| 1979 regular season game log: 98–64 (Home: 48–33; Away: 50–31)[7] |
April: 7–11 (Home: 5–6; Away: 2–5)
| # | Date | Time (ET) | Opponent | Score | Win | Loss | Save | Time of Game | Attendance | Record | Box/ Streak |
| 1 | | 12:35 p.m. EST | Expos | 2–3 (10) | Sosa (1–0) | Tekulve (0–1) | — | 3:02 | 36,141 | 0–1 | L1 |
| 2 | | 2:15 p.m. EST | Expos | 7–6 | Jackson (1–0) | Sosa (1–1) | — | 3:00 | 8,700 | 1–1 | W1 |
| 3 | | 1:05 p.m. EST | Expos | 4–5 | May (1–0) | Romo (0–1) | Palmer (1) | 3:03 | 8,680 | 1–2 | L1 |
| 4 | April 10 | | @ Phillies | 3–7 | Ruthven | Romo (0–2) | — | | 48,235 | 1–3 | L2 |
| 5 | April 11 | | @ Phillies | 4–5 | Carlton | Blyleven (0–1) | — | | 26,281 | 1–4 | L3 |
| 6 | April 12 | | Cardinals | 3–1 | Robinson (1–0) | Denny | — | | 3,986 | 2–4 | W1 |
| 7 | April 13 | | Cardinals | 7–6 | Bibby (1–0) | Schultz | Jackson (1) | | 4,395 | 3–4 | W2 |
| 8 | April 14 | | Cardinals | 7–4 | Whitson (1–0) | Forsch | Jackson (2) | | 10,940 | 4–4 | W3 |
| 9 | April 15 | | Cardinals | 4–9 (10) | Littell | Tekulve (0–2) | — | | 3,012 | 4–5 | L1 |
| 10 | April 17 | | Phillies | 2–13 | Carlton | Blyleven (0–2) | — | | 7,739 | 4–6 | L2 |
| 11 | April 18 | | Phillies | 2–3 | Lerch | Robinson (1–1) | — | | 12,195 | 4–7 | L3 |
| 12 | | 8:35 p.m. EST | @ Astros | 4–5 (10) | Sambito (1–0) | Bibby (1–1) | — | 3:16 | 19,834 | 4–8 | L4 |
| 13 | | 8:35 p.m. EST | @ Astros | 4–5 (10) | Andújar (2–0) | Tekulve (0–3) | — | 3:23 | 48,977 | 4–9 | L5 |
| 14 | | 3:05 p.m. EST | @ Astros | 2–3 | Andújar (3–0) | Candelaria (0–1) | Sambito (2) | 2:27 | 22,403 | 4–10 | W1 |
| 15 | | 8:05 p.m. EST | @ Reds | 9–2 | Robinson (2–1) | Pastore (0–2) | — | 2:30 | 18,372 | 5–10 | W2 |
| 16 | | 12:35 p.m. EST | @ Reds | 3–2 (11) | Tekulve (1–3) | Tomlin (0–1) | — | 3:05 | 20,155 | 6–10 | W3 |
| 17 | | 7:35 p.m. EST | Astros | 8–9 (11) | Riccelli (1–0) | Whitson (1–1) | — | 3:30 | 5,767 | 6–11 | L1 |
| — | | | Astros | Postponed (Rain) (Makeup date: July 19) |
| 18 | | 1:05 p.m. EDT | Astros | 10–5 | Kison (1–0) | Niekro (1–2) | Jackson (3) | 3:07 | 7,598 | 7–11 | W1 |
|
May: 16–10 (Home: 7–4; Away: 9–6)
| # | Date | Time (ET) | Opponent | Score | Win | Loss | Save | Time of Game | Attendance | Record | Box/ Streak |
| 19 | | 7:35 p.m. EDT | Braves | 2–5 | Niekro (3–4) | Tekulve (1–4)</span | — | 2:37 | 5,122 | 7–12 | L1 |
| 20 | | 7:35 p.m. EDT | Braves | 10–2 | Candelaria (1–1) | M. Mahler (0–2) | — | 2:21 | 4,840 | 8–12 | W1 |
| — | | | Braves | Postponed (Rain) (Makeup date: July 23) |
