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| Season Summary | 90-72, Final Rank:3, GB: 7.0 | |
| Days in First | 5 | last on Tuesday, Apr 20, counts only the days a team played and was in first at the end of the day |
| 6 | last on Apr 20, counts all days of the season including off days | |
| Biggest Lead | 0.5 | last on Tuesday, Apr 20, for days on which they played |
| Farthest Behind | 13.5 | last on Thursday, May 20, for days on which they played |
| Most Games over .500 | 18 | last on Sunday, Oct 3 |
| Most Games under .500 | 15 | last on Thursday, May 20 |
| Longest Winning Streak | 12 | Friday, May 21 to Tuesday, Jun 1 |
| Longest Losing Streak | 8 | Wednesday, May 12 to Thursday, May 20 |
| Most Runs Allowed | 12 | Friday, Jul 16 |
| Most Runs Scored | 13 | Thursday, Jun 24 |
| Longest Game (innings) | 16 | Tuesday, Jun 29 |
| Times Shutout by Opponent | 13 | |
| Times Opponent Shutout | 17 | |
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| Rk | Gm# | Date | Tm | Opp | R | RA | Inn | W-L | Rank | GB | Win | Loss | Save | Time | Attendance | Streak | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | Monday, Apr 12 | boxscore | PIT | SFG | W | 1 | 0 | 10 | 1-0 | 1 | Tied | Veale | Marichal | 2:03 | 28,189 | + | ||
| 2 | 2 | Tuesday, Apr 13 | boxscore | PIT | SFG | W | 5 | 2 | 2-0 | 1 | up 0.5 | Friend | Sanford | McBean | 2:18 | 4,444 | ++ | ||
| 3 | 3 | Wednesday, Apr 14 | boxscore | PIT | LAD | L | 1 | 3 | 2-1 | 3 | 0.5 | Osteen | Gibbon | 1:58 | 7,770 | - | |||
| 4 | 4 | Saturday, Apr 17 | boxscore | PIT | HOU | W | 3 | 2 | 10 | 3-1 | 1 | Tied | Face | Owens | 2:36 | 6,129 | + | ||
| 5 | 5 | Sunday, Apr 18 | boxscore | PIT | HOU | L | 1 | 3 | 3-2 | 1 | Tied | Bruce | Law | 2:11 | 0 | - | |||
| 6 | 6 | Sunday, Apr 18 | boxscore | PIT | HOU | W | 5 | 4 | 4-2 | 1 | Tied | McBean | Mackenzie | 3:07 | 7,176 | + | |||
| 7 | 7 | Tuesday, Apr 20 | boxscore | PIT | @ | SFG | W | 3 | 1 | 5-2 | 1 | up 0.5 | Friend | Bolin | McBean | 2:27 | 37,784 | ++ | |
| 8 | 8 | Wednesday, Apr 21 | boxscore | PIT | @ | SFG | L | 2 | 3 | 5-3 | 2 | 0.5 | Marichal | Gibbon | 2:36 | 12,022 | - | ||
| 9 | 9 | Friday, Apr 23 | boxscore | PIT | @ | HOU | L | 3 | 4 | 12 | 5-4 | 3 | 1.5 | Giusti | McBean | 3:35 | 25,399 | -- | |
| 10 | 10 | Saturday, Apr 24 | boxscore | PIT | @ | HOU | L | 0 | 5 | 5-5 | 4 | 2.5 | Farrell | Law | 2:00 | 30,736 | --- | ||
| 11 | 11 | Sunday, Apr 25 | boxscore | PIT | @ | HOU | L | 4 | 5 | 11 | 5-6 | 6 | 2.5 | Raymond | Face | 2:58 | 19,116 | ---- | |
| 12 | 12 | Monday, Apr 26 | boxscore | PIT | @ | HOU | L | 0 | 2 | 5-7 | 7 | 2.5 | Giusti | Friend | 2:08 | 15,053 | ----- | ||
| 13 | 13 | Tuesday, Apr 27 | boxscore | PIT | @ | LAD | L | 4 | 5 | 5-8 | 9 | 3.5 | Reed | Gibbon | Miller | 2:54 | 17,630 | ------ | |
| 14 | 14 | Wednesday, Apr 28 | boxscore | PIT | @ | LAD | W | 2 | 0 | 6-8 | 7 | 3.0 | Veale | Osteen | 2:05 | 17,464 | + | ||
