The 1990 Pittsburgh Pirates season was their 109th season; the 104th in the National League. This was their 21st season at Three Rivers Stadium. The Pirates finished first in the National League East with a record of 95âÂÂ67. They were defeated four games to two by the Cincinnati Reds in the NLCS.
|- bgcolor="ccffcc" | 1 || April 9 || @ Mets || 12âÂÂ3 || Drabek || Gooden || â || 47,919 || 1âÂÂ0 |- bgcolor="ffbbbb" | 2 || April 11 || @ Mets || 0âÂÂ3 || Viola || Smiley || Franco || 16,880 || 1âÂÂ1 |- bgcolor="ccffcc" | 3 || April 12 || @ Mets || 6âÂÂ2 || Heaton || Fernandez || â || 16,544 || 2âÂÂ1 |- bgcolor="ffbbbb" | 4 || April 13 || Cubs || 0âÂÂ2 || Maddux || Walk || Williams || 44,799 || 2âÂÂ2 |- bgcolor="ffbbbb" | 5 || April 14 || Cubs || 1âÂÂ4 || Harkey || Drabek || Williams || 13,226 || 2âÂÂ3 |- bgcolor="ccffcc" | 6 || April 15 || Cubs || 4âÂÂ3 <small>(10)</small> || Patterson || Lancaster || â || 6,289 || 3âÂÂ3 |- bgcolor="ffbbbb" | 7 || || <span style="color:black">Cardinals</span> || 4âÂÂ6 || DeLeon || Smiley || Horton || 7,136 || 3âÂÂ4 |- bgcolor="ccffcc" | 8 || || <span style="color:black">Cardinals</span> || 7âÂÂ2 || Heaton || Mathews || â || 3,981 || 4âÂÂ4 |- bgcolor="ffbbbb" | 9 || || <span style="color:black">Cardinals</span> || 0âÂÂ3 || Tudor || Walk || Dayley || 11,626 || 4âÂÂ5 |- bgcolor="ccffcc" | 10 || || <span style="color:black">@</span> <span style="color:black">Cardinals</span> || 5âÂÂ1 || Drabek || Magrane || â || 20,495 || 5âÂÂ5 |- bgcolor="ccffcc" | 11 || April 20 || @ Cubs || 9âÂÂ4 <small>(7)</small> || Roesler || Bielecki || â || 15,171 || 6âÂÂ5 |- bgcolor="ccffcc" | 12 || April 21 || @ Cubs || 4âÂÂ3 || Smiley || Wilson || Landrum || 37,091 || 7âÂÂ5 |- bgcolor="ccffcc" | 13 || April 22 || @ Cubs || 3âÂÂ2 || Heaton || Nunez || Power || 33,583 || 8âÂÂ5 |- bgcolor="ffbbbb" | 14 || || <span style="color:black">@</span> <span style="color:black">Cardinals</span> || 4âÂÂ7 || Tudor || Walk || â || 22,748 || 8âÂÂ6 |- bgcolor="ccffcc" | 15 || April 24 || @ Giants || 4âÂÂ1 || Drabek || Garrelts || Landrum || 10,881 || 9âÂÂ6 |- bgcolor="ccffcc" | 16 || April 25 || @ Giants || 7âÂÂ4 <small>(12)</small> || Patterson || Bedrosian || â || 10,698 || 10âÂÂ6 |- bgcolor="ccffcc" | 17 || April 26 || @ Giants || 2âÂÂ1 || Smiley || LaCoss || â || 10,493 || 11âÂÂ6 |- bgcolor="ccffcc" | 18 || || <span style="color:black">@</span> <span style="color:black">Padres</span> || 9âÂÂ4 || Heaton || Show || â || 23,376 || 12âÂÂ6 |- bgcolor="ccffcc" | 19 || || <span style="color:black">@</span> <span style="color:black">Padres</span> || 4âÂÂ3 || Walk || Benes || Landrum || 26,473 || 13âÂÂ6 |- bgcolor="ccffcc" | 20 || || <span style="color:black">@</span> <span style="color:black">Padres</span> || 10âÂÂ1 || Drabek || Rasmussen || â || 27,206 || 14âÂÂ6 |-