| 21 | May 4 | | @ Cardinals | 3–4 | Sykes | Robinson (2–2) | Schultz | | 13,525 | 8–13 | L1 |
| 22 | May 5 | | @ Cardinals | 6–5 | Jackson (2–0) | Vuckovich | Whitson (1) | | 17,440 | 9–13 | W1 |
| 23 | May 6 | | @ Cardinals | 2–4 | Martinez | Kison (1–1) | Knowles | | 20,966 | 9–14 | L1 |
| 24 | | 7:35 p.m. EDT | @ Braves | 4–2 | Candelaria (2–1) | M. Mahler (0–3) | Tekulve (1) | 2:54 | 8,166 | 10–14 | W1 |
| 25 | | 7:35 p.m. EDT | @ Braves | 1–4 | Solomon (2–1) | Rhoden (0–1) | — | 2:57 | 5,741 | 10–15 | L1 |
| 26 | | 7:43 p.m. EDT | @ Braves | 17–9 | Bibby (2–1) | Garber (1–5) | Tekulve (2) | 3:42 | 6,855 | 11–15 | W1 |
| 27 | | 7:35 p.m. EDT | Reds | 4–8 | Tomlin (1–1) | Whitson (1–2) | Bair (6) | 2:48 | 14,115 | 11–16 | L1 |
| 28 | | 2:15 p.m. EDT | Reds | 3–2 | Bibby (3–1) | Pastore (1–3) | Jackson (4) | 2:55 | 18,745 | 12–16 | W1 |
| 29 | | 1:05 p.m. EDT | Reds | 3–7 | LaCoss (4–0) | Candelaria (2–2) | — | 2:46 | 10,253 | 12–17 | L1 |
| 30 | May 15 | | Mets | 0–3 | Swan | Robinson (2–3) | Lockwood | | 6,097 | 12–18 | L2 |
| 31 | May 16 | | Mets | 4–3 (13) | Romo (1–2) | Lockwood | — | | 7,621 | 13–18 | W1 |
| 32 | May 17 | | Mets | 6–5 | Tekulve (2–4) | Orosco | — | | 6,295 | 14–18 | W2 |
| 33 | May 18 | | @ Cubs | 9–5 | Candelaria (3–2) | Holtzman | — | | 12,578 | 15–18 | W3 |
| 34 | May 19 | | @ Cubs | 3–0 | Rooker (1–0) | Krukow | Jackson (5) | | 29,460 | 16–18 | W4 |
| 35 | May 20 | | @ Cubs | 6–5 | Robinson (3–3) | McGlothen | Tekulve (3) | | 30,998 | 17–18 | W5 |
| 36 | | 1:35 p.m. EDT | @ Expos | 4–2 | Blyleven (1–2) | Sanderson (2–3) | Tekulve (4) | 2:58 | 25,154 | 18–18 | W6 |
| 37 | | 1:35 p.m. EDT | @ Expos | 3–6 | Grimsley (4–2) | Whitson (1–3) | Fryman (2) | 2:42 | 15,227 | 18–19 | L1 |
| 38 | | 7:35 p.m. EDT | @ Expos | 0–3 | Rogers (4–2) | Candelaria (3–3) | — | 2:18 | 7,041 | 18–20 | L2 |
| 39 | May 25 | | @ Mets | 3–3 (11) | | | — | | 6,611 | 18–20 | |
| 40 | May 26 | | @ Mets | 8–10 | Lockwood | Tekulve (2–5) | — | | 20,272 | 18–21 | L3 |
| 41 | May 27 | | @ Mets | 2–1 | Jackson (3–0) | Murray | — | | 25,545 | 19–21 | W1 |
| 42 | May 28 | | @ Mets | 6–1 | Candelaria (4–3) | Falcone | Jackson (6) | | 10,619 | 20–21 | W2 |
| 43 | May 29 | | Cubs | 8–0 | Robinson (4–3) | Holtzman | — | | 7,196 | 21–21 | W3 |
| 44 | May 30 | | Cubs | 9–2 | Rooker (2–0) | McGlothen | — | | 7,107 | 22–21 | W4 |
| 45 | May 31 | | Cubs | 4–3 (10) | Kison (2–1) | Sutter | — | | 6,438 | 23–21 | W5 |
|
June: 14–13 (Home: 7–9; Away: 7–4)
