| 1963-04-09 | vs LAN | 1 | L 1-5 | 0-1 | 8 | 18,589 | Larry Jackson | Don Drysdale | Don Drysdale | Larry Jackson | | 1 | 5 | -4 |
| 1963-04-10 | vs LAN | 2 | L 1-2 | 0-2 | 8 | 2,673 | Bob Buhl | Sandy Koufax | Sandy Koufax | Bob Buhl | | 2 | 7 | -5 |
| 1963-04-11 | vs LAN | 3 | W 2-0 | 1-2 | 6 | 3,735 | Dick Ellsworth | Johnny Podres | Dick Ellsworth | Johnny Podres | | 4 | 7 | -3 |
| 1963-04-13 | vs SFN | 4 | L 1-2 | 1-3 | 8 | 12,090 | Glen Hobbie | Jack Sanford | Jack Sanford | Paul Toth | | 5 | 9 | -4 |
| 1963-04-14 | vs SFN | 5 | W 3-1 | 2-3 | 7 | 10,072 | Larry Jackson | Juan Marichal | Larry Jackson | Juan Marichal | Lindy McDaniel | 8 | 10 | -2 |
| 1963-04-16 | @ LAN | 6 | W 2-1 | 3-3 | 6 | 33,758 | Bob Buhl | Johnny Podres | Lindy McDaniel | Ed Roebuck | Barney Schultz | 10 | 11 | -1 |
| 1963-04-17 | @ LAN | 7 | L 0-1 | 3-4 | 8 | 15,617 | Dick Ellsworth | Bob Miller | Ron Perranoski | Dick Ellsworth | | 10 | 12 | -2 |
| 1963-04-18 | @ LAN | 8 | W 5-1 | 4-4 | 6 | 16,412 | Glen Hobbie | Don Drysdale | Glen Hobbie | Don Drysdale | Don Elston | 15 | 13 | 2 |
| 1963-04-19 | @ SFN | 9 | L 1-5 | 4-5 | 7 | 11,838 | Larry Jackson | Juan Marichal | Juan Marichal | Larry Jackson | | 16 | 18 | -2 |
| 1963-04-20 | @ SFN | 10 | W 4-0 | 5-5 | 6 | 10,868 | Bob Buhl | Billy Pierce | Bob Buhl | Billy Pierce | Lindy McDaniel | 20 | 18 | 2 |
| 1963-04-21 | @ SFN | 11 | W 4-1 | 6-6 | 7 | 0 | Dick Ellsworth | Jack Fisher | Dick Ellsworth | Jack Fisher | Barney Schultz | 24 | 19 | 5 |
| 1963-04-21 | @ SFN | 12 | L 2-3 | 6-6 | 7 | 39,074 | Cal Koonce | Billy O'Dell | Billy O'Dell | Cal Koonce | | 26 | 22 | 4 |
| 1963-04-22 | @ PIT | 13 | L 0-2 | 6-7 | 8 | 5,289 | Glen Hobbie | Earl Francis | Earl Francis | Glen Hobbie | Roy Face | 26 | 24 | 2 |
| 1963-04-23 | @ PIT | 14 | W 7-2 | 7-7 | 7 | 968 | Larry Jackson | Don Cardwell | Larry Jackson | Don Cardwell | | 33 | 26 | 7 |
| 1963-04-24 | vs NYN | 15 | L 0-2 | 7-8 | 7 | 4,525 | Bob Buhl | Carl Willey | Carl Willey | Bob Buhl | | 33 | 28 | 5 |
| 1963-04-25 | vs NYN | 16 | L 2-3 | 7-9 | 7 | 3,021 | Dick Ellsworth | Roger Craig | Roger Craig | Dick Ellsworth | | 35 | 31 | 4 |
| 1963-04-26 | vs PHI | 17 | L 2-5 | 7-10 | 7 | 4,093 | Glen Hobbie | Art Mahaffey | Art Mahaffey | Glen Hobbie | | 37 | 36 | 1 |
| 1963-04-27 | vs PHI | 18 | W 4-2 | 8-10 | 7 | 10,204 | Larry Jackson | Ray Culp | Larry Jackson | Ray Culp | | 41 | 38 | 3 |
| 1963-04-28 | vs PHI | 19 | W 4-1 | 9-10 | 6 | 11,135 | Bob Buhl | Chris Short | Bob Buhl | Chris Short | Don Elston | 45 | 39 | 6 |
| 1963-05-01 | @ SLN | 20 | W 13-8 | 10-10 | 5 | 7,937 | Dick Ellsworth | Ray Sadecki | Jim Brewer | Harry Fanok | Lindy McDaniel | 58 | 47 | 11 |
| 1963-05-02 | @ SLN | 21 | L 3-4 | 10-11 | 6 | 8,629 | Larry Jackson | Ray Washburn | Ray Washburn | Larry Jackson | Ed Bauta | 61 | 51 | 10 |
