| 1958-04-15 | @ CIN | 1 | W 5-4 | 1-0 | 2 | 32,849 | Robin Roberts | Brooks Lawrence | Ray Semproch | Bill Wight | | 5 | 4 | 1 |
| 1958-04-18 | vs MLN | 2 | L 2-4 | 1-1 | 5 | 31,624 | Jack Sanford | Bob Buhl | Bob Buhl | Jack Sanford | Don McMahon | 7 | 8 | -1 |
| 1958-04-19 | vs MLN | 3 | L 0-5 | 1-2 | 6 | 8,579 | Curt Simmons | Warren Spahn | Warren Spahn | Curt Simmons | | 7 | 13 | -6 |
| 1958-04-20 | vs MLN | 4 | W 3-2 | 2-2 | 5 | 16,366 | Robin Roberts | Bob Trowbridge | Robin Roberts | Bob Rush | | 10 | 15 | -5 |
| 1958-04-21 | vs CIN | 5 | L 2-4 | 2-3 | 5 | 11,764 | Ray Semproch | Bob Kelly | Hal Jeffcoat | Jim Hearn | Johnny Klippstein | 12 | 19 | -7 |
| 1958-04-23 | vs PIT | 6 | W 8-1 | 3-3 | 4 | 7,668 | Jack Sanford | Ron Blackburn | Jack Sanford | Ron Blackburn | | 20 | 20 | 0 |
| 1958-04-24 | vs PIT | 7 | L 4-7 | 3-4 | 5 | 7,456 | Curt Simmons | Bob Friend | Bob Friend | Curt Simmons | Roy Face | 24 | 27 | -3 |
| 1958-04-25 | @ MLN | 8 | L 0-4 | 3-5 | 7 | 15,891 | Robin Roberts | Bob Rush | Bob Rush | Robin Roberts | | 24 | 31 | -7 |
| 1958-04-26 | @ MLN | 9 | L 2-4 | 3-6 | 7 | 15,391 | Ray Semproch | Bob Buhl | Bob Buhl | Ray Semproch | | 26 | 35 | -9 |
| 1958-04-27 | @ MLN | 10 | W 6-2 | 4-6 | 7 | 18,408 | Jack Sanford | Lew Burdette | Jack Sanford | Lew Burdette | | 32 | 37 | -5 |
| 1958-04-29 | @ SFN | 11 | W 7-4 | 5-6 | 6 | 6,801 | Curt Simmons | Ramon Monzant | Curt Simmons | Ramon Monzant | Turk Farrell | 39 | 41 | -2 |
| 1958-04-30 | @ SFN | 12 | L 1-10 | 5-7 | 6 | 7,886 | Robin Roberts | Johnny Antonelli | Johnny Antonelli | Robin Roberts | | 40 | 51 | -11 |
| 1958-05-01 | @ SFN | 13 | W 7-0 | 6-7 | 6 | 6,728 | Ray Semproch | Ruben Gomez | Ray Semproch | Ruben Gomez | | 47 | 51 | -4 |
| 1958-05-02 | @ SFN | 14 | L 2-4 | 6-8 | 6 | 13,486 | Jack Sanford | Mike McCormick | Mike McCormick | Jack Sanford | Marv Grissom | 49 | 55 | -6 |
| 1958-05-03 | @ SFN | 15 | W 4-2 | 7-8 | 6 | 13,073 | Curt Simmons | Ramon Monzant | Curt Simmons | Ramon Monzant | Turk Farrell | 53 | 57 | -4 |
| 1958-05-04 | @ LAN | 16 | L 7-8 | 7-10 | 7 | 0 | Robin Roberts | Carl Erskine | Don Bessent | Robin Roberts | Ed Roebuck | 60 | 65 | -5 |
| 1958-05-04 | @ LAN | 17 | L 2-15 | 7-10 | 7 | 38,453 | Warren Hacker | Danny McDevitt | Danny McDevitt | Warren Hacker | | 62 | 80 | -18 |
| 1958-05-05 | @ LAN | 18 | W 8-3 | 8-10 | 6 | 18,075 | Ray Semproch | Don Drysdale | Ray Semproch | Don Drysdale | | 70 | 83 | -13 |
| 1958-05-06 | @ LAN | 19 | L 6-7 | 8-11 | 7 | 15,799 | Jack Sanford | Sandy Koufax | Don Drysdale | Turk Farrell | | 76 | 90 | -14 |
| 1958-05-07 | @ LAN | 20 | W 9-3 | 9-11 | 6 | 8,192 | Curt Simmons | Fred Kipp | Curt Simmons | Fred Kipp | | 85 | 93 | -8 |