|- bgcolor="ffbbbb" | 21 || || <span style="color:black">@</span> <span style="color:black">Dodgers</span> || 1âÂÂ4 || Belcher || Terrell || â || 31,292 || 14âÂÂ7 |- bgcolor="ffbbbb" | 22 || || <span style="color:black">@</span> <span style="color:black">Dodgers</span> || 2âÂÂ6 || Valenzuela || Smiley || â || 32,089 || 14âÂÂ8 |- bgcolor="ccffcc" | 23 || || <span style="color:black">Braves</span> || 6âÂÂ4 || Heaton || Smoltz || Ruskin || || 15âÂÂ8 |- bgcolor="ccffcc" | 24 || || <span style="color:black">Braves</span> || 4âÂÂ2 || Drabek || Lilliquist || Patterson || 17,108 || 16âÂÂ8 |- bgcolor="ccffcc" | 25 || || <span style="color:black">Padres</span> || 4âÂÂ1 || Walk || Hurst || Power || 9,653 || 17âÂÂ8 |- bgcolor="ccffcc" | 26 || || <span style="color:black">Padres</span> || 10âÂÂ2 || Terrell || Show || â || 10,694 || 18âÂÂ8 |- bgcolor="ccffcc" | 27 || May 9 || Reds || 6âÂÂ2 || Smiley || Armstrong || Landrum || 17,149 || 19âÂÂ8 |- bgcolor="ffbbbb" | 28 || May 10 || Reds || 4âÂÂ10 || Charlton || Power || â || 15,071 || 19âÂÂ9 |- bgcolor="ccffcc" | 29 || May 11 || Astros || 4âÂÂ3 || Drabek || Deshaies || Landrum || 24,734 || 20âÂÂ9 |- bgcolor="ccffcc" | 30 || May 12 || Astros || 3âÂÂ1 || Heaton || Portugal || Power || 16,066 || 21âÂÂ9 |- bgcolor="ccffcc" | 31 || May 13 || Astros || 5âÂÂ1 || Walk || Gullickson || Landrum || 16,658 || 22âÂÂ9 |- bgcolor="ffbbbb" | 32 || May 14 || @ Reds || 3âÂÂ5 || Armstrong || Terrell || Myers || 24,211 || 22âÂÂ10 |- bgcolor="ffbbbb" | 33 || May 15 || @ Reds || 4âÂÂ5 <small>(11)</small> || Layana || Patterson || â || 13,353 || 22âÂÂ11 |- bgcolor="ffbbbb" | 34 || || <span style="color:black">@</span> <span style="color:black">Braves</span> || 1âÂÂ6 || Lilliquist || Heaton || Hesketh || 6,340 || 22âÂÂ12 |- bgcolor="ccffcc" | 35 || || <span style="color:black">@</span> <span style="color:black">Braves</span> || 9âÂÂ3 || Walk || Clary || â || 19,001 || 23âÂÂ12 |- bgcolor="ffbbbb" | 36 || || <span style="color:black">@</span> <span style="color:black">Braves</span> || 1âÂÂ2 || Glavine || Terrell || Hesketh || 26,170 || 23âÂÂ13 |- bgcolor="ffbbbb" | 37 || || <span style="color:black">@</span> <span style="color:black">Braves</span> || 11âÂÂ13 || Smith || Kipper || Boever || 8,288 || 23âÂÂ14 |- bgcolor="ffbbbb" | 