| Postseason: |
Won World Series (4-3) over New York Yankees |

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| Season Summary | 95-59, Final Rank:1, GB: 0.0 | |
| Days in First | 120 | last on Sunday, Oct 2, counts only the days a team played and was in first at the end of the day |
| 148 | last on Oct 2, counts all days of the season including off days | |
| Biggest Lead | 7.5 | last on Thursday, Sep 22, for days on which they played |
| Farthest Behind | 2 | last on Friday, May 13, for days on which they played |
| Most Games over .500 | 37 | last on Thursday, Sep 22 |
| Most Games under .500 | 1 | last on Saturday, Apr 16 |
| Longest Winning Streak | 9 | Wednesday, Apr 20 to Sunday, May 1 |
| Longest Losing Streak | 4 | Friday, May 6 to Monday, May 9 and Thursday, Aug 25 to Sunday, Aug 28 |
| Most Runs Allowed | 13 | Sunday, May 8, Tuesday, Jun 7 and Friday, Sep 30 |
| Most Runs Scored | 15 | Sunday, Jun 12 |
| Longest Game (innings) | 16 | Tuesday, Sep 27 |
| Times Shutout by Opponent | 4 | |
| Times Opponent Shutout | 11 | |
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| Rk | Gm# | Date | Tm | Opp | R | RA | Inn | W-L | Rank | GB | Win | Loss | Save | Time | Attendance | Streak | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | Tuesday, Apr 12 | boxscore | PIT | @ | MLN | L | 3 | 4 | 0-1 | 5 | 1.0 | McMahon | Face | Burdette | 2:37 | 39,888 | - | |
| 2 | 2 | Thursday, Apr 14 | boxscore | PIT | CIN | W | 13 | 0 | 1-1 | 4 | 0.5 | Law | McLish | 2:13 | 34,064 | + | |||
| 3 | 3 | Saturday, Apr 16 | boxscore | PIT | CIN | L | 3 | 11 | 1-2 | 6 | 1.5 | Hook | Umbricht | 2:23 | 14,338 | - | |||
| 4 | 4 | Sunday, Apr 17 | boxscore | PIT | CIN | W | 5 | 0 | 2-2 | 4 | 1.0 | Friend | Nuxhall | 2:02 | 0 | + | |||
| 5 | 5 | Sunday, Apr 17 | boxscore | PIT | CIN | W | 6 | 5 | 3-2 | 4 | 1.0 | Gibbon | Wieand | 2:40 | 16,196 | ++ | |||
| 6 | 6 | Tuesday, Apr 19 | boxscore | PIT | PHI | L | 3 | 4 | 3-3 | 4 | 2.0 | Owens | Haddix | 2:23 | 11,443 | - | |||
| 7 | 7 | Wednesday, Apr 20 | boxscore | PIT | PHI | W | 4 | 2 | 4-3 | 3 | 1.0 | Law | Cardwell | 2:04 | 10,403 | + | |||
| 8 | 8 | Thursday, Apr 21 | boxscore | PIT | PHI | W | 11 | 5 | 5-3 | 3 | 0.5 | Green | Robinson | Face | 3:08 | 9,451 | ++ | ||
| 9 | 9 | Friday, Apr 22 | boxscore | PIT | MLN | W | 6 | 2 | 6-3 | 2 | 0.5 | Friend | Jay | 2:37 | 29,895 | +++ | |||
| 10 | 10 | Saturday, Apr 23 | boxscore | PIT | MLN | W | 5 | 4 | 7-3 | 2 | 0.5 | Gibbon | Burdette | 2:39 | 15,502 | ++++ | |||
| 11 | 11 | Sunday, Apr 24 | boxscore | PIT | MLN | W | 7 | 3 | 8-3 | 1 | up 0.5 | Haddix | Buhl | Face | 2:17 | 24,758 | +++++ | ||
| 12 | 12 | Wednesday, Apr 27 | boxscore | PIT | @ | PHI | W | 3 | 2 | 9-3 | 1 | up 1.0 | Law | Meyer | 2:18 | 9,233 | ++++++ | ||