| 15 | 15 | Friday, Apr 30 | boxscore | PIT | @ | STL | L | 2 | 3 | 6-9 | 8 | 4.0 | Washburn | Law | 2:34 | 20,401 | - | ||
| 16 | 16 | Saturday, May 1 | boxscore | PIT | @ | STL | L | 2 | 3 | 6-10 | 9 | 5.0 | Stallard | Cardwell | 2:13 | 9,689 | -- | ||
| 17 | 17 | Sunday, May 2 | boxscore | PIT | @ | STL | L | 5 | 9 | 6-11 | 9 | 6.5 | Gibson | Friend | Taylor | 2:45 | 0 | --- | |
| 18 | 18 | Sunday, May 2 | boxscore | PIT | @ | STL | L | 4 | 5 | 6-12 | 9 | 6.5 | Washburn | McBean | 2:24 | 23,630 | ---- | ||
| 19 | 19 | Tuesday, May 4 | boxscore | PIT | @ | CHC | W | 6 | 3 | 7-12 | 9 | 5.5 | McBean | Broglio | 2:34 | 1,527 | + | ||
| 20 | 20 | Wednesday, May 5 | boxscore | PIT | @ | CHC | L | 1 | 3 | 7-13 | 9 | 6.5 | Buhl | Law | 2:08 | 2,093 | - | ||
| 21 | 21 | Thursday, May 6 | boxscore | PIT | @ | CHC | L | 3 | 5 | 7-14 | 9 | 7.5 | Jackson | Schwall | Abernathy | 2:34 | 1,471 | -- | |
| 22 | 22 | Friday, May 7 | boxscore | PIT | CIN | W | 5 | 4 | 8-14 | 9 | 7.5 | Sisk | Craig | 3:03 | 9,052 | + | |||
| 23 | 23 | Saturday, May 8 | boxscore | PIT | CIN | L | 1 | 10 | 8-15 | 10 | 8.5 | Maloney | Veale | 2:21 | 5,790 | - | |||
| 24 | 24 | Sunday, May 9 | boxscore | PIT | CIN | L | 3 | 5 | 8-16 | 10 | 8.5 | Arrigo | McBean | McCool | 2:38 | 6,858 | -- | ||
| 25 | 25 | Tuesday, May 11 | boxscore | PIT | MLN | W | 4 | 3 | 9-16 | 9 | 8.0 | Cardwell | Blasingame | McBean | 2:43 | 4,694 | + | ||
| 26 | 26 | Wednesday, May 12 | boxscore | PIT | MLN | L | 4 | 5 | 9-17 | 10 | 9.0 | Lemaster | Butters | O'Dell | 2:28 | 4,464 | - | ||
| 27 | 27 | Thursday, May 13 | boxscore | PIT | MLN | L | 4 | 5 | 9-18 | 10 | 10.0 | Niekro | Schwall | 2:50 | 4,165 | -- | |||
| 28 | 28 | Friday, May 14 | boxscore | PIT | STL | L | 7 | 8 | 9-19 | 10 | 10.0 | Schultz | McBean | Purkey | 3:12 | 9,986 | --- | ||
| 29 | 29 | Saturday, May 15 | boxscore | PIT | STL | L | 1 | 5 | 9-20 | 10 | 11.0 | Stallard | Law | 2:16 | 5,148 | ---- | |||
| 30 | 30 | Sunday, May 16 | boxscore | PIT | STL | L | 3 | 6 | 9-21 | 10 | 12.0 | Gibson | Cardwell | 2:18 | 0 | ----- | |||
| 31 | 31 | Sunday, May 16 | boxscore | PIT | STL | L | 1 | 5 | 9-22 | 10 | 12.0 | Washburn | Veale | Purkey | 2:13 | 11,081 | ------ | ||
| 32 | 32 | Wednesday, May 19 | boxscore | PIT | @ | CIN | L | 1 | 3 | 9-23 | 10 | 13.0 | McCool | Gibbon | 2:13 | 6,743 | ------- | ||
| 33 | 33 | Thursday, May 20 | boxscore | PIT | @ | CIN | L | 3 | 11 | 9-24 | 10 | 13.5 | Ellis | Friend | 2:42 | 5,209 | -------- | ||
| 34 | 34 | Friday, May 21 | boxscore | PIT | @ | MLN | W | 6 | 1 | 10-24 | 10 | 12.5 | Law | Lemaster | McBean | 2:27 | 2,679 | + | |
| 35 | 35 | Saturday, May 22 | boxscore | PIT | @ | MLN | W | 9 | 4 | 11-24 | 10 | 12.5 | Sisk | Cloninger | McBean | 2:40 | 2,662 | ++ | |
| 36 | 36 | Sunday, May 23 | boxscore | PIT | @ | MLN | W | 10 | 1 | 12-24 | 10 | 11.5 | Veale | Sadowski | 2:44 | 2,053 | +++ | ||