| 1958-05-09 | @ PIT | 21 | L 0-1 | 9-12 | 6 | 21,304 | Robin Roberts | Ron Kline | Ron Kline | Robin Roberts | | 85 | 94 | -9 |
| 1958-05-10 | @ PIT | 22 | L 4-14 | 9-13 | 6 | 11,807 | Ray Semproch | Vern Law | Vern Law | Ray Semproch | | 89 | 108 | -19 |
| 1958-05-11 | @ PIT | 23 | L 4-10 | 9-15 | 7 | 0 | Jack Sanford | Bob Friend | Bob Friend | Jack Sanford | | 93 | 118 | -25 |
| 1958-05-11 | @ PIT | 24 | L 0-1 | 9-15 | 7 | 20,544 | Curt Simmons | Bob Porterfield | Bob Porterfield | Curt Simmons | | 93 | 119 | -26 |
| 1958-05-13 | vs MLN | 25 | W 5-2 | 10-15 | 6 | 13,906 | Robin Roberts | Bob Buhl | Robin Roberts | Bob Buhl | | 98 | 121 | -23 |
| 1958-05-14 | vs MLN | 26 | L 1-4 | 10-16 | 7 | 13,803 | Ray Semproch | Warren Spahn | Warren Spahn | Ray Semproch | | 99 | 125 | -26 |
| 1958-05-16 | vs PIT | 27 | W 6-2 | 11-16 | 7 | 12,401 | Curt Simmons | Bob Porterfield | Curt Simmons | Bob Porterfield | | 105 | 127 | -22 |
| 1958-05-17 | vs PIT | 28 | W 4-3 | 12-16 | 6 | 6,262 | Robin Roberts | Bennie Daniels | Robin Roberts | Bennie Daniels | | 109 | 130 | -21 |
| 1958-05-18 | vs PIT | 29 | W 6-4 | 14-16 | 4 | 0 | Jack Sanford | Ron Kline | Jack Sanford | Ron Kline | Turk Farrell | 115 | 134 | -19 |
| 1958-05-18 | vs PIT | 30 | W 6-2 | 14-16 | 4 | 19,068 | Ray Semproch | Vern Law | Ray Semproch | Vern Law | | 121 | 136 | -15 |
| 1958-05-20 | vs SLN | 31 | L 0-5 | 14-17 | 5 | 14,669 | Curt Simmons | Lindy McDaniel | Lindy McDaniel | Curt Simmons | | 121 | 141 | -20 |
| 1958-05-21 | vs SLN | 32 | W 1-0 | 15-17 | 4 | 16,621 | Robin Roberts | Sam Jones | Robin Roberts | Sam Jones | | 122 | 141 | -19 |
| 1958-05-22 | vs CHN | 33 | L 4-7 | 15-18 | 5 | 5,819 | Jack Sanford | Moe Drabowsky | Moe Drabowsky | Jack Sanford | Don Elston | 126 | 148 | -22 |
| 1958-05-23 | vs CHN | 34 | L 4-11 | 15-19 | 5 | 10,664 | Ray Semproch | Glen Hobbie | Glen Hobbie | Ray Semproch | | 130 | 159 | -29 |
| 1958-05-24 | vs CHN | 35 | W 5-4 | 16-19 | 5 | 5,210 | Curt Simmons | Dick Drott | Turk Farrell | Don Elston | | 135 | 163 | -28 |
| 1958-05-26 | vs LAN | 36 | L 1-2 | 16-20 | 5 | 12,807 | Robin Roberts | Carl Erskine | Carl Erskine | Robin Roberts | | 136 | 165 | -29 |
| 1958-05-27 | vs SFN | 37 | W 5-1 | 17-20 | 4 | 15,718 | Jack Sanford | Stu Miller | Jack Sanford | Stu Miller | | 141 | 166 | -25 |
| 1958-05-28 | vs SFN | 38 | L 6-7 | 17-21 | 5 | 10,561 | Ray Semproch | Johnny Antonelli | Marv Grissom | Turk Farrell | | 147 | 173 | -26 |
| 1958-05-30 | vs CIN | 39 | L 1-10 | 17-22 | 7 | 11,129 | Curt Simmons | Harvey Haddix | Harvey Haddix | Curt Simmons | | 148 | 183 | -35 |
