The Colorado Rockies' 1998 season was the sixth for the Rockies. They tried to win the National League West. Don Baylor was their manager, although he was fired after the season. They played home games and hosted the 1998 Major League Baseball All-Star Game at Coors Field. They finished with a record of 77-85, fourth in the division.
Note: Pos = Position; G = Games played; AB = At bats; H = Hits; Avg. = Batting average; HR = Home runs; RBI = Runs batted in
Note: G = Games played; AB = At bats; H = Hits; Avg. = Batting average; HR = Home runs; RBI = Runs batted in
Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; SO = Strikeouts
Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; SO = Strikeouts; SV = Saves
Note: G = Games pitched; W = Wins; L = Losses; SV = Saves; ERA = Earned run average; SO = Strikeouts
|- align="center" bgcolor="bbffbb" | 1 || March 31 || @ Diamondbacks || 9–2 || Kile (1–0) || Benes (0–1) || || 47,484 || 1–0 |-
|- align="center" bgcolor="bbffbb" | 2 || April 1 || @ Diamondbacks || 6–0 || Thomson (1–0) || Blair (0–1) || || 43,758 || 2–0 |- align="center" bgcolor="bbffbb" | 3 || April 2 || @ Diamondbacks || 6–4 || Astacio (1–0) || Anderson (0–1) || DiPoto (1) || 42,876 || 3–0 |- align="center" bgcolor="ffbbbb" | 4 || April 3 || @ Astros || 15–2 || Lima (1–0) || Wright (0–1) || || 26,026 || 3–1 |- align="center" bgcolor="bbffbb" | 5 || April 4 || @ Astros || 5–3 || Thompson (1–0) || Bergman (0–1) || DiPoto (2) || 21,325 || 4–1 |- align="center" bgcolor="ffbbbb" | 6 || April 5 || @ Astros || 6–2 || Reynolds (1–0) || Kile (1–1) || || 21,037 || 4–2 |- align="center" bgcolor="ffbbbb" | 7 || April 6 || @ Astros || 13–4 || Hampton (1–0) || Thomson (1–1) || || 13,553 || 4–3 |- align="center" bgcolor="ffbbbb" | 8 || April 7 || Cardinals || 12–11 || Politte (1–0) || Astacio (1–1) || Bottenfield (2) || 48,016 || 4–4 |- align="center" bgcolor="ffbbbb" | 9 || April 8 || Cardinals || 13–9 || Aybar (1–1) || Wright (0–2) || || 48,020 || 4–5 |- align="center" bgcolor="ffbbbb" | 10 || April 9 || Cardinals || 7–5 || Busby (1–0) || Leskanic (0–1) || Brantley (1) || 46,579 || 4–6 |- align="center" bgcolor="ffbbbb" | 11 || April 10 || Reds || 18–7 || Jordan (1–0) || Kile (1–2) || Sullivan (1) || 48,013 || 4–7 |- align="center" bgcolor="ffbbbb" | 12 || April 11 || Reds || 12–5 || Remlinger (1–2) || Thomson (1–2) || Belinda (1) || 48,053 || 4–8 |- align="center" bgcolor="ffbbbb" | 13 || April 12 || Reds || 10–4 || Harnisch (1–0) || Astacio (1–2) || || 46,921 || 4–9 |- align="center" bgcolor="bbffbb" | 14 || April 13 || Reds || 8–4 || Leskanic (1–1) || Belinda (0–1) || || 44,488 || 5–9 |- align="center" bgcolor="bbffbb" | 15 || April 14 || Dodgers || 6–3 || DeJean (1–0) || Valdez (1–2) || DiPoto (3) || 44,337 || 6–9 |- align="center" bgcolor="ffbbbb" | 16 || April 16 || Dodgers || 4–3 <small>(10)</small> || Radinsky (1–0) || DiPoto (0–1) || Bruske (1) || 38,429 || 6–10 |- align="center" bgcolor="ffbbbb" | 17 || April 18 || Braves || 11–4 || Neagle (2–1) || Astacio (1–3) || || 48,058 || 6–11 |- align="center" bgcolor="ffbbbb" | 18 || April 19 || Braves || 5–3 || Millwood (3–0) || Thompson (1–1) || Wohlers (5) || 48,038 || 6–12 |- align="center" bgcolor="bbffbb" | 19 || April 19 || Braves || 10–7 || Wright (1–2) || MartÃÂnez (1–2) || DiPoto (4) || 43,977 || 7–12 |- align="center" bgcolor="ffbbbb" | 20 || April 20 || Braves || 7–5 || Maddux (2–1) || Kile (1–3) || Ligtenberg (1) || 43,594 || 7–13 |- align="center" bgcolor="ffbbbb" | 21 || April 22 || @ Marlins || 3–2 || Powell (1–2) || Leskanic (1–2) || || 16,405 || 7–14 |- align="center" bgcolor="bbffbb" | 22 || April 23 || @ Marlins || 4–3 || DiPoto (1–1) || Stanifer (0–1) || || 15,098 || 8–14 |- align="center" bgcolor="ffbbbb" | 23 || April 24 || @ Marlins || 5–1 || Meadows (3–2) || Thompson (1–2) || || 21,708 || 8–15 |- align="center" bgcolor="bbffbb" | 24 || April 25 || @ Braves || 11–7 || Kile (2–3) || Millwood (3–1) || || 49,161 || 9–15 |- align="center" bgcolor="bbffbb" | 25 || April 26 || @ Braves || 7–6 || Wright (2–2) || Maddux (2–2) || DiPoto (5) || 42,400 || 10–15 |- align="center" bgcolor="ffbbbb" | 26 || April 27 || Marlins || 5–4 <small>(10)</small> || Powell (2–2) || Leskanic (1–3) || Alfonseca (1) || 48,048 || 10–16 |- align="center" bgcolor="bbffbb" | 27 || April 28 || Marlins || 8–7 || Astacio (2–3) || Larkin (1–1) || Leskanic (1) || 47,346 || 11–16 |- align="center" bgcolor="bbffbb" | 28 || April 30 || @ Mets || 4–0 || Kile (3–3) || Jones (1–3) || || 12,599 || 12–16 |-
|- align="center" bgcolor="bbffbb" | 29 || May 2 || @ Mets || 7–3 || Leskanic (2–3) || Cook (2–1) || || 19,968 || 13–16 |- align="center" bgcolor="ffbbbb" | 30 || May 3 || @ Mets || 5–2 || Reed (2–2) || Astacio (2–4) || || 19,493 || 13–17 |- align="center" bgcolor="bbffbb" | 31 || May 4 || @ Phillies || 11–2 || Thomson (2–2) || Stephenson (0–2) || || 11,403 || 14–17 |- align="center" bgcolor="bbffbb" | 32 || May 5 || @ Phillies || 6–1 || Kile (4–3) || Grace (1–4) || || 13,672 || 15–17 |- align="center" bgcolor="ffbbbb" | 33 || May 6 || @ Phillies || 7–6 <small>(10)</small> || Leiter (2–0) || McElroy (0–1) || || 19,538 || 15–18 |- align="center" bgcolor="ffbbbb" | 34 || May 7 || @ Expos || 2–1 || Pérez (1–3) || Wright (2–3) || Urbina (7) || 7,075 || 15–19 |- align="center" bgcolor="bbffbb" | 35 || May 8 || @ Expos || 7–5 || Astacio (3–4) || Hermanson (3–3) || DiPoto (6) || 11,725 || 16–19 |- align="center" bgcolor="ffbbbb" | 36 || May 9 || @ Expos || 4–0 || Moore (2–4) || Thomson (2–3) || Urbina (8) || 12,014 || 16–20 |- align="center" bgcolor="bbffbb" | 37 || May 10 || @ Expos || 