The 1883 Pittsburgh Alleghenys season was the second season of the Pittsburgh Alleghenys franchise. The Alleghenys finished seventh in the American Association with a record of 31âÂÂ67.
|- style="background:#fbb;" | 1 || Tuesday, May 1 || Philadelphia Athletics || 0âÂÂ4 || 0âÂÂ1 |- style="background:#fbb;" | 2 || Wednesday, May 2 || Philadelphia Athletics || 1âÂÂ8 || 0âÂÂ2 |- style="background:#fbb;" | 3 || Monday, May 7 || New York Metropolitans || 5âÂÂ8 || 0âÂÂ3 |- style="background:#fbb;" | 4 || Tuesday, May 8 || New York Metropolitans || 7âÂÂ10 || 0âÂÂ4 |- style="background:#cfc;" | 5 || Wednesday, May 9 || New York Metropolitans || 18âÂÂ3 || 1âÂÂ4 |- style="background:#fbb;" | 6 || Thursday, May 10 || Baltimore Orioles || 3âÂÂ4 || 1âÂÂ5 |- style="background:#cfc;" | 7 || Friday, May 11 || Baltimore Orioles || 7âÂÂ6 || 2âÂÂ5 |- style="background:#fbb;" | 8 || Saturday, May 12 || Baltimore Orioles || 3âÂÂ6 || 2âÂÂ6 |- style="background:#fbb;" | 9 || Tuesday, May 15 || @ New York Metropolitans || 2âÂÂ6 || 2âÂÂ7 |- style="background:#cfc;" | 10 || Wednesday, May 16 || @ New York Metropolitans || 3âÂÂ2 || 3âÂÂ7 |- style="background:#fbb;" | 11 || Thursday, May 17 || @ New York Metropolitans || 3âÂÂ7 || 3âÂÂ8 |- style="background:#fbb;" | 12 || Saturday, May 19 || @ Philadelphia Athletics || 8âÂÂ11 || 3âÂÂ9 |- style="background:#fbb;" | 13 || Monday, May 21 || @ Philadelphia Athletics || 1âÂÂ4 || 3âÂÂ10 |- style="background:#fbb;" | 14 || Tuesday, May 22 || @ Philadelphia Athletics || 1âÂÂ9 || 3âÂÂ11 |- style="background:#cfc;" | 15 || Thursday, May 24 || @ Baltimore Orioles || 16âÂÂ4 || 4âÂÂ11 |- style="background:#cfc;" | 16 || Friday, May 25 || @ Baltimore Orioles || 15âÂÂ6 || 5âÂÂ11 |- style="background:#cfc;" | 17 || Saturday, May 26 || @ Baltimore Orioles || 7âÂÂ5 || 6âÂÂ11 |- style="background:#fbb;" | 18 || Tuesday, May 29 || St. Louis Browns || 5âÂÂ10 || 6âÂÂ12 |- style="background:#fbb;" | 19 || Wednesday, May 30 || St. Louis Browns || 2âÂÂ4 || 6âÂÂ13 |- style="background:#cfc;" | 20 || Wednesday, May 30 || St. Louis Browns || 10âÂÂ4 || 7âÂÂ13 |-
|- style="background:#cfc;" | 21 || Saturday, Jun 2 || Cincinnati Red Stockings || 10âÂÂ9 || 8âÂÂ13 |- style="background:#fbb;" | 22 || Monday, Jun 4 || Cincinnati Red Stockings || 8âÂÂ12 || 8âÂÂ14 |- style="background:#fbb;" | 23 || Tuesday, Jun 5 || Cincinnati Red Stockings || 2âÂÂ3 || 8âÂÂ15 |- style="background:#cfc;" | 24 || Thursday, Jun 7 || Louisville Eclipse || 10âÂÂ0 || 9âÂÂ15 |- style="background:#cfc;" | 25 || Friday, Jun 8 || Louisville Eclipse || 18âÂÂ6 || 10âÂÂ15 |- style="background:#fbb;" | 26 || Saturday, Jun 9 || Louisville Eclipse || 1âÂÂ3 || 10âÂÂ16 |- style="background:#fbb;" | 27 || Tuesday, Jun 12 || Columbus Buckeyes || 5âÂÂ6 || 10âÂÂ17 |- style="background:#fbb;" | 28 || Thursday, Jun 14 || Columbus Buckeyes || 10âÂÂ23 || 10âÂÂ18 |- style="background:#fbb;" | 29 || Friday, Jun 15 || Columbus Buckeyes || 8âÂÂ11 || 10âÂÂ19 |- style="background:#cfc;" | 30 || Monday, Jun 18 || @ Columbus Buckeyes || 5âÂÂ4 || 11âÂÂ19 |- style="background:#fbb;" | 31 || Tuesday, Jun 19 || @ Columbus Buckeyes || 2âÂÂ5 || 11âÂÂ20 |- style="background:#cfc;" | 32 || Wednesday, Jun 20 || @ Columbus Buckeyes || 11âÂÂ4 || 12âÂÂ20 |- style="background:#fbb;" | 