| 37 | 37 | Monday, May 24 | boxscore | PIT | CHC | W | 6 | 4 | 13-24 | 10 | 10.5 | Schwall | Broglio | McBean | 2:22 | 5,360 | ++++ | ||
| 38 | 38 | Tuesday, May 25 | boxscore | PIT | CHC | W | 7 | 6 | 12 | 14-24 | 10 | 10.5 | Carpin | Warner | 3:01 | 6,403 | +++++ | ||
| 39 | 39 | Wednesday, May 26 | boxscore | PIT | @ | PHI | W | 5 | 3 | 15-24 | 9 | 9.5 | Sisk | Mahaffey | 3:03 | 10,212 | ++++++ | ||
| 40 | 40 | Friday, May 28 | boxscore | PIT | @ | NYM | W | 6 | 1 | 16-24 | 9 | 9.0 | Veale | Spahn | 2:23 | 32,011 | +++++++ | ||
| 41 | 41 | Saturday, May 29 | boxscore | PIT | @ | NYM | W | 7 | 4 | 17-24 | 9 | 9.0 | Schwall | Lary | McBean | 2:40 | 11,297 | ++++++++ | |
| 42 | 42 | Sunday, May 30 | boxscore | PIT | @ | NYM | W | 9 | 1 | 18-24 | 9 | 8.5 | Friend | Jackson | 2:18 | 0 | +++++++++ | ||
| 43 | 43 | Sunday, May 30 | boxscore | PIT | @ | NYM | W | 12 | 0 | 19-24 | 9 | 8.5 | Law | Parsons | 2:37 | 41,552 | ++++++++++ | ||
| 44 | 44 | Monday, May 31 | boxscore | PIT | PHI | W | 5 | 2 | 20-24 | 7 | 8.0 | Cardwell | Short | McBean | 2:46 | 16,366 | +++++++++++ | ||
| 45 | 45 | Tuesday, Jun 1 | boxscore | PIT | PHI | W | 4 | 0 | 21-24 | 6 | 7.5 | Veale | Mahaffey | 2:14 | 10,478 | ++++++++++++ | |||
| 46 | 46 | Thursday, Jun 3 | boxscore | PIT | NYM | L | 6 | 8 | 21-25 | 7 | 9.0 | Cisco | Gibbon | Parsons | 2:51 | 9,169 | - | ||
| 47 | 47 | Friday, Jun 4 | boxscore | PIT | NYM | L | 1 | 2 | 21-26 | 8 | 9.0 | Fisher | Friend | 2:30 | 11,026 | -- | |||
| 48 | 48 | Saturday, Jun 5 | boxscore | PIT | NYM | W | 9 | 0 | 22-26 | 7 | 8.0 | Law | Kroll | 2:25 | 6,581 | + | |||
| 49 | 49 | Sunday, Jun 6 | boxscore | PIT | NYM | W | 5 | 3 | 23-26 | 6 | 7.0 | Cardwell | Jackson | 2:47 | 0 | ++ | |||
| 50 | 50 | Sunday, Jun 6 | boxscore | PIT | NYM | W | 3 | 0 | 24-26 | 6 | 7.0 | Veale | Spahn | 2:02 | 16,387 | +++ | |||
| Rk | Gm# | Date | Tm | Opp | R | RA | Inn | W-L | Rank | GB | Win | Loss | Save | Time | Attendance | Streak | |||
| 51 | 51 | Tuesday, Jun 8 | boxscore | PIT | HOU | W | 7 | 6 | 11 | 25-26 | 5 | 7.5 | Gibbon | Woodeshick | 2:50 | 8,084 | ++++ | ||
| 52 | 52 | Wednesday, Jun 9 | boxscore | PIT | HOU | W | 11 | 3 | 26-26 | 5 | 6.5 | Law | Nottebart | 2:33 | 9,412 | +++++ | |||
| 53 | 53 | Thursday, Jun 10 | boxscore | PIT | HOU | W | 4 | 2 | 27-26 | 5 | 5.5 | Veale | Bruce | 1:55 | 9,839 | ++++++ | |||
| 54 | 54 | Friday, Jun 11 | boxscore | PIT | SFG | W | 5 | 3 | 28-26 | 5 | 5.5 | Cardwell | Hands | Carpin | 2:40 | 24,708 | +++++++ | ||
| 55 | 55 | Saturday, Jun 12 | boxscore | PIT | SFG | L | 0 | 4 | 28-27 | 5 | 6.5 | Shaw | Friend | Linzy | 2:37 | 12,213 | - | ||
| 56 | 56 | Sunday, Jun 13 | boxscore | PIT | SFG | W | 2 | 1 | 29-27 | 5 | 7.0 | Law | Perry | 1:59 | 20,091 | + | |||
| 57 | 57 | Monday, Jun 14 | boxscore | PIT | @ | STL | L | 2 | 5 | 29-28 | 5 | 7.5 | Taylor | Veale | 2:21 | 5,265 | - | ||
