May 11 |
| » Defeated Dodgers (7-8), 7-0 | Washington Park III (1-0) | 7-5 | Won 4 |
| » Starters: Christy Mathewson vs Brickyard Kennedy | Third | 1½ out |
| Monday, May 13 |
| » Brooklyn forfeited to New York. | Polo Grounds IV (5-0) | 8-5 | Won 5 |
| » Starters: Bill Donovan vs Dummy Taylor | Third | 2½ out |
| Tuesday, May 14 |
| » Defeated Cubs (8-13), 3-0 | Polo Grounds IV (6-0) | 9-5 | Won 6 |
| » Starters: Jock Menefee vs Roger Denzer | First | -- |
| Wednesday, May 15 |
| » Defeated Cubs (8-14), 4-0 | Polo Grounds IV (7-0) | 10-5 | Won 7 |
| » Starters: Jack Taylor vs Christy Mathewson | First | -- |
| Thursday, May 16 |
| » Lost to Cubs (9-14), 11-3 | Polo Grounds IV (7-1) | 10-6 | |
| » Starters: Rube Waddell vs Dummy Taylor | Second | 2½ out |
| Friday, May 17 |
| » Lost to Cubs (10-14), 4-0 | Polo Grounds IV (7-2) | 10-7 | Lost 2 |
| » Starters: Mal Eason vs Dummy Taylor | Third | 2½ out |
| Tuesday, May 21 |
| » Defeated Pirates (12-10), 2-1 | Polo Grounds IV (8-2) | 11-7 | |
| » Starters: Deacon Phillippe vs Christy Mathewson | Second | 2½ out |
| Wednesday, May 22 |
| » Defeated Pirates (12-11), 2-1 | Polo Grounds IV (9-2) | 12-7 | Won 2 |
| » Starters: Snake Wiltse vs Bill Phyle | Second | 2½ out |
| Thursday, May 23 |
| » Defeated Reds (15-9), 8-1 | Polo Grounds IV (10-2) | 13-7 | Won 3 |
| » Starters: Doc Newton vs Ed Doheny | First | -- |
| Friday, May 24 |
| » Defeated Reds (15-10), 1-0 | Polo Grounds IV (11-2) | 14-7 | Won 4 |
| » Starters: Bill Phillips vs Christy Mathewson | First | -- |
| Tuesday, May 28 |
| » Lost to Cardinals (12-16), 1-0 | Polo Grounds IV (11-3) | 14-8 | |
| » Starters: Jack Powell vs Christy Mathewson | First | -- |
| Thursday, May 30 |
| » Defeated Cardinals (12-17), 6-4 | Polo Grounds IV (12-3) | 15-8 | |
| » Starters: Jack Harper vs Bill Phyle | First | -- |
| » Lost to Cardinals (13-17), 6-5 | Polo Grounds IV (12-4) | 15-9 | |
| » Starters: Jack Powell vs Roger Denzer | First | -- |
| Saturday, June 1 |
| » Defeated Braves (11-15), 2-1 | Polo Grounds IV (13-4) | 16-9 | |
| » Starters: Kid Nichols vs Christy Mathewson | First | -- |
| » Major-league debuts: Charlie Buelow (Giants) |
| Monday, June 3 |
| » Defeated Cardinals (15-18), 8-4 | Robison Field (1-0) | 17-9 | Won 2 |
| » Starters: Bill Phyle vs Jack Powell | First | -- |
| Tuesday, June 4 |
| » Defeated Cardinals (15-19), 4-2 | Robison Field (2-0) | 18-9 | Won 3 |
| » Starters: Dummy Taylor vs Cowboy Jones | First | -- |
| Wednesday, June 5 |
| » Lost to Cardinals (16-19), 4-3 | Robison Field (2-1) | 18-10 | |
| » Starters: Christy Mathewson vs Jack Harper | First | -- |
| Friday, June 7 |
| » Lost to Reds (19-14), 3-2 | League Park II (0-1) | 18-11 | Lost 2 |
| » Starters: Ed Doheny vs Doc Newton | First | -- |
| Saturday, June 8 |
| » Lost to Reds (20-14), 6-4 | League Park II (0-2) | 18-12 | Lost 3 |
| » Starters: Christy Mathewson vs Noodles Hahn | Second | 2½ out |
| Sunday, June 9 |
