| 2002-04-01 | @ CIN | 1 | L 4-5 | 0-1 | 3 | 41,913 | Jon Lieber | Joey Hamilton | Danny Graves | Jeff Fassero | | 4 | 5 | -1 |
| 2002-04-03 | @ CIN | 2 | W 10-3 | 1-1 | 1 | 19,745 | Kerry Wood | Elmer Dessens | Kerry Wood | Elmer Dessens | | 14 | 8 | 6 |
| 2002-04-04 | @ CIN | 3 | L 1-3 | 1-2 | 4 | 16,448 | Juan Cruz | Jose Acevedo | Jose Acevedo | Juan Cruz | Danny Graves | 15 | 11 | 4 |
| 2002-04-05 | vs PIT | 4 | L 1-2 | 1-3 | 6 | 41,555 | Jason Bere | David Williams | David Williams | Jason Bere | Mike Williams | 16 | 13 | 3 |
| 2002-04-06 | vs PIT | 5 | L 1-6 | 1-4 | 6 | 34,956 | Matt Clement | Josh Fogg | Josh Fogg | Matt Clement | | 17 | 19 | -2 |
| 2002-04-09 | vs NYN | 6 | W 2-0 | 2-4 | 5 | 18,151 | Jon Lieber | Steve Trachsel | Jon Lieber | Steve Trachsel | Antonio Alfonseca | 19 | 19 | 0 |
| 2002-04-10 | vs NYN | 7 | L 2-3 | 2-5 | 5 | 22,471 | Kerry Wood | Shawn Estes | David Weathers | Jeff Fassero | Armando Benitez | 21 | 22 | -1 |
| 2002-04-11 | vs NYN | 8 | L 2-3 | 2-6 | 5 | 29,496 | Juan Cruz | Pedro Astacio | Pedro Astacio | Juan Cruz | Armando Benitez | 23 | 25 | -2 |
| 2002-04-12 | @ PIT | 9 | W 7-3 | 3-6 | 5 | 24,002 | Jason Bere | David Williams | Jason Bere | David Williams | | 30 | 28 | 2 |
| 2002-04-13 | @ PIT | 10 | L 2-3 | 3-7 | 5 | 17,971 | Matt Clement | Josh Fogg | Josh Fogg | Matt Clement | Mike Williams | 32 | 31 | 1 |
| 2002-04-14 | @ PIT | 11 | W 5-1 | 4-7 | 5 | 16,045 | Jon Lieber | Ron Villone | Jon Lieber | Ron Villone | Joe Borowski | 37 | 32 | 5 |
| 2002-04-15 | @ MON | 12 | W 6-4 | 5-7 | 4 | 4,917 | Kerry Wood | Carl Pavano | Kerry Wood | Carl Pavano | Antonio Alfonseca | 43 | 36 | 7 |
| 2002-04-16 | @ MON | 13 | L 4-8 | 5-8 | 5 | 4,486 | Juan Cruz | Masato Yoshii | Masato Yoshii | Juan Cruz | T.J. Tucker | 47 | 44 | 3 |
| 2002-04-17 | @ MON | 14 | L 8-15 | 5-9 | 5 | 4,300 | Jason Bere | Tomo Ohka | Bruce Chen | Donovan Osborne | | 55 | 59 | -4 |
| 2002-04-19 | vs CIN | 15 | W 5-2 | 6-9 | 5 | 33,949 | Matt Clement | Joey Hamilton | Matt Clement | Joey Hamilton | Antonio Alfonseca | 60 | 61 | -1 |
| 2002-04-20 | vs CIN | 16 | L 1-6 | 6-10 | 5 | 36,476 | Kerry Wood | Elmer Dessens | Elmer Dessens | Kerry Wood | | 61 | 67 | -6 |
| 2002-04-21 | vs CIN | 17 | L 3-5 | 6-11 | 6 | 29,458 | Juan Cruz | Jose Rijo | Jose Rijo | Juan Cruz | Danny Graves | 64 | 72 | -8 |
| 2002-04-23 | vs SFN | 18 | L 4-12 | 6-12 | 6 | 30,643 | Jason Bere | Kirk Rueter | Kirk Rueter | Jason Bere | | 68 | 84 | -16 |
| 2002-04-24 | vs SFN | 19 | W 10-4 | 7-12 | 5 | 28,817 | Matt Clement | Jason Schmidt | Joe Borowski | Aaron Fultz | | 78 | 88 | -10 |
| 2002-04-25 | vs SFN | 20 | W 2-1 | 8-12 | 5 | 33,138 | Jon Lieber | Livan Hernandez | Jon Lieber | Livan Hernandez | Antonio Alfonseca | 80 | 89 | -9 |
| 2002-04-26 | vs LAN | 21 | L 0-10 | 8-13 | 5 | 23,686 | Kerry Wood | Odalis Perez | Odalis Perez | Kerry Wood | | 80 | 99 | -19 |
