Oldest Player: Chris Cannizzaro (33)
Youngest Player: Jay Franklin (18)
Longest Tenure: Jerry Morales, Cito Gaston, Tommy Dean, Mike Corkins, Nate Colbert, Fred Kendall, Clay Kirby, Chris Cannizzaro, Al Ferrara, Ollie Brown, Ivan Murrell, Dave Roberts, Gary Ross, Al Santorini, Steve Arlin, Ron Slocum, Ed Spiezio, Larry Stahl (3)
Top Hitter: Enzo Hernandez (31)
Top Pitcher: Clay Kirby (10)
Top Draft Pick: Jay Franklin (#2)
Roster Continuity: 69.45%
| 1971-04-06 | vs SFN | 1 | L 0-4 | 0-1 | 6 | 34,554 | Tom Phoebus | Juan Marichal | Juan Marichal | Tom Phoebus | | 0 | 4 | -4 |
| 1971-04-07 | vs SFN | 2 | L 3-7 | 0-2 | 6 | 6,790 | Clay Kirby | Gaylord Perry | Gaylord Perry | Clay Kirby | | 3 | 11 | -8 |
| 1971-04-08 | vs SFN | 3 | W 7-6 | 1-2 | 5 | 6,199 | Steve Arlin | Steve Stone | Gary Ross | Don McMahon | | 10 | 17 | -7 |
| 1971-04-09 | @ LAN | 4 | W 6-3 | 2-2 | 4 | 31,413 | Danny Coombs | Bill Singer | Danny Coombs | Bill Singer | Al Severinsen | 16 | 20 | -4 |
| 1971-04-10 | @ LAN | 5 | L 2-9 | 2-3 | 5 | 19,705 | Dave Roberts | Claude Osteen | Claude Osteen | Dave Roberts | | 18 | 29 | -11 |
| 1971-04-11 | @ LAN | 6 | W 9-7 | 3-3 | 4 | 14,536 | Tom Phoebus | Don Sutton | Tom Phoebus | Don Sutton | Al Severinsen | 27 | 36 | -9 |
| 1971-04-12 | @ SFN | 7 | L 0-5 | 3-4 | 5 | 29,847 | Clay Kirby | Gaylord Perry | Gaylord Perry | Clay Kirby | | 27 | 41 | -14 |
| 1971-04-15 | vs CHN | 8 | L 3-4 | 3-5 | 6 | 4,515 | Steve Arlin | Bill Hands | Bill Hands | Steve Arlin | | 30 | 45 | -15 |
| 1971-04-16 | vs SLN | 9 | L 1-7 | 3-6 | 6 | 6,782 | Danny Coombs | Bob Gibson | Bob Gibson | Danny Coombs | | 31 | 52 | -21 |
| 1971-04-17 | vs SLN | 10 | L 0-4 | 3-7 | 6 | 3,462 | Tom Phoebus | Steve Carlton | Steve Carlton | Tom Phoebus | | 31 | 56 | -25 |
| 1971-04-18 | vs SLN | 11 | L 2-4 | 3-8 | 6 | 8,777 | Clay Kirby | Mike Torrez | Mike Torrez | Gary Ross | Frank Linzy | 33 | 60 | -27 |
| 1971-04-19 | vs LAN | 12 | L 2-3 | 3-9 | 6 | 3,727 | Dave Roberts | Don Sutton | Pete Mikkelsen | Dave Roberts | | 35 | 63 | -28 |
| 1971-04-20 | vs LAN | 13 | L 2-6 | 3-10 | 6 | 4,523 | Steve Arlin | Al Downing | Al Downing | Steve Arlin | | 37 | 69 | -32 |
| 1971-04-21 | vs LAN | 14 | L 2-10 | 3-11 | 6 | 3,907 | Danny Coombs | Bill Singer | Bill Singer | Danny Coombs | | 39 | 79 | -40 |
| 1971-04-24 | @ ATL | 15 | W 3-2 | 4-11 | 6 | 8,115 | Tom Phoebus | Pat Jarvis | Tom Phoebus | Cecil Upshaw | Al Severinsen | 42 | 81 | -39 |
| 1971-04-25 | @ ATL | 16 | W 3-2 | 5-12 | 6 | 0 | Dave Roberts | Phil Niekro | Dave Roberts | Phil Niekro | Al Severinsen | 45 | 83 | -38 |
| 1971-04-25 | @ ATL | 17 | L 3-4 | 5-12 | 6 | 25,922 | Clay Kirby | George Stone | Cecil Upshaw | Gary Ross | | 48 | 87 | -39 |
| 1971-04-27 | @ CIN | 18 | L 1-6 | 5-13 | 6 | 6,130 | Steve Arlin | Gary Nolan | Gary Nolan | Steve Arlin | Clay Carroll | 49 | 93 | -44 |
