The 1959 Major League Baseball season saw the Pittsburgh Pirates finish in fourth place in the National League at 78–76, nine games behind the NL and World Series Champion Los Angeles Dodgers. The Pirates set the record for most extra innings victories in a season, winning 19 of their 21 extra inning games.
|- bgcolor="ffbbbb" | 1 || April 9 || @ Reds || 1âÂÂ4 || Purkey || Kline (0âÂÂ1) || â || 32,190 || 0âÂÂ1 |- bgcolor="ffbbbb" | 2 || April 10 || Braves || 0âÂÂ8 || Spahn || Friend (0âÂÂ1) || â || 33,317 || 0âÂÂ2 |- bgcolor="ffbbbb" | 3 || April 11 || Braves || 3âÂÂ4 || Burdette || Law (0âÂÂ1) || â || 11,800 || 0âÂÂ3 |- bgcolor="ffbbbb" | 4 || April 14 || @ Reds || 2âÂÂ3 || Purkey || Witt (0âÂÂ1) || â || 7,631 || 0âÂÂ4 |- bgcolor="ffbbbb" | 5 || April 15 || @ Reds || 5âÂÂ10 || Nuxhall || Friend (0âÂÂ2) || Mabe || 3,228 || 0âÂÂ5 |- bgcolor="ffffff" | 6 || April 17 || @ Braves || 2âÂÂ2 || || || â || 8,562 || 0âÂÂ5 |- bgcolor="ccffcc" | 7 || April 18 || @ Braves || 11âÂÂ5 || Law (1âÂÂ1) || Buhl || â || 15,703 || 1âÂÂ5 |- bgcolor="ccffcc" | 8 || April 22 || Reds || 9âÂÂ8 || Face (1âÂÂ0) || Pena || â || 16,038 || 2âÂÂ5 |- bgcolor="ffbbbb" | 9 || April 23 || Reds || 2âÂÂ5 || Lawrence || Witt (0âÂÂ2) || â || 18,819 || 2âÂÂ6 |- bgcolor="ccffcc" | 10 || April 24 || @ Phillies || 8âÂÂ5 || Face (2âÂÂ0) || Schroll || â || 15,675 || 3âÂÂ6 |- bgcolor="ccffcc" | 11 || April 25 || @ Phillies || 4âÂÂ2 || Haddix (1âÂÂ0) || Morehead || â || 6,678 || 4âÂÂ6 |- bgcolor="ccffcc" | 12 || April 26 || @ Phillies || 9âÂÂ2 || Law (2âÂÂ1) || Cardwell || â || || 5âÂÂ6 |- bgcolor="ffbbbb" | 13 || April 26 || @ Phillies || 5âÂÂ10 || Meyer || Friend (0âÂÂ3) || â || 19,266 || 5âÂÂ7 |- bgcolor="ffbbbb" | 14 || April 27 || Dodgers || 3âÂÂ9 || Drysdale || Witt (0âÂÂ3) || â || 10,689 || 5âÂÂ8 |- bgcolor="ccffcc" | 15 || April 29 || Giants || 3âÂÂ2 || Kline (1âÂÂ1) || Antonelli || â || 19,799 || 6âÂÂ8 |-
|- bgcolor="ffbbbb" | 16 || May 1 || Cardinals || 6âÂÂ7 || Mizell || Friend (0âÂÂ4) || Brosnan || 18,950 || 6âÂÂ9 |- bgcolor="ccffcc" | 17 || May 2 || Cardinals || 2âÂÂ1 || Haddix (2âÂÂ0) || McDaniel || â || 10,758 || 7âÂÂ9 |- bgcolor="ccffcc" | 18 || May 3 || Cardinals || 4âÂÂ3 <small>(10)</small> || Face (3âÂÂ0) || Brosnan || â || || 8âÂÂ9 |- bgcolor="ffbbbb" | 19 || May 3 || Cardinals || 1âÂÂ3 || Blaylock || Daniels (0âÂÂ1) || McDaniel || 26,080 || 8âÂÂ10 |- bgcolor="ccffcc" | 20 || May 4 || Cubs || 2âÂÂ1 || Kline (2âÂÂ1) || Anderson || Face (1) || 14,421 || 9âÂÂ10 |- bgcolor="ffbbbb" | 21 || May 5 || Cubs || 3âÂÂ6 || Hobbie || Friend (0âÂÂ5) || â || 17,429 || 9âÂÂ11 |- bgcolor="ffbbbb" | 22 || May 6 || Cubs || 0âÂÂ3 || Hillman || Haddix (2âÂÂ1) || â || 5,860 || 9âÂÂ12 |- bgcolor="ccffcc" | 23 || May 7 || Phillies || 5âÂÂ4 <small>(10)</small> || Face (4âÂÂ0) || Owens || â || 10,358 || 10âÂÂ12 |- bgcolor="ffbbbb" | 24 || May 8 || Phillies || 1âÂÂ8 || Conley || Witt (0âÂÂ4) || Farrell || 17,691 || 10âÂÂ13 |- bgcolor="ccffcc" | 25 || May 9 || Phillies || 9âÂÂ1 || Kline (3âÂÂ1) || Gomez || â || 9,633 || 11âÂÂ13 |- bgcolor="ffbbbb" | 26 || May 10 || Phillies || 3âÂÂ6 || Roberts || Friend (0âÂÂ6) || Farrell || || 11âÂÂ14 |- bgcolor="ccffcc" | 27 || May 10 || Phillies || 7âÂÂ6 || Haddix (3âÂÂ1) || Hearn || Face (2) || 23,549 || 12âÂÂ14 |- bgcolor="ffbbbb" | 28 || May 11 || @ Giants || 4âÂÂ14 || Sanford || Daniels (0âÂÂ2) || â || 13,789 || 12âÂÂ15 |- bgcolor="ccffcc" | 29 || May 12 || @ Giants || 6âÂÂ5 <small>(12)</small> || Daniels (1âÂÂ2) || Jones || â || 8,084 || 13âÂÂ15 |- bgcolor="ccffcc" | 30 || May 13 || @ Dodgers || 6âÂÂ4 || Face (5âÂÂ0) || Drysdale || â || 16,718 || 14âÂÂ15 |- bgcolor="ccffcc" | 31 || May 14 || @ Dodgers || 7âÂÂ6 || Face (6âÂÂ0) || Labine || â || 15,416 || 15âÂÂ15 |- bgcolor="ffbbbb" | 32 || May 16 || @ Cubs || 2âÂÂ3 || Elston || Haddix (3âÂÂ2) || â || 10,496 || 15âÂÂ16 |- bgcolor="ccffcc" | 33 || May 17 || @ Cubs || 5âÂÂ4 || Law (3âÂÂ1) || Anderson || Face (3) || || 16âÂÂ16 |- bgcolor="ffbbbb" | 34 || May 17 || @ Cubs || 6âÂÂ7 || Hobbie || Daniels (1âÂÂ3) || Henry || 32,017 || 16âÂÂ17 |- bgcolor="ffbbbb" | 35 || May 19 || @ Cardinals || 2âÂÂ8 || Jackson || Kline (3âÂÂ2) || â || 8,470 || 16âÂÂ18 |- bgcolor="ffbbbb" | 36 || May 20 || @ Cardinals || 1âÂÂ11 || Mizell || Friend (0âÂÂ7) || â || 8,555 || 16âÂÂ19 |- bgcolor="ccffcc" | 37 || May 21 || @ Cardinals || 7âÂÂ2 || Haddix (4âÂÂ2) || McDaniel || â || 8,141 || 17âÂÂ19 |- bgcolor="ccffcc" | 38 || May 22 || Reds || 4âÂÂ3 || Law (4âÂÂ1) || Jeffcoat || â || 27,675 || 18âÂÂ19 |- bgcolor="ccffcc" | 39 || May 23 || Reds || 6âÂÂ5 || Daniels (2âÂÂ3) || Pena || Blackburn (1) || 13,119 || 19âÂÂ19 |- bgcolor="ccffcc" | 40 || May 24 || Reds || 2âÂÂ1 || Kline (4âÂÂ2) || Lawrence || â || || 20âÂÂ19 |- bgcolor="ccffcc" | 41 || May 24 || Reds || 5âÂÂ4 <small>(10)</small> || Blackburn (1âÂÂ0) || Purkey || â || 32,273 || 21âÂÂ19 |- bgcolor="ffbbbb" | 42 || May 26 || @ Braves || 0âÂÂ1 <small>(13)</small> || Burdette || Haddix (4âÂÂ3) || â || 19,194 || 21âÂÂ20 |- bgcolor="ffbbbb" | 43 || May 27 || @ Braves || 3âÂÂ4 || Spahn || Law (4âÂÂ2) || McMahon || 17,721 || 21âÂÂ21 |- bgcolor="ccffcc" | 44 || May 28 || @ Braves || 3âÂÂ0 || Friend (1âÂÂ7) || Jay || â || 12,635 || 22âÂÂ21 |- bgcolor="ffbbbb" | 45 || May 29 || @ Reds || 5âÂÂ8 || Mabe || Kline (4âÂÂ3) || Acker || 18,958 || 22âÂÂ22 |- bgcolor="ccffcc" | 46 || May 30 || @ Reds || 3âÂÂ1 || Daniels (3âÂÂ3) || O'Toole || Face (4) || 8,613 || 23âÂÂ22 |- bgcolor="ccffcc" | 47 || May 31 || @ Reds || 6âÂÂ2 || Law (5âÂÂ2) || Purkey || â || || 24âÂÂ22 |- bgcolor="ccffcc" | 48 || May 31 || @ Reds || 14âÂÂ11 || Face (7âÂÂ0) || Mabe || â || 17,847 || 25âÂÂ22 |-
|- bgcolor="ccffcc" | 49 || June 2 || Cardinals || 3âÂÂ0 || Haddix (5âÂÂ3) || Jackson || â || 28,644 || 26âÂÂ22 |- bgcolor="ccffcc" | 50 || June 3 || Cardinals || 5âÂÂ3 || Friend (2âÂÂ7) || Mizell || Face (5) || 16,857 || 27âÂÂ22 |- bgcolor="ccffcc" | 51 || June 4 || Cardinals || 9âÂÂ3 || Kline (5âÂÂ3) || Broglio || â || 7,555 || 28âÂÂ22 |- bgcolor="ffbbbb" | 52 || June 5 || Cubs || 5âÂÂ10 || Hobbie || Law (5âÂÂ3) || Elston || 27,335 || 28âÂÂ23 |- bgcolor="ffbbbb" | 53 || June 6 || Cubs || 2âÂÂ8 || Drabowsky || Daniels (3âÂÂ4) || â || 12,953 || 28âÂÂ24 |- bgcolor="ffbbbb" | 54 || June 7 || Cubs || 2âÂÂ4 || Buzhardt || Haddix (5âÂÂ4) || Henry || || 28âÂÂ25 |- bgcolor="ffbbbb" | 55 || June 7 || Cubs || 0âÂÂ1 || Singleton || Friend (2âÂÂ8) || Elston || 32,078 || 28âÂÂ26 |- bgcolor="ccffcc" | 56 || June 8 || Giants || 12âÂÂ9 <small>(11)</small> || Face (8âÂÂ0) || McCormick || â || 19,080 || 29âÂÂ26 |- bgcolor="ffbbbb" | 57 || June 9 || Giants || 2âÂÂ6 || Antonelli || Law (5âÂÂ4) || â || 24,272 || 29âÂÂ27 |- bgcolor="ffbbbb" | 58 || June 10 || Giants || 7âÂÂ11 || Jones || Witt (0âÂÂ5) || Miller || 24,317 || 29âÂÂ28 |- bgcolor="ccffcc" | 59 || June 11 || Giants || 12âÂÂ9 || Face (9âÂÂ0) || Miller || Law (1) || 9,444 || 30âÂÂ28 |- bgcolor="ffbbbb" | 