| 13 | 13 | Thursday, Apr 28 | boxscore | PIT | @ | PHI | W | 3 | 0 | 10-3 | 1 | up 1.0 | Friend | Buzhardt | 2:24 | 8,789 | +++++++ | ||
| 14 | 14 | Saturday, Apr 30 | boxscore | PIT | @ | CIN | W | 12 | 7 | 11-3 | 1 | up 1.5 | Daniels | McLish | Face | 2:44 | 3,481 | ++++++++ | |
| 15 | 15 | Sunday, May 1 | boxscore | PIT | @ | CIN | W | 13 | 2 | 12-3 | 1 | up 2.0 | Law | Newcombe | 2:10 | 8,244 | +++++++++ | ||
| 16 | 16 | Monday, May 2 | boxscore | PIT | @ | STL | L | 3 | 4 | 12-4 | 1 | up 1.0 | Kline | Face | 2:20 | 10,590 | - | ||
| 17 | 17 | Wednesday, May 4 | boxscore | PIT | @ | CHC | L | 1 | 5 | 12-5 | 1 | up 1.0 | Ellsworth | Friend | 2:07 | 4,631 | -- | ||
| 18 | 18 | Thursday, May 5 | boxscore | PIT | @ | CHC | W | 9 | 7 | 13-5 | 1 | up 2.0 | Green | Hobbie | Face | 3:02 | 3,429 | + | |
| 19 | 19 | Friday, May 6 | boxscore | PIT | @ | SFG | L | 1 | 5 | 13-6 | 1 | up 1.0 | Jones | Law | 1:59 | 36,592 | - | ||
| 20 | 20 | Saturday, May 7 | boxscore | PIT | @ | SFG | L | 5 | 6 | 13-7 | 1 | Tied | Byerly | Green | 2:32 | 33,066 | -- | ||
| 21 | 21 | Sunday, May 8 | boxscore | PIT | @ | SFG | L | 1 | 13 | 13-8 | 2 | 1.0 | McCormick | Gibbon | 2:38 | 40,173 | --- | ||
| 22 | 22 | Monday, May 9 | boxscore | PIT | @ | LAD | L | 4 | 7 | 13-9 | 2 | 1.5 | Sherry | Face | 2:37 | 23,417 | ---- | ||
| 23 | 23 | Tuesday, May 10 | boxscore | PIT | @ | LAD | W | 3 | 2 | 14-9 | 2 | 1.5 | Law | Podres | 2:20 | 26,331 | + | ||
| 24 | 24 | Wednesday, May 11 | boxscore | PIT | @ | LAD | W | 6 | 3 | 15-9 | 2 | 1.5 | Face | Koufax | 2:43 | 27,926 | ++ | ||
| 25 | 25 | Friday, May 13 | boxscore | PIT | @ | MLN | W | 8 | 2 | 16-9 | 2 | 2.0 | Friend | Willey | 3:00 | 15,823 | +++ | ||
| 26 | 26 | Saturday, May 14 | boxscore | PIT | @ | MLN | W | 6 | 4 | 11 | 17-9 | 2 | 1.0 | Face | McMahon | 2:45 | 16,865 | ++++ | |
| 27 | 27 | Sunday, May 15 | boxscore | PIT | @ | MLN | W | 6 | 4 | 18-9 | 2 | 1.5 | Haddix | Spahn | Umbricht | 2:36 | 0 | +++++ | |
| 28 | 28 | Sunday, May 15 | boxscore | PIT | @ | MLN | L | 2 | 4 | 18-10 | 2 | 1.5 | Pizarro | Daniels | McMahon | 2:32 | 29,757 | - | |
| 29 | 29 | Tuesday, May 17 | boxscore | PIT | CHC | W | 11 | 6 | 19-10 | 2 | 1.0 | Friend | Hobbie | Face | 2:35 | 16,102 | + | ||
| 30 | 30 | Wednesday, May 18 | boxscore | PIT | STL | W | 4 | 2 | 20-10 | 1 | Tied | Law | Kline | 2:12 | 14,615 | ++ | |||
| 31 | 31 | Thursday, May 19 | boxscore | PIT | STL | W | 8 | 3 | 21-10 | 1 | up 0.5 | Gibbon | Sadecki | Green | 2:30 | 15,810 | +++ | ||
| 32 | 32 | Friday, May 20 | boxscore | PIT | SFG | W | 5 | 4 | 12 | 22-10 | 1 | up 1.5 | Green | O'Dell | 3:23 | 39,439 | ++++ | ||
| 33 | 33 | Saturday, May 21 | boxscore | PIT | SFG | L | 1 | 3 | 22-11 | 1 | up 0.5 | Antonelli | Friend | Byerly | 2:05 | 28,984 | - | ||