| » Reds forfeited to Giants. | League Park II (1-2) | 19-12 | |
| » Starters: Bill Phyle vs Bill Phillips | First | -- |
| Monday, June 10 |
| » Lost to Pirates (22-17), 3-1 | Exposition Park III (0-1) | 19-13 | |
| » Starters: Dummy Taylor vs Deacon Phillippe | First | -- |
| Tuesday, June 11 |
| » Lost to Pirates (23-17), 4-0 | Exposition Park III (0-2) | 19-14 | Lost 2 |
| » Starters: Christy Mathewson vs Sam Leever | Second | 4 out |
| Wednesday, June 12 |
| » Lost to Pirates (24-17), 5-2 | Exposition Park III (0-3) | 19-15 | Lost 3 |
| » Starters: Bill Phyle vs Jack Chesbro | Second | 4 out |
| Thursday, June 13 |
| » Defeated Cubs (16-28), 9-7 | West Side Grounds (1-0) | 20-15 | |
| » Starters: Ed Doheny vs Jack Taylor | Second | 4 out |
| Friday, June 14 |
| » Defeated Cubs (16-29), 4-1 | West Side Grounds (2-0) | 21-15 | Won 2 |
| » Starters: Dummy Taylor vs Jock Menefee | Second | 4 out |
| Saturday, June 15 |
| » Lost to Cubs (17-29), 9-2 | West Side Grounds (2-1) | 21-16 | |
| » Starters: Christy Mathewson vs Rube Waddell | Second | 4 out |
| Sunday, June 16 |
| » Tied Cubs, 4-4 | West Side Grounds (2-1) | 21-16 | |
| » Starters: Bill Phyle vs Tom Hughes | Second | 4½ out |
| Tuesday, June 18 |
| » Lost to Dodgers (22-21), 10-5 | Washington Park III (1-1) | 21-17 | Lost 2 |
| » Starters: Dummy Taylor vs Jim Hughes | Second | 4½ out |
| Wednesday, June 19 |
| » Tied Pirates, 5-5 | Polo Grounds IV (13-4) | 21-17 | |
| » Starters: Sam Leever vs Christy Mathewson | Second | 4½ out |
| Thursday, June 20 |
| » Lost to Pirates (29-18), 7-0 | Polo Grounds IV (13-5) | 21-18 | Lost 3 |
| » Starters: Jack Chesbro vs Ed Doheny | Fourth | 4½ out |
| Friday, June 21 |
| » Defeated Pirates (29-19), 3-2 | Polo Grounds IV (14-5) | 22-18 | |
| » Starters: Snake Wiltse vs Dummy Taylor | Third | 4½ out |
| Saturday, June 22 |
| » Lost to Cardinals (27-24), 13-3 | Polo Grounds IV (14-6) | 22-19 | |
| » Starters: Jack Powell vs Roger Denzer | Third | 5 out |
| Monday, June 24 |
| » Defeated Cardinals (27-25), 3-2 | Polo Grounds IV (15-6) | 23-19 | |
| » Starters: Willie Sudhoff vs Christy Mathewson | Second | 5 out |
| Tuesday, June 25 |
| » Lost to Cardinals (28-25), 12-8 | Polo Grounds IV (15-7) | 23-20 | |
| » Starters: Jack Harper vs Bill Phyle | Fourth | 5 out |
| Wednesday, June 26 |
| » Defeated Reds (21-28), 6-2 | Polo Grounds IV (16-7) | 24-20 | |
| » Starters: Dick Scott vs Christy Mathewson | Fourth | 5 out |
| » Major-league debuts: Dick Scott (Reds) |
| Thursday, June 27 |
| » Lost to Reds (22-28), 7-5 | Polo Grounds IV (16-8) | 24-21 | |
| » Starters: Noodles Hahn vs Ed Doheny | Fourth | 4½ out |
| » Defeated Reds (22-29), 4-0 | Polo Grounds IV (17-8) | 25-21 | |
| » Starters: Bill Phillips vs Dummy Taylor | Fourth | 4½ out |
| Friday, June 28 |
| » Defeated Reds (22-30), 11-10 | Polo Grounds IV (18-8) | 26-21 | Won 2 |
| » Starters: Doc Newton vs Bill Phyle | Fourth | 4½ out |
| Saturday, June 29 |