| 1971-04-28 | @ CIN | 19 | L 5-6 | 5-14 | 6 | 6,484 | Danny Coombs | Jim McGlothlin | Clay Carroll | Dick Kelley | | 54 | 99 | -45 |
| 1971-04-29 | @ CIN | 20 | L 2-4 | 5-15 | 6 | 7,019 | Tom Phoebus | Wayne Simpson | Wayne Simpson | Tom Phoebus | Wayne Granger | 56 | 103 | -47 |
| 1971-04-30 | @ PIT | 21 | L 3-5 | 5-16 | 6 | 5,944 | Dave Roberts | Bob Johnson | Jim Nelson | Dick Kelley | Mudcat Grant | 59 | 108 | -49 |
| 1971-05-01 | @ PIT | 22 | L 4-5 | 5-17 | 6 | 6,068 | Clay Kirby | Bob Moose | Mudcat Grant | Bill Laxton | | 63 | 113 | -50 |
| 1971-05-02 | @ PIT | 23 | L 1-5 | 5-18 | 6 | 8,482 | Steve Arlin | Dock Ellis | Dock Ellis | Steve Arlin | Dave Giusti | 64 | 118 | -54 |
| 1971-05-04 | vs ATL | 24 | W 3-2 | 6-18 | 6 | 2,924 | Tom Phoebus | Pat Jarvis | Al Severinsen | Pat Jarvis | | 67 | 120 | -53 |
| 1971-05-05 | vs ATL | 25 | W 5-1 | 7-19 | 6 | 0 | Dave Roberts | Phil Niekro | Dave Roberts | Phil Niekro | Al Severinsen | 72 | 121 | -49 |
| 1971-05-05 | vs ATL | 26 | L 1-3 | 7-19 | 6 | 4,973 | Clay Kirby | Jim Nash | Jim Nash | Clay Kirby | Cecil Upshaw | 73 | 124 | -51 |
| 1971-05-08 | vs CIN | 27 | W 10-0 | 8-20 | 6 | 0 | Steve Arlin | Don Gullett | Steve Arlin | Don Gullett | | 83 | 124 | -41 |
| 1971-05-08 | vs CIN | 28 | L 4-7 | 8-20 | 6 | 16,406 | Tom Phoebus | Gary Nolan | Gary Nolan | Tom Phoebus | Wayne Granger | 87 | 131 | -44 |
| 1971-05-09 | vs CIN | 29 | W 7-2 | 9-20 | 6 | 9,557 | Clay Kirby | Jim McGlothlin | Clay Kirby | Jim McGlothlin | | 94 | 133 | -39 |
| 1971-05-11 | vs PIT | 30 | L 4-10 | 9-21 | 6 | 4,440 | Danny Coombs | Dock Ellis | Dock Ellis | Danny Coombs | Dave Giusti | 98 | 143 | -45 |
| 1971-05-12 | vs PIT | 31 | W 2-1 | 10-21 | 6 | 4,292 | Dave Roberts | Luke Walker | Dave Roberts | Luke Walker | | 100 | 144 | -44 |
| 1971-05-14 | @ CHN | 32 | L 2-3 | 10-22 | 6 | 7,060 | Steve Arlin | Milt Pappas | Milt Pappas | Steve Arlin | | 102 | 147 | -45 |
| 1971-05-15 | @ CHN | 33 | L 4-6 | 10-23 | 6 | 23,845 | Tom Phoebus | Fergie Jenkins | Fergie Jenkins | Dick Kelley | | 106 | 153 | -47 |
| 1971-05-16 | @ CHN | 34 | L 8-9 | 10-25 | 6 | 0 | Danny Coombs | Bill Hands | Earl Stephenson | Al Santorini | | 114 | 162 | -48 |
| 1971-05-16 | @ CHN | 35 | L 4-6 | 10-25 | 6 | 37,972 | Clay Kirby | Ken Holtzman | Ken Holtzman | Clay Kirby | Phil Regan | 118 | 168 | -50 |
| 1971-05-17 | @ HOU | 36 | L 0-2 | 10-26 | 6 | 7,457 | Dave Roberts | Don Wilson | Don Wilson | Dave Roberts | | 118 | 170 | -52 |
| 1971-05-18 | @ HOU | 37 | L 2-3 | 10-27 | 6 | 8,015 | Steve Arlin | Ken Forsch | Fred Gladding | Bob Miller | | 120 | 173 | -53 |
| 1971-05-19 | @ HOU | 38 | W 2-1 | 11-27 | 6 | 8,816 | Tom Phoebus | Jack Billingham | Bob Miller | Fred Gladding | | 122 | 174 | -52 |
| 1971-05-20 | @ HOU | 39 | W 4-2 | 12-27 | 6 | 7,162 | Clay Kirby | Wade Blasingame | Clay Kirby | Wade Blasingame | Al Severinsen | 126 | 176 | -50 |