5–3 || Kile (5–3) || Kline (1–2) || DiPoto (7) || 10,041 || 17–20 |- align="center" bgcolor="ffbbbb" | 38 || May 11 || @ Pirates || 5–2 || Schmidt (5–1) || Ritz (0–1) || || 9,498 || 17–21 |- align="center" bgcolor="ffbbbb" | 39 || May 12 || @ Pirates || 6–0 || Loaiza (2–1) || Wright (2–4) || || 12,954 || 17–22 |- align="center" bgcolor="ffbbbb" | 40 || May 13 || Cubs || 9–3 || Trachsel (4–1) || Astacio (3–5) || || 48,038 || 17–23 |- align="center" bgcolor="ffbbbb" | 41 || May 14 || Cubs || 9–7 || Tapani (5–2) || Thomson (2–4) || Beck (12) || 48,077 || 17–24 |- align="center" bgcolor="ffbbbb" | 42 || May 15 || Brewers || 8–5 || Woodard (3–1) || Kile (5–4) || Myers (1) || 48,035 || 17–25 |- align="center" bgcolor="ffbbbb" | 43 || May 16 || Brewers || 7–5 || Karl (5–1) || Ritz (0–2) || Jones (11) || 48,063 || 17–26 |- align="center" bgcolor="bbffbb" | 44 || May 17 || Brewers || 2–1 || Wright (3–4) || Woodall (0–1) || DiPoto (8) || 48,041 || 18–26 |- align="center" bgcolor="bbffbb" | 45 || May 18 || Brewers || 8–5 || Astacio (4–5) || Juden (5–2) || DiPoto (9) || 48,026 || 19–26 |- align="center" bgcolor="ffbbbb" | 46 || May 20 || @ Braves || 5–1 || Millwood (6–1) || Thomson (2–5) || || 33,531 || 19–27 |- align="center" bgcolor="ffbbbb" | 47 || May 21 || @ Braves || 2–0 || Neagle (6–1) || Kile (5–5) || Ligtenberg (6) || 34,611 || 19–28 |- align="center" bgcolor="bbffbb" | 48 || May 22 || @ Reds || 3–2 || Wright (4–4) || Weathers (2–4) || DiPoto (10) || 21,410 || 20–28 |- align="center" bgcolor="ffbbbb" | 49 || May 23 || @ Reds || 4–1 <small>(7)</small> || Winchester (3–2) || Astacio (4–6) || || 20,034 || 20–29 |- align="center" bgcolor="bbffbb" | 50 || May 24 || @ Reds || 3–1 || Jones (1–0) || Tomko (5–3) || DiPoto (11) || 21,298 || 21–29 |- align="center" bgcolor="bbffbb" | 51 || May 25 || @ Cardinals || 6–1 || Thomson (3–5) || Busby (5–1) || || 42,038 || 22–29 |- align="center" bgcolor="ffbbbb" | 52 || May 27 || @ Cardinals || 2–1 || Stottlemyre (6–4) || Kile (5–6) || Brantley (8) || 34,211 || 22–30 |- align="center" bgcolor="ffbbbb" | 53 || May 28 || @ Cardinals || 4–1 || Mercker (4–3) || Wright (4–5) || King (2) || 37,989 || 22–31 |- align="center" bgcolor="ffbbbb" | 54 || May 29 || Astros || 7–6 || Hampton (7–2) || Astacio (4–7) || Wagner (14) || 48,325 || 22–32 |- align="center" bgcolor="bbffbb" | 55 || May 30 || Astros || 6–3 || Thomson (4–5) || Schourek (2–3) || DiPoto (12) || 48,036 || 23–32 |- align="center" bgcolor="bbffbb" | 56 || May 31 || Astros || 7–5 || McElroy (1–1) || Henry (3–2) || || 48,097 || 24–32 |-