| 1958-05-31 | vs CIN | 40 | W 5-4 | 18-22 | 6 | 6,641 | Robin Roberts | Joe Nuxhall | Robin Roberts | Joe Nuxhall | | 153 | 187 | -34 |
| 1958-06-01 | vs CIN | 41 | L 1-2 | 18-24 | 7 | 0 | Jack Sanford | Bob Purkey | Bob Purkey | Jack Sanford | | 154 | 189 | -35 |
| 1958-06-01 | vs CIN | 42 | L 11-12 | 18-24 | 7 | 20,028 | Ray Semproch | Brooks Lawrence | Joe Nuxhall | Turk Farrell | | 165 | 201 | -36 |
| 1958-06-03 | @ CHN | 43 | L 4-12 | 18-25 | 7 | 5,071 | Curt Simmons | Taylor Phillips | Taylor Phillips | Curt Simmons | | 169 | 213 | -44 |
| 1958-06-04 | @ CHN | 44 | L 5-11 | 18-26 | 7 | 5,289 | Robin Roberts | Moe Drabowsky | Moe Drabowsky | Robin Roberts | | 174 | 224 | -50 |
| 1958-06-05 | @ CHN | 45 | W 7-6 | 19-26 | 7 | 3,046 | Jack Sanford | Glen Hobbie | Ray Semproch | Don Elston | Turk Farrell | 181 | 230 | -49 |
| 1958-06-06 | @ SLN | 46 | L 1-3 | 19-27 | 7 | 17,559 | Seth Morehead | Sam Jones | Sam Jones | Seth Morehead | | 182 | 233 | -51 |
| 1958-06-07 | @ SLN | 47 | W 15-6 | 20-27 | 7 | 10,839 | Curt Simmons | Lindy McDaniel | Curt Simmons | Lindy McDaniel | | 197 | 239 | -42 |
| 1958-06-08 | @ SLN | 48 | L 5-6 | 21-28 | 8 | 0 | Robin Roberts | Larry Jackson | Billy Muffett | Jack Meyer | | 202 | 245 | -43 |
| 1958-06-08 | @ SLN | 49 | W 6-4 | 21-28 | 8 | 22,022 | Jack Sanford | Jim Brosnan | Turk Farrell | Lindy McDaniel | | 208 | 249 | -41 |
| 1958-06-10 | @ LAN | 50 | W 3-2 | 22-28 | 7 | 19,671 | Ray Semproch | Don Newcombe | Ray Semproch | Don Newcombe | | 211 | 251 | -40 |
| 1958-06-11 | @ LAN | 51 | L 4-7 | 22-29 | 8 | 16,236 | Curt Simmons | Don Drysdale | Don Drysdale | Jim Hearn | | 215 | 258 | -43 |
| 1958-06-12 | @ LAN | 52 | W 4-3 | 23-29 | 7 | 9,899 | Jack Sanford | Stan Williams | Turk Farrell | Stan Williams | | 219 | 261 | -42 |
| 1958-06-13 | @ SFN | 53 | L 1-6 | 23-30 | 8 | 18,068 | Robin Roberts | Johnny Antonelli | Johnny Antonelli | Robin Roberts | | 220 | 267 | -47 |
| 1958-06-14 | @ SFN | 54 | W 3-2 | 24-30 | 8 | 16,363 | Ray Semproch | Mike McCormick | Ray Semproch | Ramon Monzant | | 223 | 269 | -46 |
| 1958-06-15 | @ SFN | 55 | L 1-3 | 24-31 | 8 | 22,462 | Curt Simmons | Al Worthington | Al Worthington | Curt Simmons | | 224 | 272 | -48 |
| 1958-06-17 | vs LAN | 56 | W 9-6 | 25-31 | 7 | 16,823 | Jack Sanford | Don Drysdale | Jack Sanford | Clem Labine | Turk Farrell | 233 | 278 | -45 |
| 1958-06-18 | vs LAN | 57 | L 0-3 | 25-32 | 8 | 11,399 | Robin Roberts | Stan Williams | Stan Williams | Robin Roberts | | 233 | 281 | -48 |
| 1958-06-19 | vs LAN | 58 | W 9-3 | 26-32 | 7 | 13,506 | Ray Semproch | Johnny Podres | Ray Semproch | Johnny Podres | | 242 | 284 | -42 |
| 1958-06-20 | vs SFN | 59 | W 5-4 | 27-32 | 7 | 14,877 | Curt Simmons | Mike McCormick | Jim Hearn | Ruben Gomez | | 247 | 288 | -41 |