| 1971-05-21 | @ SLN | 40 | L 8-15 | 12-28 | 6 | 27,298 | Danny Coombs | Jerry Reuss | Don Shaw | Bill Laxton | Moe Drabowsky | 134 | 191 | -57 |
| 1971-05-22 | @ SLN | 41 | L 4-7 | 12-29 | 6 | 10,776 | Dave Roberts | Chris Zachary | Chris Zachary | Dave Roberts | Don Shaw | 138 | 198 | -60 |
| 1971-05-23 | @ SLN | 42 | L 1-6 | 12-30 | 6 | 9,475 | Steve Arlin | Reggie Cleveland | Reggie Cleveland | Steve Arlin | | 139 | 204 | -65 |
| 1971-05-24 | @ SLN | 43 | W 12-3 | 13-30 | 6 | 8,609 | Tom Phoebus | Bob Gibson | Tom Phoebus | Bob Gibson | Bob Miller | 151 | 207 | -56 |
| 1971-05-25 | vs HOU | 44 | L 2-3 | 13-31 | 6 | 2,863 | Clay Kirby | Jack Billingham | Jack Billingham | Clay Kirby | Fred Gladding | 153 | 210 | -57 |
| 1971-05-26 | vs HOU | 45 | L 1-2 | 13-33 | 6 | 0 | Al Santorini | Wade Blasingame | Wade Blasingame | Dave Roberts | George Culver | 154 | 212 | -58 |
| 1971-05-26 | vs HOU | 46 | L 0-8 | 13-33 | 6 | 4,221 | Al Santorini | Larry Dierker | Larry Dierker | Al Santorini | | 154 | 220 | -66 |
| 1971-05-29 | vs NYN | 47 | L 1-5 | 13-35 | 6 | 0 | Steve Arlin | Tom Seaver | Tom Seaver | Steve Arlin | | 155 | 225 | -70 |
| 1971-05-29 | vs NYN | 48 | L 1-2 | 13-35 | 6 | 11,324 | Tom Phoebus | Nolan Ryan | Nolan Ryan | Tom Phoebus | | 156 | 227 | -71 |
| 1971-05-30 | vs NYN | 49 | W 4-2 | 14-35 | 6 | 7,121 | Clay Kirby | Ray Sadecki | Clay Kirby | Ray Sadecki | | 160 | 229 | -69 |
| 1971-05-31 | vs PHI | 50 | L 1-3 | 15-36 | 6 | 0 | Dave Roberts | Jim Bunning | Jim Bunning | Al Severinsen | Bucky Brandon | 161 | 232 | -71 |
| 1971-05-31 | vs PHI | 51 | W 6-3 | 15-36 | 6 | 7,458 | Al Santorini | Barry Lersch | Bob Miller | Barry Lersch | | 167 | 235 | -68 |
| 1971-06-02 | vs PHI | 52 | W 6-0 | 16-36 | 6 | 2,425 | Steve Arlin | Rick Wise | Steve Arlin | Rick Wise | | 173 | 235 | -62 |
| 1971-06-04 | vs MON | 53 | L 1-3 | 16-37 | 6 | 6,447 | Tom Phoebus | Bill Stoneman | Bill Stoneman | Tom Phoebus | | 174 | 238 | -64 |
| 1971-06-05 | vs MON | 54 | L 1-2 | 16-38 | 6 | 2,748 | Clay Kirby | Steve Renko | Steve Renko | Clay Kirby | Mike Marshall | 175 | 240 | -65 |
| 1971-06-06 | vs MON | 55 | W 8-0 | 18-38 | 6 | 0 | Dave Roberts | Carl Morton | Dave Roberts | Carl Morton | | 183 | 240 | -57 |
| 1971-06-06 | vs MON | 56 | W 8-4 | 18-38 | 6 | 8,781 | Dick Kelley | John Strohmayer | Dick Kelley | John Strohmayer | Al Severinsen | 191 | 244 | -53 |
| 1971-06-08 | @ NYN | 57 | L 4-6 | 18-39 | 6 | 19,734 | Steve Arlin | Gary Gentry | Gary Gentry | Steve Arlin | Danny Frisella | 195 | 250 | -55 |
| 1971-06-09 | @ NYN | 58 | L 2-4 | 18-40 | 6 | 24,164 | Tom Phoebus | Tom Seaver | Tom Seaver | Al Severinsen | Tug McGraw | 197 | 254 | -57 |
| 1971-06-10 | @ NYN | 59 | W 4-2 | 19-40 | 6 | 23,153 | Clay Kirby | Nolan Ryan | Clay Kirby | Nolan Ryan | | 201 | 256 | -55 |