| 34 | 34 | Sunday, May 22 | boxscore | PIT | SFG | W | 8 | 7 | 11 | 23-11 | 1 | up 1.5 | Face | McCormick | 3:30 | 30,123 | + | ||
| 35 | 35 | Monday, May 23 | boxscore | PIT | LAD | L | 0 | 1 | 23-12 | 1 | up 1.0 | Koufax | Daniels | 2:19 | 16,936 | - | |||
| 36 | 36 | Tuesday, May 24 | boxscore | PIT | LAD | L | 2 | 4 | 23-13 | 1 | Tied | Podres | Gibbon | 2:22 | 22,920 | -- | |||
| 37 | 37 | Wednesday, May 25 | boxscore | PIT | LAD | L | 1 | 5 | 23-14 | 2 | 1.0 | Drysdale | Umbricht | 2:13 | 23,975 | --- | |||
| 38 | 38 | Saturday, May 28 | boxscore | PIT | PHI | W | 4 | 2 | 13 | 24-14 | 2 | 1.0 | Umbricht | Farrell | 3:14 | 9,476 | + | ||
| 39 | 39 | Sunday, May 29 | boxscore | PIT | PHI | W | 8 | 5 | 25-14 | 1 | Tied | Law | Roberts | Green | 2:15 | 15,704 | ++ | ||
| 40 | 40 | Monday, May 30 | boxscore | PIT | MLN | W | 8 | 3 | 26-14 | 1 | up 0.5 | Haddix | Spahn | Face | 2:25 | 34,233 | +++ | ||
| 41 | 41 | Tuesday, May 31 | boxscore | PIT | CIN | W | 4 | 3 | 11 | 27-14 | 1 | up 1.5 | Face | McLish | 3:37 | 20,494 | ++++ | ||
| 42 | 42 | Wednesday, Jun 1 | boxscore | PIT | CIN | W | 5 | 0 | 28-14 | 1 | up 1.5 | Friend | Purkey | 1:55 | 26,791 | +++++ | |||
| 43 | 43 | Friday, Jun 3 | boxscore | PIT | @ | PHI | W | 3 | 0 | 29-14 | 1 | up 2.0 | Law | Buzhardt | 2:13 | 16,738 | ++++++ | ||
| 44 | 44 | Sunday, Jun 5 | boxscore | PIT | @ | PHI | L | 0 | 2 | 29-15 | 1 | up 1.0 | Conley | Friend | 2:00 | 0 | - | ||
| 45 | 45 | Sunday, Jun 5 | boxscore | PIT | @ | PHI | L | 1 | 4 | 29-16 | 1 | up 1.0 | Owens | Haddix | 2:06 | 23,410 | -- | ||
| 46 | 46 | Tuesday, Jun 7 | boxscore | PIT | @ | CHC | L | 2 | 13 | 29-17 | 1 | up 1.0 | Ellsworth | Law | Drabowsky | 2:35 | 8,736 | --- | |
| 47 | 47 | Wednesday, Jun 8 | boxscore | PIT | @ | CHC | W | 5 | 3 | 30-17 | 1 | up 1.0 | Mizell | Anderson | Face | 2:50 | 9,118 | + | |
| 48 | 48 | Thursday, Jun 9 | boxscore | PIT | @ | CHC | W | 11 | 3 | 31-17 | 1 | up 2.0 | Friend | Hobbie | Green | 2:30 | 7,442 | ++ | |
| 49 | 49 | Friday, Jun 10 | boxscore | PIT | @ | STL | L | 6 | 9 | 31-18 | 1 | up 1.0 | Jackson | Haddix | McDaniel | 2:50 | 19,532 | - | |
| 50 | 50 | Saturday, Jun 11 | boxscore | PIT | @ | STL | L | 6 | 7 | 31-19 | 1 | up 1.0 | Duliba | Green | 2:39 | 11,063 | -- | ||
| Rk | Gm# | Date | Tm | Opp | R | RA | Inn | W-L | Rank | GB | Win | Loss | Save | Time | Attendance | Streak | |||
| 51 | 51 | Sunday, Jun 12 | boxscore | PIT | @ | STL | W | 15 | 3 | 32-19 | 1 | up 0.5 | Law | Kline | 2:33 | 0 | + | ||
| 52 | 52 | Sunday, Jun 12 | boxscore | PIT | @ | STL | L | 2 | 5 | 32-20 | 1 | up 0.5 | Broglio | Mizell | McDaniel | 2:06 | 29,605 | - | |
| 53 | 53 | Tuesday, Jun 14 | boxscore | PIT | @ | SFG | W | 6 | 3 | 33-20 | 1 | up 2.0 | Friend | Jones | 2:30 | 35,465 | + | ||