| 2002-04-28 | vs LAN | 22 | L 4-5 | 8-15 | 5 | 0 | Juan Cruz | Kazuhisa Ishii | Kazuhisa Ishii | Juan Cruz | Eric Gagne | 84 | 104 | -20 |
| 2002-04-28 | vs LAN | 23 | L 1-4 | 8-15 | 5 | 35,527 | Jason Bere | Andy Ashby | Andy Ashby | Jason Bere | | 85 | 108 | -23 |
| 2002-04-30 | @ SDN | 24 | L 1-2 | 8-16 | 5 | 20,389 | Matt Clement | Brian Lawrence | Jeremy Fikac | Joe Borowski | Trevor Hoffman | 86 | 110 | -24 |
| 2002-05-01 | @ SDN | 25 | L 3-4 | 8-17 | 5 | 18,071 | Jon Lieber | Robert Joseph Jones | Robert Joseph Jones | Jon Lieber | Trevor Hoffman | 89 | 114 | -25 |
| 2002-05-02 | @ SDN | 26 | W 6-1 | 9-17 | 5 | 31,651 | Kerry Wood | Brett Tomko | Kerry Wood | Brett Tomko | | 95 | 115 | -20 |
| 2002-05-03 | @ LAN | 27 | W 8-3 | 10-17 | 5 | 46,026 | Juan Cruz | Andy Ashby | Ron Mahay | Jesse Orosco | | 103 | 118 | -15 |
| 2002-05-04 | @ LAN | 28 | L 2-3 | 10-18 | 5 | 47,381 | Jason Bere | Kazuhisa Ishii | Kazuhisa Ishii | Jason Bere | Eric Gagne | 105 | 121 | -16 |
| 2002-05-05 | @ LAN | 29 | W 3-0 | 11-18 | 5 | 52,758 | Matt Clement | Kevin Brown | Ron Mahay | Kevin Brown | Antonio Alfonseca | 108 | 121 | -13 |
| 2002-05-06 | vs SLN | 30 | W 6-5 | 12-18 | 5 | 35,083 | Jon Lieber | Travis Smith | Jeff Fassero | Mike Timlin | | 114 | 126 | -12 |
| 2002-05-07 | vs SLN | 31 | W 8-0 | 13-18 | 5 | 35,748 | Kerry Wood | Bud Smith | Kerry Wood | Bud Smith | | 122 | 126 | -4 |
| 2002-05-08 | vs SLN | 32 | L 2-3 | 13-19 | 5 | 33,473 | Juan Cruz | Matt Morris | Matt Morris | Juan Cruz | Jason Isringhausen | 124 | 129 | -5 |
| 2002-05-09 | vs MIL | 33 | L 4-9 | 13-20 | 5 | 27,738 | Jason Bere | Ben Sheets | Ben Sheets | Jason Bere | | 128 | 138 | -10 |
| 2002-05-10 | vs MIL | 34 | L 4-6 | 13-21 | 5 | 34,005 | Matt Clement | Everett Stull | Ray King | Joe Borowski | Mike DeJean | 132 | 144 | -12 |
| 2002-05-12 | vs MIL | 35 | L 4-13 | 13-22 | 5 | 35,717 | Jon Lieber | Glendon Rusch | Glendon Rusch | Jon Lieber | | 136 | 157 | -21 |
| 2002-05-13 | @ SLN | 36 | L 0-3 | 13-23 | 5 | 45,720 | Kerry Wood | Matt Morris | Matt Morris | Kerry Wood | | 136 | 160 | -24 |
| 2002-05-14 | @ SLN | 37 | L 2-11 | 13-24 | 5 | 47,035 | Juan Cruz | Garrett Stephenson | Mike Timlin | Juan Cruz | | 138 | 171 | -33 |
| 2002-05-15 | @ SLN | 38 | L 1-4 | 13-25 | 5 | 40,719 | Jason Bere | Woody Williams | Gene Stechschulte | Jason Bere | Jason Isringhausen | 139 | 175 | -36 |
| 2002-05-17 | @ MIL | 39 | L 2-6 | 13-26 | 5 | 34,622 | Matt Clement | Glendon Rusch | Glendon Rusch | Matt Clement | | 141 | 181 | -40 |
| 2002-05-18 | @ MIL | 40 | L 1-3 | 13-27 | 6 | 42,280 | Jon Lieber | Jose Cabrera | Jose Cabrera | Jon Lieber | Mike DeJean | 142 | 184 | -42 |
| 2002-05-19 | @ MIL | 41 | W 5-4 | 14-27 | 5 | 41,424 | Kerry Wood | Ruben Quevedo | Joe Borowski | Valerio de los Santos | | 147 | 188 | -41 |
| 2002-05-21 | vs PIT | 42 | L 1-12 | 15-28 | 5 | 0 | Jason Bere | Jimmy Anderson | Jimmy Anderson | Jason Bere | | 148 | 200 | -52 |