38 || May 21 || @ Astros || 2âÂÂ3 <small>(11)</small> || Agosto || Power || â || 8,116 || 23âÂÂ15 |- bgcolor="ccffcc" | 39 || May 22 || @ Astros || 8âÂÂ4 || Heaton || Schatzeder || â || 8,661 || 24âÂÂ15 |- bgcolor="ffbbbb" | 40 || May 23 || @ Astros || 3âÂÂ7 || Agosto || Ruskin || â || 10,961 || 24âÂÂ16 |- bgcolor="ffbbbb" | 41 || May 25 || Giants || 8âÂÂ9 || Burkett || Terrell || Brantley || 24,644 || 24âÂÂ17 |- bgcolor="ccffcc" | 42 || May 26 || Giants || 10âÂÂ4 || Drabek || Garrelts || â || 25,150 || 25âÂÂ17 |- bgcolor="ccffcc" | 43 || May 27 || Giants || 5âÂÂ2 || Heaton || Reuschel || Power || 23,943 || 26âÂÂ17 |- bgcolor="ccffcc" | 44 || || <span style="color:black">Dodgers</span> || 6âÂÂ5 || Landrum || Howell || â || 26,171 || 27âÂÂ17 |- bgcolor="ccffcc" | 45 || || <span style="color:black">Dodgers</span> || 9âÂÂ5 || Patterson || Valenzuela || Ruskin || 10,252 || 28âÂÂ17 |- bgcolor="ccffcc" | 46 || || <span style="color:black">Dodgers</span> || 5âÂÂ3 || Terrell || Martinez || Landrum || 22,198 || 29âÂÂ17 |-
|- bgcolor="ffbbbb" | 47 || June 1 || Expos || 1âÂÂ4 || Gross || Drabek || Mohorcic || 27,410 || 29âÂÂ18 |- bgcolor="ccffcc" | 48 || June 2 || Expos || 4âÂÂ3 <small>(10)</small> || Landrum || Hall || â || 47,374 || 30âÂÂ18 |- bgcolor="ffbbbb" | 49 || June 3 || Expos || 3âÂÂ4 || Sampen || Belinda || Schmidt || 27,817 || 30âÂÂ19 |- bgcolor="ccffcc" | 50 || June 4 || Cubs || 6âÂÂ2 || Patterson || Boskie || Landrum || 9,257 || 31âÂÂ19 |- bgcolor="ccffcc" | 51 || June 5 || Cubs || 6âÂÂ5 || Belinda || Williams || â || 20,642 || 32âÂÂ19 |- bgcolor="ccffcc" | 52 || June 6 || Cubs || 6âÂÂ1 <small>(7)</small> || Drabek || Maddux || â || 21,164 || 33âÂÂ19 |- bgcolor="ccffcc" | 53 || June 7 || @ Mets || 5âÂÂ4 || Ruskin || Musselman || Kipper || 28,443 || 34âÂÂ19 |- bgcolor="ffbbbb" | 54 || June 8 || @ Mets || 1âÂÂ7 || Fernandez || Walk || â || 29,710 || 34âÂÂ20 |- bgcolor="ffbbbb" | 55 || June 9 || @ Mets || 3âÂÂ9 || Cone || Patterson || â || 38,379 || 34âÂÂ21 |- bgcolor="ffbbbb" | 56 || June 10 || @ Mets || 3âÂÂ8 || Ojeda || Terrell || â || 46,868 || 34âÂÂ22 |- bgcolor="ccffcc" | 57 || || <span style="color:black">@</span> <span style="color:black">Cardinals</span> || 8âÂÂ7 || Belinda || Niedenfuer || Landrum || 27,403 || 35âÂÂ22 |- bgcolor="ccffcc" | 58 || || <span style="color:black">@</span> <span style="color:black">Cardinals</span> || 6âÂÂ3 || Heaton || DeLeon || Landrum || 30,815 || 36âÂÂ22 |- bgcolor="ccffcc" | 59 || || <span style="color:black">@</span> <span