33 || Friday, Jun 22 || @ Columbus Buckeyes || 8âÂÂ10 || 12âÂÂ21 |- style="background:#fbb;" | 34 || Saturday, Jun 23 || @ Cincinnati Red Stockings || 2âÂÂ7 || 12âÂÂ22 |- style="background:#cfc;" | 35 || Monday, Jun 25 || @ Cincinnati Red Stockings || 2âÂÂ1 || 13âÂÂ22 |- style="background:#cfc;" | 36 || Tuesday, Jun 26 || @ Cincinnati Red Stockings || 4âÂÂ1 || 14âÂÂ22 |- style="background:#fbb;" | 37 || Thursday, Jun 28 || @ Louisville Eclipse || 4âÂÂ9 || 14âÂÂ23 |- style="background:#fbb;" | 38 || Saturday, Jun 30 || @ Louisville Eclipse || 7âÂÂ8 || 14âÂÂ24 |-
|- style="background:#fbb;" | 39 || Sunday, Jul 1 || @ Louisville Eclipse || 0âÂÂ14 || 14âÂÂ25 |- style="background:#fbb;" | 40 || Monday, Jul 2 || @ Louisville Eclipse || 4âÂÂ10 || 14âÂÂ26 |- style="background:#fbb;" | 41 || Wednesday, Jul 4 || @ St. Louis Browns || 2âÂÂ8 || 14âÂÂ27 |- style="background:#fbb;" | 42 || Wednesday, Jul 4 || @ St. Louis Browns || 2âÂÂ3 || 14âÂÂ28 |- style="background:#fbb;" | 43 || Friday, Jul 6 || @ St. Louis Browns || 1âÂÂ4 || 14âÂÂ29 |- style="background:#fbb;" | 44 || Sunday, Jul 8 || @ St. Louis Browns || 2âÂÂ5 || 14âÂÂ30 |- style="background:#cfc;" | 45 || Tuesday, Jul 10 || Philadelphia Athletics || 11âÂÂ4 || 15âÂÂ30 |- style="background:#fbb;" | 46 || Wednesday, Jul 11 || Philadelphia Athletics || 3âÂÂ12 || 15âÂÂ31 |- style="background:#cfc;" | 47 || Thursday, Jul 12 || Philadelphia Athletics || 9âÂÂ1 || 16âÂÂ31 |- style="background:#fbb;" | 48 || Friday, Jul 13 || Philadelphia Athletics || 1âÂÂ4 || 16âÂÂ32 |- style="background:#fbb;" | 49 || Saturday, Jul 14 || Philadelphia Athletics || 2âÂÂ3 || 16âÂÂ33 |- style="background:#cfc;" | 50 || Tuesday, Jul 17 || New York Metropolitans || 7âÂÂ6 || 17âÂÂ33 |- style="background:#fbb;" | 51 || Wednesday, Jul 18 || New York Metropolitans || 1âÂÂ9 || 17âÂÂ34 |- style="background:#cfc;" | 52 || Thursday, Jul 19 || New York Metropolitans || 6âÂÂ1 || 18âÂÂ34 |- style="background:#fbb;" | 53 || Friday, Jul 20 || New York Metropolitans || 9âÂÂ10 || 18âÂÂ35 |- style="background:#cfc;" | 54 || Monday, Jul 23 || @ Baltimore Orioles || 12âÂÂ4 || 19âÂÂ35 |- style="background:#fbb;" | 55 || Wednesday, Jul 25 || @ Baltimore Orioles || 9âÂÂ13 || 19âÂÂ36 |- style="background:#cfc;" | 56 || Thursday, Jul 26 || @ Baltimore Orioles || 11âÂÂ8 || 20âÂÂ36 |- style="background:#fbb;" | 57 || Friday, Jul 27 || @ Baltimore Orioles || 8âÂÂ21 || 20âÂÂ37 |- style="background:#fbb;" | 58 || Saturday, Jul 28 || @ Philadelphia Athletics || 2âÂÂ11 || 20âÂÂ38 |- style="background:#fbb;" | 59 || Monday, Jul 30 || @ Philadelphia Athletics || 4âÂÂ17 || 20âÂÂ39 |- style="background:#fbb;" | 60 || Tuesday, Jul 31 || @ Philadelphia Athletics || 12âÂÂ16 || 20âÂÂ40 |-
|- style="background:#fbb;" | 61 || Wednesday, Aug 1 || @ Philadelphia Athletics || 2âÂÂ19 || 20âÂÂ41 |- style="background:#cfc;" | 62 || Friday, Aug 3 || @ New York Metropolitans || 4âÂÂ3 || 21âÂÂ41 |- style="background:#fbb;" | 63 || Saturday, Aug 4 || @ New York Metropolitans || 6âÂÂ7 || 21âÂÂ42 |- style="background:#fbb;" | 64 || Monday, Aug 6 || @ New York Metropolitans || 3âÂÂ7 || 21âÂÂ43 |- style="background:#fbb;" | 65 || Tuesday, Aug 7 || @ New York Metropolitans || 1âÂÂ16 || 21âÂÂ44 |- style="background:#cfc;" | 