| 1971-06-11 | @ PHI | 60 | W 2-1 | 20-40 | 6 | 19,260 | Dave Roberts | Barry Lersch | Dave Roberts | Barry Lersch | | 203 | 257 | -54 |
| 1971-06-12 | @ PHI | 61 | L 0-3 | 20-41 | 6 | 17,039 | Steve Arlin | Jim Bunning | Jim Bunning | Steve Arlin | Bucky Brandon | 203 | 260 | -57 |
| 1971-06-13 | @ PHI | 62 | W 9-8 | 21-41 | 6 | 35,343 | Tom Phoebus | Ken Reynolds | Bob Miller | Bill Wilson | Dick Kelley | 212 | 268 | -56 |
| 1971-06-14 | @ MON | 63 | W 2-1 | 22-41 | 6 | 10,840 | Clay Kirby | Carl Morton | Clay Kirby | Carl Morton | Bob Miller | 214 | 269 | -55 |
| 1971-06-15 | @ MON | 64 | W 3-1 | 23-41 | 6 | 13,512 | Fred Norman | Jim Britton | Al Severinsen | Mike Marshall | Bob Miller | 217 | 270 | -53 |
| 1971-06-16 | @ MON | 65 | L 0-2 | 23-42 | 6 | 23,623 | Dave Roberts | Bill Stoneman | Bill Stoneman | Dave Roberts | | 217 | 272 | -55 |
| 1971-06-18 | @ SFN | 66 | L 3-7 | 23-44 | 6 | 0 | Steve Arlin | Juan Marichal | Juan Marichal | Steve Arlin | | 220 | 279 | -59 |
| 1971-06-18 | @ SFN | 67 | L 9-10 | 23-44 | 6 | 14,513 | Tom Phoebus | Frank Reberger | Jerry Johnson | Danny Coombs | | 229 | 289 | -60 |
| 1971-06-19 | @ SFN | 68 | L 4-7 | 23-45 | 6 | 9,255 | Clay Kirby | Gaylord Perry | Jerry Johnson | Bob Miller | | 233 | 296 | -63 |
| 1971-06-20 | @ SFN | 69 | L 2-6 | 23-47 | 6 | 0 | Fred Norman | Ron Bryant | Don McMahon | Fred Norman | Jerry Johnson | 235 | 302 | -67 |
| 1971-06-20 | @ SFN | 70 | L 0-2 | 23-47 | 6 | 21,891 | Dave Roberts | Steve Stone | Steve Stone | Dave Roberts | | 235 | 304 | -69 |
| 1971-06-22 | vs HOU | 71 | L 2-4 | 23-48 | 6 | 4,300 | Steve Arlin | Ken Forsch | Ken Forsch | Steve Arlin | Fred Gladding | 237 | 308 | -71 |
| 1971-06-23 | vs HOU | 72 | W 3-2 | 25-48 | 6 | 0 | Clay Kirby | Don Wilson | Bob Miller | Fred Gladding | | 240 | 310 | -70 |
| 1971-06-23 | vs HOU | 73 | W 4-3 | 25-48 | 6 | 5,936 | Tom Phoebus | Wade Blasingame | Bob Miller | George Culver | | 244 | 313 | -69 |
| 1971-06-25 | @ LAN | 74 | W 5-4 | 26-48 | 6 | 40,388 | Dave Roberts | Bob O'Brien | Dave Roberts | Pete Mikkelsen | Dick Kelley | 249 | 317 | -68 |
| 1971-06-26 | @ LAN | 75 | L 2-4 | 26-50 | 6 | 0 | Fred Norman | Claude Osteen | Claude Osteen | Fred Norman | Jim Brewer | 251 | 321 | -70 |
| 1971-06-26 | @ LAN | 76 | L 3-4 | 26-50 | 6 | 28,213 | Steve Arlin | Doyle Alexander | Jim Brewer | Danny Coombs | | 254 | 325 | -71 |
| 1971-06-27 | @ LAN | 77 | L 2-7 | 26-51 | 6 | 17,555 | Tom Phoebus | Don Sutton | Don Sutton | Tom Phoebus | | 256 | 332 | -76 |
| 1971-06-28 | vs SFN | 78 | W 6-2 | 27-51 | 6 | 9,763 | Clay Kirby | Juan Marichal | Clay Kirby | Juan Marichal | | 262 | 334 | -72 |
| 1971-06-29 | vs SFN | 79 | L 4-6 | 27-52 | 6 | 9,595 | Dave Roberts | John Cumberland | Don Carrithers | Dave Roberts | | 266 | 340 | -74 |