style="color:black">Cardinals</span> || 6âÂÂ5 || Huismann || DiPino || Reed || 26,926 || 37âÂÂ22 |- bgcolor="ffbbbb" | 60 || June 15 || Mets || 5âÂÂ7 || Ojeda || Terrell || Franco || 35,935 || 37âÂÂ23 |- bgcolor="ccffcc" | 61 || June 16 || Mets || 11âÂÂ6 || Kipper || Viola || â || 43,653 || 38âÂÂ23 |- bgcolor="ffbbbb" | 62 || June 17 || Mets || 3âÂÂ4 || Gooden || Heaton || Franco || 35,652 || 38âÂÂ24 |- bgcolor="ffbbbb" | 63 || June 19 || @ Phillies || 1âÂÂ2 <small>(10)</small> || Carman || Landrum || â || 29,781 || 38âÂÂ25 |- bgcolor="ffbbbb" | 64 || June 20 || @ Phillies || 2âÂÂ7 || Ruffin || Patterson || â || 40,256 || 38âÂÂ26 |- bgcolor="ffbbbb" | 65 || June 22 || @ Expos || 3âÂÂ4 || Sampen || Belinda || Schmidt || 22,968 || 38âÂÂ27 |- bgcolor="ffbbbb" | 66 || June 23 || @ Expos || 1âÂÂ6 || Smith || Drabek || â || 27,605 || 38âÂÂ28 |- bgcolor="ccffcc" | 67 || June 24 || @ Expos || 5âÂÂ3 || Heaton || Martinez || Belinda || 41,054 || 39âÂÂ28 |- bgcolor="ccffcc" | 68 || June 25 || Phillies || 5âÂÂ0 || Reed || de Jesus || â || 29,369 || 40âÂÂ28 |- bgcolor="ccffcc" | 69 || June 26 || Phillies || 1âÂÂ0 || Ruskin || Ruffin || Belinda || 25,807 || 41âÂÂ28 |- bgcolor="ccffcc" | 70 || June 27 || Phillies || 5âÂÂ3 || Kipper || Howell || Landrum || 40,207 || 42âÂÂ28 |- bgcolor="ffbbbb" | 71 || || <span style="color:black">@</span> <span style="color:black">Cardinals</span> || 1âÂÂ5 || Tewksbury || Drabek || Smith || 22,602 || 42âÂÂ29 |- bgcolor="ffbbbb" | 72 || June 29 || @ Giants || 3âÂÂ7 || Wilson || Heaton || Brantley || 21,231 || 42âÂÂ30 |- bgcolor="ccffcc" | 73 || June 30 || @ Giants || 4âÂÂ3 || Kipper || Thurmond || Belinda || 31,159 || 43âÂÂ30 |-
|- bgcolor="ccffcc" | 74 || July 1 || @ Giants || 8âÂÂ5 || Tibbs || Oliveras || Landrum || 36,441 || 44âÂÂ30 |- bgcolor="ccffcc" | 75 || || <span style="color:black">@</span> <span style="color:black">Padres</span> || 4âÂÂ3 <small>(14)</small> || Patterson || Schiraldi || â || 13,842 || 45âÂÂ30 |- bgcolor="ccffcc" | 76 || || <span style="color:black">@</span> <span style="color:black">Padres</span> || 5âÂÂ3 || Landrum || Lefferts || â || 33,949 || 46âÂÂ30 |- bgcolor="ffbbbb" | 77 || || <span style="color:black">@</span> <span style="color:black">Padres</span> || 4âÂÂ5 || Show || Heaton || Harris || 10,897 || 46âÂÂ31 |- bgcolor="ccffcc" | 78 || || <span style="color:black">@</span> <span style="color:black">Dodgers</span> || 9âÂÂ6 || Reed || Martinez || Patterson || 36,231 || 47âÂÂ31 |- bgcolor="ccffcc" | 79 || || <span style="color:black">@</span> <span