| # | Date | Time (ET) | Opponent | Score | Win | Loss | Save | Time of Game | Attendance | Record | Box/ Streak |
| 46 | June 1 | | Padres | 9–8 | Tekulve (3–5) | Shirley | — | | 12,928 | 24–21 | W6 |
| 47 | June 2 | | Padres | 1–3 | Perry | Candelaria (4–4) | — | | 20,977 | 24–22 | L1 |
| 48 | June 3 | | Padres | 7–0 | Kison (3–1) | Owchinko | — | | 13,370 | 25–22 | W1 |
| 49 | June 4 | | Dodgers | 2–4 | Sutcliffe | Rooker (2–1) | — | | 14,727 | 25–23 | L1 |
| 50 | June 5 | | Dodgers | 3–1 | Blyleven (2–2) | Sutton | Tekulve (5) | | 11,088 | 26–23 | W1 |
| 51 | June 6 | | Dodgers | 5–4 | Romo (2–2) | Welch | Tekulve (6) | | 16,666 | 27–23 | W2 |
| 52 | June 8 | | Giants | 3–2 | Romo (3–2) | Curtis | Jackson (7) | | 18,227 | 28–23 | W3 |
| 53 | June 9 | | Giants | 2–6 | Blue | Kison (3–2) | — | | 25,814 | 28–24 | L1 |
| 54 | June 10 | | Giants | 4–7 | Lavelle | Romo (3–3) | — | | 25,536 | 28–25 | L2 |
| 55 | June 12 | | @ Padres | 3–6 | Perry | Candelaria (4–5) | — | | 23,759 | 28–26 | L3 |
| 56 | June 13 | | @ Padres | 2–3 | Owchinko | Kison (3–3) | Fingers | | 17,845 | 28–27 | L4 |
| 57 | June 14 | | @ Padres | 1–2 (14) | D'Acquisto | Candelaria (4–6) | — | | 15,444 | 28–28 | L5 |
| 58 | June 15 | | @ Dodgers | 6–2 | Blyleven (3–2) | Sutton | Tekulve (7) | | 50,299 | 29–28 | W1 |
| 59 | June 16 | | @ Dodgers | 6–3 | Robinson (5–3) | Welch | — | | 49,448 | 30–28 | W2 |
| 60 | June 17 | | @ Dodgers | 5–1 | Whitson (2–3) | Reuss | Tekulve (8) | | 45,835 | 31–28 | W3 |
| 61 | June 19 | | @ Giants | 9–4 | Candelaria (5–6) | Montefusco | Romo (1) | | 39,861 | 32–28 | W4 |
| 62 | June 20 | | @ Giants | 8–5 | Jackson (4–0) | Lavelle | Tekulve (9) | | 19,637 | 33–28 | W5 |
| 63 | June 22 | | Cubs | 7–2 | Blyleven (4–2) | Holtzman | — | | 21,006 | 34–28 | W6 |
| 64 | June 23 | | Cubs | 3–4 | Krukow | Robinson (5–4) | Sutter | | 18,513 | 34–29 | L1 |
| 65 | June 24 | | Cubs | 0–5 | Reuschel | Kison (3–4) | — | | 43,402 | 34–30 | L2 |
| 66 | June 25 | | @ Mets | 8–1 | Candelaria (6–6) | Swan | | — | | 35–30 | W1 |
| 67 | June 25 | | @ Mets | 0–4 | Falcone | Rooker (2–2) | — | | 14,666 | 35–31 | L1 |
| 68 | June 26 | | @ Mets | 2–1 | Blyleven (5–2) | Hausman | Jackson (8) | | 11,903 | 36–31 | W1 |
| 69 | June 27 | | Mets | 9–12 | Twitchell | Jackson (4–1) | — | | 13,168 | 36–32 | L1 |
| 70 | June 28 | | Mets | 2–3 | Allen | Bibby (3–2) | Glynn | | 10,137 | 36–33 | L2 |
| 71 | | 7:35 p.m. EDT | Expos | 6–5 | Kison (4–4) | Lee (7–5) | Tekulve (10) | 2:45 | 35,677 | 37–33 | W1 |
| 72 | | 2:15 p.m. EDT | Expos | 3–5 | Sanderson (5–4) | Blyleven (5–3) | Fryman (5) | 2:38 | 13,865 | 37–34 | L1 |
