| 1964-04-14 | @ PHI | 1 | L 3-5 | 0-1 | 8 | 21,016 | Al Jackson | Dennis Bennett | Johnny Klippstein | Al Jackson | | 3 | 5 | -2 |
| 1964-04-15 | @ PHI | 2 | L 1-4 | 0-2 | 8 | 8,528 | Tracy Stallard | Jim Bunning | Jim Bunning | Tracy Stallard | | 4 | 9 | -5 |
| 1964-04-17 | vs PIT | 3 | L 3-4 | 0-3 | 10 | 50,312 | Jack Fisher | Bob Friend | Bob Friend | Ed Bauta | | 7 | 13 | -6 |
| 1964-04-18 | vs PIT | 4 | L 5-9 | 0-4 | 10 | 31,480 | Larry Bearnarth | Don Schwall | Don Schwall | Larry Bearnarth | Roy Face | 12 | 22 | -10 |
| 1964-04-19 | vs PIT | 5 | W 6-0 | 1-4 | 9 | 30,185 | Al Jackson | Bob Veale | Al Jackson | Bob Veale | | 18 | 22 | -4 |
| 1964-04-23 | vs CHN | 6 | L 1-5 | 1-5 | 10 | 8,025 | Tracy Stallard | Dick Ellsworth | Dick Ellsworth | Tracy Stallard | | 19 | 27 | -8 |
| 1964-04-24 | @ PIT | 7 | L 4-9 | 1-6 | 10 | 7,903 | Al Jackson | Bob Friend | Bob Friend | Al Jackson | | 23 | 36 | -13 |
| 1964-04-25 | @ PIT | 8 | L 4-5 | 1-7 | 10 | 5,470 | Jack Fisher | Bob Veale | Bob Veale | Jack Fisher | | 27 | 41 | -14 |
| 1964-04-26 | @ PIT | 9 | L 3-4 | 2-8 | 10 | 0 | Jay Hook | Vern Law | Frank Bork | Larry Bearnarth | | 30 | 45 | -15 |
| 1964-04-26 | @ PIT | 10 | W 3-2 | 2-8 | 10 | 13,524 | Tracy Stallard | Don Schwall | Tracy Stallard | Don Schwall | Ed Bauta | 33 | 47 | -14 |
| 1964-04-28 | @ SLN | 11 | L 0-8 | 2-9 | 10 | 3,471 | Al Jackson | Ernie Broglio | Ernie Broglio | Al Jackson | | 33 | 55 | -22 |
| 1964-04-29 | @ SLN | 12 | L 3-4 | 2-10 | 10 | 3,844 | Jack Fisher | Bob Gibson | Bobby Shantz | Larry Bearnarth | | 36 | 59 | -23 |
| 1964-05-01 | @ CIN | 13 | L 3-4 | 2-11 | 10 | 5,493 | Tracy Stallard | Joey Jay | Bill Henry | Tracy Stallard | | 39 | 63 | -24 |
| 1964-05-02 | @ CIN | 14 | W 3-0 | 3-11 | 10 | 2,946 | Al Jackson | Jim Maloney | Al Jackson | Jim Maloney | | 42 | 63 | -21 |
| 1964-05-03 | @ CIN | 15 | L 5-6 | 3-13 | 10 | 0 | Jack Fisher | Bob Purkey | Al Worthington | Ed Bauta | Bill Henry | 47 | 69 | -22 |
| 1964-05-03 | @ CIN | 16 | L 3-6 | 3-13 | 10 | 10,884 | Jay Hook | John Tsitouris | John Tsitouris | Jay Hook | | 50 | 75 | -25 |
| 1964-05-04 | @ MLN | 17 | L 1-2 | 3-14 | 10 | 7,369 | Galen Cisco | Denny Lemaster | Denny Lemaster | Galen Cisco | | 51 | 77 | -26 |
| 1964-05-05 | @ MLN | 18 | L 0-6 | 3-15 | 10 | 4,842 | Tracy Stallard | Warren Spahn | Warren Spahn | Tracy Stallard | | 51 | 83 | -32 |
| 1964-05-06 | vs CIN | 19 | L 4-12 | 3-16 | 10 | 32,421 | Bill Wakefield | Sammy Ellis | Sammy Ellis | Bill Wakefield | | 55 | 95 | -40 |
| 1964-05-07 | vs CIN | 20 | W 3-2 | 4-16 | 10 | 7,982 | Al Jackson | Jim Maloney | Al Jackson | Jim Maloney | | 58 | 97 | -39 |
| 1964-05-08 | vs SLN | 21 | W 5-4 | 5-16 | 10 | 32,386 | Jack Fisher | Ernie Broglio | Larry Bearnarth | Bobby Shantz | | 63 | 101 | -38 |
| 1964-05-09 | vs SLN | 22 | L 1-5 | 5-17 | 10 | 16,757 | Galen Cisco | Bob Gibson | Bob Gibson | Galen Cisco | | 64 | 106 | -42 |