| » Defeated Cubs (19-40), 14-1 | Polo Grounds IV (19-8) | 27-21 | Won 3 |
| » Starters: Rube Waddell vs Christy Mathewson | Second | 4½ out |
| Monday, July 1 |
| » Defeated Cubs (19-41), 6-4 | Polo Grounds IV (20-8) | 28-21 | Won 4 |
| » Starters: Jack Taylor vs Dummy Taylor | Second | 4½ out |
| Tuesday, July 2 |
| » Defeated Cubs (19-42), 6-3 | Polo Grounds IV (21-8) | 29-21 | Won 5 |
| » Starters: Tom Hughes vs Bill Phyle | Second | 4½ out |
| Thursday, July 4 |
| » Defeated Pirates (34-25), 5-3 | Exposition Park III (1-3) | 30-21 | Won 6 |
| » Starters: Christy Mathewson vs Jesse Tannehill | Second | 4½ out |
| » Lost to Pirates (35-25), 12-0 | Exposition Park III (1-4) | 30-22 | |
| » Starters: Dummy Taylor vs Sam Leever | Second | 4½ out |
| Friday, July 5 |
| » Lost to Pirates (36-25), 7-2 | Exposition Park III (1-5) | 30-23 | Lost 2 |
| » Starters: Bill Phyle vs Deacon Phillippe | Second | 4½ out |
| Saturday, July 6 |
| » Lost to Pirates (37-25), 6-2 | Exposition Park III (1-6) | 30-24 | Lost 3 |
| » Starters: Dummy Taylor vs Jack Chesbro | Third | 4½ out |
| Sunday, July 7 |
| » Lost to Reds (27-34), 6-5 | League Park II (1-3) | 30-25 | Lost 4 |
| » Starters: Ed Doheny vs Bill Phillips | Third | 4 out |
| Monday, July 8 |
| » Defeated Reds (27-35), 9-3 | League Park II (2-3) | 31-25 | |
| » Starters: Christy Mathewson vs Dick Scott | Second | 4 out |
| Tuesday, July 9 |
| » Lost to Reds (28-35), 5-4 | League Park II (2-4) | 31-26 | |
| » Starters: Bill Phyle vs Charlie Case | Third | 5 out |
| Wednesday, July 10 |
| » Defeated Reds (28-36), 3-0 | League Park II (3-4) | 32-26 | |
| » Starters: Dummy Taylor vs Noodles Hahn | Third | 5 out |
| Friday, July 12 |
| » Lost to Cardinals (38-30), 3-2 | Robison Field (2-2) | 32-27 | |
| » Starters: Christy Mathewson vs Jack Powell | Fifth | 5½ out |
| Saturday, July 13 |
| » Lost to Cardinals (39-30), 8-2 | Robison Field (2-3) | 32-28 | Lost 2 |
| » Starters: Willie Mills vs Ed Murphy | Fourth | 6½ out |
| Sunday, July 14 |
| » Lost to Cardinals (40-30), 6-5 | Robison Field (2-4) | 32-29 | Lost 3 |
| » Starters: Dummy Taylor vs Jack Harper | Fifth | 7½ out |
| Monday, July 15 |
| » Defeated Cardinals (40-31), 5-0 | Robison Field (3-4) | 33-29 | |
| » Starters: Christy Mathewson vs Willie Sudhoff | Fifth | 7 out |
| Wednesday, July 17 |
| » Lost to Cubs (25-51), 7-4 | West Side Grounds (2-2) | 33-30 | |
| » Starters: Willie Mills vs Rube Waddell | Fifth | 6½ out |
| Thursday, July 18 |
| » Lost to Cubs (26-51), 6-5 | West Side Grounds (2-3) | 33-31 | Lost 2 |
| » Starters: Dummy Taylor vs Mal Eason | Fifth | 6½ out |
| Friday, July 19 |
| » Lost to Cubs (27-51), 5-2 | West Side Grounds (2-4) | 33-32 | Lost 3 |
| » Starters: Christy Mathewson vs Jack Taylor | Fifth | 6½ out |
| Saturday, July 20 |
| » Lost to Cubs (28-51), 7-2 | West Side Grounds (2-5) | 33-33 | Lost 4 |
| » Starters: Bill Phyle vs Rube Waddell | Fifth | 7½ out |
| Sunday, July 21 |
| » Lost to Cubs (29-51), 5-2 | West Side Grounds (2-6) | 33-34 | Lost 5 |