60 || June 12 || Dodgers || 6âÂÂ9 || McDevitt || Daniels (3âÂÂ5) || Erskine || 27,970 || 30âÂÂ29 |- bgcolor="ccffcc" | 61 || June 13 || Dodgers || 5âÂÂ3 || Kline (6âÂÂ3) || Fowler || â || 11,944 || 31âÂÂ29 |- bgcolor="ccffcc" | 62 || June 14 || Dodgers || 6âÂÂ3 || Face (10âÂÂ0) || Labine || â || || 32âÂÂ29 |- bgcolor="ccffcc" | 63 || June 14 || Dodgers || 5âÂÂ2 || Law (6âÂÂ4) || Erskine || â || 30,082 || 33âÂÂ29 |- bgcolor="ccffcc" | 64 || June 16 || @ Cubs || 5âÂÂ2 || Friend (3âÂÂ8) || Hillman || Face (6) || 10,391 || 34âÂÂ29 |- bgcolor="ffbbbb" | 65 || June 17 || @ Cubs || 2âÂÂ5 || Henry || Haddix (5âÂÂ5) || â || 10,230 || 34âÂÂ30 |- bgcolor="ccffcc" | 66 || June 18 || @ Cubs || 4âÂÂ2 <small>(13)</small> || Face (11âÂÂ0) || Henry || â || 7,562 || 35âÂÂ30 |- bgcolor="ccffcc" | 67 || June 19 || @ Cardinals || 6âÂÂ0 || Law (7âÂÂ4) || Ricketts || â || 17,461 || 36âÂÂ30 |- bgcolor="ffbbbb" | 68 || June 20 || @ Cardinals || 2âÂÂ5 || Mizell || Friend (3âÂÂ9) || McDaniel || 10,698 || 36âÂÂ31 |- bgcolor="ffbbbb" | 69 || June 21 || @ Cardinals || 1âÂÂ5 || Jackson || Haddix (5âÂÂ6) || McDaniel || || 36âÂÂ32 |- bgcolor="ccffcc" | 70 || June 21 || @ Cardinals || 10âÂÂ8 || Daniels (4âÂÂ5) || Blaylock || Face (7) || 23,731 || 37âÂÂ32 |- bgcolor="ffbbbb" | 71 || June 22 || @ Giants || 1âÂÂ4 || Fisher || Kline (6âÂÂ4) || Worthington || 11,002 || 37âÂÂ33 |- bgcolor="ccffcc" | 72 || June 23 || @ Giants || 5âÂÂ1 || Law (8âÂÂ4) || Jones || â || 22,706 || 38âÂÂ33 |- bgcolor="ffbbbb" | 73 || June 24 || @ Giants || 3âÂÂ4 || McCormick || Daniels (4âÂÂ6) || â || 12,643 || 38âÂÂ34 |- bgcolor="ccffcc" | 74 || June 25 || @ Giants || 3âÂÂ1 <small>(12)</small> || Face (12âÂÂ0) || Fisher || â || 11,487 || 39âÂÂ34 |- bgcolor="ffbbbb" | 75 || June 26 || @ Dodgers || 5âÂÂ6 || Podres || Kline (6âÂÂ5) || McDevitt || 22,719 || 39âÂÂ35 |- bgcolor="ffbbbb" | 76 || June 27 || @ Dodgers || 0âÂÂ3 || Koufax || Law (8âÂÂ5) || â || 31,649 || 39âÂÂ36 |- bgcolor="ffbbbb" | 77 || June 28 || @ Dodgers || 4âÂÂ9 || McDevitt || Friend (3âÂÂ10) || Drysdale || 27,785 || 39âÂÂ37 |- bgcolor="ccffcc" | 78 || June 30 || @ Phillies || 4âÂÂ3 || Haddix (6âÂÂ6) || Roberts || Face (8) || 11,149 || 40âÂÂ37 |-