| 1964-05-10 | vs SLN | 23 | W 4-1 | 6-18 | 10 | 0 | Tracy Stallard | Roger Craig | Tracy Stallard | Roger Craig | | 68 | 107 | -39 |
| 1964-05-10 | vs SLN | 24 | L 1-10 | 6-18 | 10 | 30,776 | Jerry Hinsley | Ray Washburn | Ray Washburn | Jerry Hinsley | Ron Taylor | 69 | 117 | -48 |
| 1964-05-12 | vs MLN | 25 | L 0-2 | 6-19 | 10 | 18,554 | Al Jackson | Hank Fischer | Hank Fischer | Al Jackson | | 69 | 119 | -50 |
| 1964-05-13 | vs MLN | 26 | W 5-2 | 7-19 | 10 | 4,277 | Jack Fisher | Tony Cloninger | Jack Fisher | Tony Cloninger | Larry Bearnarth | 74 | 121 | -47 |
| 1964-05-14 | vs MLN | 27 | W 12-4 | 8-19 | 10 | 5,270 | Galen Cisco | Warren Spahn | Galen Cisco | Warren Spahn | Tom Sturdivant | 86 | 125 | -39 |
| 1964-05-15 | @ SFN | 28 | W 4-2 | 9-19 | 10 | 13,157 | Tracy Stallard | Billy O'Dell | Larry Bearnarth | Don Larsen | Bill Wakefield | 90 | 127 | -37 |
| 1964-05-16 | @ SFN | 29 | L 4-6 | 9-20 | 10 | 12,172 | Jerry Hinsley | Juan Marichal | Gaylord Perry | Galen Cisco | | 94 | 133 | -39 |
| 1964-05-17 | @ SFN | 30 | L 0-6 | 9-22 | 10 | 0 | Al Jackson | Bob Hendley | Bob Hendley | Al Jackson | | 94 | 139 | -45 |
| 1964-05-17 | @ SFN | 31 | L 0-1 | 9-22 | 10 | 30,042 | Jack Fisher | Ron Herbel | Ron Herbel | Jack Fisher | | 94 | 140 | -46 |
| 1964-05-18 | @ SFN | 32 | W 4-2 | 10-22 | 10 | 4,860 | Galen Cisco | Jim Duffalo | Galen Cisco | Bob Shaw | Larry Bearnarth | 98 | 142 | -44 |
| 1964-05-19 | @ LAN | 33 | L 4-6 | 10-23 | 10 | 18,402 | Tracy Stallard | Phil Ortega | Phil Ortega | Tracy Stallard | | 102 | 148 | -46 |
| 1964-05-20 | @ LAN | 34 | L 1-4 | 10-24 | 10 | 18,566 | Ron Locke | Nick Willhite | Nick Willhite | Ron Locke | Ron Perranoski | 103 | 152 | -49 |
| 1964-05-21 | @ LAN | 35 | L 1-6 | 10-25 | 10 | 20,617 | Jack Fisher | Sandy Koufax | Sandy Koufax | Jack Fisher | | 104 | 158 | -54 |
| 1964-05-22 | @ HOU | 36 | W 2-1 | 11-25 | 10 | 7,533 | Al Jackson | Hal Brown | Larry Bearnarth | Hal Brown | | 106 | 159 | -53 |
| 1964-05-23 | @ HOU | 37 | L 4-8 | 11-27 | 10 | 0 | Galen Cisco | Jim Owens | Hal Woodeshick | Jerry Hinsley | | 110 | 167 | -57 |
| 1964-05-23 | @ HOU | 38 | L 0-4 | 11-27 | 10 | 9,457 | Craig Anderson | Ken Johnson | Ken Johnson | Craig Anderson | | 110 | 171 | -61 |
| 1964-05-24 | @ HOU | 39 | L 0-5 | 11-28 | 10 | 5,982 | Tracy Stallard | Bob Bruce | Bob Bruce | Tracy Stallard | | 110 | 176 | -66 |
| 1964-05-26 | @ CHN | 40 | W 19-1 | 12-28 | 10 | 2,503 | Jack Fisher | Bob Buhl | Jack Fisher | Bob Buhl | | 129 | 177 | -48 |
| 1964-05-27 | @ CHN | 41 | L 1-7 | 12-29 | 10 | 3,129 | Al Jackson | Dick Ellsworth | Dick Ellsworth | Al Jackson | | 130 | 184 | -54 |
| 1964-05-28 | @ CHN | 42 | L 0-2 | 12-30 | 10 | 1,297 | Galen Cisco | Larry Jackson | Larry Jackson | Galen Cisco | | 130 | 186 | -56 |