|
July: 20–11 (Home: 8–5; Away: 12–6)
| # | Date | Time (ET) | Opponent | Score | Win | Loss | Save | Time of Game | Attendance | Record | Box/ Streak |
| — | (1) | | Expos | Postponed (Rain) (Makeup date: September 24) |
| — | (2) | | Expos | Postponed (Rain) (Makeup date: September 24) |
| 73 | July 2 | | @ Cardinals | 5–4 | Romo (4–3) | Knowles | Jackson (9) | | 18,042 | 38–34 | W1 |
| 74 | July 3 | | @ Cardinals | 4–1 | Candelaria (7–6) | Forsch | Romo (2) | | 17,130 | 39–34 | W2 |
| 75 | July 4 | | @ Cardinals | 6–4 | Blyleven (6–3) | Vuckovich | Jackson (10) | | 14,766 | 40–34 | W3 |
| 76 | July 5 | | @ Cardinals | 0–2 | Fulgham | Rooker (2–3) | — | | 16,626 | 40–35 | L1 |
| 77 | | 8:05 p.m. EDT | @ Reds | 1–2 | Bair (5–4) | Jackson (4–2) | — | 2:20 | 32,264 | 40–36 | L2 |
| 78 | | 5:35 p.m. EDT | @ Reds | 2–6 | Moskau (5–3) | Robinson (5–5) | — | 2:55 | 36,300 | 40–37 | L3 |
| 79 | (1) | 1:05 p.m. EDT | @ Reds | 2–4 | Norman (5–7) | Candelaria (7–7) | — | 2:04 | — | 40–38 | L4 |
| 80 | (2) | 4:00 p.m. EDT | @ Reds | 2–1 | Jackson (5–2) | Tomlin (2–2) | Tekulve (11) | 2:15 | 43,099 | 41–38 | W1 |
| 81 | | 8:35 p.m. EDT | @ Astros | 4–3 | Bibby (4–2) | Andújar (10–5) | Tekulve (12) | 3:09 | 31,341 | 42–38 | W2 |
| 82 | | 8:35 p.m. EDT | @ Astros | 5–1 | Kison (5–4) | Richard (7–9) | — | 2:10 | 25,330 | 43–38 | W3 |
| 83 | | 8:35 p.m. EDT | @ Astros | 5–3 | Blyleven (7–3) | Niekro (13–4) | Tekulve (13) | 2:44 | 22,956 | 44–38 | W4 |
| 84 | | 7:39 p.m. EDT | @ Braves | 4–13 | Niekro (12–11) | Rooker (2–4) | — | 2:16 | 17,018 | 44–39 | L1 |
| 85 | | 7:39 p.m. EDT | @ Braves | 5–1 | Candelaria (8–7) | Matula (6–6) | — | 2:13 | 25,083 | 45–39 | W1 |
| 86 | | 7:00 p.m. EDT | @ Braves | 7–3 | Bibby (5–2) | Solomon (2–1) | — | 2:45 | 11,304 | 46–39 | W2 |
| 50th All-Star Game in Seattle, Washington |
| 87 | (1) | 6:05 p.m. EDT | Astros | 9–5 | Roberts (1–0) | Forsch (5–6) | — | 2:41 | — | 47–39 | W3 |
| 88 | (2) | 9:21 p.m. EDT | Astros | 4–2 | Kison (6–4) | Niekro (13–5) | Jackson (11) | 2:12 | 33,464 | 48–39 | W4 |
| 89 | | 7:35 p.m. EDT | Astros | 9–3 | Candelaria (9–7) | Richard (7–11) | — | 2:40 | 23,585 | 49–39 | W5 |
| 90 | | 2:15 p.m. EDT | Astros | 6–5 | Romo (5–3) | Sambito (4–3) | Tekulve (14) | 3:00 | 19,570 | 50–39 | W6 |
| 91 | (1) | 1:35 p.m. EDT | Braves | 5–4 | D. Robinson (6–5) | Solomon (4–7) | Tekulve (15) | 2:24 | — | 51–39 | W7 |
| 92 | (2) | 7:55 p.m. EDT | Braves | 3–2 | Bibby (6–2) | M. Mahler (2–9) | Tekulve (16) | 2:44 | 29,533 | 52–39 | W8 |