| 1958-06-22 | vs SFN | 60 | L 4-5 | 28-33 | 7 | 0 | Seth Morehead | Ramon Monzant | Johnny Antonelli | Ray Semproch | | 251 | 293 | -42 |
| 1958-06-22 | vs SFN | 61 | W 3-2 | 28-33 | 7 | 30,454 | Robin Roberts | Ruben Gomez | Robin Roberts | Ruben Gomez | | 254 | 295 | -41 |
| 1958-06-24 | vs CHN | 62 | L 0-3 | 28-34 | 7 | 21,656 | Jack Sanford | John Briggs | John Briggs | Jack Sanford | | 254 | 298 | -44 |
| 1958-06-25 | vs CHN | 63 | W 5-4 | 29-34 | 7 | 11,796 | Ray Semproch | Taylor Phillips | Turk Farrell | Don Elston | | 259 | 302 | -43 |
| 1958-06-27 | vs SLN | 64 | W 5-4 | 30-34 | 7 | 24,918 | Robin Roberts | Jim Brosnan | Turk Farrell | Billy Muffett | | 264 | 306 | -42 |
| 1958-06-28 | vs SLN | 65 | L 1-8 | 30-35 | 7 | 11,010 | Curt Simmons | Sal Maglie | Sal Maglie | Curt Simmons | | 265 | 314 | -49 |
| 1958-06-29 | vs SLN | 66 | W 5-4 | 31-36 | 7 | 0 | Seth Morehead | Sam Jones | Jack Meyer | Larry Jackson | | 270 | 318 | -48 |
| 1958-06-29 | vs SLN | 67 | L 3-4 | 31-36 | 7 | 27,554 | Jack Sanford | Vinegar Bend Mizell | Vinegar Bend Mizell | Jack Sanford | Jim Brosnan | 273 | 322 | -49 |
| 1958-07-01 | @ PIT | 68 | W 4-2 | 32-36 | 7 | 17,990 | Ray Semproch | Bob Friend | Ray Semproch | Bob Friend | | 277 | 324 | -47 |
| 1958-07-03 | @ MLN | 69 | W 3-1 | 33-36 | 7 | 17,624 | Robin Roberts | Carl Willey | Robin Roberts | Carl Willey | | 280 | 325 | -45 |
| 1958-07-04 | @ MLN | 70 | W 5-1 | 35-36 | 5 | 0 | Curt Simmons | Bob Rush | Curt Simmons | Bob Rush | Turk Farrell | 285 | 326 | -41 |
| 1958-07-04 | @ MLN | 71 | W 4-0 | 35-36 | 5 | 23,706 | Jack Sanford | Warren Spahn | Jack Sanford | Warren Spahn | | 289 | 326 | -37 |
| 1958-07-05 | @ CIN | 72 | W 8-5 | 36-36 | 5 | 6,954 | Jack Meyer | Harvey Haddix | Turk Farrell | Willard Schmidt | | 297 | 331 | -34 |
| 1958-07-06 | @ CIN | 73 | W 7-1 | 37-37 | 5 | 0 | Ray Semproch | Brooks Lawrence | Ray Semproch | Brooks Lawrence | | 304 | 332 | -28 |
| 1958-07-06 | @ CIN | 74 | L 4-11 | 37-37 | 5 | 14,851 | Seth Morehead | Joe Nuxhall | Joe Nuxhall | Seth Morehead | Hal Jeffcoat | 308 | 343 | -35 |
| 1958-07-10 | @ SLN | 75 | W 13-3 | 38-37 | 5 | 17,619 | Robin Roberts | Sal Maglie | Robin Roberts | Sal Maglie | | 321 | 346 | -25 |
| 1958-07-11 | @ SLN | 76 | L 2-6 | 38-38 | 5 | 16,095 | Jack Sanford | Sam Jones | Sam Jones | Jack Sanford | | 323 | 352 | -29 |
| 1958-07-12 | @ CHN | 77 | W 12-2 | 39-38 | 4 | 17,114 | Ray Semproch | Dick Drott | Ray Semproch | Dick Drott | | 335 | 354 | -19 |
| 1958-07-13 | @ CHN | 78 | L 2-3 | 39-40 | 5 | 0 | Jack Meyer | John Briggs | John Briggs | Jack Meyer | | 337 | 357 | -20 |