style="color:black">Dodgers</span> || 6âÂÂ3 || Smiley || Morgan || â || 33,386 || 48âÂÂ31 |- bgcolor="ffbbbb" | 80 || || <span style="color:black">@</span> <span style="color:black">Dodgers</span> || 2âÂÂ4 || Belcher || Terrell || â || 38,977 || 48âÂÂ32 |- bgcolor="ccffcc" | 81 || || <span style="color:black">@</span> <span style="color:black">Dodgers</span> || 7âÂÂ2 || Drabek || Wells || â || 37,271 || 49âÂÂ32 |- bgcolor="ccffcc" | 82 || || <span style="color:black">Padres</span> || 4âÂÂ3 <small>(15)</small> || Patterson || Schiraldi || â || 10,960 || 50âÂÂ32 |- bgcolor="ccffcc" | 83 || || <span style="color:black">Padres</span> || 4âÂÂ1 || Drabek || Rasmussen || Belinda || 16,108 || 51âÂÂ32 |- bgcolor="ccffcc" | 84 || || <span style="color:black">Padres</span> || 8âÂÂ4 || Power || Harris || â || 27,955 || 52âÂÂ32 |- bgcolor="ffbbbb" | 85 || || <span style="color:black">Padres</span> || 1âÂÂ4 || Whitson || Heaton || Lefferts || 34,386 || 52âÂÂ33 |- bgcolor="ffbbbb" | 86 || July 16 || Giants || 1âÂÂ6 || Garrelts || Reed || â || 28,304 || 52âÂÂ34 |- bgcolor="ffbbbb" | 87 || July 17 || Giants || 3âÂÂ6 || Robinson || Smiley || â || 23,098 || 52âÂÂ35 |- bgcolor="ccffcc" | 88 || July 18 || Giants || 11âÂÂ2 || Drabek || Wilson || â || 38,430 || 53âÂÂ35 |- bgcolor="ccffcc" | 89 || || <span style="color:black">Dodgers</span> || 4âÂÂ2 || Walk || Morgan || Power || 23,198 || 54âÂÂ35 |- bgcolor="ffbbbb" | 90 || || <span style="color:black">Dodgers</span> || 0âÂÂ6 || Belcher || Heaton || â || 39,498 || 54âÂÂ36 |- bgcolor="ccffcc" | 91 || || <span style="color:black">Dodgers</span> || 11âÂÂ6 || Kipper || Wells || â || 26,818 || 55âÂÂ36 |- bgcolor="ffbbbb" | 92 || July 23 || @ Expos || 0âÂÂ5 || Martinez || Smiley || â || 27,499 || 55âÂÂ37 |- bgcolor="ccffcc" | 93 || July 24 || @ Expos || 5âÂÂ3 || Drabek || Gross || Belinda || 24,444 || 56âÂÂ37 |- bgcolor="ffbbbb" | 94 || July 25 || @ Expos || 7âÂÂ8 <small>(10)</small> || Sampen || Belinda || â || 21,669 || 56âÂÂ38 |- bgcolor="ffbbbb" | 95 || July 26 || Phillies || 4âÂÂ12 || Mulholland || Heaton || â || 24,088 || 56âÂÂ39 |- bgcolor="ffbbbb" | 96 || July 27 || Phillies || 3âÂÂ5 || Cook || Reed || Boever || 29,117 || 56âÂÂ40 |- bgcolor="ffbbbb" | 97 || July 28 || Phillies || 3âÂÂ4 || Parrett || Landrum || Boever || 37,022 || 56âÂÂ41 |- bgcolor="ccffcc" | 98 || July 29 || Phillies || 2âÂÂ1 || Drabek || Combs || â || 33,018 || 57âÂÂ41 |- bgcolor="ccffcc" | 99 || July 31 || @ Cubs || 9âÂÂ1 || Patterson || Boskie || â || 35,126 || 58âÂÂ41 |-