| 1964-05-29 | vs SFN | 43 | W 4-2 | 13-30 | 10 | 55,062 | Tracy Stallard | Jack Sanford | Tracy Stallard | Jack Sanford | | 134 | 188 | -54 |
| 1964-05-30 | vs SFN | 44 | W 6-2 | 14-30 | 10 | 38,472 | Jack Fisher | Ron Herbel | Jack Fisher | Ron Herbel | | 140 | 190 | -50 |
| 1964-05-31 | vs SFN | 45 | L 3-5 | 14-32 | 10 | 0 | Al Jackson | Juan Marichal | Juan Marichal | Al Jackson | | 143 | 195 | -52 |
| 1964-05-31 | vs SFN | 46 | L 6-8 | 14-32 | 10 | 57,037 | Bill Wakefield | Bobby Bolin | Gaylord Perry | Galen Cisco | Bob Hendley | 149 | 203 | -54 |
| 1964-06-02 | vs HOU | 47 | W 7-4 | 15-32 | 10 | 14,533 | Tracy Stallard | Ken Johnson | Bill Wakefield | Hal Woodeshick | Frank Lary | 156 | 207 | -51 |
| 1964-06-04 | vs HOU | 48 | L 3-7 | 15-33 | 10 | 10,823 | Al Jackson | Turk Farrell | Turk Farrell | Al Jackson | Don Larsen | 159 | 214 | -55 |
| 1964-06-05 | vs LAN | 49 | W 8-0 | 16-33 | 10 | 54,790 | Galen Cisco | Joe Moeller | Galen Cisco | Joe Moeller | | 167 | 214 | -47 |
| 1964-06-06 | vs LAN | 50 | L 2-9 | 16-34 | 10 | 34,730 | Jack Fisher | Phil Ortega | Bob Miller | Jack Fisher | | 169 | 223 | -54 |
| 1964-06-07 | vs LAN | 51 | L 1-6 | 17-35 | 10 | 0 | Tracy Stallard | Don Drysdale | Don Drysdale | Tracy Stallard | | 170 | 229 | -59 |
| 1964-06-07 | vs LAN | 52 | W 1-1 | 17-35 | 10 | 55,289 | Frank Lary | Nick Willhite | | | | 171 | 230 | -59 |
| 1964-06-09 | vs CHN | 53 | W 6-5 | 18-36 | 10 | 0 | Al Jackson | Dick Ellsworth | Larry Bearnarth | Dick Ellsworth | | 177 | 235 | -58 |
| 1964-06-09 | vs CHN | 54 | L 2-5 | 18-36 | 10 | 24,096 | Galen Cisco | Lew Burdette | Lew Burdette | Galen Cisco | | 179 | 240 | -61 |
| 1964-06-10 | vs CHN | 55 | W 8-3 | 19-36 | 10 | 16,010 | Jack Fisher | Sterling Slaughter | Jack Fisher | Sterling Slaughter | | 187 | 243 | -56 |
| 1964-06-11 | vs CHN | 56 | L 3-6 | 19-37 | 10 | 9,930 | Bill Wakefield | Larry Jackson | Larry Jackson | Bill Wakefield | | 190 | 249 | -59 |
| 1964-06-12 | @ PHI | 57 | W 11-3 | 20-37 | 10 | 16,661 | Tracy Stallard | Dennis Bennett | Tracy Stallard | Dennis Bennett | | 201 | 252 | -51 |
| 1964-06-13 | @ PHI | 58 | L 2-8 | 20-38 | 10 | 4,875 | Frank Lary | Jim Bunning | Jim Bunning | Frank Lary | | 203 | 260 | -57 |
| 1964-06-14 | @ PHI | 59 | L 5-9 | 20-40 | 10 | 0 | Galen Cisco | Chris Short | Ray Culp | Galen Cisco | | 208 | 269 | -61 |
| 1964-06-14 | @ PHI | 60 | L 2-4 | 20-40 | 10 | 21,020 | Al Jackson | Art Mahaffey | Art Mahaffey | Al Jackson | Ed Roebuck | 210 | 273 | -63 |
| 1964-06-16 | @ PIT | 61 | L 1-2 | 20-41 | 10 | 7,187 | Jack Fisher | Bob Veale | Bob Veale | Jack Fisher | | 211 | 275 | -64 |
| 1964-06-17 | @ PIT | 62 | L 2-3 | 20-42 | 10 | 9,931 | Tracy Stallard | Bob Friend | Bob Friend | Tracy Stallard | | 213 | 278 | -65 |
| 1964-06-18 | @ PIT | 63 | L 0-10 | 20-43 | 10 | 7,110 | Al Jackson | Vern Law | Vern Law | Al Jackson | | 213 | 288 | -75 |