| 1958-07-13 | @ CHN | 79 | L 1-2 | 39-40 | 5 | 30,415 | Curt Simmons | Dave Hillman | Dave Hillman | Curt Simmons | | 338 | 359 | -21 |
| 1958-07-14 | @ CHN | 80 | L 10-11 | 39-41 | 5 | 5,610 | Don Cardwell | Taylor Phillips | Glen Hobbie | Ray Semproch | | 348 | 370 | -22 |
| 1958-07-15 | @ SFN | 81 | L 0-1 | 39-42 | 6 | 14,523 | Robin Roberts | Mike McCormick | Mike McCormick | Robin Roberts | | 348 | 371 | -23 |
| 1958-07-16 | @ SFN | 82 | L 2-9 | 39-43 | 6 | 10,250 | Jack Sanford | Johnny Antonelli | Johnny Antonelli | Jack Sanford | | 350 | 380 | -30 |
| 1958-07-17 | @ SFN | 83 | L 7-8 | 39-44 | 7 | 10,259 | Ray Semproch | Ruben Gomez | Marv Grissom | Turk Farrell | | 357 | 388 | -31 |
| 1958-07-18 | @ LAN | 84 | L 6-8 | 39-45 | 8 | 24,533 | Don Cardwell | Sandy Koufax | Carl Erskine | Jack Sanford | Clem Labine | 363 | 396 | -33 |
| 1958-07-19 | @ LAN | 85 | W 6-2 | 40-45 | 7 | 30,962 | Robin Roberts | Sandy Koufax | Robin Roberts | Sandy Koufax | | 369 | 398 | -29 |
| 1958-07-20 | @ LAN | 86 | L 0-6 | 40-46 | 8 | 17,506 | Curt Simmons | Johnny Podres | Johnny Podres | Curt Simmons | | 369 | 404 | -35 |
| 1958-07-23 | vs SFN | 87 | W 2-0 | 41-46 | 7 | 23,050 | Ray Semproch | Mike McCormick | Ray Semproch | Mike McCormick | | 371 | 404 | -33 |
| 1958-07-25 | vs LAN | 88 | L 3-7 | 41-47 | 7 | 19,171 | Don Cardwell | Johnny Podres | Clem Labine | Jim Hearn | Fred Kipp | 374 | 411 | -37 |
| 1958-07-26 | vs LAN | 89 | L 4-10 | 41-48 | 8 | 18,117 | Jack Sanford | Sandy Koufax | Sandy Koufax | Jack Sanford | | 378 | 421 | -43 |
| 1958-07-27 | vs LAN | 90 | W 7-4 | 43-48 | 7 | 0 | Robin Roberts | Stan Williams | Robin Roberts | Stan Williams | | 385 | 425 | -40 |
| 1958-07-27 | vs LAN | 91 | W 6-2 | 43-48 | 7 | 17,666 | Curt Simmons | Bob Giallombardo | Jim Hearn | Fred Kipp | | 391 | 427 | -36 |
| 1958-07-28 | vs SFN | 92 | L 2-3 | 43-50 | 7 | 0 | Ray Semproch | Mike McCormick | Mike McCormick | Turk Farrell | | 393 | 430 | -37 |
| 1958-07-28 | vs SFN | 93 | L 1-2 | 43-50 | 7 | 29,805 | Jack Meyer | Ruben Gomez | Ruben Gomez | Jack Meyer | | 394 | 432 | -38 |
| 1958-07-29 | vs SLN | 94 | W 3-2 | 44-50 | 7 | 20,894 | Don Cardwell | Sam Jones | Bob Miller | Phil Paine | | 397 | 434 | -37 |
| 1958-07-30 | vs SLN | 95 | W 5-1 | 45-50 | 7 | 14,706 | Jack Sanford | Billy Muffett | Jack Sanford | Billy Muffett | Turk Farrell | 402 | 435 | -33 |
| 1958-07-31 | vs SLN | 96 | W 4-3 | 46-50 | 6 | 16,695 | Jim Hearn | Larry Jackson | Jim Hearn | Larry Jackson | Turk Farrell | 406 | 438 | -32 |
| 1958-08-01 | vs CHN | 97 | W 3-1 | 47-50 | 5 | 16,258 | Robin Roberts | Dave Hillman | Robin Roberts | Dave Hillman | | 409 | 439 | -30 |