|- bgcolor="ffbbbb" | 100 || August 1 || @ Cubs || 0âÂÂ5 || Maddux || Reed || â || 34,542 || 58âÂÂ42 |- bgcolor="ccffcc" | 101 || August 2 || @ Cubs || 8âÂÂ5 || Smiley || Wilson || Walk || 34,493 || 59âÂÂ42 |- bgcolor="ccffcc" | 102 || August 3 || @ Phillies || 11âÂÂ0 || Drabek || Ruffin || â || 36,057 || 60âÂÂ42 |- bgcolor="ccffcc" | 103 || August 4 || @ Phillies || 3âÂÂ1 <small>(10)</small> || Patterson || McDowell || Power || 45,305 || 61âÂÂ42 |- bgcolor="ffbbbb" | 104 || August 5 || @ Phillies || 6âÂÂ8 || Carman || Ruskin || Boever || 40,142 || 61âÂÂ43 |- bgcolor="ccffcc" | 105 || August 6 || @ Phillies || 10âÂÂ1 || Tomlin || Mulholland || â || || 62âÂÂ43 |- bgcolor="ccffcc" | 106 || August 6 || @ Phillies || 4âÂÂ3 <small>(10)</small> || Landrum || McDowell || â || 30,827 || 63âÂÂ43 |- bgcolor="ccffcc" | 107 || August 7 || Expos || 4âÂÂ3 <small>(12)</small> || Ross || Mohorcic || â || 23,666 || 64âÂÂ43 |- bgcolor="ffbbbb" | 108 || August 8 || Expos || 2âÂÂ6 || Martinez || Drabek || â || 21,180 || 64âÂÂ44 |- bgcolor="ffbbbb" | 109 || August 9 || Expos || 6âÂÂ7 <small>(10)</small> || Frey || Landrum || Sampen || 21,499 || 64âÂÂ45 |- bgcolor="ffbbbb" | 110 || || <span style="color:black">Cardinals</span> || 3âÂÂ8 || Dayley || Kramer || â || 23,701 || 64âÂÂ46 |- bgcolor="ffbbbb" | 111 || || <span style="color:black">Cardinals</span> || 2âÂÂ3 || Magrane || Tomlin || Smith || 46,720 || 64âÂÂ47 |- bgcolor="ffbbbb" | 112 || || <span style="color:black">Cardinals</span> || 0âÂÂ6 || Tewksbury || Smiley || â || 30,335 || 64âÂÂ48 |- bgcolor="ccffcc" | 113 || || <span style="color:black">Braves</span> || 3âÂÂ1 || Drabek || Leibrandt || â || || 65âÂÂ48 |- bgcolor="ccffcc" | 114 || || <span style="color:black">Braves</span> || 6âÂÂ4 || Smith || Avery || Patterson || 25,542 || 66âÂÂ48 |- bgcolor="ffbbbb" | 115 || || <span style="color:black">Braves</span> || 1âÂÂ8 || Castillo || Heaton || â || 16,063 || 66âÂÂ49 |- bgcolor="ccffcc" | 116 || || <span style="color:black">Braves</span> || 4âÂÂ3 || Kipper || Mercker || â || 19,304 || 67âÂÂ49 |- bgcolor="ccffcc" | 117 || August 17 || @ Reds || 7âÂÂ1 || York || Rijo || â || || 68âÂÂ49 |- bgcolor="ccffcc" | 118 || August 17 || @ Reds || 4âÂÂ3 || Smiley || Layana || Belinda || 48,964 || 69âÂÂ49 |- bgcolor="ccffcc" | 119 || August 18 || @ Reds || 3âÂÂ1 || Smith || Hammond || Kipper || 35,263 || 70âÂÂ49 |- bgcolor="ccffcc" | 120 || August 19 || @ Reds || 6âÂÂ3 || Drabek || Armstrong || Belinda || 36,549 || 71âÂÂ49 |- bgcolor="ccffcc" | 121 || August 20 || Astros || 7âÂÂ1 || Heaton || Deshaies || â || 20,997 || 72âÂÂ49 |- bgcolor="ffbbbb" | 122 || August 21 || Astros || 1âÂÂ2 || Darwin || Patterson || â || 14,062 || 72âÂÂ50 |- bgcolor="ccffcc" | 123 || August 22 || Astros || 4âÂÂ2 || Smiley || Gullickson || Landrum || 29,420 || 73âÂÂ50 |- bgcolor="ccffcc" | 124 || August 23 || Reds || 9âÂÂ3 || Smith || Hammond || â || 26,181 || 74âÂÂ50 |- bgcolor="ffbbbb" | 125 || August 24 || Reds || 3âÂÂ4 || Dibble || Kipper || Myers || 48,205 || 74âÂÂ51 |- bgcolor="ffbbbb" | 126 || August 25 || Reds || 1âÂÂ6 || Charlton || Belinda || â || 43,679 || 74âÂÂ52 |- bgcolor="ffbbbb" | 127 || August 26 || Reds || 2âÂÂ6 || Mahler || Tomlin || Dibble || 43,174 || 74âÂÂ53 |- bgcolor="ffbbbb" | 128 || || <span style="color:black">@</span> <span style="color:black">Braves</span> || 0âÂÂ9 || Leibrandt || Smiley || â || 5,872 || 74âÂÂ54 |- bgcolor="ccffcc" | 129 || || <span style="color:black">@</span> <span style="color:black">Braves</span> || 10âÂÂ0 <small>(7)</small> || Drabek || Avery || â || 5,403 || 75âÂÂ54 |- bgcolor="ffbbbb" | 130 || August 31 || @ Astros || 2âÂÂ3 || Agosto || Patterson || â || 10,892 || 75âÂÂ55 |-
|- bgcolor="ffbbbb" | 131 || September 1 || @ Astros || 1âÂÂ2 <small>(10)</small> || Smith || Power || â || 16,422 || 75âÂÂ56 |- bgcolor="ccffcc" | 132 || September 2 || @ Astros || 7âÂÂ6 || Smiley || Darwin || Kipper || 16,598 || 76âÂÂ56 |- bgcolor="ccffcc" | 133 || September 3 || Phillies || 4âÂÂ1 || Drabek || Ruffin || â || 23,854 || 77âÂÂ56 |- bgcolor="ccffcc" | 134 || September 4 || Phillies || 11âÂÂ7 || Landrum || Akerfelds || Patterson || 16,858 || 78âÂÂ56 |- bgcolor="ccffcc" | 135 || September 5 || Mets || 1âÂÂ0 || Smith || Franco || â || || 79âÂÂ56 |- bgcolor="ccffcc" | 136 || September 5 || Mets || 3âÂÂ1 || Heaton || Ojeda || Power || 49,793 || 80âÂÂ56 |- bgcolor="ccffcc" | 137 || September 6 || Mets || 7âÂÂ1 || Tomlin || Valera || â || 32,528 || 81âÂÂ56 |- bgcolor="ffbbbb" | 138 || September 7 || Expos || 1âÂÂ4 || Boyd || Smiley || Burke || 22,083 || 81âÂÂ57 |- bgcolor="ccffcc" | 139 || September 8 || Expos || 6âÂÂ1 || Drabek || Farmer || â || 44,614 || 82âÂÂ57 |- bgcolor="ffbbbb" | 140 || September 9 || Expos || 5âÂÂ9 || Rojas || Walk || â || 22,023 || 82âÂÂ58 |- bgcolor="ccffcc" | 141 || September 10 || @ Phillies || 3âÂÂ2 || Belinda || Boever || â || 18,970 || 83âÂÂ58 |- bgcolor="ccffcc" | 142 || September 11 || @ Phillies || 5âÂÂ1 || Tomlin || Grimsley || â || 20,289 || 84âÂÂ58 |- bgcolor="ffbbbb" | 143 || September 12 || @ Mets || 1âÂÂ2 || Cone || Smiley || â || 48,375 || 