| 54 | 54 | Wednesday, Jun 15 | boxscore | PIT | @ | SFG | W | 14 | 6 | 34-20 | 1 | up 3.0 | Haddix | O'Dell | 3:15 | 19,180 | ++ | ||
| 55 | 55 | Thursday, Jun 16 | boxscore | PIT | @ | SFG | W | 10 | 7 | 35-20 | 1 | up 4.0 | Mizell | Sanford | Face | 3:12 | 17,237 | +++ | |
| 56 | 56 | Friday, Jun 17 | boxscore | PIT | @ | LAD | W | 2 | 1 | 36-20 | 1 | up 4.0 | Law | Williams | 2:09 | 43,296 | ++++ | ||
| 57 | 57 | Saturday, Jun 18 | boxscore | PIT | @ | LAD | W | 4 | 3 | 10 | 37-20 | 1 | up 4.0 | Face | Sherry | 2:36 | 50,062 | +++++ | |
| 58 | 58 | Sunday, Jun 19 | boxscore | PIT | @ | LAD | L | 6 | 8 | 37-21 | 1 | up 4.0 | Roebuck | Daniels | Williams | 2:51 | 41,118 | - | |
| 59 | 59 | Tuesday, Jun 21 | boxscore | PIT | STL | W | 3 | 2 | 38-21 | 1 | up 3.5 | Law | Gibson | Face | 2:23 | 21,292 | + | ||
| 60 | 60 | Wednesday, Jun 22 | boxscore | PIT | STL | W | 5 | 0 | 39-21 | 1 | up 3.5 | Friend | Jackson | 2:30 | 21,320 | ++ | |||
| 61 | 61 | Thursday, Jun 23 | boxscore | PIT | STL | L | 1 | 3 | 39-22 | 1 | up 2.5 | Kline | Haddix | McDaniel | 2:14 | 21,151 | - | ||
| 62 | 62 | Friday, Jun 24 | boxscore | PIT | CHC | W | 4 | 1 | 40-22 | 1 | up 3.5 | Mizell | Ellsworth | 2:18 | 28,137 | + | |||
| 63 | 63 | Saturday, Jun 25 | boxscore | PIT | CHC | W | 7 | 6 | 41-22 | 1 | up 3.5 | Giel | Anderson | Face | 2:51 | 20,428 | ++ | ||
| 64 | 64 | Sunday, Jun 26 | boxscore | PIT | CHC | L | 6 | 7 | 41-23 | 1 | up 3.0 | Freeman | Friend | Elston | 2:58 | 0 | - | ||
| 65 | 65 | Sunday, Jun 26 | boxscore | PIT | CHC | L | 5 | 7 | 41-24 | 1 | up 3.0 | Morehead | Law | Elston | 2:46 | 36,378 | -- | ||
| 66 | 66 | Tuesday, Jun 28 | boxscore | PIT | SFG | T | 7 | 7 | 41-24 | 1 | up 2.5 | 3:19 | 30,621 | -- | |||||
| 67 | 67 | Thursday, Jun 30 | boxscore | PIT | SFG | L | 0 | 11 | 41-25 | 1 | up 3.0 | Sanford | Friend | 2:13 | 0 | --- | |||
| 68 | 68 | Thursday, Jun 30 | boxscore | PIT | SFG | W | 11 | 6 | 42-25 | 1 | up 3.0 | Gibbon | Miller | 2:58 | 33,520 | + | |||
| 69 | 69 | Friday, Jul 1 | boxscore | PIT | LAD | W | 4 | 3 | 10 | 43-25 | 1 | up 4.5 | Green | Sherry | 2:20 | 27,312 | ++ | ||
| 70 | 70 | Saturday, Jul 2 | boxscore | PIT | LAD | L | 1 | 6 | 43-26 | 1 | up 4.5 | Williams | Cheney | 3:11 | 21,496 | - | |||
| 71 | 71 | Sunday, Jul 3 | boxscore | PIT | LAD | L | 2 | 6 | 43-27 | 1 | up 3.5 | Drysdale | Mizell | 2:44 | 26,346 | -- | |||
| 72 | 72 | Monday, Jul 4 | boxscore | PIT | @ | MLN | L | 6 | 7 | 10 | 43-28 | 1 | up 3.5 | Spahn | Face | 2:05 | 0 | --- | |
| 73 | 73 | Monday, Jul 4 | boxscore | PIT | @ | MLN | W | 7 | 2 | 44-28 | 1 | up 3.5 | Haddix | Jay | 2:57 | 38,478 | + | ||
| 74 | 74 | Tuesday, Jul 5 | boxscore | PIT | @ | MLN | W | 5 | 4 | 10 | 45-28 | 1 | up 4.5 | Giel | Jay | Friend | 3:14 | 24,479 | ++ |