| 1964-06-19 | vs PHI | 64 | L 1-2 | 20-45 | 10 | 0 | Carl Willey | Art Mahaffey | Art Mahaffey | Larry Bearnarth | Ed Roebuck | 214 | 290 | -76 |
| 1964-06-19 | vs PHI | 65 | L 2-7 | 20-45 | 10 | 41,310 | Galen Cisco | Ray Culp | Ray Culp | Galen Cisco | | 216 | 297 | -81 |
| 1964-06-20 | vs PHI | 66 | W 7-3 | 21-45 | 10 | 18,004 | Jack Fisher | Dennis Bennett | Jack Fisher | Dallas Green | Al Jackson | 223 | 300 | -77 |
| 1964-06-21 | vs PHI | 67 | L 0-6 | 21-47 | 10 | 0 | Tracy Stallard | Jim Bunning | Jim Bunning | Tracy Stallard | | 223 | 306 | -83 |
| 1964-06-21 | vs PHI | 68 | L 2-8 | 21-47 | 10 | 32,026 | Frank Lary | Rick Wise | Rick Wise | Frank Lary | Johnny Klippstein | 225 | 314 | -89 |
| 1964-06-23 | vs PIT | 69 | L 1-5 | 21-48 | 10 | 25,764 | Carl Willey | Vern Law | Vern Law | Carl Willey | Al McBean | 226 | 319 | -93 |
| 1964-06-24 | vs PIT | 70 | L 1-3 | 21-49 | 10 | 10,652 | Galen Cisco | Bob Friend | Bob Friend | Galen Cisco | Al McBean | 227 | 322 | -95 |
| 1964-06-25 | vs PIT | 71 | L 1-8 | 21-50 | 10 | 12,834 | Jack Fisher | Joe Gibbon | Joe Gibbon | Jack Fisher | | 228 | 330 | -102 |
| 1964-06-26 | @ MLN | 72 | W 8-4 | 22-50 | 10 | 20,198 | Tracy Stallard | Warren Spahn | Tracy Stallard | Warren Spahn | | 236 | 334 | -98 |
| 1964-06-27 | @ MLN | 73 | L 6-9 | 22-51 | 10 | 8,379 | Carl Willey | Hank Fischer | Hank Fischer | Carl Willey | Bobby Tiefenauer | 242 | 343 | -101 |
| 1964-06-28 | @ MLN | 74 | L 6-7 | 22-53 | 10 | 0 | Darrell Sutherland | Denny Lemaster | Denny Lemaster | Darrell Sutherland | Bobby Tiefenauer | 248 | 350 | -102 |
| 1964-06-28 | @ MLN | 75 | L 0-9 | 22-53 | 10 | 11,644 | Frank Lary | Tony Cloninger | Tony Cloninger | Frank Lary | | 248 | 359 | -111 |
| 1964-06-29 | @ SFN | 76 | W 4-3 | 23-53 | 10 | 10,232 | Jack Fisher | Bobby Bolin | Al Jackson | Bobby Bolin | | 252 | 362 | -110 |
| 1964-06-30 | @ SFN | 77 | L 0-5 | 23-54 | 10 | 9,265 | Galen Cisco | Gaylord Perry | Gaylord Perry | Galen Cisco | | 252 | 367 | -115 |
| 1964-07-01 | @ HOU | 78 | W 8-6 | 24-54 | 10 | 7,593 | Tracy Stallard | Turk Farrell | Bill Wakefield | Claude Raymond | Willard Hunter | 260 | 373 | -113 |
| 1964-07-02 | @ HOU | 79 | L 1-7 | 24-55 | 10 | 5,820 | Darrell Sutherland | Ken Johnson | Ken Johnson | Darrell Sutherland | | 261 | 380 | -119 |
| 1964-07-03 | @ LAN | 80 | L 2-6 | 24-56 | 10 | 42,616 | Jack Fisher | Don Drysdale | Don Drysdale | Jack Fisher | | 263 | 386 | -123 |
| 1964-07-04 | @ LAN | 81 | L 2-3 | 24-57 | 10 | 22,760 | Tracy Stallard | Joe Moeller | Bob Miller | Tracy Stallard | | 265 | 389 | -124 |
| 1964-07-05 | @ LAN | 82 | L 0-5 | 24-58 | 10 | 26,903 | Galen Cisco | Sandy Koufax | Sandy Koufax | Galen Cisco | | 265 | 394 | -129 |
| 1964-07-09 | vs SLN | 83 | W 4-3 | 25-58 | 10 | 13,804 | Al Jackson | Curt Simmons | Al Jackson | Curt Simmons | | 269 | 397 | -128 |