84âÂÂ59 |- bgcolor="ffbbbb" | 144 || September 13 || @ Mets || 3âÂÂ6 || Gooden || Drabek || Franco || 51,079 || 84âÂÂ60 |- bgcolor="ffbbbb" | 145 || September 14 || @ Expos || 2âÂÂ4 || Frey || Heaton || â || 15,880 || 84âÂÂ61 |- bgcolor="ffbbbb" | 146 || September 15 || @ Expos || 3âÂÂ4 || Sampen || Smith || Burke || 20,392 || 84âÂÂ62 |- bgcolor="ffbbbb" | 147 || September 16 || @ Expos || 1âÂÂ4 || Ruskin || Tomlin || Frey || 21,286 || 84âÂÂ63 |- bgcolor="ffbbbb" | 148 || September 18 || @ Cubs || 5âÂÂ8 || Maddux || Smiley || â || 23,168 || 84âÂÂ64 |- bgcolor="ccffcc" | 149 || September 19 || @ Cubs || 8âÂÂ7 || Drabek || Sutcliffe || Patterson || 13,058 || 85âÂÂ64 |- bgcolor="ccffcc" | 150 || September 20 || @ Cubs || 11âÂÂ2 || Walk || Kramer || Palacios || 14,926 || 86âÂÂ64 |- bgcolor="ccffcc" | 151 || || <span style="color:black">Cardinals</span> || 1âÂÂ0 || Smith || DeLeon || â || 29,048 || 87âÂÂ64 |- bgcolor="ffbbbb" | 152 || || <span style="color:black">Cardinals</span> || 2âÂÂ3 || Hill || Tomlin || Smith || 22,895 || 87âÂÂ65 |- bgcolor="ccffcc" | 153 || || <span style="color:black">Cardinals</span> || 7âÂÂ2 || Smiley || Tewksbury || Palacios || 30,635 || 88âÂÂ65 |- bgcolor="ccffcc" | 154 || September 25 || Cubs || 5âÂÂ3 || Drabek || Wilson || â || 21,644 || 89âÂÂ65 |- bgcolor="ccffcc" | 155 || September 26 || Cubs || 4âÂÂ3 || Smith || Coffman || â || 26,157 || 90âÂÂ65 |- bgcolor="ccffcc" | 156 || September 27 || Cubs || 3âÂÂ2 || Tomlin || Bielecki || Palacios || 25,049 || 91âÂÂ65 |- bgcolor="ccffcc" | 157 || || <span style="color:black">@</span> <span style="color:black">Cardinals</span> || 6âÂÂ4 || Landrum || Hill || Belinda || 24,837 || 92âÂÂ65 |- bgcolor="ccffcc" | 158 || || <span style="color:black">@</span> <span style="color:black">Cardinals</span> || 8âÂÂ0 || Walk || Tewksbury || â || 23,571 || 93âÂÂ65 |- bgcolor="ccffcc" | 159 || || <span style="color:black">@</span> <span style="color:black">Cardinals</span> || 2âÂÂ0 || Drabek || Magrane || â || 32,672 || 94âÂÂ65 |-
|- bgcolor="ffbbbb" | 160 || October 1 || Mets || 1âÂÂ4 || Cone || Smith || â || 50,393 || 94âÂÂ66 |- bgcolor="ccffcc" | 161 || October 2 || Mets || 9âÂÂ4 || Landrum || Gooden || â || 50,028 || 95âÂÂ66 |- bgcolor="ffbbbb" | 162 || October 3 || Mets || 3âÂÂ6 || Viola || York || Pena || 27,641 || 95âÂÂ67 |-
|- | Legend: = Win = Loss = Postponement<br>Bold = Pirates team member
1990 Major League Baseball All-Star Game
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
<small>LEAGUE CHAMPIONS: DSL Pirates</small>