|- bgcolor="ffbbbb" | 79 || July 1 || @ Phillies || 0âÂÂ1 || Conley || Kline (6âÂÂ6) || â || 7,897 || 40âÂÂ38 |- bgcolor="ccffcc" | 80 || July 2 || Braves || 4âÂÂ3 <small>(10)</small> || Law (9âÂÂ5) || McMahon || â || 28,282 || 41âÂÂ38 |- bgcolor="ffbbbb" | 81 || July 3 || Braves || 0âÂÂ6 || Pizarro || Witt (0âÂÂ6) || â || 34,093 || 41âÂÂ39 |- bgcolor="ccffcc" | 82 || July 4 || Reds || 4âÂÂ3 || Friend (4âÂÂ10) || Nuxhall || â || 16,548 || 42âÂÂ39 |- bgcolor="ccffcc" | 83 || July 5 || Reds || 7âÂÂ5 || Haddix (7âÂÂ6) || Lawrence || Face (9) || || 43âÂÂ39 |- bgcolor="ccffcc" | 84 || July 5 || Reds || 3âÂÂ2 <small>(11)</small> || Kline (7âÂÂ6) || Pena || â || 22,622 || 44âÂÂ39 |- bgcolor="ccffcc" | 85 || July 9 || Cubs || 4âÂÂ3 <small>(10)</small> || Face (13âÂÂ0) || Henry || â || 22,080 || 45âÂÂ39 |- bgcolor="ccffcc" | 86 || July 10 || Cubs || 7âÂÂ6 <small>(11)</small> || Daniels (5âÂÂ6) || Elston || â || 25,360 || 46âÂÂ39 |- bgcolor="ffbbbb" | 87 || July 11 || Cubs || 1âÂÂ5 || Hillman || Kline (7âÂÂ7) || â || 15,110 || 46âÂÂ40 |- bgcolor="ccffcc" | 88 || July 12 || Cardinals || 6âÂÂ5 <small>(10)</small> || Face (14âÂÂ0) || McDaniel || â || || 47âÂÂ40 |- bgcolor="ffbbbb" | 89 || July 12 || Cardinals || 6âÂÂ8 <small>(10)</small> || McDaniel || Porterfield (0âÂÂ1) || â || 25,530 || 47âÂÂ41 |- bgcolor="ccffcc" | 90 || July 14 || Dodgers || 9âÂÂ1 || Law (10âÂÂ5) || Podres || â || 30,199 || 48âÂÂ41 |- bgcolor="ffbbbb" | 91 || July 15 || Dodgers || 0âÂÂ3 || Drysdale || Friend (4âÂÂ11) || â || 28,268 || 48âÂÂ42 |- bgcolor="ffbbbb" | 92 || July 17 || Giants || 1âÂÂ4 || Jones || Kline (7âÂÂ8) || â || 33,220 || 48âÂÂ43 |- bgcolor="ffbbbb" | 93 || July 18 || Giants || 3âÂÂ4 || Fisher || Haddix (7âÂÂ7) || McCormick || 20,577 || 48âÂÂ44 |- bgcolor="ccffcc" | 94 || July 19 || Giants || 3âÂÂ2 || Law (11âÂÂ5) || Miller || â || 27,992 || 49âÂÂ44 |- bgcolor="ffbbbb" | 95 || July 21 || Phillies || 2âÂÂ4 || Roberts || Friend (4âÂÂ12) || â || 25,960 || 49âÂÂ45 |- bgcolor="ffbbbb" | 96 || July 22 || Phillies || 4âÂÂ11 || Conley || Kline (7âÂÂ9) || â || 17,024 || 49âÂÂ46 |- bgcolor="ffbbbb" | 97 || July 24 || @ Braves || 0âÂÂ8 || Pizarro || Haddix (7âÂÂ8) || â || 27,708 || 49âÂÂ47 |- bgcolor="ffbbbb" | 98 || July 25 || @ Braves || 0âÂÂ3 || Burdette || Law (11âÂÂ6) || â || 25,295 || 49âÂÂ48 |- bgcolor="ffbbbb" | 99 || July 26 || @ Braves || 0âÂÂ4 || Spahn || Friend (4âÂÂ13) || â || || 49âÂÂ49 |- bgcolor="ffbbbb" | 100 || July 26 || @ Braves || 1âÂÂ2 || Buhl || Witt (0âÂÂ7) || McMahon || 39,420 || 49âÂÂ50 |- bgcolor="ffbbbb" | 101 || July 27 || @ Braves || 2âÂÂ5 || Jay || Kline (7âÂÂ10) || â || 15,817 || 49âÂÂ51 |- bgcolor="ffbbbb" | 102 || July 28 || @ Dodgers || 4âÂÂ9 || Williams || Blackburn (1âÂÂ1) || â || 23,493 || 49âÂÂ52 |- bgcolor="ffbbbb" | 103 || July 29 || @ Dodgers || 0âÂÂ2 || Craig || Law (11âÂÂ7) || â || 24,324 || 49âÂÂ53 |- bgcolor="ccffcc" | 104 || July 30 || @ Dodgers || 5âÂÂ4 <small>(12)</small> || Daniels (6âÂÂ6) || Williams || Gross (1) || 24,221 || 50âÂÂ53 |- bgcolor="ffbbbb" | 105 || July 31 || @ Giants || 3âÂÂ4 || Sanford || Haddix (7âÂÂ9) || â || 22,371 || 50âÂÂ54 |-
|- bgcolor="ffbbbb" | 106 || August 1 || @ Giants || 5âÂÂ9 || Byerly || Daniels (6âÂÂ7) || Miller || 21,567 || 50âÂÂ55 |- bgcolor="ffbbbb" | 107 || August 2 || @ Giants || 3âÂÂ5 || Antonelli || Porterfield (0âÂÂ2) || â || 22,653 || 50âÂÂ56 |- bgcolor="ccffcc" | 108 || August 4 || @ Cardinals || 7âÂÂ3 || Law (12âÂÂ7) || Gibson || â || 10,971 || 51âÂÂ56 |- bgcolor="ffbbbb" | 109 || August 5 || @ Cardinals || 0âÂÂ3 || Broglio || Friend (4âÂÂ14) || â || 8,079 || 51âÂÂ57 |- bgcolor="ccffcc" | 110 || August 6 || @ Cardinals || 18âÂÂ2 || Haddix (8âÂÂ9) || Jackson || â || 8,503 || 52âÂÂ57 |- bgcolor="ffbbbb" | 111 || August 7 || @ Cubs || 0âÂÂ4 || Drabowsky || Kline (7âÂÂ11) || â || 7,434 || 52âÂÂ58 |- bgcolor="ccffcc" | 112 || August 8 || @ Cubs || 4âÂÂ3 <small>(14)</small> || Gross (1âÂÂ0) || Donnelly || â || 5,693 || 53âÂÂ58 |- bgcolor="ccffcc" | 113 || August 9 || @ Cubs || 5âÂÂ3 <small>(10)</small> || Face (15âÂÂ0) || Elston || â || 19,138 || 54âÂÂ58 |- bgcolor="ffbbbb" | 114 || August 11 || @ Phillies || 4âÂÂ6 || Cardwell || Friend (4âÂÂ15) || Farrell || 12,127 || 54âÂÂ59 |- bgcolor="ccffcc" | 115 || August 12 || @ Phillies || 6âÂÂ2 || Haddix (9âÂÂ9) || Roberts || â || 11,163 || 55âÂÂ59 |- bgcolor="ccffcc" | 116 || August 14 || Braves || 2âÂÂ1 || Law (13âÂÂ7) || Jay || â || 26,873 || 56âÂÂ59 |- bgcolor="ccffcc" | 117 || August 15 || Braves || 10âÂÂ8 || Kline (8âÂÂ11) || Burdette || Green (1) || 34,478 || 57âÂÂ59 |- bgcolor="ccffcc" | 118 || August 16 || Braves || 2âÂÂ1 || Friend (5âÂÂ15) || Pizarro || Porterfield (1) || || 58âÂÂ59 |- bgcolor="ffbbbb" | 119 || August 16 || Braves || 2âÂÂ5 || Spahn || Daniels (6âÂÂ8) || â || 24,518 || 58âÂÂ60 |- bgcolor="ccffcc" | 120 || August 17 || Cubs || 7âÂÂ6 || Green (1âÂÂ0) || Henry || â || 12,815 || 59âÂÂ60 |- bgcolor="ccffcc" | 121 || August 19 || Cardinals || 4âÂÂ2 || Law (14âÂÂ7) || Gibson || â || 19,075 || 60âÂÂ60 |- bgcolor="ccffcc" | 122 || August 20 || Cardinals || 3âÂÂ1 || Friend (6âÂÂ15) || Broglio || â || 8,059 || 61âÂÂ60 |- bgcolor="ffbbbb" | 123 || August 21 || Dodgers || 5âÂÂ6 || Podres || Kline (8âÂÂ12) || Koufax || 24,678 || 61âÂÂ61 |- bgcolor="ccffcc" | 124 || August 22 || Dodgers || 2âÂÂ0 || Daniels (7âÂÂ8) || Craig || Gross (2) || 10,260 || 62âÂÂ61 |- bgcolor="ccffcc" | 125 || August 23 || Dodgers || 9âÂÂ2 || Haddix (10âÂÂ9) || Drysdale || â || || 63âÂÂ61 |- bgcolor="ccffcc" | 126 || August 23 || Dodgers || 4âÂÂ3 <small>(10)</small> || Face (16âÂÂ0) || Drysdale || â || 25,173 || 64âÂÂ61 |- bgcolor="ccffcc" | 127 || August 24 || Giants || 6âÂÂ0 || Friend (7âÂÂ15) || Jones || â || 23,617 || 65âÂÂ61 |- bgcolor="ffbbbb" | 128 || August 25 || Giants || 5âÂÂ12 || Antonelli || Kline (8âÂÂ13) || â || 29,927 || 65âÂÂ62 |- bgcolor="ccffcc" | 129 || August 26 || Giants || 5âÂÂ4 <small>(10)</small> || Kline (9âÂÂ13) || Miller || â || 20,244 || 66âÂÂ62 |- bgcolor="ccffcc" | 130 || August 28 || Phillies || 9âÂÂ0 || Law (15âÂÂ7) || Keegan || â || 20,926 || 67âÂÂ62 |- bgcolor="ccffcc" | 131 || August 29 || Phillies || 11âÂÂ1 || Friend (8âÂÂ15) || Roberts || â || 9,714 || 68âÂÂ62 |- bgcolor="ccffcc" | 132 || August 30 || Phillies || 2âÂÂ1 || Haddix (11âÂÂ9) || Robinson || â || || 69âÂÂ62 |- bgcolor="ccffcc" | 133 || August 30 || Phillies || 7âÂÂ6 <small>(10)</small> || Face (17âÂÂ0) || Farrell || â || 20,015 || 70âÂÂ62 |-
|- bgcolor="ffbbbb" | 134 || September 2 || @ Reds || 3âÂÂ6 || O'Toole || Law (15âÂÂ8) || â || || 70âÂÂ63 |- bgcolor="ffbbbb" | 135 || September 2 || @ Reds || 1âÂÂ2 || Newcombe || Friend (8âÂÂ16) || â || 13,014 || 70âÂÂ64 |- bgcolor="ffbbbb" | 136 || September 4 || @ Phillies || 0âÂÂ3 || Owens || Haddix (11âÂÂ10) || â || 13,136 || 70âÂÂ65 |- bgcolor="ccffcc" | 137 || September 5 || @ Phillies || 7âÂÂ6 || Porterfield (1âÂÂ2) || Farrell || Daniels (1) || 5,993 || 71âÂÂ65 |- bgcolor="ffbbbb" | 138 || September 6 || @ Phillies || 1âÂÂ2 || Roberts || Law (15âÂÂ9) || â || 9,684 || 71âÂÂ66 |- bgcolor="ffbbbb" | 139 || September 7 || @ Braves || 1âÂÂ5 || Burdette || Friend (8âÂÂ17) || â || || 71âÂÂ67 |- bgcolor="ffbbbb" | 140 || September 7 || @ Braves || 1âÂÂ4 || Buhl || Daniels (7âÂÂ9) || â || 26,910 || 71âÂÂ68 |- bgcolor="ffbbbb" | 141 || September 9 || @ Giants || 2âÂÂ7 || Sanford || Haddix (11âÂÂ11) || Miller || 22,768 || 71âÂÂ69 |- bgcolor="ccffcc" | 142 || September 10 || @ Giants || 5âÂÂ3 || Law (16âÂÂ9) || Antonelli || â || 14,130 || 72âÂÂ69 |- bgcolor="ffbbbb" | 143 || September 11 || @ Dodgers || 4âÂÂ5 || Churn || Face (17âÂÂ1) || â || || 72âÂÂ70 |- bgcolor="ffbbbb" | 144 || September 11 || @ Dodgers || 0âÂÂ4 || Sherry || Green (1âÂÂ1) || â || 48,526 || 72âÂÂ71 |- bgcolor="ccffcc" | 145 || September 13 || @ Dodgers || 4âÂÂ3 || Kline (10âÂÂ13) || Churn || â || 20,176 || 73âÂÂ71 |- bgcolor="ccffcc" | 146 || September 16 || @ Cubs || 3âÂÂ2 || Law (17âÂÂ9) || Anderson || â || || 74âÂÂ71 |- bgcolor="ffbbbb" | 147 || September 16 || @ Cubs || 2âÂÂ4 || Elston || Friend (8âÂÂ18) || â || 1,366 || 74âÂÂ72 |- bgcolor="ccffcc" | 148 || September 17 || @ Cardinals || 7âÂÂ0 || Haddix (12âÂÂ11) || Jackson || â || 4,970 || 75âÂÂ72 |- bgcolor="ccffcc" | 149 || September 19 || Reds || 4âÂÂ3 <small>(12)</small> || Face (18âÂÂ1) || Lawrence || â || 8,406 || 76âÂÂ72 |- bgcolor="ccffcc" | 150 || September 20 || Reds || 10âÂÂ1 || Law (18âÂÂ9) || Brosnan || â || 21,068 || 77âÂÂ72 |- bgcolor="ffbbbb" | 151 || September 21 || Braves || 6âÂÂ8 || Spahn || Friend (8âÂÂ19) || McMahon || 17,205 || 77âÂÂ73 |- bgcolor="ffbbbb" | 152 || September 22 || Braves || 3âÂÂ5 || Pizarro || Haddix (12âÂÂ12) || McMahon || 17,658 || 77âÂÂ74 |- bgcolor="ccffcc" | 153 || September 23 || Braves || 5âÂÂ4 || Kline (11âÂÂ13) || Jay || Face (10) || 20,502 || 78âÂÂ74 |- bgcolor="ffbbbb" | 154 || September 26 || @ Reds || 6âÂÂ7 || Purkey || Gross (1âÂÂ1) || â || 4,703 || 78âÂÂ75 |- bgcolor="ffbbbb" | 155 || September 27 || @ Reds || 7âÂÂ9 || Nuxhall || Green (1âÂÂ2) || Purkey || 15,522 || 78âÂÂ76 |-
|- | Legend: = Win = Loss = Tie<br>Bold = Pirates team member
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
Note: G = Games pitched; W = Wins; L = Losses; SV = Saves; ERA = Earned run average; SO = Strikeouts