| 1964-07-10 | vs SLN | 84 | L 1-3 | 25-59 | 10 | 33,634 | Jack Fisher | Bob Gibson | Bob Gibson | Jack Fisher | | 270 | 400 | -130 |
| 1964-07-11 | vs SLN | 85 | L 4-11 | 25-60 | 10 | 19,475 | Tracy Stallard | Ray Sadecki | Ray Sadecki | Tracy Stallard | Ron Taylor | 274 | 411 | -137 |
| 1964-07-12 | vs CIN | 86 | W 1-0 | 27-60 | 10 | 0 | Galen Cisco | Joey Jay | Galen Cisco | Joey Jay | | 275 | 411 | -136 |
| 1964-07-12 | vs CIN | 87 | W 5-1 | 27-60 | 10 | 27,156 | Frank Lary | Bob Purkey | Frank Lary | Bob Purkey | | 280 | 412 | -132 |
| 1964-07-14 | @ CHN | 88 | L 2-4 | 27-61 | 10 | 7,566 | Al Jackson | Dick Ellsworth | Dick Ellsworth | Al Jackson | | 282 | 416 | -134 |
| 1964-07-15 | @ CHN | 89 | L 2-3 | 27-62 | 10 | 10,496 | Jack Fisher | Lew Burdette | Lew Burdette | Jack Fisher | | 284 | 419 | -135 |
| 1964-07-16 | @ CHN | 90 | L 1-11 | 27-63 | 10 | 9,078 | Tracy Stallard | Ernie Broglio | Ernie Broglio | Tracy Stallard | | 285 | 430 | -145 |
| 1964-07-17 | @ SLN | 91 | L 8-9 | 27-64 | 10 | 10,759 | Galen Cisco | Roger Craig | Mike Cuellar | Tracy Stallard | Bob Gibson | 293 | 439 | -146 |
| 1964-07-18 | @ SLN | 92 | L 7-15 | 27-65 | 10 | 9,424 | Al Jackson | Glen Hobbie | Ron Taylor | Bill Wakefield | Ray Sadecki | 300 | 454 | -154 |
| 1964-07-19 | @ SLN | 93 | W 3-2 | 28-66 | 10 | 0 | Jack Fisher | Curt Simmons | Jack Fisher | Curt Simmons | | 303 | 456 | -153 |
| 1964-07-19 | @ SLN | 94 | L 6-7 | 28-66 | 10 | 18,377 | Frank Lary | Bob Gibson | Bob Gibson | Willard Hunter | | 309 | 463 | -154 |
| 1964-07-21 | @ CIN | 95 | W 4-2 | 29-66 | 10 | 8,486 | Tracy Stallard | Joey Jay | Bill Wakefield | Joey Jay | | 313 | 465 | -152 |
| 1964-07-22 | @ CIN | 96 | W 4-3 | 30-66 | 10 | 7,406 | Al Jackson | John Tsitouris | Willard Hunter | Billy McCool | | 317 | 468 | -151 |
| 1964-07-23 | @ CIN | 97 | L 4-5 | 30-67 | 10 | 5,588 | Darrell Sutherland | Jim Maloney | Jim Maloney | Darrell Sutherland | Bill Henry | 321 | 473 | -152 |
| 1964-07-24 | vs MLN | 98 | L 5-8 | 30-68 | 10 | 20,646 | Jack Fisher | Hank Fischer | Hank Fischer | Jack Fisher | | 326 | 481 | -155 |
| 1964-07-25 | vs MLN | 99 | W 10-0 | 31-68 | 10 | 25,550 | Tracy Stallard | Tony Cloninger | Tracy Stallard | Tony Cloninger | | 336 | 481 | -145 |
| 1964-07-26 | vs MLN | 100 | L 7-11 | 31-70 | 10 | 0 | Al Jackson | Warren Spahn | Chi-Chi Olivo | Larry Bearnarth | Billy Hoeft | 343 | 492 | -149 |
| 1964-07-26 | vs MLN | 101 | L 10-15 | 31-70 | 10 | 31,782 | Frank Lary | Wade Blasingame | Chi-Chi Olivo | Jack Fisher | Warren Spahn | 353 | 507 | -154 |
| 1964-07-28 | vs LAN | 102 | L 0-9 | 31-71 | 10 | 39,500 | Jack Fisher | Don Drysdale | Don Drysdale | Jack Fisher | | 353 | 516 | -163 |
| 1964-07-30 | vs LAN | 103 | L 3-5 | 31-72 | 10 | 40,962 | Tracy Stallard | Sandy Koufax | Bob Miller | Tracy Stallard | | 356 | 521 | -165 |