| 58 | 58 | Tuesday, Jun 15 | boxscore | PIT | @ | STL | W | 10 | 6 | 30-28 | 5 | 6.5 | Carpin | Stallard | McBean | 2:58 | 10,428 | + | |
| 59 | 59 | Wednesday, Jun 16 | boxscore | PIT | @ | STL | W | 10 | 9 | 31-28 | 5 | 6.5 | Schwall | Schultz | 3:14 | 10,480 | ++ | ||
| 60 | 60 | Thursday, Jun 17 | boxscore | PIT | @ | STL | W | 4 | 1 | 32-28 | 4 | 6.5 | Law | Gibson | 2:19 | 11,905 | +++ | ||
| 61 | 61 | Friday, Jun 18 | boxscore | PIT | @ | HOU | L | 1 | 5 | 32-29 | 5 | 6.5 | Bruce | Veale | 2:07 | 24,286 | - | ||
| 62 | 62 | Saturday, Jun 19 | boxscore | PIT | @ | HOU | W | 5 | 3 | 11 | 33-29 | 5 | 6.5 | Gibbon | Nottebart | Carpin | 2:51 | 27,785 | + |
| 63 | 63 | Sunday, Jun 20 | boxscore | PIT | @ | SFG | L | 3 | 4 | 15 | 33-30 | 5 | 7.5 | Herbel | McBean | 4:07 | 0 | - | |
| 64 | 64 | Sunday, Jun 20 | boxscore | PIT | @ | SFG | L | 3 | 7 | 33-31 | 5 | 7.5 | Bolin | Schwall | Linzy | 2:25 | 39,757 | -- | |
| 65 | 65 | Tuesday, Jun 22 | boxscore | PIT | @ | SFG | W | 6 | 0 | 34-31 | 5 | 7.0 | Law | Perry | 2:20 | 10,537 | + | ||
| 66 | 66 | Wednesday, Jun 23 | boxscore | PIT | @ | SFG | L | 1 | 6 | 34-32 | 5 | 7.5 | Herbel | Veale | Linzy | 2:23 | 8,209 | - | |
| 67 | 67 | Thursday, Jun 24 | boxscore | PIT | @ | LAD | W | 13 | 3 | 35-32 | 5 | 6.5 | Cardwell | Drysdale | 2:33 | 28,867 | + | ||
| 68 | 68 | Friday, Jun 25 | boxscore | PIT | @ | LAD | L | 1 | 4 | 35-33 | 5 | 7.5 | Koufax | Friend | 2:04 | 32,060 | - | ||
| 69 | 69 | Saturday, Jun 26 | boxscore | PIT | @ | LAD | W | 6 | 1 | 36-33 | 5 | 6.5 | Law | Osteen | 2:28 | 21,769 | + | ||
| 70 | 70 | Sunday, Jun 27 | boxscore | PIT | @ | LAD | W | 10 | 2 | 37-33 | 5 | 5.5 | Veale | Podres | 2:39 | 33,161 | ++ | ||
| 71 | 71 | Monday, Jun 28 | boxscore | PIT | CIN | W | 5 | 4 | 38-33 | 4 | 4.5 | Cardwell | O'Toole | McBean | 2:28 | 15,302 | +++ | ||
| 72 | 72 | Tuesday, Jun 29 | boxscore | PIT | CIN | W | 2 | 1 | 16 | 39-33 | 4 | 5.0 | Schwall | McCool | 4:19 | 0 | ++++ | ||
| 73 | 73 | Tuesday, Jun 29 | boxscore | PIT | CIN | L | 5 | 7 | 39-34 | 4 | 5.0 | Nuxhall | Gibbon | Craig | 2:42 | 28,589 | - | ||
| 74 | 74 | Wednesday, Jun 30 | boxscore | PIT | STL | L | 1 | 7 | 39-35 | 4 | 5.5 | Washburn | Law | Woodeshick | 2:42 | 15,369 | -- | ||
| 75 | 75 | Thursday, Jul 1 | boxscore | PIT | STL | L | 6 | 7 | 39-36 | 5 | 5.5 | Woodeshick | Gibbon | Sadecki | 3:24 | 11,920 | --- | ||
| 76 | 76 | Friday, Jul 2 | boxscore | PIT | MLN | W | 8 | 3 | 40-36 | 5 | 4.5 | Cardwell | Cloninger | Schwall | 2:32 | 12,352 | + | ||
| 77 | 77 | Saturday, Jul 3 | boxscore | PIT | MLN | W | 9 | 5 | 41-36 | 4 | 4.5 | Friend | Sadowski | Carpin | 2:36 | 9,460 | ++ | ||
| 78 | 78 | Sunday, Jul 4 | boxscore | PIT | MLN | L | 2 | 5 | 41-37 | 4 | 4.5 | Fischer | Law | 2:22 | 16,145 | - | |||