| 1958-08-02 | vs CHN | 98 | L 5-6 | 47-51 | 6 | 8,821 | Curt Simmons | John Briggs | Bill Henry | Bob Miller | Don Elston | 414 | 445 | -31 |
| 1958-08-03 | vs CHN | 99 | W 8-2 | 48-52 | 6 | 0 | Ray Semproch | Taylor Phillips | Ray Semproch | Taylor Phillips | | 422 | 447 | -25 |
| 1958-08-03 | vs CHN | 100 | L 10-12 | 48-52 | 6 | 16,211 | Jack Meyer | Bob Anderson | Marcelino Solis | Jack Meyer | Bill Henry | 432 | 459 | -27 |
| 1958-08-05 | @ CIN | 101 | L 5-6 | 48-53 | 6 | 9,107 | Jack Sanford | Don Newcombe | Joe Nuxhall | Turk Farrell | | 437 | 465 | -28 |
| 1958-08-06 | @ CIN | 102 | W 8-5 | 49-53 | 6 | 8,646 | Robin Roberts | Harvey Haddix | Robin Roberts | Harvey Haddix | Turk Farrell | 445 | 470 | -25 |
| 1958-08-07 | @ CIN | 103 | W 3-2 | 50-53 | 5 | 7,341 | Don Cardwell | Bob Purkey | Don Cardwell | Bob Purkey | | 448 | 472 | -24 |
| 1958-08-08 | vs MLN | 104 | W 7-6 | 51-53 | 4 | 25,842 | Ray Semproch | Juan Pizarro | Turk Farrell | Don McMahon | | 455 | 478 | -23 |
| 1958-08-09 | vs MLN | 105 | W 5-4 | 52-53 | 4 | 24,943 | Curt Simmons | Lew Burdette | Jim Hearn | Lew Burdette | | 460 | 482 | -22 |
| 1958-08-10 | vs MLN | 106 | L 7-8 | 52-55 | 5 | 0 | Jack Sanford | Bob Trowbridge | Humberto Robinson | Jack Meyer | | 467 | 490 | -23 |
| 1958-08-10 | vs MLN | 107 | L 3-14 | 52-55 | 5 | 32,117 | Robin Roberts | Carl Willey | Carl Willey | Robin Roberts | Juan Pizarro | 470 | 504 | -34 |
| 1958-08-11 | vs CIN | 108 | W 5-4 | 53-55 | 4 | 14,247 | Don Cardwell | Bob Purkey | Don Cardwell | Willard Schmidt | | 475 | 508 | -33 |
| 1958-08-12 | vs CIN | 109 | L 4-12 | 53-56 | 5 | 12,926 | Ray Semproch | Tom Acker | Tom Acker | Ray Semproch | | 479 | 520 | -41 |
| 1958-08-13 | vs PIT | 110 | L 9-10 | 53-57 | 5 | 19,132 | Jack Meyer | Curt Raydon | Bob Smith | Jack Meyer | Vern Law | 488 | 530 | -42 |
| 1958-08-15 | @ MLN | 111 | L 0-1 | 53-58 | 4 | 35,552 | Robin Roberts | Carl Willey | Carl Willey | Robin Roberts | | 488 | 531 | -43 |
| 1958-08-16 | @ MLN | 112 | L 1-2 | 53-59 | 6 | 31,869 | Curt Simmons | Warren Spahn | Warren Spahn | Curt Simmons | | 489 | 533 | -44 |
| 1958-08-17 | @ MLN | 113 | L 1-5 | 53-61 | 7 | 0 | Don Cardwell | Juan Pizarro | Juan Pizarro | Don Cardwell | | 490 | 538 | -48 |
| 1958-08-17 | @ MLN | 114 | L 1-4 | 53-61 | 7 | 39,807 | Ray Semproch | Lew Burdette | Lew Burdette | Ray Semproch | | 491 | 542 | -51 |
| 1958-08-19 | @ SLN | 115 | L 4-5 | 53-62 | 7 | 17,851 | Jack Sanford | Vinegar Bend Mizell | Bill Wight | Turk Farrell | | 495 | 547 | -52 |
| 1958-08-20 | @ SLN | 116 | W 12-2 | 54-62 | 6 | 11,928 | Robin Roberts | Billy Muffett | Robin Roberts | Billy Muffett | | 507 | 549 | -42 |