| 1963-05-03 | @ MLN | 22 | W 10-7 | 11-11 | 5 | 15,113 | Bob Buhl | Warren Spahn | Jim Brewer | Claude Raymond | Lindy McDaniel | 71 | 58 | 13 |
| 1963-05-04 | @ MLN | 23 | W 7-5 | 12-11 | 4 | 8,524 | Glen Hobbie | Bob Shaw | Paul Toth | Bob Shaw | Lindy McDaniel | 78 | 63 | 15 |
| 1963-05-05 | @ MLN | 24 | W 3-2 | 13-11 | 4 | 10,024 | Cal Koonce | Tony Cloninger | Cal Koonce | Tony Cloninger | Lindy McDaniel | 81 | 65 | 16 |
| 1963-05-07 | vs PIT | 25 | W 5-4 | 14-11 | 4 | 6,012 | Larry Jackson | Don Cardwell | Larry Jackson | Don Cardwell | | 86 | 69 | 17 |
| 1963-05-08 | vs PIT | 26 | W 9-5 | 15-11 | 3 | 6,350 | Bob Buhl | Al McBean | Don Elston | Roy Face | | 95 | 74 | 21 |
| 1963-05-09 | vs PIT | 27 | W 3-1 | 16-11 | 2 | 5,961 | Dick Ellsworth | Don Schwall | Dick Ellsworth | Don Schwall | | 98 | 75 | 23 |
| 1963-05-10 | @ HOU | 28 | L 1-4 | 16-12 | 3 | 7,238 | Glen Hobbie | Turk Farrell | Turk Farrell | Glen Hobbie | | 99 | 79 | 20 |
| 1963-05-11 | @ HOU | 29 | L 3-5 | 16-14 | 4 | 0 | Cal Koonce | Hal Brown | Hal Woodeshick | Paul Toth | | 102 | 84 | 18 |
| 1963-05-11 | @ HOU | 30 | L 0-1 | 16-14 | 4 | 11,224 | Larry Jackson | Dick Drott | Dick Drott | Larry Jackson | Ken Johnson | 102 | 85 | 17 |
| 1963-05-12 | @ HOU | 31 | L 1-2 | 16-15 | 5 | 4,910 | Bob Buhl | Don Nottebart | Jim Umbricht | Bob Buhl | | 103 | 87 | 16 |
| 1963-05-14 | vs CIN | 32 | W 2-1 | 17-15 | 4 | 4,085 | Dick Ellsworth | Joe Nuxhall | Dick Ellsworth | Joe Nuxhall | Lindy McDaniel | 105 | 88 | 17 |
| 1963-05-15 | vs CIN | 33 | L 2-10 | 17-16 | 5 | 2,210 | Glen Hobbie | Jim Maloney | Jim Maloney | Glen Hobbie | Al Worthington | 107 | 98 | 9 |
| 1963-05-16 | vs CIN | 34 | W 2-0 | 18-16 | 3 | 2,831 | Larry Jackson | Jim O'Toole | Larry Jackson | Jim O'Toole | | 109 | 98 | 11 |
| 1963-05-18 | vs MLN | 35 | L 6-10 | 18-17 | 4 | 16,162 | Bob Buhl | Bob Shaw | Bob Shaw | Bob Buhl | Claude Raymond | 115 | 108 | 7 |
| 1963-05-19 | vs MLN | 36 | W 3-2 | 19-18 | 3 | 0 | Dick Ellsworth | Lew Burdette | Dick Ellsworth | Lew Burdette | | 118 | 110 | 8 |
| 1963-05-19 | vs MLN | 37 | L 2-8 | 19-18 | 3 | 21,007 | Cal Koonce | Warren Spahn | Warren Spahn | Cal Koonce | | 120 | 118 | 2 |
| 1963-05-21 | vs SLN | 38 | L 4-5 | 19-19 | 4 | 3,281 | Larry Jackson | Curt Simmons | Curt Simmons | Larry Jackson | Ron Taylor | 124 | 123 | 1 |
| 1963-05-22 | vs SLN | 39 | W 7-6 | 20-19 | 3 | 2,666 | Bob Buhl | Ray Washburn | Don Elston | Diomedes Olivo | | 131 | 129 | 2 |
| 1963-05-23 | vs SLN | 40 | L 0-1 | 20-20 | 5 | 6,379 | Dick Ellsworth | Ernie Broglio | Ernie Broglio | Dick Ellsworth | | 131 | 130 | 1 |
| 1963-05-24 | vs HOU | 41 | L 5-6 | 20-21 | 6 | 3,087 | Cal Koonce | Bob Bruce | Hal Woodeshick | Lindy McDaniel | | 136 | 136 | 0 |