| 75 | 75 | Wednesday, Jul 6 | boxscore | PIT | @ | CIN | W | 5 | 2 | 46-28 | 1 | up 5.5 | Cheney | Purkey | Face | 2:35 | 12,292 | +++ | |
| 76 | 76 | Thursday, Jul 7 | boxscore | PIT | @ | CIN | W | 3 | 2 | 47-28 | 1 | up 5.5 | Mizell | Henry | Face | 2:20 | 12,494 | ++++ | |
| 77 | 77 | Friday, Jul 8 | boxscore | PIT | @ | PHI | L | 5 | 6 | 10 | 47-29 | 1 | up 5.0 | Farrell | Green | 3:10 | 0 | - | |
| 78 | 78 | Friday, Jul 8 | boxscore | PIT | @ | PHI | W | 8 | 3 | 48-29 | 1 | up 5.0 | Friend | Green | 2:33 | 36,056 | + | ||
| 79 | 79 | Saturday, Jul 9 | boxscore | PIT | @ | PHI | L | 1 | 2 | 48-30 | 1 | up 5.0 | Conley | Law | 2:04 | 19,541 | - | ||
| 80 | 80 | Sunday, Jul 10 | boxscore | PIT | @ | PHI | W | 6 | 2 | 49-30 | 1 | up 5.0 | Haddix | Roberts | Face | 2:15 | 13,012 | + | |
| 81 | 81 | Thursday, Jul 14 | boxscore | PIT | MLN | L | 0 | 4 | 49-31 | 1 | up 4.0 | Buhl | Haddix | Burdette | 2:47 | 35,827 | - | ||
| 82 | 82 | Friday, Jul 15 | boxscore | PIT | CIN | L | 1 | 4 | 49-32 | 1 | up 3.0 | O'Toole | Friend | Brosnan | 2:31 | 29,110 | -- | ||
| 83 | 83 | Saturday, Jul 16 | boxscore | PIT | CIN | W | 6 | 5 | 50-32 | 1 | up 3.0 | Francis | Brosnan | 2:18 | 19,674 | + | |||
| 84 | 84 | Sunday, Jul 17 | boxscore | PIT | CIN | L | 5 | 6 | 50-33 | 1 | up 2.5 | Purkey | Law | Brosnan | 2:33 | 0 | - | ||
| 85 | 85 | Sunday, Jul 17 | boxscore | PIT | CIN | W | 5 | 0 | 51-33 | 1 | up 2.5 | Cheney | McLish | 2:20 | 36,290 | + | |||
| 86 | 86 | Tuesday, Jul 19 | boxscore | PIT | @ | LAD | L | 4 | 5 | 51-34 | 1 | up 1.5 | Sherry | Green | Roebuck | 2:21 | 51,438 | - | |
| 87 | 87 | Wednesday, Jul 20 | boxscore | PIT | @ | LAD | L | 5 | 7 | 11 | 51-35 | 1 | up 0.5 | Craig | Face | 3:31 | 51,301 | -- | |
| 88 | 88 | Thursday, Jul 21 | boxscore | PIT | @ | LAD | W | 4 | 1 | 52-35 | 1 | up 1.5 | Law | Podres | 2:12 | 51,193 | + | ||
| 89 | 89 | Friday, Jul 22 | boxscore | PIT | @ | SFG | W | 4 | 1 | 53-35 | 1 | up 2.5 | Mizell | McCormick | 2:14 | 31,878 | ++ | ||
| 90 | 90 | Saturday, Jul 23 | boxscore | PIT | @ | SFG | L | 1 | 3 | 53-36 | 1 | up 1.5 | Marichal | Haddix | 1:59 | 30,228 | - | ||
| 91 | 91 | Sunday, Jul 24 | boxscore | PIT | @ | SFG | L | 3 | 6 | 53-37 | 1 | Tied | O'Dell | Cheney | McCormick | 2:30 | 36,447 | -- | |
| 92 | 92 | Monday, Jul 25 | boxscore | PIT | @ | STL | W | 4 | 2 | 54-37 | 1 | up 0.5 | Friend | Kline | Face | 2:30 | 23,641 | + | |
| 93 | 93 | Tuesday, Jul 26 | boxscore | PIT | @ | STL | W | 5 | 4 | 55-37 | 1 | up 0.5 | Law | Simmons | Face | 2:29 | 20,899 | ++ | |
| 94 | 94 | Wednesday, Jul 27 | boxscore | PIT | @ | STL | W | 7 | 3 | 56-37 | 1 | up 1.5 | Green | Sadecki | 2:58 | 1,723 | +++ | ||
| 95 | 95 | Friday, Jul 29 | boxscore | PIT | @ | CHC | W | 4 | 0 | 57-37 | 1 | up 3.0 | Mizell | Brewer | 2:02 | 9,673 | ++++ | ||