| 79 | 79 | Monday, Jul 5 | boxscore | PIT | @ | PHI | L | 1 | 3 | 41-38 | 5 | 5.0 | Bunning | Veale | 2:30 | 0 | -- | ||
| 80 | 80 | Monday, Jul 5 | boxscore | PIT | @ | PHI | L | 2 | 6 | 41-39 | 5 | 5.0 | Roebuck | Wood | Wagner | 2:35 | 25,330 | --- | |
| 81 | 81 | Tuesday, Jul 6 | boxscore | PIT | @ | PHI | W | 8 | 4 | 42-39 | 5 | 5.0 | Cardwell | Culp | 2:22 | 17,357 | + | ||
| 82 | 82 | Wednesday, Jul 7 | boxscore | PIT | @ | PHI | L | 0 | 1 | 42-40 | 5 | 5.0 | Short | Friend | 2:23 | 16,632 | - | ||
| 83 | 83 | Thursday, Jul 8 | boxscore | PIT | LAD | L | 4 | 9 | 42-41 | 6 | 6.0 | Reed | Law | 2:59 | 22,247 | -- | |||
| 84 | 84 | Friday, Jul 9 | boxscore | PIT | LAD | W | 4 | 1 | 43-41 | 5 | 5.5 | Veale | Willhite | 2:29 | 16,284 | + | |||
| 85 | 85 | Saturday, Jul 10 | boxscore | PIT | LAD | L | 4 | 8 | 43-42 | 5 | 6.5 | Drysdale | Cardwell | Perranoski | 2:57 | 14,880 | - | ||
| 86 | 86 | Sunday, Jul 11 | boxscore | PIT | LAD | L | 2 | 4 | 43-43 | 6 | 6.0 | Koufax | Gibbon | 2:29 | 0 | -- | |||
| 87 | 87 | Sunday, Jul 11 | boxscore | PIT | LAD | W | 4 | 3 | 10 | 44-43 | 6 | 6.0 | Carpin | Miller | 2:42 | 37,631 | + | ||
| 88 | 88 | Thursday, Jul 15 | boxscore | PIT | @ | MLN | L | 6 | 9 | 44-44 | 6 | 7.0 | Johnson | Law | Osinski | 2:42 | 5,180 | - | |
| 89 | 89 | Friday, Jul 16 | boxscore | PIT | @ | MLN | L | 2 | 12 | 44-45 | 6 | 8.0 | Blasingame | Veale | 2:56 | 6,090 | -- | ||
| 90 | 90 | Saturday, Jul 17 | boxscore | PIT | @ | MLN | L | 5 | 6 | 44-46 | 7 | 9.0 | O'Dell | Carpin | 2:45 | 4,518 | --- | ||
| 91 | 91 | Sunday, Jul 18 | boxscore | PIT | @ | CIN | W | 6 | 5 | 45-46 | 7 | 9.5 | Schwall | Craig | 3:00 | 0 | + | ||
| 92 | 92 | Sunday, Jul 18 | boxscore | PIT | @ | CIN | L | 4 | 8 | 45-47 | 7 | 9.5 | Jay | Gibbon | McCool | 2:55 | 25,637 | - | |
| 93 | 93 | Monday, Jul 19 | boxscore | PIT | @ | CIN | W | 3 | 1 | 46-47 | 6 | 9.5 | Law | Nuxhall | 2:18 | 11,096 | + | ||
| 94 | 94 | Tuesday, Jul 20 | boxscore | PIT | @ | CIN | W | 8 | 6 | 47-47 | 6 | 9.5 | Veale | Ellis | McBean | 2:47 | 9,669 | ++ | |
| 95 | 95 | Wednesday, Jul 21 | boxscore | PIT | NYM | L | 0 | 1 | 47-48 | 6 | 9.5 | Jackson | Cardwell | 2:09 | 22,670 | - | |||
| 96 | 96 | Friday, Jul 23 | boxscore | PIT | @ | CHC | W | 6 | 0 | 48-48 | 6 | 8.0 | Friend | Ellsworth | 2:22 | 5,288 | + | ||
| 97 | 97 | Saturday, Jul 24 | boxscore | PIT | @ | CHC | W | 8 | 5 | 49-48 | 6 | 7.0 | Law | Jackson | McBean | 2:50 | 9,578 | ++ | |
| 98 | 98 | Sunday, Jul 25 | boxscore | PIT | @ | CHC | W | 3 | 2 | 13 | 50-48 | 6 | 7.5 | Law | McDaniel | 4:12 | 0 | +++ | |
| 99 | 99 | Sunday, Jul 25 | boxscore | PIT | @ | CHC | L | 0 | 5 | 50-49 | 6 | 7.5 | Faul | Cardwell | 1:37 | 20,777 | - | ||
| 100 | 100 | Tuesday, Jul 27 | boxscore | PIT | PHI | L | 1 | 3 | 50-50 | 6 | 8.5 | Wagner | Friend | Baldschun | 2:39 | 0 | -- | ||
| Rk | Gm# | Date | Tm | Opp | R | RA | Inn | W-L | Rank | GB | Win | Loss | Save | Time | Attendance | Streak | |||