| 1963-05-25 | vs HOU | 42 | W 4-1 | 21-21 | 5 | 9,786 | Larry Jackson | Turk Farrell | Larry Jackson | Turk Farrell | | 140 | 137 | 3 |
| 1963-05-26 | vs HOU | 43 | W 5-1 | 22-21 | 5 | 15,316 | Bob Buhl | Dick Drott | Bob Buhl | Dick Drott | | 145 | 138 | 7 |
| 1963-05-28 | @ NYN | 44 | W 5-2 | 23-21 | 4 | 8,858 | Dick Ellsworth | Roger Craig | Dick Ellsworth | Roger Craig | Lindy McDaniel | 150 | 140 | 10 |
| 1963-05-30 | @ NYN | 45 | W 12-0 | 24-22 | 4 | 0 | Larry Jackson | Al Jackson | Larry Jackson | Al Jackson | | 162 | 140 | 22 |
| 1963-05-30 | @ NYN | 46 | L 1-2 | 24-22 | 4 | 37,170 | Glen Hobbie | Jay Hook | Jay Hook | Glen Hobbie | | 163 | 142 | 21 |
| 1963-05-31 | @ PHI | 47 | W 2-1 | 25-22 | 4 | 10,717 | Bob Buhl | Chris Short | Bob Buhl | Chris Short | Lindy McDaniel | 165 | 143 | 22 |
| 1963-06-01 | @ PHI | 48 | W 2-0 | 26-22 | 4 | 3,902 | Dick Ellsworth | John Boozer | Dick Ellsworth | John Boozer | | 167 | 143 | 24 |
| 1963-06-02 | @ PHI | 49 | L 2-5 | 27-23 | 3 | 0 | Jim Brewer | Cal McLish | Cal McLish | Jim Brewer | | 169 | 148 | 21 |
| 1963-06-02 | @ PHI | 50 | W 3-2 | 27-23 | 3 | 8,009 | Cal Koonce | Art Mahaffey | Barney Schultz | Art Mahaffey | Lindy McDaniel | 172 | 150 | 22 |
| 1963-06-04 | vs SFN | 51 | W 6-1 | 28-23 | 3 | 9,126 | Bob Buhl | Billy O'Dell | Bob Buhl | Billy O'Dell | | 178 | 151 | 27 |
| 1963-06-05 | vs SFN | 52 | W 9-5 | 30-23 | 2 | 0 | Dick Ellsworth | Jack Fisher | Dick Ellsworth | Jack Fisher | Don Elston | 187 | 156 | 31 |
| 1963-06-05 | vs SFN | 53 | W 5-4 | 30-23 | 2 | 19,710 | Glen Hobbie | Jack Sanford | Lindy McDaniel | Jack Sanford | | 192 | 160 | 32 |
| 1963-06-06 | vs SFN | 54 | W 3-2 | 31-23 | 1 | 11,240 | Larry Jackson | Juan Marichal | Lindy McDaniel | Billy Pierce | | 195 | 162 | 33 |
| 1963-06-07 | vs LAN | 55 | L 1-4 | 31-24 | 1 | 12,741 | Paul Toth | Don Drysdale | Don Drysdale | Paul Toth | | 196 | 166 | 30 |
| 1963-06-08 | vs LAN | 56 | L 5-9 | 31-25 | 3 | 26,577 | Bob Buhl | Johnny Podres | Ron Perranoski | Don Elston | | 201 | 175 | 26 |
| 1963-06-09 | vs LAN | 57 | L 8-11 | 31-26 | 3 | 35,743 | Dick Ellsworth | Sandy Koufax | Larry Sherry | Dick Ellsworth | | 209 | 186 | 23 |
| 1963-06-10 | @ HOU | 58 | W 3-2 | 32-26 | 3 | 10,124 | Glen Hobbie | Dick Drott | Lindy McDaniel | Hal Woodeshick | | 212 | 188 | 24 |
| 1963-06-11 | @ HOU | 59 | L 2-6 | 32-27 | 4 | 12,327 | Larry Jackson | Ken Johnson | Hal Woodeshick | Lindy McDaniel | | 214 | 194 | 20 |
| 1963-06-12 | @ SFN | 60 | L 1-3 | 32-28 | 4 | 15,218 | Bob Buhl | Bobby Bolin | Bobby Bolin | Bob Buhl | | 215 | 197 | 18 |
| 1963-06-13 | @ SFN | 61 | L 1-2 | 32-29 | 5 | 12,217 | Dick Ellsworth | Billy O'Dell | Billy O'Dell | Dick Ellsworth | | 216 | 199 | 17 |