| 2002-05-21 | vs PIT | 43 | W 4-3 | 15-28 | 5 | 37,175 | Juan Cruz | Josh Fogg | Juan Cruz | Josh Fogg | Antonio Alfonseca | 152 | 203 | -51 |
| 2002-05-22 | vs PIT | 44 | W 7-4 | 16-28 | 5 | 40,138 | Mark Prior | David Williams | Mark Prior | David Williams | Antonio Alfonseca | 159 | 207 | -48 |
| 2002-05-23 | vs PIT | 45 | W 11-6 | 17-28 | 5 | 37,578 | Matt Clement | Kris Benson | Matt Clement | Kris Benson | | 170 | 213 | -43 |
| 2002-05-24 | @ HOU | 46 | W 5-4 | 18-28 | 5 | 30,059 | Jon Lieber | Tim Redding | Pat Mahomes | Billy Wagner | Joe Borowski | 175 | 217 | -42 |
| 2002-05-25 | @ HOU | 47 | W 5-1 | 19-28 | 5 | 36,384 | Kerry Wood | Dave Mlicki | Kerry Wood | Dave Mlicki | | 180 | 218 | -38 |
| 2002-05-26 | @ HOU | 48 | L 5-7 | 19-29 | 5 | 37,546 | Jason Bere | Carlos Hernandez | Octavio Dotel | Jeff Fassero | Billy Wagner | 185 | 225 | -40 |
| 2002-05-27 | @ PIT | 49 | L 2-3 | 19-30 | 5 | 16,215 | Mark Prior | David Williams | Mike Williams | Antonio Alfonseca | | 187 | 228 | -41 |
| 2002-05-28 | @ PIT | 50 | W 3-0 | 20-30 | 5 | 15,060 | Matt Clement | Kris Benson | Matt Clement | Kris Benson | | 190 | 228 | -38 |
| 2002-05-29 | @ PIT | 51 | L 0-5 | 20-31 | 5 | 17,116 | Jon Lieber | Kip Wells | Kip Wells | Jon Lieber | | 190 | 233 | -43 |
| 2002-05-30 | @ PIT | 52 | W 9-8 | 21-31 | 5 | 21,208 | Kerry Wood | Jimmy Anderson | Kerry Wood | Jimmy Anderson | Antonio Alfonseca | 199 | 241 | -42 |
| 2002-05-31 | vs HOU | 53 | L 1-4 | 21-32 | 5 | 38,169 | Jason Bere | Carlos Hernandez | Carlos Hernandez | Jason Bere | Billy Wagner | 200 | 245 | -45 |
| 2002-06-01 | vs HOU | 54 | L 3-7 | 21-33 | 5 | 39,644 | Mark Prior | Roy Oswalt | Roy Oswalt | Mark Prior | Octavio Dotel | 203 | 252 | -49 |
| 2002-06-02 | vs HOU | 55 | W 4-2 | 22-33 | 5 | 37,643 | Matt Clement | Shane Reynolds | Matt Clement | Shane Reynolds | Antonio Alfonseca | 207 | 254 | -47 |
| 2002-06-03 | @ MIL | 56 | L 6-7 | 22-34 | 5 | 28,094 | Jon Lieber | Jamey Wright | Valerio de los Santos | Joe Borowski | Mike DeJean | 213 | 261 | -48 |
| 2002-06-04 | @ MIL | 57 | L 5-6 | 22-35 | 5 | 25,603 | Kerry Wood | Nelson Figueroa | Luis Vizcaino | Jeff Fassero | | 218 | 267 | -49 |
| 2002-06-05 | @ MIL | 58 | W 5-1 | 23-35 | 5 | 24,041 | Jason Bere | Ruben Quevedo | Kyle Farnsworth | Mike DeJean | | 223 | 268 | -45 |
| 2002-06-07 | @ SEA | 59 | W 2-0 | 24-35 | 5 | 46,083 | Mark Prior | Joel Pineiro | Mark Prior | Joel Pineiro | Antonio Alfonseca | 225 | 268 | -43 |
| 2002-06-08 | @ SEA | 60 | L 2-4 | 24-36 | 5 | 45,952 | Matt Clement | Freddy Garcia | Freddy Garcia | Matt Clement | Kazuhiro Sasaki | 227 | 272 | -45 |
| 2002-06-09 | @ SEA | 61 | W 5-1 | 25-36 | 5 | 46,030 | Jon Lieber | Rafael Soriano | Jon Lieber | Rafael Soriano | | 232 | 273 | -41 |
| 2002-06-10 | @ HOU | 62 | L 2-4 | 25-37 | 5 | 30,035 | Kerry Wood | Wade Miller | Wade Miller | Kerry Wood | Billy Wagner | 234 | 277 | -43 |