| 1971-06-30 | vs SFN | 80 | W 2-1 | 28-52 | 6 | 7,335 | Steve Arlin | Gaylord Perry | Steve Arlin | Gaylord Perry | | 268 | 341 | -73 |
| 1971-07-01 | vs LAN | 81 | L 1-2 | 28-53 | 6 | 5,555 | Fred Norman | Don Sutton | Don Sutton | Fred Norman | | 269 | 343 | -74 |
| 1971-07-02 | vs LAN | 82 | L 2-9 | 28-54 | 6 | 10,027 | Clay Kirby | Doyle Alexander | Doyle Alexander | Clay Kirby | | 271 | 352 | -81 |
| 1971-07-03 | vs LAN | 83 | L 0-1 | 28-55 | 6 | 39,105 | Dave Roberts | Al Downing | Al Downing | Dave Roberts | | 271 | 353 | -82 |
| 1971-07-04 | vs SLN | 84 | L 2-3 | 28-56 | 6 | 5,095 | Steve Arlin | Jerry Reuss | Jerry Reuss | Steve Arlin | Moe Drabowsky | 273 | 356 | -83 |
| 1971-07-05 | vs SLN | 85 | W 3-2 | 29-56 | 6 | 4,588 | Fred Norman | Reggie Cleveland | Bob Miller | Reggie Cleveland | | 276 | 358 | -82 |
| 1971-07-07 | vs SLN | 86 | W 4-1 | 30-56 | 6 | 7,456 | Clay Kirby | Bob Gibson | Clay Kirby | Bob Gibson | | 280 | 359 | -79 |
| 1971-07-09 | vs CHN | 87 | W 1-0 | 32-56 | 6 | 0 | Dave Roberts | Bill Hands | Dave Roberts | Bill Hands | Bob Miller | 281 | 359 | -78 |
| 1971-07-09 | vs CHN | 88 | W 7-2 | 32-56 | 6 | 12,465 | Steve Arlin | Joe Decker | Steve Arlin | Joe Decker | | 288 | 361 | -73 |
| 1971-07-10 | vs CHN | 89 | L 1-3 | 32-57 | 6 | 3,423 | Fred Norman | Fergie Jenkins | Fergie Jenkins | Fred Norman | | 289 | 364 | -75 |
| 1971-07-11 | vs CHN | 90 | L 0-2 | 33-58 | 6 | 0 | Tom Phoebus | Milt Pappas | Milt Pappas | Tom Phoebus | | 289 | 366 | -77 |
| 1971-07-11 | vs CHN | 91 | W 7-5 | 33-58 | 6 | 13,274 | Clay Kirby | Juan Pizarro | Clay Kirby | Juan Pizarro | Bob Miller | 296 | 371 | -75 |
| 1971-07-15 | @ PIT | 92 | L 3-4 | 33-59 | 6 | 17,405 | Dave Roberts | Steve Blass | Jim Nelson | Danny Coombs | | 299 | 375 | -76 |
| 1971-07-16 | @ PIT | 93 | L 1-2 | 33-60 | 6 | 33,736 | Steve Arlin | Bob Johnson | Bob Johnson | Steve Arlin | | 300 | 377 | -77 |
| 1971-07-17 | @ PIT | 94 | L 2-9 | 33-61 | 6 | 14,278 | Fred Norman | Dock Ellis | Dock Ellis | Fred Norman | | 302 | 386 | -84 |
| 1971-07-18 | @ CIN | 95 | L 0-3 | 33-62 | 6 | 25,144 | Tom Phoebus | Ross Grimsley | Ross Grimsley | Tom Phoebus | | 302 | 389 | -87 |
| 1971-07-19 | @ CIN | 96 | W 4-3 | 33-62 | 6 | 12,648 | Clay Kirby | Wayne Simpson | Bob Miller | Tony Cloninger | | 306 | 392 | -86 |
| 1971-07-20 | @ ATL | 97 | L 1-3 | 33-63 | 6 | 5,127 | Dave Roberts | Ron Reed | Ron Reed | Dave Roberts | | 307 | 395 | -88 |
| 1971-07-21 | @ ATL | 98 | L 7-8 | 33-65 | 6 | 0 | Steve Arlin | Phil Niekro | Cecil Upshaw | Al Severinsen | | 314 | 403 | -89 |
| 1971-07-21 | @ ATL | 99 | L 0-1 | 33-65 | 6 | 11,585 | Fred Norman | Pat Jarvis | Pat Jarvis | Fred Norman | | 314 | 404 | -90 |
| 1971-07-22 | @ ATL | 100 | L 0-1 | 33-66 | 6 | 7,533 | Tom Phoebus | Tom Kelley | Tom Kelley | Tom Phoebus | Bob Priddy | 314 | 405 | -91 |