| 1963-06-14 | @ LAN | 62 | W 4-1 | 33-29 | 4 | 32,648 | Glen Hobbie | Bob Miller | Glen Hobbie | Bob Miller | | 220 | 200 | 20 |
| 1963-06-15 | @ LAN | 63 | L 1-4 | 33-30 | 4 | 22,179 | Larry Jackson | Don Drysdale | Don Drysdale | Larry Jackson | | 221 | 204 | 17 |
| 1963-06-16 | @ LAN | 64 | W 8-3 | 34-31 | 5 | 0 | Bob Buhl | Johnny Podres | Bob Buhl | Johnny Podres | | 229 | 207 | 22 |
| 1963-06-16 | @ LAN | 65 | L 0-2 | 34-31 | 5 | 45,239 | Paul Toth | Nick Willhite | Nick Willhite | Paul Toth | | 229 | 209 | 20 |
| 1963-06-18 | vs HOU | 66 | W 3-1 | 35-31 | 5 | 10,425 | Dick Ellsworth | Bob Bruce | Dick Ellsworth | Bob Bruce | Lindy McDaniel | 232 | 210 | 22 |
| 1963-06-19 | vs HOU | 67 | W 9-1 | 36-31 | 5 | 8,216 | Glen Hobbie | Hal Brown | Glen Hobbie | Hal Brown | Don Elston | 241 | 211 | 30 |
| 1963-06-20 | vs HOU | 68 | W 5-0 | 37-31 | 5 | 7,422 | Larry Jackson | Dick Drott | Larry Jackson | Dick Drott | | 246 | 211 | 35 |
| 1963-06-21 | vs PIT | 69 | W 6-5 | 38-31 | 5 | 13,321 | Bob Buhl | Don Cardwell | Don Elston | Joe Gibbon | | 252 | 216 | 36 |
| 1963-06-22 | vs PIT | 70 | L 0-3 | 38-32 | 5 | 20,761 | Dick Ellsworth | Bob Friend | Bob Friend | Dick Ellsworth | | 252 | 219 | 33 |
| 1963-06-23 | vs PIT | 71 | L 6-7 | 38-33 | 5 | 26,158 | Glen Hobbie | Vern Law | Harvey Haddix | Glen Hobbie | Al McBean | 258 | 226 | 32 |
| 1963-06-25 | @ NYN | 72 | W 4-1 | 39-33 | 5 | 14,024 | Larry Jackson | Jay Hook | Larry Jackson | Jay Hook | | 262 | 227 | 35 |
| 1963-06-26 | @ NYN | 73 | L 6-8 | 39-34 | 5 | 8,183 | Bob Buhl | Al Jackson | Galen Cisco | Jim Brewer | | 268 | 235 | 33 |
| 1963-06-28 | @ PHI | 74 | W 4-3 | 40-34 | 4 | 9,653 | Dick Ellsworth | Ryne Duren | Dick Ellsworth | Jack Baldschun | | 272 | 238 | 34 |
| 1963-06-30 | @ PHI | 75 | L 2-3 | 40-35 | 5 | 6,006 | Larry Jackson | Art Mahaffey | Art Mahaffey | Larry Jackson | Johnny Klippstein | 274 | 241 | 33 |
| 1963-07-02 | vs NYN | 76 | W 4-1 | 41-35 | 5 | 11,580 | Bob Buhl | Al Jackson | Bob Buhl | Al Jackson | | 278 | 242 | 36 |
| 1963-07-03 | vs NYN | 77 | W 9-2 | 42-35 | 5 | 9,246 | Dick Ellsworth | Jay Hook | Dick Ellsworth | Jay Hook | | 287 | 244 | 43 |
| 1963-07-04 | vs NYN | 78 | W 2-1 | 44-35 | 3 | 0 | Glen Hobbie | Roger Craig | Glen Hobbie | Roger Craig | | 289 | 245 | 44 |
| 1963-07-04 | vs NYN | 79 | W 3-0 | 44-35 | 3 | 32,654 | Paul Toth | Carl Willey | Paul Toth | Carl Willey | | 292 | 245 | 47 |
| 1963-07-05 | vs PHI | 80 | W 3-2 | 45-35 | 2 | 17,395 | Larry Jackson | Ray Culp | Lindy McDaniel | Johnny Klippstein | | 295 | 247 | 48 |
| 1963-07-06 | vs PHI | 81 | L 0-6 | 45-36 | 3 | 16,348 | Bob Buhl | Cal McLish | Cal McLish | Bob Buhl | | 295 | 253 | 42 |
| 1963-07-07 | vs PHI | 82 | L 2-3 | 45-37 | 3 | 18,277 | Dick Ellsworth | Art Mahaffey | Jack Baldschun | Lindy McDaniel | Dallas Green | 297 | 256 | 41 |