66 || Thursday, Aug 9 || Baltimore Orioles || 4âÂÂ2 || 22âÂÂ44 |- style="background:#cfc;" | 67 || Friday, Aug 10 || Baltimore Orioles || 5âÂÂ4 || 23âÂÂ44 |- style="background:#cfc;" | 68 || Saturday, Aug 11 || Baltimore Orioles || 6âÂÂ4 || 24âÂÂ44 |- style="background:#fbb;" | 69 || Monday, Aug 13 || Baltimore Orioles || 3âÂÂ11 || 24âÂÂ45 |- style="background:#fbb;" | 70 || Thursday, Aug 16 || Louisville Eclipse || 1âÂÂ5 || 24âÂÂ46 |- style="background:#fbb;" | 71 || Friday, Aug 17 || Louisville Eclipse || 9âÂÂ11 || 24âÂÂ47 |- style="background:#fbb;" | 72 || Saturday, Aug 18 || Louisville Eclipse || 1âÂÂ7 || 24âÂÂ48 |- style="background:#fbb;" | 73 || Monday, Aug 20 || Louisville Eclipse || 2âÂÂ8 || 24âÂÂ49 |- style="background:#fbb;" | 74 || Wednesday, Aug 22 || St. Louis Browns || 3âÂÂ6 || 24âÂÂ50 |- style="background:#fbb;" | 75 || Thursday, Aug 23 || St. Louis Browns || 7âÂÂ10 || 24âÂÂ51 |- style="background:#fbb;" | 76 || Friday, Aug 24 || St. Louis Browns || 4âÂÂ15 || 24âÂÂ52 |- style="background:#cfc;" | 77 || Saturday, Aug 25 || St. Louis Browns || 7âÂÂ3 || 25âÂÂ52 |- style="background:#fbb;" | 78 || Tuesday, Aug 28 || Columbus Buckeyes || 0âÂÂ4 || 25âÂÂ53 |- style="background:#fbb;" | 79 || Wednesday, Aug 29 || Columbus Buckeyes || 6âÂÂ10 || 25âÂÂ54 |- style="background:#cfc;" | 80 || Thursday, Aug 30 || Columbus Buckeyes || 14âÂÂ4 || 26âÂÂ54 |- style="background:#fbb;" | 81 || Friday, Aug 31 || Columbus Buckeyes || 0âÂÂ2 || 26âÂÂ55 |-
|- style="background:#cfc;" | 82 || Monday, Sep 3 || Cincinnati Red Stockings || 4âÂÂ3 || 27âÂÂ55 |- style="background:#fbb;" | 83 || Tuesday, Sep 4 || Cincinnati Red Stockings || 7âÂÂ9 || 27âÂÂ56 |- style="background:#cfc;" | 84 || Wednesday, Sep 5 || Cincinnati Red Stockings || 15âÂÂ9 || 28âÂÂ56 |- style="background:#cfc;" | 85 || Thursday, Sep 6 || Cincinnati Red Stockings || 12âÂÂ4 || 29âÂÂ56 |- style="background:#fbb;" | 86 || Monday, Sep 10 || @ Cincinnati Red Stockings || 6âÂÂ12 || 29âÂÂ57 |- style="background:#fbb;" | 87 || Tuesday, Sep 11 || @ Cincinnati Red Stockings || 2âÂÂ7 || 29âÂÂ58 |- style="background:#fbb;" | 88 || Wednesday, Sep 12 || @ Cincinnati Red Stockings || 5âÂÂ27 || 29âÂÂ59 |- style="background:#fbb;" | 89 || Thursday, Sep 13 || @ Cincinnati Red Stockings || 2âÂÂ8 || 29âÂÂ60 |- style="background:#cfc;" | 90 || Saturday, Sep 15 || @ Columbus Buckeyes || 7âÂÂ3 || 30âÂÂ60 |- style="background:#fbb;" | 91 || Sunday, Sep 16 || @ Columbus Buckeyes || 1âÂÂ5 || 30âÂÂ61 |- style="background:#fbb;" | 92 || Wednesday, Sep 19 || @ Columbus Buckeyes || 3âÂÂ8 || 30âÂÂ62 |- style="background:#cfc;" | 93 || Friday, Sep 21 || @ Louisville Eclipse || 7âÂÂ5 || 31âÂÂ62 |- style="background:#fbb;" | 94 || Saturday, Sep 22 || @ Louisville Eclipse || 4âÂÂ5 || 31âÂÂ63 |- style="background:#fbb;" | 95 || Sunday, Sep 23 || @ Louisville Eclipse || 0âÂÂ4 || 31âÂÂ64 |- style="background:#fbb;" | 96 || Wednesday, Sep 26 || @ St. Louis Browns || 3âÂÂ20 || 31âÂÂ65 |- style="background:#fbb;" | 97 || Thursday, Sep 27 || @ St. Louis Browns || 2âÂÂ6 || 31âÂÂ66 |- style="background:#fbb;" | 98 || Sunday, Sep 30 || @ St. Louis Browns || 3âÂÂ6 || 31âÂÂ67 |-
|- style="text-align:center;" | Legend: = Win = Loss
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