| 93 | (1) | 6:05 p.m. EDT | Braves | 7–1 | Blyleven (8–3) | Hanna (0–1) | — | 2:30 | — | 53–39 | W9 |
| 94 | (2) | 9:12 p.m. EDT | Braves | 0–8 | Niekro (14–11) | Rooker (2–5) | — | 2:13 | 27,148 | 53–40 | L1 |
| 95 | | 7:35 p.m. EDT | Reds | 5–6 | Norman (7–8) | Kison (6–5) | Bair (14) | 3:16 | 19,517 | 53–41 | L2 |
| 96 | | 7:35 p.m. EDT | Reds | 5–6 (10) | Bair (6–5) | Tekulve (3–6) | — | 2:55 | 17,296 | 53–42 | L3 |
| 97 | | 7:35 p.m. EDT | Reds | 7–9 | Soto (1–2) | Roberts (1–1) | Hume (3) | 2:51 | 20,339 | 53–43 | L4 |
| 98 | (1) | 6:05 p.m. EDT | @ Expos | 5–4 | Tekulve (4–6) | Sosa (5–6) | Romo (3) | 2:48 | — | 54–43 | W1 |
| 99 | (2) | 9:28 p.m. EDT | @ Expos | 9–1 | Blyleven (9–3) | Sanderson (6–6) | — | 2:46 | 59,260 | 55–43 | W2 |
| 100 | | 7:35 p.m. EDT | @ Expos | 5–3 | Bibby (7–2) | Schatzeder (5–4) | Tekulve (17) | 2:33 | 38,661 | 56–43 | W3 |
| 101 | | 1:35 p.m. EDT | @ Expos | 3–5 | Rogers (10–6) | Kison (6–6) | — | 2:22 | 35,245 | 56–44 | L1 |
| 102 | July 30 | | Mets | 8–5 | Jackson (6–2) | Bernard | Tekulve (18) | | 11,837 | 57–44 | W1 |
| 103 | July 31 | | Mets | 1–2 | Twitchell | Blyleven (9–4) | Glynn | | 10,739 | 57–45 | L1 |
|
August: 21–9 (Home: 12–4; Away: 9–5)
| # | Date | Time (ET) | Opponent | Score | Win | Loss | Save | Time of Game | Attendance | Record | Box/ Streak |
| 104 | August 1 | | Cardinals | 4–3 | Romo (6–3) | Forsch | Tekulve (19) | | 16,124 | 58–45 | W1 |
| 105 | August 2 | | Cardinals | 4–5 | Frazier | Jackson (6–3) | Knowles | | 25,163 | 58–46 | L1 |
| 106 | August 3 | | Phillies | 6–3 | Romo (7–3) | McGraw | — | | | 59–46 | W1 |
| 107 | August 3 | | Phillies | 5–1 | Bibby (8–2) | Christenson | — | | 45,309 | 60–46 | W2 |
| 108 | August 4 | | Phillies | 4–0 | Candelaria (10–7) | Espinosa | — | | 34,754 | 61–46 | W3 |
| 109 | August 5 | | Phillies | 12–8 | Tekulve (5–6) | Eastwick | — | | | 62–46 | W4 |
| 110 | August 5 | | Phillies | 5–2 | Romo (8–3) | Noles | Tekulve (20) | | 46,006 | 63–46 | W5 |
| 111 | August 7 | | @ Cubs | 2–15 | Reuschel | Rooker (2–6) | — | | 34,641 | 63–47 | L1 |
| 112 | August 8 | | @ Cubs | 5–2 (10) | Tekulve (6–6) | Tidrow | — | | 34,255 | 64–47 | W1 |
| 113 | August 9 | | @ Cubs | 3–11 | Lamp | Candelaria (10–8) | — | | 29,645 | 64–48 | L1 |
| 114 | August 10 | | @ Phillies | 3–4 (12) | Eastwick | Jackson (6–4) | | — | | 64–49 | L2 |
| 115 | August 10 | | @ Phillies | 3–2 | Kison (7–6) | Lerch | Tekulve (21) | | 63,346 | 65–49 | W1 |