| 96 | 96 | Saturday, Jul 30 | boxscore | PIT | @ | CHC | L | 1 | 6 | 57-38 | 1 | up 2.0 | Hobbie | Friend | 2:11 | 13,365 | - | ||
| 97 | 97 | Sunday, Jul 31 | boxscore | PIT | @ | CHC | L | 2 | 6 | 57-39 | 1 | up 2.0 | Cardwell | Haddix | Elston | 2:21 | 18,297 | -- | |
| 98 | 98 | Tuesday, Aug 2 | boxscore | PIT | LAD | W | 3 | 0 | 58-39 | 1 | up 3.0 | Law | Williams | 2:16 | 25,876 | + | |||
| 99 | 99 | Wednesday, Aug 3 | boxscore | PIT | LAD | L | 1 | 3 | 7 | 58-40 | 1 | up 3.0 | Podres | Friend | 1:51 | 24,819 | - | ||
| 100 | 100 | Thursday, Aug 4 | boxscore | PIT | LAD | W | 4 | 1 | 59-40 | 1 | up 3.5 | Witt | Drysdale | Face | 2:35 | 20,748 | + | ||
| Rk | Gm# | Date | Tm | Opp | R | RA | Inn | W-L | Rank | GB | Win | Loss | Save | Time | Attendance | Streak | |||
| 101 | 101 | Friday, Aug 5 | boxscore | PIT | SFG | W | 1 | 0 | 60-40 | 1 | up 4.0 | Mizell | Jones | 2:10 | 33,301 | ++ | |||
| 102 | 102 | Saturday, Aug 6 | boxscore | PIT | SFG | W | 8 | 7 | 10 | 61-40 | 1 | up 4.5 | Law | Antonelli | 3:05 | 28,246 | +++ | ||
| 103 | 103 | Sunday, Aug 7 | boxscore | PIT | SFG | W | 4 | 1 | 62-40 | 1 | up 5.5 | Friend | Sanford | 2:14 | 0 | ++++ | |||
| 104 | 104 | Sunday, Aug 7 | boxscore | PIT | SFG | W | 7 | 5 | 63-40 | 1 | up 5.5 | Face | Jones | 2:40 | 35,708 | +++++ | |||
| 105 | 105 | Tuesday, Aug 9 | boxscore | PIT | CHC | W | 7 | 1 | 64-40 | 1 | up 5.0 | Mizell | Drabowsky | 2:15 | 26,797 | ++++++ | |||
| 106 | 106 | Wednesday, Aug 10 | boxscore | PIT | CHC | W | 3 | 1 | 65-40 | 1 | up 5.0 | Law | Cardwell | 2:00 | 20,074 | +++++++ | |||
| 107 | 107 | Thursday, Aug 11 | boxscore | PIT | STL | L | 2 | 3 | 12 | 65-41 | 1 | up 4.0 | Broglio | Friend | 2:57 | 34,212 | - | ||
| 108 | 108 | Friday, Aug 12 | boxscore | PIT | STL | L | 2 | 9 | 65-42 | 1 | up 3.0 | Gibson | Witt | 2:54 | 35,439 | -- | |||
| 109 | 109 | Saturday, Aug 13 | boxscore | PIT | STL | W | 4 | 1 | 66-42 | 1 | up 4.0 | Haddix | Sadecki | 2:16 | 24,620 | + | |||
| 110 | 110 | Sunday, Aug 14 | boxscore | PIT | STL | W | 9 | 4 | 67-42 | 1 | up 6.0 | Law | Jackson | 2:07 | 0 | ++ | |||
| 111 | 111 | Sunday, Aug 14 | boxscore | PIT | STL | W | 3 | 2 | 11 | 68-42 | 1 | up 6.0 | Green | McDaniel | 3:00 | 36,775 | +++ | ||
| 112 | 112 | Monday, Aug 15 | boxscore | PIT | PHI | L | 3 | 4 | 68-43 | 1 | up 6.0 | Mahaffey | Face | Short | 2:35 | 19,912 | - | ||
| 113 | 113 | Tuesday, Aug 16 | boxscore | PIT | PHI | W | 11 | 2 | 69-43 | 1 | up 7.5 | Friend | Owens | 2:20 | 0 | + | |||
| 114 | 114 | Tuesday, Aug 16 | boxscore | PIT | PHI | W | 4 | 3 | 70-43 | 1 | up 7.5 | Face | Roberts | 2:00 | 34,673 | ++ | |||
| 115 | 115 | Wednesday, Aug 17 | boxscore | PIT | PHI | W | 5 | 3 | 71-43 | 1 | up 7.5 | Haddix | Buzhardt | Labine | 2:26 | 33,598 | +++ | ||