| 101 | 101 | Tuesday, Jul 27 | boxscore | PIT | PHI | W | 3 | 2 | 10 | 51-50 | 6 | 8.5 | Schwall | Wagner | 3:01 | 21,832 | + | ||
| 102 | 102 | Wednesday, Jul 28 | boxscore | PIT | PHI | L | 0 | 1 | 14 | 51-51 | 6 | 8.5 | Baldschun | Schwall | 4:12 | 13,207 | - | ||
| 103 | 103 | Thursday, Jul 29 | boxscore | PIT | PHI | L | 0 | 5 | 51-52 | 7 | 9.0 | Culp | Veale | 2:21 | 10,160 | -- | |||
| 104 | 104 | Friday, Jul 30 | boxscore | PIT | CHC | W | 3 | 1 | 52-52 | 6 | 9.0 | Cardwell | Broglio | 2:22 | 11,382 | + | |||
| 105 | 105 | Saturday, Jul 31 | boxscore | PIT | CHC | L | 6 | 7 | 52-53 | 7 | 9.0 | Buhl | Sisk | Abernathy | 2:37 | 7,431 | - | ||
| 106 | 106 | Sunday, Aug 1 | boxscore | PIT | CHC | W | 8 | 2 | 53-53 | 6 | 8.5 | McBean | Ellsworth | Schwall | 2:31 | 0 | + | ||
| 107 | 107 | Sunday, Aug 1 | boxscore | PIT | CHC | W | 3 | 1 | 54-53 | 6 | 8.5 | Gibbon | Jackson | Schwall | 2:22 | 14,741 | ++ | ||
| 108 | 108 | Tuesday, Aug 3 | boxscore | PIT | @ | NYM | W | 7 | 0 | 55-53 | 6 | 7.5 | Law | Cisco | 2:40 | 24,597 | +++ | ||
| 109 | 109 | Wednesday, Aug 4 | boxscore | PIT | @ | NYM | W | 3 | 0 | 56-53 | 6 | 7.0 | Veale | Fisher | Schwall | 2:31 | 20,703 | ++++ | |
| 110 | 110 | Thursday, Aug 5 | boxscore | PIT | @ | NYM | W | 11 | 3 | 57-53 | 6 | 7.0 | Cardwell | Jackson | 2:40 | 19,374 | +++++ | ||
| 111 | 111 | Friday, Aug 6 | boxscore | PIT | @ | PHI | L | 0 | 4 | 57-54 | 6 | 7.0 | Bunning | Friend | 2:27 | 22,155 | - | ||
| 112 | 112 | Saturday, Aug 7 | boxscore | PIT | @ | PHI | W | 4 | 3 | 58-54 | 6 | 7.0 | McBean | Culp | 2:57 | 8,204 | + | ||
| 113 | 113 | Sunday, Aug 8 | boxscore | PIT | @ | PHI | W | 7 | 1 | 59-54 | 6 | 6.5 | Veale | Short | 2:40 | 0 | ++ | ||
| 114 | 114 | Sunday, Aug 8 | boxscore | PIT | @ | PHI | L | 2 | 5 | 59-55 | 6 | 6.5 | Herbert | Sisk | 2:32 | 29,260 | - | ||
| 115 | 115 | Tuesday, Aug 10 | boxscore | PIT | @ | SFG | L | 3 | 4 | 59-56 | 6 | 7.5 | Marichal | Cardwell | 2:24 | 14,457 | -- | ||
| 116 | 116 | Thursday, Aug 12 | boxscore | PIT | @ | SFG | L | 3 | 4 | 59-57 | 6 | 8.0 | Linzy | Schwall | 2:37 | 0 | --- | ||
| 117 | 117 | Thursday, Aug 12 | boxscore | PIT | @ | SFG | W | 5 | 2 | 60-57 | 6 | 8.0 | Law | Perry | 2:28 | 20,435 | + | ||
| 118 | 118 | Friday, Aug 13 | boxscore | PIT | @ | LAD | L | 1 | 3 | 60-58 | 6 | 9.0 | Osteen | Veale | 2:21 | 32,551 | - | ||
| 119 | 119 | Saturday, Aug 14 | boxscore | PIT | @ | LAD | L | 0 | 1 | 10 | 60-59 | 6 | 10.0 | Koufax | Cardwell | 2:43 | 29,237 | -- | |
| 120 | 120 | Sunday, Aug 15 | boxscore | PIT | @ | LAD | W | 4 | 2 | 61-59 | 6 | 9.0 | Sisk | Drysdale | McBean | 3:02 | 25,175 | + | |
| 121 | 121 | Monday, Aug 16 | boxscore | PIT | @ | HOU | L | 0 | 3 | 61-60 | 6 | 9.0 | Roberts | Friend | 1:58 | 26,549 | - | ||
| 122 | 122 | Tuesday, Aug 17 | boxscore | PIT | @ | HOU | W | 8 | 6 | 62-60 | 6 | 9.0 | Law | Farrell | McBean | 2:41 | 24,863 | + | |