| 116 | August 11 | | @ Phillies | 14–11 | Romo (9–3) | Eastwick | Tekulve (22) | | 51,118 | 66–49 | W2 |
| 117 | August 13 | | @ Phillies | 9–1 | Bibby (9–2) | Christenson | — | | 43,111 | 67–49 | W3 |
| 118 | August 14 | | Padres | 7–1 | Candelaria (11–8) | D'Acquisto | — | | 23,210 | 68–49 | W4 |
| 119 | August 15 | | Padres | 5–1 | Blyleven (10–4) | Jones | — | | 14,219 | 69–49 | W5 |
| 120 | August 16 | | Padres | 5–4 | Kison (8–6) | Perry | Romo (4) | | 14,201 | 70–49 | W6 |
| 121 | August 17 | | Dodgers | 6–7 | Patterson | Bibby (9–3) | Castillo | | 22,416 | 70–50 | L1 |
| 122 | August 18 | | Dodgers | 1–5 | Reuss | Robinson (6–6) | — | | 40,238 | 70–51 | L2 |
| 123 | August 19 | | Dodgers | 2–0 | Tekulve (7–6) | Hooton | — | | 28,382 | 71–51 | W1 |
| 124 | August 20 | | Giants | 6–5 | Romo (10–3) | Lavelle | Tekulve (23) | | 18,714 | 72–51 | W2 |
| 125 | August 21 | | Giants | 1–6 | Knepper | Kison (8–7) | — | | 20,999 | 72–52 | L1 |
| 126 | August 22 | | Giants | 8–6 | Tekulve (8–6) | Lavelle | — | | 19,768 | 73–52 | W1 |
| 127 | August 24 | | @ Padres | 2–3 | Jones | Romo (10–4) | Lee | | 16,890 | 73–53 | L1 |
| 128 | August 25 | | @ Padres | 4–3 (19) | Roberts (2–1) | D'Acquisto | — | | 14,607 | 74–53 | W1 |
| 129 | August 26 | | @ Padres | 9–2 | Kison (9–7) | Shirley | — | | 13,006 | 75–53 | W2 |
| 130 | August 27 | | @ Dodgers | 2–4 | Brett | Tekulve (8–7) | — | | 35,705 | 75–54 | L1 |
| 131 | August 28 | | @ Dodgers | 4–1 | Candelaria (12–8) | Hough | — | | 31,587 | 76–54 | W1 |
| 132 | August 29 | | @ Dodgers | 4–1 | Blyleven (11–4) | Reuss | Tekulve (24) | | 32,816 | 77–54 | W2 |
| 133 | August 31 | | @ Giants | 6–4 | Robinson (7–6) | Curtis | Jackson (12) | | 19,377 | 78–54 | W3 |
|
September: 20–10 (Home: 9–5; Away: 11–5)
| # | Date | Time (ET) | Opponent | Score | Win | Loss | Save | Time of Game | Attendance | Record | Box/ Streak |
| 134 | September 1 | | @ Giants | 5–3 | Kison (10–7) | Montefusco | Jackson (13) | | 25,551 | 79–54 | W4 |
| 135 | September 1 | | @ Giants | 7–2 | Bibby (10–3) | Knepper | — | | 27,382 | 80–54 | W5 |
| 136 | September 2 | | @ Giants | 5–3 | Candelaria (13–8) | Blue | — | | 15,663 | 81–54 | W6 |
| 137 | September 3 | | Phillies | 0–2 | Carlton | Blyleven (11–5) | McGraw | | | 81–55 | L1 |
| 138 | September 3 | | Phillies | 7–3 | Rooker (3–6) | Lerch | Tekulve (25) | | 43,444 | 82–55 | W1 |
| 139 | September 5 | | @ Cardinals | 7–5 (11) | Roberts (3–1) | Thomas | Tekulve (26) | | 23,059 | 83–55 | W2 |
| 140 | September 6 | | @ Cardinals | 6–8 | Martinez | Bibby (10–4) | McEnaney | | 14,767 | 83–56 | L1 |