| 1964-07-31 | vs HOU | 104 | W 3-0 | 33-72 | 10 | 0 | Frank Lary | Don Larsen | Frank Lary | Don Larsen | | 359 | 521 | -162 |
| 1964-07-31 | vs HOU | 105 | W 6-2 | 33-72 | 10 | 17,559 | Jack Fisher | Ken Johnson | Jack Fisher | Ken Johnson | | 365 | 523 | -158 |
| 1964-08-01 | vs HOU | 106 | W 3-2 | 34-72 | 10 | 15,039 | Al Jackson | Hal Brown | Al Jackson | Gordon Jones | | 368 | 525 | -157 |
| 1964-08-02 | vs HOU | 107 | L 7-9 | 35-73 | 10 | 0 | Darrell Sutherland | Turk Farrell | Don Nottebart | Jack Fisher | | 375 | 534 | -159 |
| 1964-08-02 | vs HOU | 108 | W 4-2 | 35-73 | 10 | 19,699 | Ron Locke | Jim Owens | Ron Locke | Don Larsen | Willard Hunter | 379 | 536 | -157 |
| 1964-08-04 | vs SFN | 109 | L 3-4 | 35-74 | 10 | 53,498 | Tracy Stallard | Gaylord Perry | Jim Duffalo | Galen Cisco | | 382 | 540 | -158 |
| 1964-08-05 | vs SFN | 110 | L 1-4 | 35-75 | 10 | 45,642 | Jack Fisher | Ron Herbel | Ron Herbel | Jack Fisher | | 383 | 544 | -161 |
| 1964-08-07 | @ PHI | 111 | L 4-9 | 35-76 | 10 | 14,158 | Al Jackson | Art Mahaffey | Ed Roebuck | Bill Wakefield | Jack Baldschun | 387 | 553 | -166 |
| 1964-08-08 | @ PHI | 112 | L 5-12 | 35-77 | 10 | 7,687 | Galen Cisco | Rick Wise | Rick Wise | Galen Cisco | John Boozer | 392 | 565 | -173 |
| 1964-08-09 | @ PHI | 113 | L 0-6 | 35-78 | 10 | 11,621 | Tracy Stallard | Jim Bunning | Jim Bunning | Tracy Stallard | | 392 | 571 | -179 |
| 1964-08-11 | @ PIT | 114 | W 3-2 | 36-78 | 10 | 8,542 | Jack Fisher | Bob Friend | Jack Fisher | Bob Friend | | 395 | 573 | -178 |
| 1964-08-12 | @ PIT | 115 | L 4-5 | 36-79 | 10 | 6,677 | Dennis Ribant | Joe Gibbon | Joe Gibbon | Dennis Ribant | Al McBean | 399 | 578 | -179 |
| 1964-08-14 | vs PHI | 116 | L 1-6 | 36-81 | 10 | 0 | Al Jackson | Jim Bunning | Jim Bunning | Al Jackson | | 400 | 584 | -184 |
| 1964-08-14 | vs PHI | 117 | L 4-6 | 36-81 | 10 | 42,806 | Tracy Stallard | Rick Wise | Rick Wise | Tracy Stallard | Jack Baldschun | 404 | 590 | -186 |
| 1964-08-15 | vs PHI | 118 | L 1-8 | 36-82 | 10 | 31,324 | Jack Fisher | Ray Culp | John Boozer | Jack Fisher | | 405 | 598 | -193 |
| 1964-08-16 | vs PHI | 119 | W 12-4 | 37-82 | 10 | 24,486 | Galen Cisco | Art Mahaffey | Galen Cisco | Art Mahaffey | | 417 | 602 | -185 |
| 1964-08-17 | vs PIT | 120 | W 5-0 | 38-82 | 10 | 12,350 | Dennis Ribant | Bob Veale | Dennis Ribant | Bob Veale | | 422 | 602 | -180 |
| 1964-08-18 | vs PIT | 121 | W 7-3 | 39-82 | 10 | 18,905 | Al Jackson | Joe Gibbon | Al Jackson | Joe Gibbon | | 429 | 605 | -176 |
| 1964-08-19 | vs PIT | 122 | W 4-2 | 40-82 | 10 | 19,192 | Tracy Stallard | Vern Law | Tracy Stallard | Vern Law | | 433 | 607 | -174 |
| 1964-08-21 | vs CHN | 123 | W 7-0 | 41-82 | 10 | 21,867 | Jack Fisher | Lew Burdette | Jack Fisher | Lew Burdette | | 440 | 607 | -167 |