| 123 | 123 | Wednesday, Aug 18 | boxscore | PIT | @ | HOU | W | 8 | 7 | 63-60 | 6 | 8.5 | Veale | Nottebart | McBean | 2:54 | 30,470 | ++ | |
| 124 | 124 | Friday, Aug 20 | boxscore | PIT | MLN | L | 3 | 4 | 63-61 | 6 | 9.0 | Blasingame | Cardwell | 2:39 | 18,653 | - | |||
| 125 | 125 | Saturday, Aug 21 | boxscore | PIT | MLN | W | 3 | 0 | 64-61 | 6 | 8.5 | Friend | Lemaster | 2:23 | 10,259 | + | |||
| 126 | 126 | Sunday, Aug 22 | boxscore | PIT | MLN | W | 5 | 4 | 11 | 65-61 | 6 | 7.5 | Schwall | Osinski | 3:21 | 14,112 | ++ | ||
| 127 | 127 | Monday, Aug 23 | boxscore | PIT | SFG | W | 6 | 2 | 66-61 | 6 | 7.5 | Law | Spahn | 2:20 | 15,016 | +++ | |||
| 128 | 128 | Tuesday, Aug 24 | boxscore | PIT | SFG | W | 5 | 2 | 67-61 | 6 | 6.5 | Cardwell | Shaw | 2:08 | 15,497 | ++++ | |||
| 129 | 129 | Wednesday, Aug 25 | boxscore | PIT | SFG | T | 3 | 3 | 67-61 | 6 | 6.0 | 3:02 | 13,348 | ++++ | |||||
| 130 | 130 | Thursday, Aug 26 | boxscore | PIT | SFG | W | 8 | 0 | 68-61 | 5 | 4.5 | Veale | Herbel | 2:11 | 0 | +++++ | |||
| 131 | 131 | Thursday, Aug 26 | boxscore | PIT | SFG | W | 6 | 5 | 69-61 | 5 | 4.5 | Sisk | Perry | McBean | 2:42 | 18,893 | ++++++ | ||
| 132 | 132 | Friday, Aug 27 | boxscore | PIT | HOU | W | 10 | 9 | 11 | 70-61 | 5 | 4.5 | McBean | Cuellar | 3:13 | 12,917 | +++++++ | ||
| 133 | 133 | Saturday, Aug 28 | boxscore | PIT | HOU | L | 6 | 9 | 70-62 | 5 | 5.5 | Dierker | Schwall | Giusti | 2:51 | 7,051 | - | ||
| 134 | 134 | Sunday, Aug 29 | boxscore | PIT | HOU | W | 4 | 2 | 71-62 | 5 | 4.5 | Wood | Nottebart | Gibbon | 2:34 | 30,002 | + | ||
| 135 | 135 | Wednesday, Sep 1 | boxscore | PIT | LAD | W | 3 | 2 | 11 | 72-62 | 5 | 2.5 | Gibbon | Koufax | 3:00 | 0 | ++ | ||
| 136 | 136 | Wednesday, Sep 1 | boxscore | PIT | LAD | W | 2 | 1 | 73-62 | 5 | 2.5 | Law | Drysdale | 2:18 | 26,394 | +++ | |||
| 137 | 137 | Thursday, Sep 2 | boxscore | PIT | LAD | L | 1 | 7 | 73-63 | 5 | 3.5 | Osteen | Veale | Perranoski | 2:38 | 29,200 | - | ||
| 138 | 138 | Friday, Sep 3 | boxscore | PIT | @ | MLN | L | 3 | 4 | 73-64 | 5 | 4.5 | Johnson | Cardwell | Osinski | 2:13 | 5,349 | -- | |
| 139 | 139 | Saturday, Sep 4 | boxscore | PIT | @ | MLN | L | 3 | 8 | 8 | 73-65 | 5 | 5.5 | Cloninger | Friend | O'Dell | 2:21 | 2,471 | --- |
| 140 | 140 | Sunday, Sep 5 | boxscore | PIT | @ | MLN | W | 2 | 1 | 74-65 | 5 | 5.5 | Sisk | Sadowski | 2:24 | 20,409 | + | ||
| 141 | 141 | Monday, Sep 6 | boxscore | PIT | @ | CIN | W | 3 | 1 | 75-65 | 5 | 4.0 | Veale | Jay | 2:40 | 0 | ++ | ||
| 142 | 142 | Monday, Sep 6 | boxscore | PIT | @ | CIN | W | 4 | 2 | 76-65 | 5 | 4.0 | McBean | Maloney | 2:36 | 16,323 | +++ | ||
| 143 | 143 | Tuesday, Sep 7 | boxscore | PIT | @ | CIN | L | 0 | 5 | 76-66 | 5 | 4.0 | Ellis | Cardwell | 2:24 | 7,153 | - | ||