| » Starters: Dummy Taylor vs Mal Eason | Sixth | 8 out |
| Tuesday, July 23 |
| » Lost to Dodgers (41-34), 8-3 | Polo Grounds IV (21-9) | 33-35 | Lost 6 |
| » Starters: Jim Hughes vs Christy Mathewson | Fifth | 9 out |
| Wednesday, July 24 |
| » Defeated Dodgers (41-35), 10-8 | Washington Park III (2-1) | 34-35 | |
| » Starters: Bill Phyle vs Bill Donovan | Fifth | 9 out |
| Thursday, July 25 |
| » Lost to Dodgers (42-35), 5-0 | Polo Grounds IV (21-10) | 34-36 | |
| » Starters: Frank Kitson vs Christy Mathewson | Fifth | 10 out |
| Friday, July 26 |
| » Lost to Braves (35-40), 4-3 | Polo Grounds IV (21-11) | 34-37 | Lost 2 |
| » Starters: Vic Willis vs Bill Phyle | Fifth | 10 out |
| Saturday, July 27 |
| » Lost to Braves (36-40), 3-1 | Polo Grounds IV (21-12) | 34-38 | Lost 3 |
| » Starters: Bill Dinneen vs Dummy Taylor | Sixth | 11 out |
| Sunday, July 28 |
| Future Giant Freddie Fitzsimmons is born in Mishawaka, IN. |
| Monday, July 29 |
| » Lost to Braves (37-40), 5-4 | Polo Grounds IV (21-13) | 34-39 | Lost 4 |
| » Starters: Kid Nichols vs Christy Mathewson | Sixth | 11½ out |
| Tuesday, July 30 |
| » Lost to Braves (38-40), 5-4 | South End Grounds III (1-3) | 34-40 | Lost 5 |
| » Starters: Dummy Taylor vs Togie Pittinger | Sixth | 12 out |
| Wednesday, July 31 |
| » Lost to Braves (39-40), 5-0 | South End Grounds III (1-4) | 34-41 | Lost 6 |
| » Starters: Roger Denzer vs Vic Willis | Sixth | 12½ out |
| Thursday, August 1 |
| » Defeated Braves (39-41), 9-8 | South End Grounds III (2-4) | 35-41 | |
| » Starters: Christy Mathewson vs Bill Dinneen | Sixth | 12 out |
| Friday, August 2 |
| » Defeated Phillies (47-36), 5-3 | Polo Grounds IV (22-13) | 36-41 | Won 2 |
| » Starters: Red Donahue vs Dummy Taylor | Sixth | 11½ out |
| Saturday, August 3 |
| » Lost to Phillies (48-36), 5-0 | Polo Grounds IV (22-14) | 36-42 | |
| » Starters: Al Orth vs Roger Denzer | Sixth | 11½ out |
| Monday, August 5 |
| » Lost to Phillies (49-36), 6-3 | Polo Grounds IV (22-15) | 36-43 | Lost 2 |
| » Starters: Happy Townsend vs Christy Mathewson | Sixth | 12½ out |
| » Lost to Phillies (50-36), 10-0 | Polo Grounds IV (22-16) | 36-44 | Lost 3 |
| » Starters: Bill Duggleby vs Dummy Taylor | Sixth | 12½ out |
| Thursday, August 8 |
| » Lost to Dodgers (46-41), 3-0 | Polo Grounds IV (22-17) | 36-45 | Lost 4 |
| » Starters: Frank Kitson vs Dummy Taylor | Sixth | 14 out |
| » Defeated Dodgers (46-42), 4-1 | Polo Grounds IV (23-17) | 37-45 | |
| » Starters: Jim Hughes vs Christy Mathewson | Sixth | 14 out |
| Friday, August 9 |
| » Lost to Phillies (53-37), 13-2 | Baker Bowl (1-4) | 37-46 | |
| » Starters: Dummy Deegan vs Happy Townsend | Sixth | 14 out |
| Saturday, August 10 |
| » Lost to Phillies (54-37), 5-3 | Baker Bowl (1-5) | 37-47 | Lost 2 |
| » Starters: Dummy Taylor vs Red Donahue | Sixth | 14½ out |
| Tuesday, August 13 |
| » Lost to Braves (44-46), 3-0 | Polo Grounds IV (23-18) | 37-48 | Lost 3 |