| 1958-08-21 | @ SLN | 117 | L 1-2 | 54-63 | 7 | 10,314 | Curt Simmons | Larry Jackson | Larry Jackson | Curt Simmons | | 508 | 551 | -43 |
| 1958-08-22 | @ SLN | 118 | L 1-9 | 54-64 | 7 | 15,592 | Don Cardwell | Sam Jones | Sam Jones | Don Cardwell | | 509 | 560 | -51 |
| 1958-08-23 | @ SLN | 119 | W 4-2 | 55-64 | 7 | 14,639 | Seth Morehead | Sal Maglie | Seth Morehead | Sal Maglie | Turk Farrell | 513 | 562 | -49 |
| 1958-08-24 | @ CHN | 120 | W 13-8 | 57-64 | 6 | 0 | Ray Semproch | Dick Drott | Jim Hearn | Bill Henry | Jack Meyer | 526 | 570 | -44 |
| 1958-08-24 | @ CHN | 121 | W 5-3 | 57-64 | 6 | 24,572 | John Anderson | Dave Hillman | Jack Sanford | Dave Hillman | Curt Simmons | 531 | 573 | -42 |
| 1958-08-26 | @ CHN | 122 | W 10-3 | 58-64 | 6 | 9,967 | Robin Roberts | Moe Drabowsky | Robin Roberts | Moe Drabowsky | | 541 | 576 | -35 |
| 1958-08-27 | @ CHN | 123 | L 2-5 | 58-65 | 7 | 9,451 | Curt Simmons | Bob Anderson | Bob Anderson | Curt Simmons | | 543 | 581 | -38 |
| 1958-08-29 | @ CIN | 124 | L 3-5 | 58-66 | 7 | 10,283 | Don Cardwell | Bob Purkey | Bob Purkey | Don Cardwell | | 546 | 586 | -40 |
| 1958-08-30 | @ CIN | 125 | L 3-12 | 58-67 | 7 | 5,083 | Seth Morehead | Tom Acker | Tom Acker | Seth Morehead | Brooks Lawrence | 549 | 598 | -49 |
| 1958-08-31 | @ CIN | 126 | L 2-6 | 58-69 | 7 | 0 | Ray Semproch | Harvey Haddix | Harvey Haddix | Ray Semproch | | 551 | 604 | -53 |
| 1958-08-31 | @ CIN | 127 | L 3-7 | 58-69 | 7 | 13,290 | Robin Roberts | Don Newcombe | Don Newcombe | Robin Roberts | | 554 | 611 | -57 |
| 1958-09-01 | @ PIT | 128 | L 2-5 | 59-70 | 7 | 0 | Jack Sanford | Vern Law | Vern Law | Jack Sanford | | 556 | 616 | -60 |
| 1958-09-01 | @ PIT | 129 | W 9-0 | 59-70 | 7 | 25,438 | Curt Simmons | Bob Porterfield | Curt Simmons | Bob Porterfield | | 565 | 616 | -51 |
| 1958-09-02 | @ PIT | 130 | L 2-3 | 59-71 | 7 | 9,911 | Don Cardwell | Bob Friend | Bob Friend | Don Cardwell | | 567 | 619 | -52 |
| 1958-09-03 | vs MLN | 131 | L 5-11 | 59-72 | 7 | 14,829 | Seth Morehead | Warren Spahn | Warren Spahn | Seth Morehead | | 572 | 630 | -58 |
| 1958-09-04 | vs MLN | 132 | L 5-9 | 59-73 | 7 | 14,989 | Ray Semproch | Lew Burdette | Juan Pizarro | Turk Farrell | | 577 | 639 | -62 |
| 1958-09-05 | vs CIN | 133 | L 4-8 | 59-74 | 8 | 10,530 | Robin Roberts | Don Newcombe | Don Newcombe | Robin Roberts | Brooks Lawrence | 581 | 647 | -66 |
| 1958-09-06 | vs CIN | 134 | L 2-10 | 59-75 | 8 | 5,559 | Curt Simmons | Bob Purkey | Bob Purkey | Curt Simmons | | 583 | 657 | -74 |
| 1958-09-07 | vs CIN | 135 | L 4-6 | 59-77 | 8 | 0 | Don Cardwell | Harvey Haddix | Hal Jeffcoat | Turk Farrell | | 587 | 663 | -76 |