| 144 | 144 | Wednesday, Sep 8 | boxscore | PIT | @ | STL | W | 2 | 1 | 77-66 | 5 | 4.0 | Friend | Sadecki | 2:42 | 9,714 | + | ||
| 145 | 145 | Friday, Sep 10 | boxscore | PIT | CIN | W | 7 | 0 | 78-66 | 5 | 4.5 | Veale | Jay | 2:47 | 20,694 | ++ | |||
| 146 | 146 | Saturday, Sep 11 | boxscore | PIT | CIN | L | 2 | 3 | 78-67 | 5 | 5.5 | Maloney | Sisk | 2:28 | 9,570 | - | |||
| 147 | 147 | Monday, Sep 13 | boxscore | PIT | CIN | W | 8 | 4 | 79-67 | 5 | 6.5 | Law | Ellis | 2:17 | 1,299 | + | |||
| 148 | 148 | Tuesday, Sep 14 | boxscore | PIT | STL | L | 2 | 3 | 79-68 | 5 | 7.5 | Gibson | Friend | Woodeshick | 2:45 | 8,224 | - | ||
| 149 | 149 | Wednesday, Sep 15 | boxscore | PIT | STL | L | 3 | 7 | 79-69 | 5 | 8.5 | Sadecki | Veale | Briles | 3:00 | 6,725 | -- | ||
| 150 | 150 | Thursday, Sep 16 | boxscore | PIT | STL | L | 1 | 2 | 79-70 | 5 | 9.5 | Stallard | McBean | Woodeshick | 2:28 | 4,788 | --- | ||
| Rk | Gm# | Date | Tm | Opp | R | RA | Inn | W-L | Rank | GB | Win | Loss | Save | Time | Attendance | Streak | |||
| 151 | 151 | Friday, Sep 17 | boxscore | PIT | PHI | W | 4 | 0 | 80-70 | 5 | 8.5 | Cardwell | Culp | 2:07 | 8,987 | + | |||
| 152 | 152 | Saturday, Sep 18 | boxscore | PIT | PHI | W | 4 | 3 | 81-70 | 5 | 8.5 | Face | Steevens | 2:28 | 5,313 | ++ | |||
| 153 | 153 | Sunday, Sep 19 | boxscore | PIT | PHI | W | 1 | 0 | 10 | 82-70 | 5 | 8.5 | Veale | Baldschun | 2:58 | 10,026 | +++ | ||
| 154 | 154 | Monday, Sep 20 | boxscore | PIT | NYM | W | 10 | 0 | 83-70 | 4 | 8.5 | Sisk | Fisher | 2:10 | 3,892 | ++++ | |||
| 155 | 155 | Tuesday, Sep 21 | boxscore | PIT | NYM | W | 6 | 5 | 84-70 | 4 | 7.5 | Face | Eilers | 2:54 | 4,660 | +++++ | |||
| 156 | 156 | Wednesday, Sep 22 | boxscore | PIT | NYM | W | 6 | 2 | 85-70 | 4 | 6.5 | Friend | McGraw | 2:26 | 4,964 | ++++++ | |||
| 157 | 157 | Saturday, Sep 25 | boxscore | PIT | @ | CHC | L | 3 | 6 | 85-71 | 4 | 7.0 | Hendley | Veale | Abernathy | 2:33 | 2,903 | - | |
| 158 | 158 | Sunday, Sep 26 | boxscore | PIT | @ | CHC | W | 5 | 3 | 10 | 86-71 | 4 | 6.0 | Schwall | Abernathy | 2:51 | 2,097 | + | |
| 159 | 159 | Tuesday, Sep 28 | boxscore | PIT | @ | NYM | L | 0 | 1 | 12 | 86-72 | 4 | 7.5 | Sutherland | Face | 3:13 | 6,995 | - | |
| 160 | 160 | Wednesday, Sep 29 | boxscore | PIT | @ | NYM | W | 4 | 2 | 87-72 | 4 | 7.5 | Schwall | Selma | McBean | 2:40 | 2,807 | + | |
| 161 | 161 | Friday, Oct 1 | boxscore | PIT | CHC | W | 2 | 1 | 88-72 | 4 | 7.0 | Face | Ellsworth | 2:27 | 3,441 | ++ | |||
| 162 | 162 | Saturday, Oct 2 | boxscore | PIT | CHC | W | 3 | 0 | 89-72 | 3 | 7.0 | Cardwell | Jackson | 1:45 | 3,626 | +++ | |||
| 163 | 163 | Sunday, Oct 3 | boxscore | PIT | CHC | W | 6 | 3 | 90-72 | 3 | 7.0 | Face | Abernathy | McBean | 2:15 | 26,527 | ++++ | ||
| Rk | Gm# | Date | Tm | Opp | R | RA | Inn | W-L | Rank | GB | Win | Loss | Save | Time | Attendance | Streak |
Rank and Games Behind are at the end of all games played on that date.