| 2002-06-11 | @ HOU | 63 | W 9-5 | 26-37 | 5 | 30,060 | Jason Bere | Carlos Hernandez | Kyle Farnsworth | Pedro Borbon | | 243 | 282 | -39 |
| 2002-06-12 | @ HOU | 64 | L 4-5 | 26-38 | 5 | 29,012 | Mark Prior | Roy Oswalt | Roy Oswalt | Juan Cruz | Billy Wagner | 247 | 287 | -40 |
| 2002-06-14 | vs CHA | 65 | W 8-4 | 27-38 | 5 | 38,051 | Matt Clement | Jon Garland | Matt Clement | Jon Garland | | 255 | 291 | -36 |
| 2002-06-15 | vs CHA | 66 | W 7-3 | 28-38 | 5 | 38,860 | Jon Lieber | Mark Buehrle | Jon Lieber | Mark Buehrle | | 262 | 294 | -32 |
| 2002-06-16 | vs CHA | 67 | L 7-10 | 28-39 | 5 | 38,742 | Kerry Wood | Todd Ritchie | Keith Foulke | Kerry Wood | Antonio Osuna | 269 | 304 | -35 |
| 2002-06-18 | vs TEX | 68 | W 4-3 | 29-39 | 5 | 39,690 | Jason Bere | Chan Ho Park | Antonio Alfonseca | John Rocker | | 273 | 307 | -34 |
| 2002-06-19 | vs TEX | 69 | L 4-7 | 29-40 | 5 | 35,581 | Mark Prior | Dave Burba | Hideki Irabu | Jeff Fassero | Francisco Cordero | 277 | 314 | -37 |
| 2002-06-20 | vs TEX | 70 | L 4-7 | 29-41 | 5 | 36,247 | Matt Clement | Ismael Valdez | Anthony Telford | Juan Cruz | Francisco Cordero | 281 | 321 | -40 |
| 2002-06-21 | vs SLN | 71 | W 2-1 | 30-41 | 5 | 38,486 | Jon Lieber | Woody Williams | Jon Lieber | Woody Williams | | 283 | 322 | -39 |
| 2002-06-23 | vs SLN | 72 | W 8-3 | 31-41 | 5 | 37,647 | Kerry Wood | Jason Simontacchi | Kerry Wood | Jason Simontacchi | | 291 | 325 | -34 |
| 2002-06-24 | vs CIN | 73 | W 6-4 | 32-41 | 3 | 38,201 | Mark Prior | Elmer Dessens | Jeff Fassero | Scott Williamson | Antonio Alfonseca | 297 | 329 | -32 |
| 2002-06-25 | vs CIN | 74 | L 2-5 | 32-42 | 5 | 29,628 | Matt Clement | Luis Pineda | Luis Pineda | Matt Clement | Danny Graves | 299 | 334 | -35 |
| 2002-06-26 | vs CIN | 75 | L 6-8 | 32-43 | 5 | 32,689 | Jason Bere | Jimmy Haynes | Jimmy Haynes | Jason Bere | Danny Graves | 305 | 342 | -37 |
| 2002-06-27 | vs CIN | 76 | L 4-5 | 32-44 | 5 | 37,129 | Jon Lieber | Joey Hamilton | Danny Graves | Kyle Farnsworth | | 309 | 347 | -38 |
| 2002-06-28 | @ CHA | 77 | L 9-13 | 32-45 | 5 | 46,027 | Kerry Wood | Dan Wright | Matt Ginter | Joe Borowski | | 318 | 360 | -42 |
| 2002-06-29 | @ CHA | 78 | L 4-5 | 32-46 | 5 | 45,942 | Mark Prior | Jon Garland | Jon Garland | Juan Cruz | Antonio Osuna | 322 | 365 | -43 |
| 2002-06-30 | @ CHA | 79 | W 9-2 | 33-46 | 5 | 45,351 | Matt Clement | Mark Buehrle | Matt Clement | Mark Buehrle | | 331 | 367 | -36 |
| 2002-07-01 | @ FLO | 80 | L 1-11 | 33-47 | 5 | 7,412 | Carlos Zambrano | Michael Tejera | Michael Tejera | Carlos Zambrano | | 332 | 378 | -46 |
| 2002-07-02 | @ FLO | 81 | L 7-9 | 33-48 | 5 | 9,669 | Jon Lieber | Brad Penny | Blaine Neal | Jon Lieber | | 339 | 387 | -48 |
| 2002-07-03 | @ FLO | 82 | W 6-2 | 34-48 | 5 | 11,785 | Kerry Wood | Ryan Dempster | Kerry Wood | Ryan Dempster | | 345 | 389 | -44 |