| 1963-07-10 | @ CIN | 83 | L 1-3 | 45-38 | 4 | 7,741 | Glen Hobbie | Joey Jay | Joey Jay | Glen Hobbie | Bill Henry | 298 | 259 | 39 |
| 1963-07-11 | @ CIN | 84 | W 7-0 | 46-39 | 4 | 0 | Dick Ellsworth | Joe Nuxhall | Dick Ellsworth | Al Worthington | | 305 | 259 | 46 |
| 1963-07-11 | @ CIN | 85 | L 3-7 | 46-39 | 4 | 15,112 | Paul Toth | Jim Maloney | Jim Maloney | Dick LeMay | | 308 | 266 | 42 |
| 1963-07-12 | @ CIN | 86 | W 4-1 | 47-39 | 4 | 13,314 | Bob Buhl | Jim O'Toole | Bob Buhl | Jim O'Toole | Lindy McDaniel | 312 | 267 | 45 |
| 1963-07-14 | @ SLN | 87 | L 3-10 | 48-40 | 3 | 0 | Glen Hobbie | Ray Sadecki | Ray Sadecki | Glen Hobbie | | 315 | 277 | 38 |
| 1963-07-14 | @ SLN | 88 | W 7-3 | 48-40 | 3 | 29,776 | Larry Jackson | Ron Taylor | Larry Jackson | Ron Taylor | Lindy McDaniel | 322 | 280 | 42 |
| 1963-07-15 | @ SLN | 89 | W 2-0 | 49-40 | 2 | 12,958 | Dick Ellsworth | Ernie Broglio | Dick Ellsworth | Ernie Broglio | Lindy McDaniel | 324 | 280 | 44 |
| 1963-07-16 | vs MLN | 90 | W 1-0 | 50-40 | 2 | 14,527 | Bob Buhl | Bob Sadowski | Bob Buhl | Bob Sadowski | Lindy McDaniel | 325 | 280 | 45 |
| 1963-07-17 | vs MLN | 91 | L 4-6 | 50-41 | 2 | 17,094 | Glen Hobbie | Hank Fischer | Hank Fischer | Paul Toth | Bob Shaw | 329 | 286 | 43 |
| 1963-07-18 | vs MLN | 92 | W 3-2 | 51-41 | 2 | 15,231 | Larry Jackson | Tony Cloninger | Larry Jackson | Tony Cloninger | Lindy McDaniel | 332 | 288 | 44 |
| 1963-07-19 | @ PIT | 93 | L 4-9 | 51-42 | 2 | 13,670 | Dick Ellsworth | Bob Friend | Bob Friend | Dick Ellsworth | Al McBean | 336 | 297 | 39 |
| 1963-07-21 | @ PIT | 94 | W 5-1 | 52-43 | 3 | 0 | Paul Toth | Don Cardwell | Paul Toth | Don Cardwell | | 341 | 298 | 43 |
| 1963-07-21 | @ PIT | 95 | L 5-6 | 52-43 | 3 | 21,576 | Dick LeMay | Don Schwall | Don Cardwell | Jack Warner | | 346 | 304 | 42 |
| 1963-07-23 | vs CIN | 96 | L 0-1 | 52-44 | 3 | 14,324 | Larry Jackson | Jim Maloney | Jim Maloney | Larry Jackson | | 346 | 305 | 41 |
| 1963-07-24 | vs CIN | 97 | W 2-1 | 53-44 | 3 | 13,040 | Dick Ellsworth | Bob Purkey | Dick Ellsworth | Bob Purkey | | 348 | 306 | 42 |
| 1963-07-25 | vs CIN | 98 | L 2-3 | 53-45 | 4 | 10,235 | Bob Buhl | John Tsitouris | John Tsitouris | Bob Buhl | Al Worthington | 350 | 309 | 41 |
| 1963-07-26 | vs SLN | 99 | L 1-4 | 53-46 | 5 | 17,917 | Paul Toth | Bob Gibson | Bob Gibson | Paul Toth | | 351 | 313 | 38 |
| 1963-07-27 | vs SLN | 100 | L 2-3 | 53-47 | 5 | 23,589 | Larry Jackson | Curt Simmons | Curt Simmons | Larry Jackson | Bobby Shantz | 353 | 316 | 37 |
| 1963-07-28 | vs SLN | 101 | W 5-1 | 55-47 | 4 | 0 | Dick Ellsworth | Ray Sadecki | Dick Ellsworth | Ray Sadecki | | 358 | 317 | 41 |
| 1963-07-28 | vs SLN | 102 | W 16-11 | 55-47 | 4 | 40,222 | Glen Hobbie | Ernie Broglio | Lindy McDaniel | Ed Bauta | | 374 | 328 | 46 |