| » Starters: Kid Nichols vs Christy Mathewson | Sixth | 15½ out |
| Wednesday, August 14 |
| » Lost to Braves (45-46), 8-3 | Polo Grounds IV (23-19) | 37-49 | Lost 4 |
| » Starters: Vic Willis vs Dummy Taylor | Sixth | 15½ out |
| » Defeated Braves (45-47), 3-0 | Polo Grounds IV (24-19) | 38-49 | |
| » Starters: Bill Dinneen vs Roger Denzer | Sixth | 15½ out |
| Thursday, August 15 |
| » Lost to Braves (46-47), 3-2 | Polo Grounds IV (24-20) | 38-50 | |
| » Starters: Togie Pittinger vs Dummy Leitner | Sixth | 16 out |
| » Tied Braves, 5-5 | Polo Grounds IV (24-20) | 38-50 | |
| » Starters: Kid Nichols vs Christy Mathewson | Sixth | 16 out |
| Friday, August 16 |
| » Lost to Dodgers (52-43), 4-1 | Washington Park III (2-2) | 38-51 | Lost 2 |
| » Starters: Dummy Taylor vs Jim Hughes | Sixth | 16½ out |
| Saturday, August 17 |
| » Lost to Dodgers (53-43), 4-2 | Polo Grounds IV (24-21) | 38-52 | Lost 3 |
| » Starters: Frank Kitson vs Roger Denzer | Sixth | 18 out |
| » Lost to Dodgers (54-43), 6-1 | Polo Grounds IV (24-22) | 38-53 | Lost 4 |
| » Starters: Doc Newton vs Dummy Leitner | Sixth | 18 out |
| Monday, August 19 |
| » Lost to Braves (47-50), 11-6 | South End Grounds III (2-5) | 38-54 | Lost 5 |
| » Starters: Christy Mathewson vs Kid Nichols | Seventh | 18½ out |
| Tuesday, August 20 |
| » Defeated Braves (47-51), 3-0 | South End Grounds III (3-5) | 39-54 | |
| » Starters: Dummy Taylor vs Vic Willis | Seventh | 18½ out |
| Wednesday, August 21 |
| » Lost to Braves (48-51), 5-2 | South End Grounds III (3-6) | 39-55 | |
| » Starters: Roger Denzer vs Bill Dinneen | Seventh | 18½ out |
| Thursday, August 22 |
| » Lost to Dodgers (57-44), 7-1 | Washington Park III (2-3) | 39-56 | Lost 2 |
| » Starters: Charlie Hickman vs Doc Newton | Seventh | 19½ out |
| Friday, August 23 |
| » Lost to Dodgers (58-44), 4-1 | Polo Grounds IV (24-23) | 39-57 | Lost 3 |
| » Starters: Brickyard Kennedy vs Dummy Taylor | Sixth | 20 out |
| Monday, August 26 |
| » Defeated Phillies (59-45), 3-1 | Baker Bowl (2-5) | 40-57 | |
| » Starters: Christy Mathewson vs Red Donahue | Seventh | 19½ out |
| Tuesday, August 27 |
| » Defeated Phillies (59-46), 5-3 | Baker Bowl (3-5) | 41-57 | Won 2 |
| » Starters: Charlie Hickman vs Al Orth | Seventh | 19 out |
| » Defeated Phillies (59-47), 5-4 | Baker Bowl (4-5) | 42-57 | Won 3 |
| » Starters: Dummy Taylor vs Bill Duggleby | Seventh | 19 out |
| Wednesday, August 28 |
| » Lost to Phillies (60-47), 13-4 | Baker Bowl (4-6) | 42-58 | |
| » Starters: Roger Denzer vs Doc White | Seventh | 19 out |
| Thursday, August 29 |
| » Lost to Phillies (61-47), 7-6 | Polo Grounds IV (24-24) | 42-59 | Lost 2 |
| » Starters: Happy Townsend vs Dummy Taylor | Seventh | 19½ out |
| Friday, August 30 |
| » Lost to Phillies (62-47), 8-0 | Polo Grounds IV (24-25) | 42-60 | Lost 3 |
| » Starters: Bill Duggleby vs Christy Mathewson | Seventh | 20 out |
| Saturday, August 31 |
| » Lost to Phillies (63-47), 4-2 | Polo Grounds IV (24-26) | 42-61 | Lost 4 |