| 2002-07-04 | @ ATL | 83 | L 1-5 | 34-49 | 5 | 49,967 | Mark Prior | Jason Marquis | Mike Remlinger | Mark Prior | John Smoltz | 346 | 394 | -48 |
| 2002-07-05 | @ ATL | 84 | L 3-4 | 34-50 | 5 | 48,784 | Matt Clement | Kevin Millwood | Kevin Millwood | Matt Clement | John Smoltz | 349 | 398 | -49 |
| 2002-07-06 | @ ATL | 85 | W 7-3 | 35-50 | 5 | 49,961 | Carlos Zambrano | Tom Glavine | Carlos Zambrano | Tom Glavine | | 356 | 401 | -45 |
| 2002-07-07 | @ ATL | 86 | L 0-2 | 35-51 | 5 | 34,140 | Jon Lieber | Greg Maddux | Greg Maddux | Jon Lieber | John Smoltz | 356 | 403 | -47 |
| 2002-07-12 | vs FLO | 87 | W 5-4 | 36-51 | 5 | 39,175 | Kerry Wood | A.J. Burnett | Jeff Fassero | Carl Pavano | | 361 | 407 | -46 |
| 2002-07-13 | vs FLO | 88 | W 9-2 | 37-51 | 5 | 39,706 | Matt Clement | Julian Tavarez | Matt Clement | Julian Tavarez | | 370 | 409 | -39 |
| 2002-07-14 | vs FLO | 89 | W 10-3 | 38-51 | 5 | 38,806 | Mark Prior | Michael Tejera | Mark Prior | Michael Tejera | Kyle Farnsworth | 380 | 412 | -32 |
| 2002-07-15 | vs ATL | 90 | W 3-2 | 39-51 | 5 | 40,206 | Carlos Zambrano | Jason Marquis | Carlos Zambrano | Jason Marquis | Antonio Alfonseca | 383 | 414 | -31 |
| 2002-07-16 | vs ATL | 91 | L 0-2 | 39-52 | 5 | 39,118 | Jon Lieber | Kevin Millwood | Kevin Millwood | Jon Lieber | John Smoltz | 383 | 416 | -33 |
| 2002-07-17 | @ PHI | 92 | L 3-4 | 39-53 | 5 | 23,541 | Kerry Wood | Robert Person | Jose Mesa | Jeff Fassero | | 386 | 420 | -34 |
| 2002-07-18 | @ PHI | 93 | W 6-4 | 40-53 | 5 | 27,672 | Matt Clement | Vicente Padilla | Matt Clement | Vicente Padilla | | 392 | 424 | -32 |
| 2002-07-19 | vs HOU | 94 | W 5-0 | 41-53 | 5 | 38,566 | Mark Prior | Nelson Cruz | Mark Prior | Nelson Cruz | | 397 | 424 | -27 |
| 2002-07-20 | vs HOU | 95 | L 2-3 | 41-54 | 5 | 39,298 | Carlos Zambrano | Kirk Saarloos | Kirk Saarloos | Carlos Zambrano | Billy Wagner | 399 | 427 | -28 |
| 2002-07-21 | vs HOU | 96 | W 3-2 | 42-54 | 5 | 37,541 | Jon Lieber | Roy Oswalt | Jeff Fassero | Tim Redding | Antonio Alfonseca | 402 | 429 | -27 |
| 2002-07-22 | vs PHI | 97 | W 7-6 | 43-54 | 5 | 29,618 | Kerry Wood | Robert Person | Kyle Farnsworth | Jose Mesa | | 409 | 435 | -26 |
| 2002-07-23 | vs PHI | 98 | L 4-7 | 43-55 | 5 | 32,770 | Matt Clement | Vicente Padilla | Dave Coggin | Matt Clement | Jose Mesa | 413 | 442 | -29 |
| 2002-07-24 | vs PHI | 99 | L 2-4 | 43-56 | 5 | 32,697 | Mark Prior | Brett Myers | Brett Myers | Mark Prior | Jose Mesa | 415 | 446 | -31 |
| 2002-07-25 | vs PHI | 100 | L 2-6 | 43-57 | 5 | 34,565 | Carlos Zambrano | Brandon Duckworth | Carlos Silva | Kyle Farnsworth | | 417 | 452 | -35 |
| 2002-07-26 | @ SLN | 101 | L 4-8 | 43-58 | 5 | 48,730 | Jon Lieber | Chuck Finley | Chuck Finley | Jon Lieber | | 421 | 460 | -39 |
| 2002-07-27 | @ SLN | 102 | W 7-3 | 44-58 | 5 | 47,110 | Kerry Wood | Jason Simontacchi | Kerry Wood | Jason Simontacchi | | 428 | 463 | -35 |
