The Pittsburgh Pirates put up their most runs in a game against the Boston Beaneaters on June 6, 1894, with 27 runs.
Interpreted as:
most runs conceided regular-season game by pirates| TEAM | R | DATE | TM | OPP | RESULT | AB | H | 2B | 3B | HR | RBI | BB | HBP | SO | SB | CS | PA | TB | XBH | SH | SF | IBB | GIDP | AVG | OBP | SLG | OPS | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | Pirates | 27 | 6/6/1894 |  PIT | @ |  BSN | W 27-11 | ||||||||||||||||||||||
| 2 | | Pirates | 25 | 8/1/1893 | PIT | @ |  STL | W 25-2 | ||||||||||||||||||||||
| 3 |  | Pirates | 24 | 6/22/1925 |  PIT | @ | SLN | W 24-6 | 51 | 21 | 4 | 0 | 6 | 20 | 7 | 1 | 0 | 2 | 0 | 60 | 43 | 10 | 1 | .412 | .492 | .843 | 1.335 | |||
| 4 | | Pirates | 23 | 4/27/1912 | PIT | vs |  CIN | W 23-4 | 43 | 27 | 5 | 3 | 0 | 20 | 5 | 0 | 1 | 8 | 51 | 38 | 8 | 3 | .628 | .667 | .884 | 1.550 | ||||
| 5 | | Pirates | 23 | 7/18/1895 | PIT | vs |  PHI | W 23-6 | ||||||||||||||||||||||
| 6 | | Alleghenys | 23 | 8/9/1887 | PIT | vs |  BSN | W 23-3 | ||||||||||||||||||||||
| 7 | | Pirates | 22 | 9/16/1975 | PIT | @ |  CHC | W 22-0 | 53 | 24 | 2 | 1 | 2 | 21 | 6 | 1 | 5 | 0 | 0 | 61 | 34 | 5 | 0 | 1 | 0 | 0 | .453 | .508 | .642 | 1.150 |
| 8 | | Pirates | 22 | 9/3/1894 | PIT | vs |  WSH | W 22-1 | ||||||||||||||||||||||
| 9 | | Pirates | 21 | 6/20/1925 | PIT | vs |  BKN | W 21-5 | 47 | 25 | 3 | 3 | 4 | 19 | 5 | 1 | 0 | 0 | 1 | 54 | 46 | 10 | 1 | .532 | .585 | .979 | 1.564 | |||
| 10 | | Pirates | 20 | 8/1/1970 | PIT | @ | ATL | W 20-10 | 47 | 22 | 7 | 3 | 4 | 18 | 6 | 1 | 6 | 0 | 0 | 54 | 47 | 14 | 0 | 0 | 1 | 1 | .468 | .537 | 1.000 | 1.537 |
| 11 | | Pirates | 20 | 5/15/1935 | PIT | @ | PHN | W 20-5 | 50 | 19 | 3 | 0 | 3 | 17 | 5 | 0 | 3 | 0 | 0 | 55 | 31 | 6 | 0 | 0 | .380 | .436 | .620 | 1.056 | ||
| 12 | | Pirates | 20 | 8/22/1907 | PIT | @ |  NYG | W 20-5 | 43 | 22 | 3 | 1 | 0 | 9 | 1 | 5 | 2 | 54 | 27 | 4 | 1 | .512 | .604 | .628 | 1.232 | |||||
| 13 | | Pirates | 20 | 5/14/1896 | PIT | vs | BSN | W 20-4 | ||||||||||||||||||||||
| 14 | | Alleghenys | 20 | 4/23/1890 | PTN | vs | CLN | W 20-12 | ||||||||||||||||||||||
| 15 | | Pirates | 19 | 9/26/1992 | PIT | vs |  NYM | W 19-2 | 43 | 20 | 5 | 2 | 3 | 18 | 8 | 0 | 4 | 1 | 0 | 51 | 38 | 10 | 0 | 0 | 1 | 1 | .465 | .549 | .884 | 1.433 |
| 16 | | Pirates | 19 | 8/21/1968 | PIT | @ | CIN | W 19-1 | 47 | 23 | 3 | 1 | 3 | 18 | 6 | 0 | 10 | 2 | 0 | 54 | 37 | 7 | 1 | 0 | 0 | 1 | .489 | .547 | .787 | 1.334 |
| 17 | | Pirates | 19 | 8/3/1961 | PIT | @ | STL | W 19-0 | 50 | 24 | 7 | 0 | 3 | 19 | 5 | 0 | 4 | 0 | 0 | 55 | 40 | 10 | 0 | 0 | 1 | 1 | .480 | .527 | .800 | 1.327 |
| 18 | | Pirates | 19 | 6/14/1930 | PIT | @ | PHN | W 19-12 | 40 | 21 | 7 | 1 | 0 | 19 | 7 | 0 | 2 | 1 | 0 | 51 | 30 | 8 | 4 | .525 | .596 | .750 | 1.346 | |||
| 19 | | Pirates | 19 | 8/8/1922 | PIT | @ | PHN | W 19-8 | 52 | 27 | 4 | 0 | 3 | 17 | 2 | 1 | 3 | 1 | 0 | 55 | 40 | 7 | 0 | .519 | .545 | .769 | 1.315 | |||
| 20 | | Pirates | 19 | 6/25/1912 | PIT | @ |  SLN | W 19-3 | 47 | 22 | 2 | 1 | 1 | 18 | 5 | 0 | 1 | 0 | 53 | 29 | 4 | 1 | .468 | .519 | .617 | 1.136 | ||||
| 21 | | Pirates | 19 | 6/11/1904 | PIT | @ | BSN | W 19-1 | 45 | 17 | 4 | 1 | 0 | 14 | 5 | 0 | 1 | 3 | 51 | 23 | 5 | 1 | .378 | .440 | .511 | .951 | ||||
| 22 | | Pirates | 19 | 7/8/1896 | PIT | vs | WSH | W 19-0 | ||||||||||||||||||||||
| 23 | | Pirates | 19 | 7/10/1894 | PIT | @ |  BAL | W 19-9 | ||||||||||||||||||||||
| 24 | | Pirates | 19 | 7/15/1893 | PIT | vs | WSH | W 19-0 | ||||||||||||||||||||||
| 25 | | Pirates | 18 | 7/1/2019 | PIT | vs |  CHC | W 18-5 | 46 | 23 | 7 | 0 | 5 | 18 | 3 | 1 | 7 | 1 | 0 | 50 | 45 | 12 | 0 | 0 | 0 | 1 | .500 | .540 | .978 | 1.518 |
Results may be incomplete. StatMuse has complete team, game-level data for runs going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.
Brewers 
MIA 
Yankees 
Rays 
Tigers 
Twins 
Astros 
Mariners 
Dodgers 
Padres 
CLE 
SFG 
WSH 
BAL 
BOS 