| 116 | 116 | Thursday, Aug 18 | boxscore | PIT | @ | CIN | W | 3 | 2 | 72-43 | 1 | up 7.5 | Law | McLish | Face | 1:49 | 11,668 | ++++ | |
| 117 | 117 | Friday, Aug 19 | boxscore | PIT | @ | CIN | L | 3 | 4 | 72-44 | 1 | up 7.5 | Purkey | Mizell | Brosnan | 2:21 | 16,347 | - | |
| 118 | 118 | Saturday, Aug 20 | boxscore | PIT | @ | CIN | W | 10 | 7 | 73-44 | 1 | up 7.5 | Face | Maloney | 2:37 | 8,287 | + | ||
| 119 | 119 | Sunday, Aug 21 | boxscore | PIT | @ | CIN | L | 4 | 8 | 73-45 | 1 | up 6.5 | Hook | Friend | Brosnan | 2:26 | 15,596 | - | |
| 120 | 120 | Tuesday, Aug 23 | boxscore | PIT | @ | CHC | W | 8 | 3 | 74-45 | 1 | up 6.5 | Haddix | Ellsworth | Face | 2:46 | 13,943 | + | |
| 121 | 121 | Wednesday, Aug 24 | boxscore | PIT | @ | CHC | W | 10 | 6 | 75-45 | 1 | up 7.5 | Face | Elston | 3:03 | 15,268 | ++ | ||
| 122 | 122 | Thursday, Aug 25 | boxscore | PIT | @ | CHC | L | 1 | 2 | 75-46 | 1 | up 6.5 | Hobbie | Mizell | 2:31 | 11,701 | - | ||
| 123 | 123 | Friday, Aug 26 | boxscore | PIT | @ | STL | L | 1 | 3 | 75-47 | 1 | up 5.5 | Broglio | Friend | 2:27 | 24,436 | -- | ||
| 124 | 124 | Saturday, Aug 27 | boxscore | PIT | @ | STL | L | 4 | 5 | 75-48 | 1 | up 5.5 | Kline | Face | 2:40 | 30,712 | --- | ||
| 125 | 125 | Sunday, Aug 28 | boxscore | PIT | @ | STL | L | 4 | 5 | 75-49 | 1 | up 5.5 | Simmons | Haddix | McDaniel | 2:43 | 28,579 | ---- | |
| 126 | 126 | Monday, Aug 29 | boxscore | PIT | @ | LAD | W | 10 | 2 | 76-49 | 1 | up 5.5 | Law | Podres | 2:31 | 37,369 | + | ||
| 127 | 127 | Tuesday, Aug 30 | boxscore | PIT | @ | LAD | W | 5 | 2 | 77-49 | 1 | up 6.5 | Friend | Koufax | Face | 2:35 | 40,143 | ++ | |
| 128 | 128 | Wednesday, Aug 31 | boxscore | PIT | @ | SFG | W | 7 | 4 | 78-49 | 1 | up 6.5 | Labine | O'Dell | Face | 2:37 | 16,202 | +++ | |
| 129 | 129 | Thursday, Sep 1 | boxscore | PIT | @ | SFG | W | 6 | 1 | 79-49 | 1 | up 7.0 | Haddix | Maranda | Labine | 2:42 | 13,436 | ++++ | |
| 130 | 130 | Saturday, Sep 3 | boxscore | PIT | PHI | L | 2 | 3 | 79-50 | 1 | up 5.5 | Mahaffey | Law | 2:28 | 18,487 | - | |||
| 131 | 131 | Sunday, Sep 4 | boxscore | PIT | PHI | W | 5 | 3 | 80-50 | 1 | up 6.5 | Mizell | Owens | Labine | 2:17 | 17,856 | + | ||
| 132 | 132 | Monday, Sep 5 | boxscore | PIT | MLN | W | 8 | 7 | 81-50 | 1 | up 6.5 | Green | Spahn | 2:47 | 0 | ++ | |||
| 133 | 133 | Monday, Sep 5 | boxscore | PIT | MLN | L | 1 | 7 | 81-51 | 1 | up 6.5 | Buhl | Haddix | 2:31 | 34,310 | - | |||
| 134 | 134 | Tuesday, Sep 6 | boxscore | PIT | MLN | W | 5 | 3 | 82-51 | 1 | up 7.0 | Labine | Spahn | Face | 2:51 | 28,793 | + | ||
| 135 | 135 | Wednesday, Sep 7 | boxscore | PIT | STL | L | 1 | 2 | 82-52 | 1 | up 6.0 | Broglio | Law | McDaniel | 2:31 | 31,831 | - | ||