| 2002-07-28 | @ SLN | 103 | L 9-10 | 44-59 | 5 | 47,583 | Matt Clement | Matt Morris | Dave Veres | Antonio Alfonseca | | 437 | 473 | -36 |
| 2002-07-30 | vs SDN | 104 | L 5-6 | 44-60 | 5 | 39,819 | Mark Prior | Robert Joseph Jones | Mike Holtz | Tom Gordon | Trevor Hoffman | 442 | 479 | -37 |
| 2002-07-31 | vs SDN | 105 | L 6-8 | 44-61 | 5 | 34,483 | Carlos Zambrano | Oliver Perez | Brandon Villafuerte | Kyle Farnsworth | Trevor Hoffman | 448 | 487 | -39 |
| 2002-08-01 | vs SDN | 106 | W 8-7 | 45-61 | 5 | 33,751 | Jon Lieber | Jake Peavy | Tom Gordon | Trevor Hoffman | | 456 | 494 | -38 |
| 2002-08-02 | vs COL | 107 | W 6-4 | 46-61 | 5 | 38,493 | Kerry Wood | Mike Hampton | Joe Borowski | Victor Santos | | 462 | 498 | -36 |
| 2002-08-03 | vs COL | 108 | L 1-2 | 46-62 | 5 | 39,385 | Matt Clement | Denny Neagle | Denny Neagle | Matt Clement | Jose Jimenez | 463 | 500 | -37 |
| 2002-08-04 | vs COL | 109 | W 4-1 | 47-62 | 5 | 38,474 | Mark Prior | Shawn Chacon | Mark Prior | Shawn Chacon | | 467 | 501 | -34 |
| 2002-08-06 | @ SFN | 110 | L 10-11 | 47-63 | 5 | 41,991 | Steve Smyth | Ryan Jensen | Tim Worrell | Kyle Farnsworth | Robb Nen | 477 | 512 | -35 |
| 2002-08-07 | @ SFN | 111 | L 3-4 | 47-64 | 5 | 41,408 | Kerry Wood | Russ Ortiz | Robb Nen | Antonio Alfonseca | | 480 | 516 | -36 |
| 2002-08-08 | @ SFN | 112 | W 9-3 | 48-64 | 5 | 41,617 | Matt Clement | Livan Hernandez | Matt Clement | Livan Hernandez | | 489 | 519 | -30 |
| 2002-08-09 | @ COL | 113 | L 0-2 | 48-65 | 5 | 41,131 | Carlos Zambrano | Denny Neagle | Denny Neagle | Carlos Zambrano | Jose Jimenez | 489 | 521 | -32 |
| 2002-08-10 | @ COL | 114 | W 15-1 | 49-65 | 5 | 45,474 | Mark Prior | Shawn Chacon | Mark Prior | Shawn Chacon | | 504 | 522 | -18 |
| 2002-08-11 | @ COL | 115 | W 12-9 | 50-65 | 5 | 37,016 | Steve Smyth | Denny Stark | Steve Smyth | Denny Stark | | 516 | 531 | -15 |
| 2002-08-12 | vs HOU | 116 | L 6-9 | 50-66 | 5 | 39,999 | Kerry Wood | Roy Oswalt | Roy Oswalt | Kerry Wood | Billy Wagner | 522 | 540 | -18 |
| 2002-08-13 | vs HOU | 117 | L 4-5 | 50-67 | 5 | 29,641 | Matt Clement | Peter Munro | Peter Munro | Matt Clement | Billy Wagner | 526 | 545 | -19 |
| 2002-08-14 | vs HOU | 118 | L 3-4 | 50-68 | 5 | 34,493 | Carlos Zambrano | Wade Miller | Wade Miller | Carlos Zambrano | Ricky Stone | 529 | 549 | -20 |
| 2002-08-15 | vs HOU | 119 | W 6-4 | 51-68 | 5 | 37,836 | Mark Prior | Kirk Saarloos | Jeff Fassero | Kirk Saarloos | Antonio Alfonseca | 535 | 553 | -18 |
| 2002-08-16 | vs ARI | 120 | L 1-2 | 51-69 | 5 | 39,188 | Steve Smyth | Curt Schilling | Curt Schilling | Steve Smyth | Byung-Hyun Kim | 536 | 555 | -19 |
| 2002-08-17 | vs ARI | 121 | L 2-6 | 51-70 | 5 | 38,728 | Kerry Wood | Miguel Batista | Mike Fetters | Kyle Farnsworth | | 538 | 561 | -23 |
| 2002-08-18 | vs ARI | 122 | W 3-2 | 52-70 | 5 | 38,540 | Matt Clement | Rick Helling | Antonio Alfonseca | Matt Mantei | | 541 | 563 | -22 |