| 1971-07-23 | vs PIT | 101 | L 0-4 | 33-67 | 6 | 10,133 | Clay Kirby | Bruce Kison | Bruce Kison | Clay Kirby | | 314 | 409 | -95 |
| 1971-07-24 | vs PIT | 102 | L 3-4 | 33-68 | 6 | 3,114 | Dave Roberts | Steve Blass | Steve Blass | Dave Roberts | Dave Giusti | 317 | 413 | -96 |
| 1971-07-25 | vs PIT | 103 | W 2-1 | 35-68 | 6 | 0 | Fred Norman | Bob Johnson | Fred Norman | Bob Johnson | | 319 | 414 | -95 |
| 1971-07-25 | vs PIT | 104 | W 2-0 | 35-68 | 6 | 10,342 | Steve Arlin | Bob Moose | Steve Arlin | Bob Moose | | 321 | 414 | -93 |
| 1971-07-27 | vs CIN | 105 | L 3-11 | 35-69 | 6 | 5,753 | Tom Phoebus | Jim McGlothlin | Jim McGlothlin | Tom Phoebus | Wayne Granger | 324 | 425 | -101 |
| 1971-07-28 | vs CIN | 106 | W 4-2 | 36-69 | 6 | 5,797 | Clay Kirby | Ross Grimsley | Clay Kirby | Ross Grimsley | | 328 | 427 | -99 |
| 1971-07-29 | vs CIN | 107 | W 5-1 | 37-69 | 6 | 5,862 | Dave Roberts | Wayne Simpson | Dave Roberts | Wayne Simpson | | 333 | 428 | -95 |
| 1971-07-30 | vs ATL | 108 | L 1-3 | 37-69 | 6 | 6,669 | Steve Arlin | Phil Niekro | Bob Priddy | Bob Miller | Cecil Upshaw | 334 | 431 | -97 |
| 1971-07-31 | vs ATL | 109 | L 2-3 | 37-69 | 6 | 6,228 | Fred Norman | Tom Kelley | Tom Kelley | Fred Norman | Jim Nash | 336 | 434 | -98 |
| 1971-08-01 | vs ATL | 110 | W 2-0 | 37-69 | 6 | 4,327 | Clay Kirby | Pat Jarvis | Clay Kirby | Pat Jarvis | | 338 | 434 | -96 |
| 1971-08-02 | @ SLN | 111 | L 1-3 | 37-70 | 6 | 13,591 | Dave Roberts | Steve Carlton | Steve Carlton | Dave Roberts | | 339 | 437 | -98 |
| 1971-08-03 | @ SLN | 112 | W 6-1 | 38-70 | 6 | 14,246 | Steve Arlin | Jerry Reuss | Steve Arlin | Jerry Reuss | | 345 | 438 | -93 |
| 1971-08-04 | @ CHN | 113 | L 0-3 | 38-71 | 6 | 31,653 | Fred Norman | Milt Pappas | Milt Pappas | Fred Norman | | 345 | 441 | -96 |
| 1971-08-05 | @ CHN | 114 | L 0-3 | 38-72 | 6 | 25,233 | Clay Kirby | Juan Pizarro | Juan Pizarro | Clay Kirby | | 345 | 444 | -99 |
| 1971-08-06 | @ HOU | 115 | W 4-3 | 39-72 | 6 | 21,915 | Dave Roberts | Wade Blasingame | Dave Roberts | Jim Ray | Bob Miller | 349 | 447 | -98 |
| 1971-08-07 | @ HOU | 116 | L 3-5 | 39-73 | 6 | 23,334 | Steve Arlin | Don Wilson | Don Wilson | Steve Arlin | George Culver | 352 | 452 | -100 |
| 1971-08-08 | @ HOU | 117 | W 3-2 | 40-73 | 6 | 19,757 | Fred Norman | Larry Dierker | Fred Norman | Denny Lemaster | Bob Miller | 355 | 454 | -99 |
| 1971-08-10 | vs NYN | 118 | L 4-6 | 40-74 | 6 | 6,542 | Clay Kirby | Gary Gentry | Tug McGraw | Clay Kirby | | 359 | 460 | -101 |
| 1971-08-11 | vs NYN | 119 | W 1-0 | 41-74 | 6 | 10,828 | Dave Roberts | Tom Seaver | Dave Roberts | Danny Frisella | | 360 | 460 | -100 |
| 1971-08-12 | vs NYN | 120 | W 3-0 | 42-74 | 6 | 4,839 | Steve Arlin | Nolan Ryan | Steve Arlin | Nolan Ryan | | 363 | 460 | -97 |