| 136 | 136 | Friday, Sep 9 | boxscore | PIT | CHC | W | 4 | 3 | 83-52 | 1 | up 6.0 | Mizell | Ellsworth | Face | 2:33 | 24,831 | + | ||
| 137 | 137 | Saturday, Sep 10 | boxscore | PIT | CHC | W | 4 | 1 | 84-52 | 1 | up 7.0 | Friend | Anderson | 1:59 | 19,701 | ++ | |||
| 138 | 138 | Monday, Sep 12 | boxscore | PIT | SFG | W | 6 | 1 | 85-52 | 1 | up 7.5 | Haddix | Sanford | 2:28 | 21,261 | +++ | |||
| 139 | 139 | Tuesday, Sep 13 | boxscore | PIT | SFG | L | 3 | 6 | 85-53 | 1 | up 6.5 | McCormick | Mizell | 2:51 | 21,313 | - | |||
| 140 | 140 | Wednesday, Sep 14 | boxscore | PIT | LAD | L | 2 | 5 | 85-54 | 1 | up 5.5 | Williams | Law | 2:35 | 28,547 | -- | |||
| 141 | 141 | Thursday, Sep 15 | boxscore | PIT | LAD | W | 3 | 1 | 86-54 | 1 | up 6.0 | Friend | Craig | 2:13 | 12,511 | + | |||
| 142 | 142 | Friday, Sep 16 | boxscore | PIT | @ | CIN | L | 3 | 4 | 86-55 | 1 | up 5.5 | O'Toole | Haddix | Brosnan | 2:20 | 9,352 | - | |
| 143 | 143 | Sunday, Sep 18 | boxscore | PIT | @ | CIN | W | 5 | 3 | 87-55 | 1 | up 6.0 | Law | McLish | 2:11 | 0 | + | ||
| 144 | 144 | Sunday, Sep 18 | boxscore | PIT | @ | CIN | W | 1 | 0 | 88-55 | 1 | up 6.0 | Mizell | Purkey | 2:14 | 14,438 | ++ | ||
| 145 | 145 | Tuesday, Sep 20 | boxscore | PIT | @ | PHI | W | 7 | 1 | 89-55 | 1 | up 6.0 | Friend | Roberts | 2:15 | 0 | +++ | ||
| 146 | 146 | Tuesday, Sep 20 | boxscore | PIT | @ | PHI | W | 3 | 2 | 90-55 | 1 | up 6.0 | Labine | Owens | 2:26 | 17,216 | ++++ | ||
| 147 | 147 | Thursday, Sep 22 | boxscore | PIT | CHC | W | 3 | 2 | 11 | 91-55 | 1 | up 7.5 | Face | Cardwell | 2:40 | 0 | +++++ | ||
| 148 | 148 | Thursday, Sep 22 | boxscore | PIT | CHC | W | 6 | 1 | 92-55 | 1 | up 7.5 | Mizell | Anderson | 2:02 | 19,566 | ++++++ | |||
| 149 | 149 | Friday, Sep 23 | boxscore | PIT | @ | MLN | L | 1 | 2 | 92-56 | 1 | up 6.0 | Buhl | Witt | 2:02 | 17,576 | - | ||
| 150 | 150 | Saturday, Sep 24 | boxscore | PIT | @ | MLN | L | 2 | 4 | 92-57 | 1 | up 6.0 | Burdette | Friend | 2:07 | 20,626 | -- | ||
| Rk | Gm# | Date | Tm | Opp | R | RA | Inn | W-L | Rank | GB | Win | Loss | Save | Time | Attendance | Streak | |||
| 151 | 151 | Sunday, Sep 25 | boxscore | PIT | @ | MLN | L | 2 | 4 | 10 | 92-58 | 1 | up 5.5 | Piche | Face | 2:14 | 38,109 | --- | |
| 152 | 152 | Tuesday, Sep 27 | boxscore | PIT | CIN | W | 4 | 3 | 16 | 93-58 | 1 | up 6.5 | Green | McLish | 4:02 | 22,162 | + | ||
| 153 | 153 | Friday, Sep 30 | boxscore | PIT | MLN | L | 2 | 13 | 93-59 | 1 | up 5.0 | Buhl | Law | 2:45 | 25,148 | - | |||
| 154 | 154 | Saturday, Oct 1 | boxscore | PIT | MLN | W | 7 | 3 | 94-59 | 1 | up 6.0 | Friend | Spahn | Face | 2:22 | 20,842 | + | ||
| 155 | 155 | Sunday, Oct 2 | boxscore | PIT | MLN | W | 9 | 5 | 95-59 | 1 | up 7.0 | Mizell | Burdette | 2:25 | 34,578 | ++ | |||
| 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.