| 2002-08-20 | @ HOU | 123 | W 14-12 | 53-70 | 5 | 32,663 | Carlos Zambrano | Kirk Saarloos | Will Cunnane | Brandon Puffer | Antonio Alfonseca | 555 | 575 | -20 |
| 2002-08-21 | @ HOU | 124 | L 0-4 | 53-71 | 5 | 27,582 | Mark Prior | Carlos Hernandez | Carlos Hernandez | Mark Prior | Octavio Dotel | 555 | 579 | -24 |
| 2002-08-22 | @ HOU | 125 | L 1-9 | 53-72 | 5 | 29,152 | Steve Smyth | Roy Oswalt | Roy Oswalt | Steve Smyth | | 556 | 588 | -32 |
| 2002-08-23 | @ ARI | 126 | L 2-3 | 53-73 | 5 | 47,095 | Kerry Wood | Rick Helling | Mike Koplove | Kerry Wood | Byung-Hyun Kim | 558 | 591 | -33 |
| 2002-08-24 | @ ARI | 127 | W 4-0 | 54-73 | 5 | 47,703 | Matt Clement | Brian Anderson | Matt Clement | Brian Anderson | | 562 | 591 | -29 |
| 2002-08-25 | @ ARI | 128 | L 0-7 | 54-74 | 5 | 47,304 | Carlos Zambrano | Randy Johnson | Randy Johnson | Carlos Zambrano | | 562 | 598 | -36 |
| 2002-08-26 | @ MIL | 129 | L 1-2 | 54-75 | 5 | 27,254 | Mark Prior | Ben Sheets | Ben Sheets | Mark Prior | Mike DeJean | 563 | 600 | -37 |
| 2002-08-27 | @ MIL | 130 | W 6-2 | 55-75 | 5 | 24,231 | Alan Benes | Jimmy Osting | Alan Benes | Jimmy Osting | | 569 | 602 | -33 |
| 2002-08-28 | @ MIL | 131 | L 1-5 | 55-76 | 5 | 24,385 | Kerry Wood | Glendon Rusch | Glendon Rusch | Kerry Wood | Luis Vizcaino | 570 | 607 | -37 |
| 2002-08-29 | @ MIL | 132 | W 13-10 | 56-76 | 5 | 29,324 | Matt Clement | Andrew Lorraine | Matt Clement | Andrew Lorraine | | 583 | 617 | -34 |
| 2002-08-30 | vs SLN | 133 | L 3-6 | 56-77 | 5 | 36,311 | Carlos Zambrano | Jamey Wright | Jamey Wright | Carlos Zambrano | Dave Veres | 586 | 623 | -37 |
| 2002-08-31 | vs SLN | 134 | L 1-8 | 56-79 | 5 | 37,874 | Mark Prior | Luther Hackman | Luther Hackman | Mark Prior | | 587 | 631 | -44 |
| 2002-08-31 | vs SLN | 135 | L 4-10 | 56-79 | 5 | 37,639 | Jason Bere | Andy Benes | Andy Benes | Jason Bere | | 591 | 641 | -50 |
| 2002-09-01 | vs SLN | 136 | W 5-4 | 57-79 | 5 | 37,739 | Alan Benes | Chuck Finley | Juan Cruz | Chuck Finley | Antonio Alfonseca | 596 | 645 | -49 |
| 2002-09-02 | vs MIL | 137 | L 2-4 | 58-80 | 5 | 0 | Steve Smyth | Glendon Rusch | Glendon Rusch | Steve Smyth | Mike DeJean | 598 | 649 | -51 |
| 2002-09-02 | vs MIL | 138 | W 17-4 | 58-80 | 5 | 36,797 | Kerry Wood | Ben Diggins | Kerry Wood | Ben Diggins | | 615 | 653 | -38 |
| 2002-09-03 | vs MIL | 139 | W 10-1 | 59-80 | 5 | 30,020 | Matt Clement | Dave Pember | Matt Clement | Dave Pember | | 625 | 654 | -29 |
| 2002-09-04 | vs MIL | 140 | W 3-0 | 60-80 | 5 | 21,629 | Carlos Zambrano | Nelson Figueroa | Carlos Zambrano | Nelson Figueroa | Antonio Alfonseca | 628 | 654 | -26 |
| 2002-09-06 | @ SLN | 141 | L 2-11 | 60-81 | 5 | 38,661 | Alan Benes | Andy Benes | Andy Benes | Alan Benes | | 630 | 665 | -35 |
| 2002-09-07 | @ SLN | 142 | L 5-6 | 60-82 | 5 | 46,779 | Steve Smyth | Chuck Finley | Jeff Fassero | Antonio Alfonseca | | 635 | 671 | -36 |