| 1964-08-22 | vs CHN | 124 | L 2-3 | 41-83 | 10 | 18,810 | Gary Kroll | Larry Jackson | Larry Jackson | Gary Kroll | Lindy McDaniel | 442 | 610 | -168 |
| 1964-08-23 | vs CHN | 125 | W 2-1 | 43-83 | 10 | 0 | Galen Cisco | Bob Buhl | Willard Hunter | Bob Buhl | | 444 | 611 | -167 |
| 1964-08-23 | vs CHN | 126 | W 5-4 | 43-83 | 10 | 27,008 | Dennis Ribant | Dick Ellsworth | Willard Hunter | Don Elston | | 449 | 615 | -166 |
| 1964-08-25 | @ CIN | 127 | L 2-7 | 43-84 | 10 | 8,706 | Al Jackson | Bob Purkey | Bob Purkey | Al Jackson | | 451 | 622 | -171 |
| 1964-08-26 | @ CIN | 128 | W 3-1 | 44-84 | 10 | 10,664 | Tracy Stallard | Joey Jay | Tracy Stallard | Joey Jay | | 454 | 623 | -169 |
| 1964-08-28 | @ CHN | 129 | W 12-10 | 45-84 | 10 | 6,489 | Jack Fisher | Bob Buhl | Al Jackson | Don Elston | Willard Hunter | 466 | 633 | -167 |
| 1964-08-29 | @ CHN | 130 | L 3-4 | 45-85 | 10 | 9,871 | Galen Cisco | Dick Ellsworth | Dick Ellsworth | Galen Cisco | | 469 | 637 | -168 |
| 1964-08-30 | @ CHN | 131 | L 3-7 | 45-86 | 10 | 11,774 | Dennis Ribant | Larry Jackson | Larry Jackson | Dennis Ribant | | 472 | 644 | -172 |
| 1964-09-01 | vs SFN | 132 | W 4-1 | 46-86 | 10 | 39,379 | Al Jackson | Bob Hendley | Al Jackson | Bob Hendley | | 476 | 645 | -169 |
| 1964-09-02 | vs SFN | 133 | L 0-4 | 46-87 | 10 | 36,589 | Tracy Stallard | Juan Marichal | Juan Marichal | Tracy Stallard | | 476 | 649 | -173 |
| 1964-09-03 | vs SFN | 134 | L 1-3 | 46-88 | 10 | 31,796 | Jack Fisher | Gaylord Perry | Gaylord Perry | Jack Fisher | | 477 | 652 | -175 |
| 1964-09-04 | vs LAN | 135 | L 0-3 | 47-89 | 10 | 0 | Galen Cisco | Don Drysdale | Don Drysdale | Galen Cisco | | 477 | 655 | -178 |
| 1964-09-04 | vs LAN | 136 | W 6-5 | 47-89 | 10 | 45,065 | Dennis Ribant | Jim Brewer | Larry Bearnarth | Bob Miller | Willard Hunter | 483 | 660 | -177 |
| 1964-09-05 | vs LAN | 137 | L 2-6 | 47-90 | 10 | 30,350 | Ron Locke | Phil Ortega | Ron Perranoski | Ron Locke | | 485 | 666 | -181 |
| 1964-09-06 | vs LAN | 138 | L 3-4 | 47-91 | 10 | 25,545 | Tracy Stallard | Howie Reed | Howie Reed | Tracy Stallard | Bob Miller | 488 | 670 | -182 |
| 1964-09-07 | vs HOU | 139 | W 7-5 | 49-91 | 10 | 0 | Al Jackson | Hal Brown | Al Jackson | Hal Brown | Larry Bearnarth | 495 | 675 | -180 |
| 1964-09-07 | vs HOU | 140 | W 6-4 | 49-91 | 10 | 22,123 | Jack Fisher | Don Larsen | Jack Fisher | Don Larsen | Dennis Ribant | 501 | 679 | -178 |
| 1964-09-09 | vs MLN | 141 | L 4-7 | 49-92 | 10 | 17,884 | Galen Cisco | Tony Cloninger | Tony Cloninger | Galen Cisco | | 505 | 686 | -181 |
| 1964-09-10 | vs MLN | 142 | L 6-7 | 49-93 | 10 | 9,847 | Dennis Ribant | Wade Blasingame | Wade Blasingame | Dennis Ribant | Bobby Tiefenauer | 511 | 693 | -182 |
| 1964-09-11 | @ LAN | 143 | W 4-2 | 50-93 | 10 | 18,528 | Tracy Stallard | Larry Miller | Tracy Stallard | Larry Miller | Bill Wakefield | 515 | 695 | -180 |