| 1971-08-13 | vs PHI | 121 | L 2-5 | 42-75 | 6 | 4,006 | Fred Norman | Rick Wise | Rick Wise | Fred Norman | | 365 | 465 | -100 |
| 1971-08-15 | vs PHI | 122 | W 5-4 | 44-75 | 6 | 0 | Clay Kirby | Woodie Fryman | Dick Kelley | Bill Wilson | | 370 | 469 | -99 |
| 1971-08-15 | vs PHI | 123 | W 3-2 | 44-75 | 6 | 8,108 | Dave Roberts | Barry Lersch | Dave Roberts | Barry Lersch | | 373 | 471 | -98 |
| 1971-08-17 | vs MON | 124 | L 0-11 | 44-76 | 6 | 4,248 | Steve Arlin | Ernie McAnally | Ernie McAnally | Steve Arlin | | 373 | 482 | -109 |
| 1971-08-18 | vs MON | 125 | L 3-4 | 44-76 | 6 | 4,848 | Fred Norman | Carl Morton | Carl Morton | Fred Norman | Mike Marshall | 376 | 486 | -110 |
| 1971-08-20 | @ NYN | 126 | W 3-2 | 45-76 | 6 | 28,863 | Clay Kirby | Jerry Koosman | Clay Kirby | Jerry Koosman | Al Severinsen | 379 | 488 | -109 |
| 1971-08-21 | @ NYN | 127 | L 1-2 | 45-77 | 6 | 26,584 | Dave Roberts | Tom Seaver | Tom Seaver | Dave Roberts | | 380 | 490 | -110 |
| 1971-08-22 | @ NYN | 128 | L 2-4 | 45-78 | 6 | 24,834 | Steve Arlin | Gary Gentry | Gary Gentry | Steve Arlin | Tug McGraw | 382 | 494 | -112 |
| 1971-08-23 | @ PHI | 129 | L 1-3 | 45-79 | 6 | 10,655 | Fred Norman | Rick Wise | Rick Wise | Fred Norman | | 383 | 497 | -114 |
| 1971-08-24 | @ PHI | 130 | W 2-0 | 46-79 | 6 | 10,688 | Ed Acosta | Barry Lersch | Ed Acosta | Barry Lersch | | 385 | 497 | -112 |
| 1971-08-25 | @ PHI | 131 | W 7-0 | 47-79 | 6 | 10,696 | Clay Kirby | Bill Champion | Clay Kirby | Bill Champion | | 392 | 497 | -105 |
| 1971-08-29 | @ MON | 132 | L 1-6 | 48-80 | 6 | 0 | Dave Roberts | Ernie McAnally | Ernie McAnally | Dave Roberts | | 393 | 503 | -110 |
| 1971-08-29 | @ MON | 133 | W 13-3 | 48-80 | 6 | 27,383 | Steve Arlin | Bill Stoneman | Steve Arlin | Bill Stoneman | | 406 | 506 | -100 |
| 1971-08-30 | @ CIN | 134 | L 1-2 | 49-81 | 6 | 0 | Ed Acosta | Jim McGlothlin | Joe Gibbon | Al Severinsen | Wayne Granger | 407 | 508 | -101 |
| 1971-08-30 | @ CIN | 135 | W 4-3 | 49-81 | 6 | 18,044 | Clay Kirby | Ross Grimsley | Clay Kirby | Wayne Granger | | 411 | 511 | -100 |
| 1971-08-31 | @ CIN | 136 | L 1-2 | 49-82 | 6 | 12,859 | Fred Norman | Wayne Simpson | Wayne Granger | Al Severinsen | | 412 | 513 | -101 |
| 1971-09-01 | @ CIN | 137 | W 3-1 | 50-82 | 6 | 8,363 | Dave Roberts | Gary Nolan | Dave Roberts | Gary Nolan | | 415 | 514 | -99 |
| 1971-09-03 | vs ATL | 138 | W 3-2 | 51-82 | 6 | 4,169 | Steve Arlin | Phil Niekro | Steve Arlin | Phil Niekro | | 418 | 516 | -98 |
| 1971-09-04 | vs ATL | 139 | L 7-11 | 51-83 | 6 | 4,498 | Clay Kirby | Pat Jarvis | Jim Nash | Clay Kirby | | 425 | 527 | -102 |
| 1971-09-05 | vs ATL | 140 | L 2-5 | 51-84 | 6 | 4,339 | Ed Acosta | Tom Kelley | Tom Kelley | Ed Acosta | Phil Niekro | 427 | 532 | -105 |
| 1971-09-06 | vs CIN | 141 | L 0-1 | 51-85 | 6 | 7,557 | Dave Roberts | Wayne Simpson | Wayne Simpson | Dave Roberts | Clay Carroll | 427 | 533 | -106 |