| 1963-07-30 | @ MLN | 103 | L 2-9 | 55-48 | 4 | 15,876 | Bob Buhl | Hank Fischer | Hank Fischer | Bob Buhl | | 376 | 337 | 39 |
| 1963-07-31 | @ MLN | 104 | W 3-2 | 56-48 | 4 | 27,919 | Paul Toth | Tony Cloninger | Lindy McDaniel | Bob Shaw | | 379 | 339 | 40 |
| 1963-08-01 | @ MLN | 105 | W 10-2 | 57-48 | 4 | 13,456 | Larry Jackson | Denny Lemaster | Larry Jackson | Denny Lemaster | | 389 | 341 | 48 |
| 1963-08-02 | vs SFN | 106 | W 12-11 | 58-48 | 4 | 18,698 | Dick Ellsworth | Jack Sanford | Glen Hobbie | Don Larsen | | 401 | 352 | 49 |
| 1963-08-03 | vs SFN | 107 | L 5-9 | 58-49 | 4 | 25,149 | Bob Buhl | Jack Sanford | Jack Fisher | Bob Buhl | | 406 | 361 | 45 |
| 1963-08-04 | vs SFN | 108 | L 1-2 | 58-50 | 4 | 33,289 | Paul Toth | Billy O'Dell | Don Larsen | Lindy McDaniel | | 407 | 363 | 44 |
| 1963-08-06 | vs LAN | 109 | L 1-4 | 58-51 | 4 | 15,276 | Larry Jackson | Don Drysdale | Don Drysdale | Larry Jackson | | 408 | 367 | 41 |
| 1963-08-07 | vs LAN | 110 | L 1-3 | 58-52 | 4 | 27,184 | Dick Ellsworth | Sandy Koufax | Ron Perranoski | Lindy McDaniel | | 409 | 370 | 39 |
| 1963-08-08 | vs LAN | 111 | W 5-4 | 59-52 | 4 | 16,408 | Bob Buhl | Bob Miller | Lindy McDaniel | Larry Sherry | | 414 | 374 | 40 |
| 1963-08-09 | @ NYN | 112 | L 3-7 | 59-53 | 5 | 11,566 | Paul Toth | Roger Craig | Roger Craig | Paul Toth | | 417 | 381 | 36 |
| 1963-08-10 | @ NYN | 113 | W 4-0 | 60-53 | 4 | 11,931 | Larry Jackson | Galen Cisco | Larry Jackson | Galen Cisco | | 421 | 381 | 40 |
| 1963-08-11 | @ NYN | 114 | W 8-1 | 61-54 | 5 | 0 | Dick Ellsworth | Carl Willey | Dick Ellsworth | Carl Willey | | 429 | 382 | 47 |
| 1963-08-11 | @ NYN | 115 | L 4-11 | 61-54 | 5 | 18,574 | Bob Buhl | Tracy Stallard | Tracy Stallard | Bob Buhl | | 433 | 393 | 40 |
| 1963-08-14 | @ PHI | 116 | L 2-7 | 61-56 | 5 | 0 | Larry Jackson | Ray Culp | Johnny Klippstein | Larry Jackson | | 435 | 400 | 35 |
| 1963-08-14 | @ PHI | 117 | L 3-9 | 61-56 | 5 | 22,553 | Paul Toth | Dennis Bennett | Dennis Bennett | Paul Toth | | 438 | 409 | 29 |
| 1963-08-15 | @ PHI | 118 | L 3-4 | 61-57 | 6 | 13,403 | Bob Buhl | Cal McLish | Cal McLish | Bob Buhl | Jack Baldschun | 441 | 413 | 28 |
| 1963-08-16 | @ CIN | 119 | W 10-1 | 62-58 | 6 | 0 | Dick Ellsworth | Jim O'Toole | Dick Ellsworth | Jim O'Toole | | 451 | 414 | 37 |
| 1963-08-16 | @ CIN | 120 | L 2-8 | 62-58 | 6 | 19,481 | Glen Hobbie | Joey Jay | Joey Jay | Glen Hobbie | | 453 | 422 | 31 |
| 1963-08-17 | @ CIN | 121 | L 1-2 | 62-59 | 7 | 8,719 | Tom Baker | Bob Purkey | Bob Purkey | Tom Baker | Joe Nuxhall | 454 | 424 | 30 |
| 1963-08-18 | @ CIN | 122 | W 2-1 | 64-59 | 7 | 0 | Larry Jackson | Jim Maloney | Larry Jackson | Jim Maloney | Lindy McDaniel | 456 | 425 | 31 |