| 1958-09-07 | vs CIN | 136 | L 2-9 | 59-77 | 8 | 12,081 | Seth Morehead | Joe Nuxhall | Joe Nuxhall | Seth Morehead | Orlando Pena | 589 | 672 | -83 |
| 1958-09-09 | vs LAN | 137 | W 4-3 | 60-77 | 8 | 8,359 | Ray Semproch | Sandy Koufax | Jack Sanford | Sandy Koufax | Jack Meyer | 593 | 675 | -82 |
| 1958-09-10 | vs LAN | 138 | W 8-6 | 61-77 | 8 | 5,106 | Robin Roberts | Don Drysdale | Robin Roberts | Don Drysdale | Don Erickson | 601 | 681 | -80 |
| 1958-09-11 | vs LAN | 139 | W 4-3 | 62-77 | 8 | 4,382 | Bob Conley | Johnny Podres | Turk Farrell | Johnny Podres | | 605 | 684 | -79 |
| 1958-09-12 | vs SFN | 140 | L 2-5 | 62-79 | 8 | 0 | Don Cardwell | Ruben Gomez | Ruben Gomez | Don Cardwell | Al Worthington | 607 | 689 | -82 |
| 1958-09-12 | vs SFN | 141 | L 2-19 | 62-79 | 8 | 16,560 | Ray Semproch | Johnny Antonelli | Johnny Antonelli | Ray Semproch | | 609 | 708 | -99 |
| 1958-09-13 | vs SFN | 142 | L 5-6 | 62-80 | 8 | 6,502 | Seth Morehead | Mike McCormick | Gordon Jones | Seth Morehead | Don Johnson | 614 | 714 | -100 |
| 1958-09-14 | vs SLN | 143 | L 3-6 | 62-81 | 8 | 7,802 | Jack Sanford | Sam Jones | Sam Jones | Jack Sanford | Jim Brosnan | 617 | 720 | -103 |
| 1958-09-15 | vs SLN | 144 | W 6-2 | 63-81 | 8 | 5,988 | Robin Roberts | Vinegar Bend Mizell | Robin Roberts | Vinegar Bend Mizell | | 623 | 722 | -99 |
| 1958-09-16 | vs CHN | 145 | L 8-10 | 63-82 | 8 | 4,300 | Bob Conley | Dick Drott | John Buzhardt | Don Erickson | Dave Hillman | 631 | 732 | -101 |
| 1958-09-17 | vs CHN | 146 | L 2-6 | 63-83 | 8 | 2,845 | Ray Semproch | Bob Anderson | Bob Anderson | Ray Semproch | | 633 | 738 | -105 |
| 1958-09-19 | vs PIT | 147 | L 2-4 | 63-84 | 8 | 8,498 | Don Cardwell | Bob Friend | Bob Friend | Don Cardwell | | 635 | 742 | -107 |
| 1958-09-20 | vs PIT | 148 | L 3-4 | 63-85 | 8 | 4,217 | Robin Roberts | Vern Law | Vern Law | Robin Roberts | Bob Smith | 638 | 746 | -108 |
| 1958-09-22 | vs PIT | 149 | W 3-2 | 65-85 | 8 | 0 | Seth Morehead | Ron Kline | Jack Meyer | Ron Kline | | 641 | 748 | -107 |
| 1958-09-22 | vs PIT | 150 | W 1-0 | 65-85 | 8 | 5,605 | Jack Sanford | Bennie Daniels | Jack Sanford | Bennie Daniels | | 642 | 748 | -106 |
| 1958-09-23 | @ MLN | 151 | W 6-5 | 66-85 | 8 | 18,639 | Jim Owens | Juan Pizarro | Jim Owens | Juan Pizarro | Turk Farrell | 648 | 753 | -105 |
| 1958-09-26 | @ PIT | 152 | W 3-2 | 67-85 | 8 | 12,000 | Robin Roberts | Bob Friend | Robin Roberts | Bob Friend | | 651 | 755 | -104 |
| 1958-09-27 | @ PIT | 153 | W 7-3 | 68-85 | 8 | 9,104 | Don Cardwell | Vern Law | Don Cardwell | Vern Law | | 658 | 758 | -100 |
| 1958-09-28 | @ PIT | 154 | W 6-4 | 69-85 | 8 | 33,109 | Seth Morehead | Bennie Daniels | Jack Meyer | Don Gross | | 664 | 762 | -98 |