| 2002-09-08 | @ SLN | 143 | L 1-3 | 60-83 | 5 | 45,265 | Kerry Wood | Jason Simontacchi | Jason Simontacchi | Kerry Wood | Steve Kline | 636 | 674 | -38 |
| 2002-09-09 | vs MON | 144 | W 3-2 | 61-83 | 5 | 28,162 | Matt Clement | Tony Armas | Joe Borowski | Jim Brower | | 639 | 676 | -37 |
| 2002-09-10 | vs MON | 145 | L 2-6 | 61-84 | 5 | 29,587 | Carlos Zambrano | Javier Vazquez | Javier Vazquez | Carlos Zambrano | | 641 | 682 | -41 |
| 2002-09-11 | vs MON | 146 | W 6-3 | 62-84 | 5 | 20,503 | Alan Benes | Masato Yoshii | Alan Benes | Masato Yoshii | Antonio Alfonseca | 647 | 685 | -38 |
| 2002-09-12 | @ CIN | 147 | L 12-15 | 62-85 | 5 | 16,918 | Steve Smyth | Shawn Estes | John Riedling | Kyle Farnsworth | Scott Williamson | 659 | 700 | -41 |
| 2002-09-13 | @ CIN | 148 | W 7-6 | 63-85 | 5 | 21,791 | Kerry Wood | Jimmy Haynes | Kerry Wood | Chris Reitsma | Antonio Alfonseca | 666 | 706 | -40 |
| 2002-09-14 | @ CIN | 149 | L 1-3 | 63-86 | 5 | 24,292 | Matt Clement | Ryan Dempster | Ryan Dempster | Matt Clement | Scott Williamson | 667 | 709 | -42 |
| 2002-09-15 | @ CIN | 150 | W 6-0 | 64-86 | 5 | 22,201 | Carlos Zambrano | Danny Graves | Carlos Zambrano | Scott Sullivan | | 673 | 709 | -36 |
| 2002-09-17 | @ NYN | 151 | L 1-3 | 64-87 | 5 | 36,772 | Alan Benes | Al Leiter | David Weathers | Juan Cruz | | 674 | 712 | -38 |
| 2002-09-18 | @ NYN | 152 | L 1-2 | 64-88 | 5 | 28,190 | Kerry Wood | Steve Trachsel | Steve Trachsel | Kerry Wood | Armando Benitez | 675 | 714 | -39 |
| 2002-09-19 | @ NYN | 153 | L 2-3 | 64-89 | 5 | 34,664 | Matt Clement | Jason Middlebrook | Grant Roberts | Will Cunnane | | 677 | 717 | -40 |
| 2002-09-20 | @ PIT | 154 | L 4-5 | 64-90 | 5 | 22,299 | Carlos Zambrano | Salomon Torres | Scott Sauerbeck | Antonio Alfonseca | | 681 | 722 | -41 |
| 2002-09-21 | @ PIT | 155 | W 4-2 | 65-90 | 5 | 33,653 | Pat Mahomes | Kip Wells | Kyle Farnsworth | Scott Sauerbeck | Juan Cruz | 685 | 724 | -39 |
| 2002-09-22 | @ PIT | 156 | L 4-5 | 65-91 | 5 | 25,026 | Alan Benes | Kris Benson | Kris Benson | Alan Benes | Mike Williams | 689 | 729 | -40 |
| 2002-09-24 | vs CIN | 157 | L 0-1 | 65-92 | 5 | 28,919 | Kerry Wood | Jimmy Haynes | Jimmy Haynes | Kerry Wood | Scott Williamson | 689 | 730 | -41 |
| 2002-09-25 | vs CIN | 158 | L 2-8 | 65-93 | 5 | 29,658 | Matt Clement | Ryan Dempster | Ryan Dempster | Matt Clement | | 691 | 738 | -47 |
| 2002-09-26 | vs CIN | 159 | L 0-1 | 65-94 | 5 | 20,032 | Carlos Zambrano | Danny Graves | Danny Graves | Carlos Zambrano | Scott Williamson | 691 | 739 | -48 |
| 2002-09-27 | vs PIT | 160 | L 3-13 | 65-95 | 5 | 27,637 | Pat Mahomes | Salomon Torres | Salomon Torres | Pat Mahomes | | 694 | 752 | -58 |
| 2002-09-28 | vs PIT | 161 | W 5-4 | 66-95 | 5 | 38,617 | Alan Benes | Kip Wells | Juan Cruz | Brian Boehringer | | 699 | 756 | -57 |
| 2002-09-29 | vs PIT | 162 | W 7-3 | 67-95 | 5 | 37,541 | Kerry Wood | Josh Fogg | Kerry Wood | Josh Fogg | | 706 | 759 | -53 |