| 1963-08-18 | @ CIN | 123 | W 4-0 | 64-59 | 7 | 22,217 | Paul Toth | John Tsitouris | Paul Toth | John Tsitouris | | 460 | 425 | 35 |
| 1963-08-20 | vs PIT | 124 | L 3-5 | 64-60 | 7 | 15,161 | Bob Buhl | Don Cardwell | Don Cardwell | Bob Buhl | Roy Face | 463 | 430 | 33 |
| 1963-08-21 | vs PIT | 125 | L 6-7 | 64-61 | 7 | 15,341 | Dick Ellsworth | Joe Gibbon | Al McBean | Lindy McDaniel | Roy Face | 469 | 437 | 32 |
| 1963-08-22 | vs PIT | 126 | L 3-9 | 64-62 | 8 | 9,310 | Larry Jackson | Bob Friend | Bob Friend | Larry Jackson | Al McBean | 472 | 446 | 26 |
| 1963-08-23 | vs NYN | 127 | W 6-5 | 65-62 | 7 | 9,634 | Paul Toth | Tracy Stallard | Paul Toth | Larry Bearnarth | Lindy McDaniel | 478 | 451 | 27 |
| 1963-08-24 | vs NYN | 128 | L 0-5 | 65-63 | 8 | 5,128 | Cal Koonce | Carl Willey | Carl Willey | Cal Koonce | | 478 | 456 | 22 |
| 1963-08-25 | vs NYN | 129 | W 3-1 | 66-63 | 7 | 15,137 | Dick Ellsworth | Jay Hook | Dick Ellsworth | Jay Hook | | 481 | 457 | 24 |
| 1963-08-27 | vs PHI | 130 | W 4-3 | 67-63 | 7 | 11,785 | Larry Jackson | Dennis Bennett | Lindy McDaniel | Jack Baldschun | | 485 | 460 | 25 |
| 1963-08-28 | vs PHI | 131 | L 7-8 | 67-64 | 8 | 6,113 | Paul Toth | Chris Short | Dallas Green | Paul Toth | Ryne Duren | 492 | 468 | 24 |
| 1963-08-29 | vs PHI | 132 | W 2-1 | 68-64 | 7 | 10,954 | Dick Ellsworth | John Boozer | Dick Ellsworth | John Boozer | | 494 | 469 | 25 |
| 1963-08-30 | vs HOU | 133 | L 1-5 | 68-65 | 7 | 8,279 | Cal Koonce | Ken Johnson | Ken Johnson | Cal Koonce | | 495 | 474 | 21 |
| 1963-08-31 | vs HOU | 134 | W 6-5 | 69-65 | 7 | 9,027 | Larry Jackson | Hal Brown | Jim Brewer | Hal Woodeshick | | 501 | 479 | 22 |
| 1963-09-01 | vs HOU | 135 | W 4-3 | 70-65 | 7 | 14,083 | Bob Buhl | Don Nottebart | Lindy McDaniel | Don McMahon | | 505 | 482 | 23 |
| 1963-09-02 | @ SFN | 136 | W 7-5 | 72-65 | 6 | 0 | Dick Ellsworth | Bobby Bolin | Dick Ellsworth | Gaylord Perry | Lindy McDaniel | 512 | 487 | 25 |
| 1963-09-02 | @ SFN | 137 | W 6-0 | 72-65 | 6 | 34,590 | Glen Hobbie | Jack Fisher | Glen Hobbie | Jack Fisher | | 518 | 487 | 31 |
| 1963-09-03 | @ SFN | 138 | L 3-16 | 72-66 | 7 | 5,448 | Larry Jackson | Juan Marichal | Juan Marichal | Larry Jackson | Billy Hoeft | 521 | 503 | 18 |
| 1963-09-04 | @ LAN | 139 | W 2-1 | 73-66 | 6 | 21,840 | Cal Koonce | Bob Miller | Lindy McDaniel | Ken Rowe | | 523 | 504 | 19 |
| 1963-09-05 | @ LAN | 140 | L 0-4 | 73-67 | 7 | 35,256 | Bob Buhl | Pete Richert | Pete Richert | Bob Buhl | Larry Sherry | 523 | 508 | 15 |
| 1963-09-06 | @ HOU | 141 | W 3-0 | 74-67 | 6 | 5,131 | Glen Hobbie | Hal Brown | Glen Hobbie | Hal Brown | Lindy McDaniel | 526 | 508 | 18 |
| 1963-09-07 | @ HOU | 142 | L 1-2 | 74-68 | 7 | 4,802 | Dick Ellsworth | Turk Farrell | Turk Farrell | Dick Ellsworth | | 527 | 510 | 17 |