| » Starters: Red Donahue vs Charlie Hickman | Eighth | 20½ out |
| Monday, September 2 |
| » Defeated Cubs (46-68), 6-1 | Polo Grounds IV (25-26) | 43-61 | |
| » Starters: Tom Hughes vs Dummy Taylor | Eighth | 21½ out |
| » Lost to Cubs (47-68), 3-1 | Polo Grounds IV (25-27) | 43-62 | |
| » Starters: Mal Eason vs Charlie Hickman | Eighth | 21½ out |
| Tuesday, September 3 |
| » Lost to Cubs (48-68), 10-4 | Polo Grounds IV (25-28) | 43-63 | Lost 2 |
| » Starters: Jock Menefee vs Al Maul | Eighth | 22½ out |
| Wednesday, September 4 |
| » Lost to Pirates (66-41), 12-6 | Polo Grounds IV (25-29) | 43-64 | Lost 3 |
| » Starters: Jesse Tannehill vs Dummy Taylor | Eighth | 24½ out |
| » Lost to Pirates (67-41), 10-3 | Polo Grounds IV (25-30) | 43-65 | Lost 4 |
| » Starters: Jack Chesbro vs Charlie Hickman | Eighth | 24½ out |
| Thursday, September 5 |
| » Lost to Pirates (68-41), 15-1 | Polo Grounds IV (25-31) | 43-66 | Lost 5 |
| » Starters: Ed Doheny vs Al Maul | Eighth | 26½ out |
| » Lost to Pirates (69-41), 15-7 | Polo Grounds IV (25-32) | 43-67 | Lost 6 |
| » Starters: Ed Poole vs Larry Hesterfer | Eighth | 26½ out |
| Friday, September 6 |
| » Lost to Pirates (70-41), 15-2 | Polo Grounds IV (25-33) | 43-68 | Lost 7 |
| » Starters: Sam Leever vs Charlie Hickman | Eighth | 28½ out |
| » Lost to Pirates (71-41), 13-4 | Polo Grounds IV (25-34) | 43-69 | Lost 8 |
| » Starters: George Merritt vs Bill Phyle | Eighth | 28½ out |
| Saturday, September 7 |
| » Defeated Cardinals (62-56), 5-2 | Polo Grounds IV (26-34) | 44-69 | |
| » Starters: Jack Powell vs Dummy Taylor | Eighth | 27½ out |
| Monday, September 9 |
| » Defeated Cardinals (62-57), 5-1 | Polo Grounds IV (27-34) | 45-69 | Won 2 |
| » Starters: Ed Murphy vs Christy Mathewson | Eighth | 28 out |
| » Lost to Cardinals (63-57), 11-3 | Polo Grounds IV (27-35) | 45-70 | |
| » Starters: Willie Sudhoff vs Al Maul | Eighth | 28 out |
| Tuesday, September 10 |
| » Tied Cardinals, 3-3 | Polo Grounds IV (27-35) | 45-70 | |
| » Starters: Jack Harper vs Bill Magee | Eighth | 28½ out |
| Wednesday, September 11 |
| » Lost to Reds (45-68), 4-2 | Polo Grounds IV (27-36) | 45-71 | Lost 2 |
| » Starters: Archie Stimmel vs Bill Phyle | Eighth | 29½ out |
| Thursday, September 12 |
| » Lost to Reds (46-68), 5-3 | Polo Grounds IV (27-37) | 45-72 | Lost 3 |
| » Starters: Jack Sutthoff vs Bill Magee | Eighth | 30 out |
| Friday, September 13 |
| » Defeated Reds (46-69), 3-1 | Polo Grounds IV (28-37) | 46-72 | |
| » Starters: Noodles Hahn vs Charlie Hickman | Seventh | 28 out |
| » Defeated Reds (46-70), 3-0 | Polo Grounds IV (29-37) | 47-72 | Won 2 |
| » Starters: Bill Phillips vs Dummy Taylor | Seventh | 28 out |
| Saturday, September 14 |
| » Lost to Braves (62-61), 9-2 | South End Grounds III (3-7) | 47-73 | |
| » Starters: Bill Phyle vs Kid Nichols | Seventh | 29½ out |
| Monday, September 16 |
| » Lost to Braves (63-61), 3-2 | Polo Grounds IV (29-38) | 47-74 | Lost 2 |