| 1971-09-07 | vs CIN | 142 | W 8-7 | 52-85 | 6 | 2,795 | Steve Arlin | Gary Nolan | Mike Caldwell | Clay Carroll | | 435 | 540 | -105 |
| 1971-09-08 | vs CIN | 143 | L 1-4 | 52-85 | 6 | 4,702 | Clay Kirby | Don Gullett | Don Gullett | Clay Kirby | Joe Gibbon | 436 | 544 | -108 |
| 1971-09-09 | vs LAN | 144 | L 2-3 | 52-86 | 6 | 7,627 | Fred Norman | Al Downing | Al Downing | Fred Norman | Hoyt Wilhelm | 438 | 547 | -109 |
| 1971-09-10 | vs LAN | 145 | L 2-6 | 52-87 | 6 | 13,367 | Dave Roberts | Don Sutton | Jim Brewer | Ed Acosta | | 440 | 553 | -113 |
| 1971-09-12 | vs LAN | 146 | L 3-6 | 52-88 | 6 | 6,950 | Steve Arlin | Claude Osteen | Joe Moeller | Steve Arlin | Hoyt Wilhelm | 443 | 559 | -116 |
| 1971-09-13 | @ HOU | 147 | L 2-3 | 52-89 | 6 | 7,476 | Clay Kirby | Ken Forsch | Jim Ray | Clay Kirby | | 445 | 562 | -117 |
| 1971-09-14 | @ HOU | 148 | W 5-2 | 53-89 | 6 | 5,986 | Ed Acosta | Wade Blasingame | Ed Acosta | Wade Blasingame | | 450 | 564 | -114 |
| 1971-09-15 | @ LAN | 149 | W 2-1 | 54-89 | 6 | 19,004 | Dave Roberts | Don Sutton | Dave Roberts | Don Sutton | | 452 | 565 | -113 |
| 1971-09-16 | @ LAN | 150 | W 4-1 | 55-89 | 6 | 19,755 | Fred Norman | Doyle Alexander | Fred Norman | Doyle Alexander | | 456 | 566 | -110 |
| 1971-09-17 | @ SFN | 151 | L 5-7 | 55-90 | 6 | 9,331 | Steve Arlin | Juan Marichal | Juan Marichal | Steve Arlin | Jerry Johnson | 461 | 573 | -112 |
| 1971-09-18 | @ SFN | 152 | W 2-1 | 56-90 | 6 | 10,093 | Clay Kirby | Gaylord Perry | Clay Kirby | Gaylord Perry | | 463 | 574 | -111 |
| 1971-09-19 | @ SFN | 153 | L 1-4 | 56-91 | 6 | 31,135 | Dave Roberts | Don Carrithers | Don Carrithers | Dave Roberts | Jerry Johnson | 464 | 578 | -114 |
| 1971-09-21 | @ ATL | 154 | L 2-5 | 56-92 | 6 | 3,504 | Jay Franklin | Tom Kelley | Tom Kelley | Jay Franklin | | 466 | 583 | -117 |
| 1971-09-22 | @ ATL | 155 | W 7-3 | 57-92 | 6 | 4,474 | Ed Acosta | Pat Jarvis | Ed Acosta | Pat Jarvis | | 473 | 586 | -113 |
| 1971-09-24 | vs HOU | 156 | L 1-2 | 57-92 | 6 | 0 | Clay Kirby | Ken Forsch | Bill Greif | Gary Ross | Skip Guinn | 474 | 588 | -114 |
| 1971-09-24 | vs HOU | 157 | W 5-4 | 57-92 | 6 | 6,339 | Dave Roberts | Scipio Spinks | Dave Roberts | Fred Gladding | | 479 | 592 | -113 |
| 1971-09-25 | vs HOU | 158 | L 1-5 | 57-92 | 6 | 2,718 | Steve Arlin | Jack Billingham | Jack Billingham | Steve Arlin | | 480 | 597 | -117 |
| 1971-09-28 | vs SFN | 159 | L 1-7 | 57-93 | 6 | 13,242 | Ed Acosta | Gaylord Perry | Gaylord Perry | Ed Acosta | | 481 | 604 | -123 |
| 1971-09-29 | vs SFN | 160 | W 4-1 | 58-93 | 6 | 17,134 | Clay Kirby | John Cumberland | Clay Kirby | Jerry Johnson | | 485 | 605 | -120 |
| 1971-09-30 | vs SFN | 161 | L 1-5 | 58-94 | 6 | 34,861 | Dave Roberts | Juan Marichal | Juan Marichal | Dave Roberts | | 486 | 610 | -124 |