| 1963-09-08 | @ HOU | 143 | L 1-2 | 74-69 | 7 | 6,533 | Larry Jackson | Ken Johnson | Ken Johnson | Larry Jackson | Hal Woodeshick | 528 | 512 | 16 |
| 1963-09-09 | @ SLN | 144 | L 0-6 | 74-70 | 6 | 12,043 | Cal Koonce | Curt Simmons | Curt Simmons | Cal Koonce | | 528 | 518 | 10 |
| 1963-09-10 | @ SLN | 145 | L 0-8 | 74-71 | 7 | 13,883 | Glen Hobbie | Bob Gibson | Bob Gibson | Glen Hobbie | | 528 | 526 | 2 |
| 1963-09-11 | @ SLN | 146 | L 0-4 | 74-72 | 7 | 11,987 | Dick Ellsworth | Ray Sadecki | Ray Sadecki | Dick Ellsworth | Ron Taylor | 528 | 530 | -2 |
| 1963-09-12 | @ SLN | 147 | L 3-8 | 74-73 | 7 | 9,000 | Larry Jackson | Ernie Broglio | Ernie Broglio | Larry Jackson | | 531 | 538 | -7 |
| 1963-09-13 | vs CIN | 148 | W 3-2 | 75-73 | 7 | 15,511 | Paul Toth | Joe Nuxhall | Lindy McDaniel | Joe Nuxhall | | 534 | 540 | -6 |
| 1963-09-14 | vs CIN | 149 | L 4-8 | 75-74 | 7 | 8,560 | Cal Koonce | Dom Zanni | Joey Jay | Cal Koonce | | 538 | 548 | -10 |
| 1963-09-15 | vs CIN | 150 | L 1-3 | 75-75 | 7 | 11,261 | Dick Ellsworth | John Tsitouris | John Tsitouris | Dick Ellsworth | | 539 | 551 | -12 |
| 1963-09-16 | @ PIT | 151 | L 0-1 | 75-76 | 7 | 2,917 | Larry Jackson | Bob Veale | Bob Veale | Larry Jackson | | 539 | 552 | -13 |
| 1963-09-17 | @ PIT | 152 | W 3-1 | 76-77 | 7 | 0 | Bob Buhl | Bob Friend | Bob Buhl | Bob Friend | Lindy McDaniel | 542 | 553 | -11 |
| 1963-09-17 | @ PIT | 153 | L 3-4 | 76-77 | 7 | 5,160 | Glen Hobbie | Tommie Sisk | Harvey Haddix | Lindy McDaniel | Al McBean | 545 | 557 | -12 |
| 1963-09-18 | @ PIT | 154 | W 2-1 | 77-77 | 7 | 5,891 | Cal Koonce | Joe Gibbon | Don Elston | Joe Gibbon | | 547 | 558 | -11 |
| 1963-09-20 | vs MLN | 155 | W 1-0 | 78-77 | 7 | 1,004 | Dick Ellsworth | Denny Lemaster | Dick Ellsworth | Denny Lemaster | | 548 | 558 | -10 |
| 1963-09-21 | vs MLN | 156 | L 0-4 | 78-78 | 7 | 7,847 | Larry Jackson | Warren Spahn | Warren Spahn | Larry Jackson | | 548 | 562 | -14 |
| 1963-09-22 | vs MLN | 157 | W 7-3 | 79-78 | 7 | 8,866 | Bob Buhl | Bob Sadowski | Bob Buhl | Bob Sadowski | | 555 | 565 | -10 |
| 1963-09-24 | vs SLN | 158 | W 6-3 | 80-78 | 7 | 4,557 | Glen Hobbie | Bob Gibson | Lindy McDaniel | Bob Gibson | | 561 | 568 | -7 |
| 1963-09-25 | vs SLN | 159 | L 2-5 | 80-79 | 7 | 11,564 | Larry Jackson | Ernie Broglio | Ernie Broglio | Larry Jackson | | 563 | 573 | -10 |
| 1963-09-27 | @ MLN | 160 | W 3-2 | 81-79 | 7 | 10,088 | Cal Koonce | Bob Sadowski | Cal Koonce | Tony Cloninger | Lindy McDaniel | 566 | 575 | -9 |
| 1963-09-28 | @ MLN | 161 | W 4-1 | 82-79 | 7 | 8,289 | Dick Ellsworth | Denny Lemaster | Dick Ellsworth | Denny Lemaster | | 570 | 576 | -6 |
| 1963-09-29 | @ MLN | 162 | L 0-2 | 82-80 | 7 | 14,490 | Bob Buhl | Warren Spahn | Warren Spahn | Bob Buhl | | 570 | 578 | -8 |