|- align="center" bgcolor="ffbbbb" | 57 || June 1 || Diamondbacks || 6–4 || Benes (4–5) || Kile (5–7) || Olson (7) || 48,020 || 24–33 |- align="center" bgcolor="ffbbbb" | 58 || June 2 || Diamondbacks || 9–3 || Anderson (3–6) || Wright (4–6) || || 47,905 || 24–34 |- align="center" bgcolor="bbffbb" | 59 || June 3 || Diamondbacks || 3–2 || McElroy (2–1) || Olson (1–3) || || 46,279 || 25–24 |- align="center" bgcolor="bbffbb" | 60 || June 4 || Diamondbacks || 5–2 || Thomson (5–5) || Daal (1–4) || || 46,295 || 26–34 |- align="center" bgcolor="ffbbbb" | 61 || June 5 || @ Angels || 5–0 || Dickson (5–4) || Jones (1–1) || || 39,621 || 26–35 |- align="center" bgcolor="ffbbbb" | 62 || June 6 || @ Angels || 2–1 || Olivares (3–2) || Kile (5–8) || Percival (17) || 38,671 || 26–36 |- align="center" bgcolor="ffbbbb" | 63 || June 7 || @ Angels || 6–5 || Cadaret (1–0) || DiPoto (1–2) || || 42,493 || 26–37 |- align="center" bgcolor="ffbbbb" | 64 || June 8 || Rangers || 3–1 || Sele (9–3) || Astacio (4–8) || Wetteland (17) || 48,070 || 26–38 |- align="center" bgcolor="ffbbbb" | 65 || June 9 || Rangers || 5–2 || Helling (8–3) || Thomson (5–6) || Wetteland (18) || 48,068 || 26–39 |- align="center" bgcolor="bbffbb" | 66 || June 10 || Rangers || 9–8 <small>(10)</small> || DiPoto (2–2) || Gunderson (0–1) || || 48,061 || 27–39 |- align="center" bgcolor="ffbbbb" | 67 || June 12 || @ Dodgers || 2–1 || Mlicki (2–4) || Kile (5–9) || McMichael (1) || 39,163 || 27–40 |- align="center" bgcolor="bbffbb" | 68 || June 13 || @ Dodgers || 4–2 || Wright (5–6) || Dreifort (4–6) || DiPoto (13) || 38,417 || 28–40 |- align="center" bgcolor="bbffbb" | 69 || June 14 || @ Dodgers || 3–2 <small>(12)</small> || DeJean (2–0) || Radinsky (2–3) || McElroy (1) || 41,964 || 29–40 |- align="center" bgcolor="bbffbb" | 70 || June 15 || @ Giants || 4–3 <small>(12)</small> || Leskanic (3–3) || Johnstone (2–3) || DiPoto (14) || 16,891 || 30–40 |- align="center" bgcolor="ffbbbb" | 71 || June 16 || @ Giants || 5–3 || Tavárez (3–3) || Jones (1–2) || Nen (20) || 12,585 || 30–41 |- align="center" bgcolor="ffbbbb" | 72 || June 17 || @ Giants || 6–3 || Rueter (8–3) || Kile (5–10) || Nen (21) || 19,125 || 30–42 |- align="center" bgcolor="ffbbbb" | 73 || June 18 || Dodgers || 5–0 || Mlicki (3–4) || Wright (5–7) || || 48,092 || 30–43 |- align="center" bgcolor="ffbbbb" | 74 || June 19 || Dodgers || 4–3 <small>(10)</small> || Osuna (3–0) || DiPoto (2–3) || || 48,120 || 30–44 |- align="center" bgcolor="bbffbb" | 75 || June 20 || Dodgers || 7–6 || Munoz (1–0) || Reyes (0–3) || Veres (1) || 48,231 || 31–44 |- align="center" bgcolor="bbffbb" | 76 || June 21 || Dodgers || 11–6 || Jones (2–2) || Park (5–5) || || 48,186 || 32–44 |- align="center" bgcolor="ffbbbb" | 77 || June 22 || @ Brewers || 3–2 || Reyes (3–0) || McElroy (2–2) || Wickman (7) || 22,556 || 32–45 |- align="center" bgcolor="ffbbbb" | 78 || June 23 || @ Brewers || 7–5 || Patrick (3–0) || Wright (5–8) || Wickman (8) || 20,759 || 32–46 |- align="center" bgcolor="bbffbb" | 79 || June 24 || Astros || 8–6 || Astacio (5–8) || Bergman (6–4) || Veres (2) || 48,150 || 33–46 |- align="center" bgcolor="bbffbb" | 80 || June 25 || Astros || 6–5 <small>(12)</small> || Leskanic (4–3) || Magnante (3–2) || || 48,046 || 34–46 |- align="center" bgcolor="bbffbb" | 81 || June 26 || Athletics || 12–6 || Munoz (2–0) || Oquist (4–5) || || 48,069 || 35–46 |- align="center" bgcolor="ffbbbb" | 82 || June 27 || Athletics || 8–6 || Mathews (4–4) || DiPoto (2–4) || Taylor (16) || 48,049 || 35–47 |- align="center" bgcolor="bbffbb" | 83 || June 28 || Athletics || 11–10 || DeJean (3–0) || Fetters (0–2) || Veres (3) || 48,013 || 36–47 |- align="center" bgcolor="bbffbb" | 84 || June 30 || @ Mariners || 6–4 || Astacio (6–8) || Johnson (7–7) || Munoz (1) || 28,821 || 37–47 |-
|- align="center" bgcolor="ffbbbb" | 85 || July 1 || @ Mariners || 9–5 || Cloude (4–7) || Saipe (0–1) || || 25,551 || 37–48 |- align="center" bgcolor="ffbbbb" | 86 || July 2 || @ Mariners || 10–3 || Swift (8–4) || Kile (5–11) || || 32,523 || 37–49 |- align="center" bgcolor="ffbbbb" | 87 || July 3 || @ Padres || 4–2 || Hamilton (6–9) || DeJean (3–1) || Hoffman (25) || 40,588 || 37–50 |- align="center" bgcolor="ffbbbb" | 88 || July 4 || @ Padres || 9–1 || Langston (3–1) || Jones (2–3) || || 61,148 || 37–51 |- align="center" bgcolor="ffbbbb" | 89 || July 5 || @ Padres || 7–2 || Ashby (11–5) || Astacio (6–9) || || 32,649 || 37–52 |- align="center" bgcolor="bbffbb" | 90 || July 10 || Giants || 11–2 || Kile (6–11) || Estes (7–8) || || 48,174 || 38–52 |- align="center" bgcolor="bbffbb" | 91 || July 11 || Giants || 5–4 || McElroy (3–2) || Hershiser (7–7) || Munoz (2) || 48,262 || 39–52 |- align="center" bgcolor="bbffbb" | 92 || July 12 || Giants || 5–3 || Astacio (7–9) || Rueter (10–4) || Munoz (3) || 48,334 || 40–52 |- align="center" bgcolor="bbffbb" | 93 || July 13 || Padres || 9–5 || Jones (3–3) || Hitchcock (4–3) || || 48,098 || 41–52 |- align="center" bgcolor="ffbbbb" | 94 || July 14 || Padres || 8–7 || Sanders (1–2) || Kile (6–12) || Hoffman (28) || 48,114 || 41–53 |- align="center" bgcolor="ffbbbb" | 95 || July 15 || Padres || 6–2 || Brown (11–3) || Wright (5–9) || || 48,369 || 41–54 |- align="center" bgcolor="ffbbbb" | 96 || July 17 || @ Diamondbacks || 9–6 || Blair (4–13) || Astacio (7–10) || Olson (13) || 46,322 || 41–55 |- align="center" bgcolor="ffbbbb" | 97 || July 18 || @ Diamondbacks || 4–2 || Anderson (7–8) || Jones (3–4) || Olson (14) || 48,527 || 41–56 |- align="center" bgcolor="ffbbbb" | 98 || July 19 || @ Diamondbacks || 6–4 || Small (2–1) || Munoz (2–1) || Embree (1) || 45,650 || 41–57 |- align="center" bgcolor="ffbbbb" | 99 || July 20 || @ Astros || 10–9 || Henry (6–2) || Veres (0–1) || || 25,491 || 41–58 |- align="center" bgcolor="bbffbb" | 100 || July 21 || @ Astros || 5–0 || Brownson (1–0) || Hampton (8–5) || || 28,718 || 42–58 |- align="center" bgcolor="bbffbb" | 101 || July 23 || Reds || 6–4 || Astacio (8–10) || Remlinger (6–11) || Veres (4) || 42,586 || 43–58 |- align="center" bgcolor="bbffbb" | 102 || July 23 || Reds || 6–4 || Jones (4–4) || Harnisch (7–5) || Leskanic (2) || 45,705 || 44–58 |- align="center" bgcolor="bbffbb" | 103 || July 24 || Cardinals || 12–3 || Kile (7–12) || Stottlemyre (9–9) || || 48,303 || 45–58 |- align="center" bgcolor="bbffbb" | 104 || July 25 || Cardinals || 5–2 || McElroy (4–2) || Morris (1–1) || DeJean (1) || 48,323 || 46–58 |- align="center" bgcolor="ffbbbb" | 105 || July 26 || Cardinals || 3–1 || Mercker (6–8) || Thomson (5–7) || Croushore (7) || 48,288 || 46–59 |- align="center" bgcolor="bbffbb" | 106 || July 27 || Pirates || 8–7 <small>(13)</small> || Leskanic (5–3) || McCurry (0–1) || || 46,024 || 47–59 |- align="center" bgcolor="bbffbb" | 107 || July 28 || Pirates || 12–6 || Astacio (9–10) || Lieber (8–11) || || 46,856 || 48–59 |- align="center" bgcolor="ffbbbb" | 108 || July 29 || Pirates || 12–1 || Peters (5–8) || Kile (7–13) || || 47,411 || 48–60 |- align="center" bgcolor="ffbbbb" | 109 || July 31 || @ Cubs || 9–1 || Wood (11–5) || Wright (5–10) || Mulholland (3) || 40,490 || 48–61 |-
|- align="center" bgcolor="ffbbbb" | 110 || August 1 || @ Cubs || 3–2 || Trachsel (11–5) || Thomson (5–8) || Beck (32) || 40,198 || 48–62 |- align="center" bgcolor="bbffbb" | 111 || August 2 || @ Cubs || 6–3 || Astacio (10–10) || Clark (6–11) || McElroy (2) || 39,427 || 49–62 |- align="center" bgcolor="bbffbb" | 112 || August 3 || @ Pirates || 7–2 || Jones (5–4) || Lieber (8–12) || || 11,204 || 50–62 |- align="center" bgcolor="ffbbbb" | 113 || August 4 || @ Pirates || 13–5 || Christiansen (2–2) || Kile (7–14) || || 15,784 || 50–63 |- align="center" bgcolor="bbffbb" | 114 || August 5 || @ Pirates || 6–2 || Wright (6–10) || Córdova (9–10) || || 12,862 || 51–63 |- align="center" bgcolor="bbffbb" | 115 || August 6 || @ Pirates || 5–1 || Thomson (6–8) || Schmidt (8–9) || || 14,060 || 52–63 |- align="center" bgcolor="ffbbbb" | 116 || August 7 || Mets || 8–7 || Reed (13–7) || Astacio (10–11) || Franco (22) || 48,365 || 52–64 |- align="center" bgcolor="ffbbbb" | 117 || August 8 || Mets || 4–3 || Reynoso (3–0) || Jones (5–5) || Franco (23) || 48,312 || 52–65 |- align="center" bgcolor="bbffbb" | 118 || August 9 || Mets || 11–4 || Kile (8–14) || Nomo (5–9) || || 48,014 || 53–65 |- align="center" bgcolor="bbffbb" | 119 || August 10 || Expos || 6–2 || Wright (7–10) || Telford (3–5) || || 44,768 || 54–65 |- align="center" bgcolor="bbffbb" | 120 || August 11 || Expos || 15–6 || Thomson (7–8) || Powell (1–2) || || 45,403 || 55–65 |- align="center" bgcolor="bbffbb" | 121 || August 12 || Expos || 3–2 || Astacio (11–11) || Vázquez (3–12) || DiPoto (15) || 46,872 || 56–65 |- align="center" bgcolor="ffbbbb" | 122 || August 14 || Phillies || 6–2 || Loewer (6–4) || Jones (5–6) || || 47,395 || 56–66 |- align="center" bgcolor="bbffbb" | 123 || August 15 || Phillies || 7–3 || Kile (9–14) || Gomes (9–4) || || 48,329 || 57–66 |- align="center" bgcolor="ffbbbb" | 124 || August 16 || Phillies || 8–7 || Portugal (7–3) || Wright (7–11) || Leiter (22) || 48,024 || 57–67 |- align="center" bgcolor="ffbbbb" | 125 || August 18 || @ Mets || 6–2 || Leiter (12–4) || Astacio (11–12) || || || 57–68 |- align="center" bgcolor="ffbbbb" | 126 || August 18 || @ Mets || 6–3 || Rojas (5–2) || McElroy (4–3) || Franco (26) || 21,611 || 57–69 |- align="center" bgcolor="ffbbbb" | 127 || August 19 || @ Mets || 2–1 || Yoshii (5–6) || Jones (5–7) || Franco (27) || 19,395 || 57–70 |- align="center" bgcolor="bbffbb" | 128 || August 20 || @ Expos || 6–3 || Kile (10–14) || Thurman (2–2) || DeJean (2) || 11,680 || 58–70 |- align="center" bgcolor="bbffbb" | 129 || August 21 || @ Expos || 3–2 || Veres (1–1) || Urbina (4–3) || || 11,626 || 59–70 |- align="center" bgcolor="ffbbbb" | 130 || August 22 || @ Phillies || 6–1 || Byrd (2–0) || Astacio (11–13) || || 23,435 || 59–71 |- align="center" bgcolor="bbffbb" | 131 || August 23 || @ Phillies || 5–2 || Thomson (8–8) || Grace (4–7) || DiPoto (16) || 26,364 || 60–71 |- align="center" bgcolor="bbffbb" | 132 || August 24 || @ Phillies || 3–1 || Jones (6–7) || Loewer (6–5) || Veres (5) || 15,665 || 61–71 |- align="center" bgcolor="bbffbb" | 133 || August 25 || Brewers || 11–6 || Veres (2–1) || Weathers (4–5) || || 44,573 || 62–71 |- align="center" bgcolor="ffbbbb" | 134 || August 26 || Brewers || 6–5 || Pulsipher (2–1) || Wright (7–12) || || 42,395 || 62–72 |- align="center" bgcolor="ffbbbb" | 135 || August 27 || Cubs || 11–10 <small>(10)</small> || Mulholland (4–5) || Munoz (2–2) || Beck (38) || 50,093 || 62–73 |- align="center" bgcolor="ffbbbb" | 136 || August 28 || Cubs || 10–5 || Trachsel (14–7) || Thomson (8–9) || || 48,223 || 62–74 |- align="center" bgcolor="bbffbb" | 137 || August 29 || Cubs || 7–3 || Jones (7–7) || Clark (7–13) || || 48,269 || 63–74 |- align="center" bgcolor="ffbbbb" | 138 || August 30 || Cubs || 4–3 || Tapani (16–7) || Kile (10–15) || Beck (39) || 48,255 || 63–75 |-
|- align="center" bgcolor="bbffbb" | 139 || September 1 || @ Brewers || 12–3 || Wright (8–12) || Pulsipher (2–2) || || 13,347 || 64–75 |- align="center" bgcolor="ffbbbb" | 140 || September 2 || @ Brewers || 8–4 || Roque (3–1) || Astacio (11–14) || || 10,584 || 64–76 |- align="center" bgcolor="ffbbbb" | 141 || September 3 || @ Brewers || 7–3 || Woodall (7–8) || Thomson (8–10) || || 12,327 || 64–77 |- align="center" bgcolor="bbffbb" | 142 || September 4 || Padres || 11–5 || Veres (3–1) || Sanders (2–3) || || 44,596 || 65–77 |- align="center" bgcolor="ffbbbb" | 143 || September 5 || Padres || 4–2 || Brown (18–5) || Kile (10–16) || Hoffman (46) || 42,930 || 65–78 |- align="center" bgcolor="bbffbb" | 144 || September 6 || Padres || 12–2 || Wright (9–12) || Hamilton (12–12) || || 46,240 || 66–78 |- align="center" bgcolor="bbffbb" | 145 || September 7 || Marlins || 15–10 || Leskanic (6–3) || Ludwick (1–4) || || 41,094 || 67–78 |- align="center" bgcolor="bbffbb" | 146 || September 8 || Marlins || 11–10 || McElroy (5–3) || Mantei (3–4) || || 40,047 || 68–78 |- align="center" bgcolor="bbffbb" | 147 || September 9 || Marlins || 9–8 || McElroy (6–3) || Speier (0–3) || || 40,500 || 69–78 |- align="center" bgcolor="bbffbb" | 148 || September 10 || Marlins || 3–1 || Kile (11–16) || Medina (1–4) || || 44,906 || 70–78 |- align="center" bgcolor="bbffbb" | 149 || September 11 || @ Giants || 7–6 || Stoops (1–0) || Morman (0–2) || DiPoto (17) || 34,698 || 71–78 |- align="center" bgcolor="bbffbb" | 150 || September 12 || @ Giants || 1–0 || Astacio (12–14) || Nen (7–6) || DiPoto (18) || 30,422 || 72–78 |- align="center" bgcolor="ffbbbb" | 151 || September 13 || @ Giants || 4–3 || Johnstone (4–5) || McElroy (6–4) || Nen (36) || 30,278 || 72–79 |- align="center" bgcolor="ffbbbb" | 152 || September 14 || @ Dodgers || 4–1 || Pérez (10–13) || Jones (7–8) || || 26,122 || 72–80 |- align="center" bgcolor="bbffbb" | 153 || September 15 || @ Dodgers || 5–4 || Kile (12–16) || Park (13–9) || DiPoto (19) || 29,702 || 73–80 |- align="center" bgcolor="ffbbbb" | 154 || September 16 || @ Dodgers || 2–0 || Bohanon (7–10) || Wright (9–13) || Shaw (44) || 27,906 || 73–81 |- align="center" bgcolor="bbffbb" | 155 || September 18 || @ Padres || 4–1 || Astacio (13–14) || Ashby (16–9) || Veres (6) || 28,158 || 74–81 |- align="center" bgcolor="ffbbbb" | 156 || September 19 || @ Padres || 4–1 || Clement (1–0) || Thomson (8–11) || Hoffman (51) || 54,042 || 74–82 |- align="center" bgcolor="bbffbb" | 157 || September 20 || @ Padres || 1–0 <small>(11)</small> || Kile (13–16) || Myers (4–6) || Veres (7) || 37,939 || 75–82 |- align="center" bgcolor="ffbbbb" | 158 || September 22 || Diamondbacks || 8–6 || Daal (8–12) || Wright (9–14) || Olson (29) || 42,859 || 75–83 |- align="center" bgcolor="bbffbb" | 159 || September 23 || Diamondbacks || 14–11 || Wainhouse (1–0) || Banks (2–3) || Veres (8) || 44,021 || 76–83 |- align="center" bgcolor="ffbbbb" | 160 || September 25 || Giants || 8–6 || Johnstone (6–5) || Leskanic (6–4) || Nen (40) || 48,147 || 76–84 |- align="center" bgcolor="ffbbbb" | 161 || September 26 || Giants || 8–4 || Hershiser (11–10) || Kile (13–17) || || 47,462 || 76–85 |- align="center" bgcolor="bbffbb" | 162 || September 27 || Giants || 9–8 || DiPoto (3–4) || Nen (7–7) || || 48,028 || 77–85 |-
<small>LEAGUE CHAMPIONS: AZL Rockies</small>