| » Starters: Bill Dinneen vs Bill Magee | Seventh | 30 out |
| » Defeated Braves (63-62), 4-2 | Polo Grounds IV (30-38) | 48-74 | |
| » Starters: Togie Pittinger vs Dummy Taylor | Seventh | 30 out |
| Tuesday, September 17 |
| » Defeated Dodgers (71-53), 10-6 | Washington Park III (3-3) | 49-74 | Won 2 |
| » Starters: Charlie Hickman vs Jim Hughes | Seventh | 30 out |
| Friday, September 20 |
| » Major-league debuts: Pat Carney (Braves) |
| Saturday, September 21 |
| » Defeated Reds (46-75), 5-1 | League Park II (4-4) | 50-74 | Won 3 |
| » Starters: Christy Mathewson vs Bill Phillips | Sixth | 30½ out |
| » Major-league debuts: Pete O'Brien (Reds) |
| Sunday, September 22 |
| » Lost to Reds (47-75), 13-0 | League Park II (4-5) | 50-75 | |
| » Starters: Charlie Hickman vs Noodles Hahn | Fifth | 31 out |
| » Defeated Reds (47-76), 10-2 | League Park II (5-5) | 51-75 | |
| » Starters: Dummy Taylor vs Archie Stimmel | Fifth | 31 out |
| Monday, September 23 |
| » Lost to Pirates (83-45), 5-4 | Exposition Park III (1-7) | 51-76 | |
| » Starters: Dummy Taylor vs Ed Doheny | Fifth | 32 out |
| Tuesday, September 24 |
| » Lost to Pirates (84-45), 14-9 | Exposition Park III (1-8) | 51-77 | Lost 2 |
| » Starters: Bill Magee vs George Merritt | Fifth | 33 out |
| Wednesday, September 25 |
| » Lost to Pirates (85-45), 10-5 | Exposition Park III (1-9) | 51-78 | Lost 3 |
| » Starters: Christy Mathewson vs Jesse Tannehill | Fifth | 34 out |
| Thursday, September 26 |
| » Defeated Cubs (51-84), 5-1 | West Side Grounds (3-6) | 52-78 | |
| » Starters: Dummy Taylor vs Jack Taylor | Sixth | 34 out |
| Saturday, September 28 |
| » Lost to Cubs (52-84), 5-2 | West Side Grounds (3-7) | 52-79 | |
| » Starters: Bill Phyle vs Jock Menefee | Sixth | 35 out |
| Sunday, September 29 |
| » Lost to Cardinals (72-63), 9-4 | Robison Field (3-5) | 52-80 | Lost 2 |
| » Starters: Bill Magee vs Jack Powell | Sixth | 35 out |
| » Lost to Cardinals (73-63), 3-2 | Robison Field (3-6) | 52-81 | Lost 3 |
| » Starters: Dummy Taylor vs Stan Yerkes | Sixth | 35 out |
| Monday, September 30 |
| » Lost to Cardinals (74-63), 12-4 | Robison Field (3-7) | 52-82 | Lost 4 |
| » Starters: Heinie Smith vs Mike O'Neill | Seventh | 35½ out |
| » Lost to Cardinals (75-63), 6-5 | Robison Field (3-8) | 52-83 | Lost 5 |
| » Starters: Jim Jones vs Ed Murphy | Seventh | 35½ out |
| Saturday, October 5 |
| » Lost to Dodgers (78-56), 8-0 | Washington Park III (3-4) | 52-84 | Lost 6 |
| » Starters: Dummy Taylor vs Bill Donovan | Seventh | 37 out |
| » Lost to Dodgers (79-56), 4-2 | Washington Park III (3-5) | 52-85 | Lost 7 |
| » Starters: Christy Mathewson vs Gene Wright | Seventh | 37 out |
| » Major-league debuts: Harry Felix (Giants) |
| Sunday, December 1 |
| Future Giant Mike Cvengros is born in Pana, IL. |
| Thursday, December 26 |
| Future Giant Doc Farrell is born in Johnson City, NY. |
Game information provided by Retrosheet (www.retrosheet.org) |