| 141 | September 7 | | @ Mets | 6–4 (14) | Jackson (7–4) | Allen | — | | 8,290 | 84–56 | W1 |
| 142 | September 8 | | @ Mets | 2–3 (15) | Ellis | Rooker (3–7) | — | | 8,095 | 84–57 | L1 |
| 143 | September 9 | | @ Mets | 6–5 | Tekulve (9–7) | Glynn | — | | 9,093 | 85–57 | W1 |
| 144 | September 11 | | Cardinals | 7–3 | Roberts (4–1) | Denny | — | | 15,757 | 86–57 | W2 |
| 145 | September 12 | | Cardinals | 2–0 | Candelaria (14–8) | Forsch | Tekulve (27) | | 17,669 | 87–57 | W3 |
| — | | | Cardinals | Postponed (Rain) (Makeup date: September 27) |
| 146 | September 15 | | Mets | 5–4 | Roberts (5–1) | Glynn | Tekulve (28) | | 18,060 | 88–57 | W4 |
| 147 | September 16 | | Mets | 0–3 | Falcone | Candelaria (14–9) | Allen | | 25,364 | 88–58 | L1 |
| 148 | | 7:35 p.m. EDT | @ Expos | 2–1 | Robinson (8–6) | Rogers (13–10) | — | 2:28 | 54,609 | 89–58 | W1 |
| 149 | | 7:35 p.m. EDT | @ Expos | 5–3 (11) | Jackson (8–4) | Murray (4–9) | Roberts (1) | 3:04 | 56,976 | 90–58 | W2 |
| 150 | September 19 | | @ Phillies | 9–6 | Tekulve (10–7) | Eastwick | Jackson (14) | | | 91–58 | W3 |
| 151 | September 19 | | @ Phillies | 5–6 | Kucek | Romo (10–5) | Saucier | | 30,566 | 91–59 | L1 |
| 152 | September 20 | | @ Phillies | 1–2 | Lerch | Tekulve (10–8) | — | | 16,299 | 91–60 | L2 |
| 153 | September 21 | | @ Cubs | 0–2 | McGlothen | Robinson (8–7) | — | | 9,552 | 91–61 | L3 |
| 154 | September 22 | | @ Cubs | 4–1 | Kison (11–7) | Riley | Tekulve (29) | | 24,657 | 92–61 | W1 |
| 155 | September 23 | | @ Cubs | 6–0 | Bibby (11–4) | Reuschel | — | | 24,571 | 93–61 | W2 |
| 156 | (1) | 6:05 p.m. EDT | Expos | 5–2 | Blyleven (12–5) | Schatzeder (10–5) | Tekulve (30) | 2:30 | — | 94–61 | W3 |
| 157 | (2) | 9:10 p.m. EDT | Expos | 6–7 | Grimsley (10–9) | Jackson (8–5) | Sosa (18) | 3:28 | 47,268 | 94–62 | L1 |
| 158 | | 7:35 p.m. EDT | Expos | 10–4 | Rooker (4–7) | Sanderson (9–8) | Romo (5) | 3:06 | 31,348 | 95–62 | W1 |
| 159 | | 7:35 p.m. EDT | Expos | 10–1 | Kison (12–7) | Rogers (13–11) | — | 3:00 | 42,043 | 96–62 | W2 |
| 160 | September 27 | | Cardinals | 5–9 | Forsch | Roberts (5–2) | Littell | | 11,172 | 96–63 | L1 |
| 161 | September 28 | | Cubs | 6–1 | Bibby (12–4) | Reuschel | — | | 14,778 | 97–63 | W1 |
| 162 | September 29 | | Cubs | 6–7 (13) | Caudill | Robinson (8–8) | — | | 25,734 | 97–64 | L1 |
| 163 | September 30 | | Cubs | 5–3 | Kison (13–7) | McGlothen | Tekulve (31) | | 42,176 | 98–64 | W1 |
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