| 1964-09-12 | @ LAN | 144 | L 0-8 | 50-94 | 10 | 20,004 | Al Jackson | Pete Richert | Pete Richert | Al Jackson | | 515 | 703 | -188 |
| 1964-09-13 | @ LAN | 145 | L 4-5 | 50-95 | 10 | 15,885 | Jack Fisher | Don Drysdale | Don Drysdale | Dennis Ribant | | 519 | 708 | -189 |
| 1964-09-15 | @ SFN | 146 | L 1-3 | 50-96 | 10 | 6,682 | Galen Cisco | Juan Marichal | Juan Marichal | Galen Cisco | | 520 | 711 | -191 |
| 1964-09-16 | @ SFN | 147 | W 4-0 | 51-96 | 10 | 4,484 | Tracy Stallard | Gaylord Perry | Tracy Stallard | Gaylord Perry | | 524 | 711 | -187 |
| 1964-09-18 | @ HOU | 148 | L 2-3 | 51-97 | 10 | 3,254 | Al Jackson | Don Larsen | Claude Raymond | Al Jackson | | 526 | 714 | -188 |
| 1964-09-19 | @ HOU | 149 | L 1-2 | 51-98 | 10 | 4,003 | Jack Fisher | Turk Farrell | Jim Owens | Willard Hunter | | 527 | 716 | -189 |
| 1964-09-20 | @ HOU | 150 | L 0-1 | 51-99 | 10 | 3,085 | Tom Parsons | Bob Bruce | Bob Bruce | Tom Parsons | | 527 | 717 | -190 |
| 1964-09-22 | vs SLN | 151 | L 1-2 | 51-100 | 10 | 10,443 | Tracy Stallard | Curt Simmons | Curt Simmons | Tracy Stallard | | 528 | 719 | -191 |
| 1964-09-23 | vs SLN | 152 | W 2-1 | 52-100 | 10 | 3,941 | Galen Cisco | Roger Craig | Galen Cisco | Roger Craig | Willard Hunter | 530 | 720 | -190 |
| 1964-09-25 | vs CIN | 153 | L 0-3 | 52-102 | 10 | 0 | Al Jackson | Jim Maloney | Jim Maloney | Al Jackson | | 530 | 723 | -193 |
| 1964-09-25 | vs CIN | 154 | L 1-4 | 52-102 | 10 | 20,092 | Jack Fisher | Bob Purkey | Bob Purkey | Jack Fisher | Sammy Ellis | 531 | 727 | -196 |
| 1964-09-26 | vs CIN | 155 | L 1-6 | 52-103 | 10 | 14,265 | Dennis Ribant | John Tsitouris | John Tsitouris | Dennis Ribant | Billy McCool | 532 | 733 | -201 |
| 1964-09-27 | vs CIN | 156 | L 1-4 | 52-105 | 10 | 0 | Tracy Stallard | Jim O'Toole | Jim O'Toole | Tracy Stallard | Sammy Ellis | 533 | 737 | -204 |
| 1964-09-27 | vs CIN | 157 | L 1-3 | 52-105 | 10 | 26,589 | Galen Cisco | Joey Jay | Joey Jay | Galen Cisco | | 534 | 740 | -206 |
| 1964-09-29 | @ MLN | 158 | L 6-7 | 52-106 | 10 | 4,624 | Tom Parsons | Wade Blasingame | Wade Blasingame | Tom Parsons | Bob Sadowski | 540 | 747 | -207 |
| 1964-09-30 | @ MLN | 159 | L 5-6 | 52-107 | 10 | 3,722 | Gary Kroll | Hank Fischer | Clay Carroll | Willard Hunter | | 545 | 753 | -208 |
| 1964-10-01 | @ MLN | 160 | L 3-7 | 52-108 | 10 | 3,193 | Bill Wakefield | Denny Lemaster | Denny Lemaster | Bill Wakefield | Bobby Tiefenauer | 548 | 760 | -212 |
| 1964-10-02 | @ SLN | 161 | W 1-0 | 53-108 | 10 | 19,019 | Al Jackson | Bob Gibson | Al Jackson | Bob Gibson | | 549 | 760 | -211 |
| 1964-10-03 | @ SLN | 162 | W 15-5 | 54-108 | 10 | 18,650 | Jack Fisher | Ray Sadecki | Tom Parsons | Ray Sadecki | | 564 | 765 | -201 |
| 1964-10-04 | @ SLN | 163 | L 5-11 | 54-109 | 10 | 30,146 | Galen Cisco | Curt Simmons | Bob Gibson | Galen Cisco | Barney Schultz | 569 | 776 | -207 |