The Chicago Cubs have the most runs by a team in a game on August 18, with 26 runs versus the Rockies on August 18, 1995.
| 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 |  | Cubs | 26 | 8/18/1995 |  CHC | @ |  COL | W 26-7 | 54 | 27 | 7 | 1 | 3 | 26 | 6 | 0 | 8 | 0 | 0 | 60 | 45 | 11 | 0 | 0 | 0 | 1 | .500 | .550 | .833 | 1.383 |
| 2 | Blues | 22 | 8/18/1882 | CLE | @ |  WOR | W 22-7 | |||||||||||||||||||||||
| 3 |  | Astros | 21 | 8/18/2022 |  HOU | @ |  CWS | W 21-5 | 51 | 25 | 5 | 0 | 4 | 21 | 4 | 0 | 9 | 1 | 0 | 55 | 42 | 9 | 0 | 0 | 0 | 1 | .490 | .527 | .824 | 1.351 |
| 4 |  | Athletics | 21 | 8/18/1885 |  PHA | vs | NYM | W 21-10 | ||||||||||||||||||||||
| 5 |  | Browns | 20 | 8/18/1951 |  SLA | vs |  DET | W 20-9 | 42 | 18 | 1 | 0 | 1 | 15 | 11 | 1 | 3 | 0 | 0 | 55 | 22 | 2 | 1 | 0 | 1 | .429 | .556 | .524 | 1.079 | |
| 6 | | Athletics | 20 | 8/18/1884 | PHA | vs |  BLA | W 20-1 | ||||||||||||||||||||||
| 7 |  | Reds | 19 | 8/18/1894 |  CIN | @ |  BSN | W 19-6 | ||||||||||||||||||||||
| 8 | | Athletics | 19 | 8/18/1883 | PHA | vs | COL | W 19-5 | ||||||||||||||||||||||
| 9 |  | Braves | 17 | 8/18/1990 |  ATL | @ | CHC | W 17-6 | 51 | 24 | 5 | 2 | 0 | 17 | 7 | 0 | 4 | 1 | 0 | 59 | 33 | 7 | 0 | 1 | 1 | 1 | .471 | .525 | .647 | 1.172 |
| 10 |  | Cubs | 17 | 8/18/1930 |  CHC | vs |  PHN | W 17-3 | 41 | 17 | 6 | 0 | 2 | 16 | 9 | 0 | 4 | 3 | 0 | 51 | 29 | 8 | 1 | .415 | .520 | .707 | 1.227 | |||
| 11 |  | Giants | 17 | 8/18/1922 |  NYG | @ |  CHC | W 17-11 | 38 | 12 | 4 | 0 | 1 | 15 | 9 | 3 | 4 | 0 | 0 | 52 | 19 | 5 | 2 | .316 | .480 | .500 | .980 | |||
| 12 |  | Orioles | 17 | 8/18/1894 |  BAL | vs |  PIT | W 17-2 | ||||||||||||||||||||||
| 13 |  | Nationals | 16 | 8/18/2019 |  WSH | vs |  MIL | W 16-8 | 40 | 19 | 2 | 1 | 8 | 16 | 4 | 0 | 3 | 0 | 0 | 46 | 47 | 11 | 2 | 0 | 0 | 1 | .475 | .523 | 1.175 | 1.698 |
| 14 |  | Phillies | 16 | 8/18/1995 | PHI | vs |  SFG | W 16-8 | 40 | 18 | 3 | 1 | 4 | 16 | 5 | 1 | 2 | 1 | 0 | 47 | 35 | 8 | 0 | 1 | 0 | 1 | .450 | .511 | .875 | 1.386 |
| 15 |  | Giants | 16 | 8/18/1982 | SFG | @ | PIT | W 16-9 | 42 | 16 | 4 | 1 | 3 | 16 | 4 | 0 | 7 | 1 | 0 | 47 | 31 | 8 | 0 | 1 | 0 | 1 | .381 | .426 | .738 | 1.164 |
| 16 |  | White Sox | 16 | 8/18/1945 | CWS | vs |  BSA | W 16-1 | 39 | 16 | 3 | 2 | 0 | 15 | 6 | 0 | 3 | 0 | 0 | 45 | 23 | 5 | 0 | 0 | .410 | .489 | .590 | 1.079 | ||
| 17 | | Nationals | 15 | 8/18/2015 | WSH | @ | COL | W 15-6 | 40 | 15 | 5 | 0 | 1 | 13 | 10 | 0 | 6 | 0 | 0 | 52 | 23 | 6 | 0 | 2 | 1 | 0 | .375 | .481 | .575 | 1.056 |
| 18 |  | Cubs | 15 | 8/18/1943 |  CHC | @ |  BKN | W 15-6 | 39 | 15 | 5 | 0 | 1 | 12 | 11 | 1 | 7 | 0 | 0 | 52 | 23 | 6 | 1 | 1 | .385 | .529 | .590 | 1.119 | ||
| 19 |  | Tigers | 15 | 8/18/1936 | DET | @ | SLA | W 15-3 | 46 | 20 | 3 | 1 | 1 | 14 | 7 | 0 | 6 | 2 | 0 | 54 | 28 | 5 | 1 | .435 | .509 | .609 | 1.118 | |||
| 20 |  | Cardinals | 15 | 8/18/1934 |  SLN | vs |  BSN | W 15-0 | 43 | 20 | 7 | 0 | 2 | 14 | 2 | 1 | 3 | 1 | 0 | 49 | 33 | 9 | 3 | 0 | .465 | .500 | .767 | 1.267 | ||
| 21 | Spiders | 15 | 8/18/1895 | CLE | @ | CIN | W 15-3 | |||||||||||||||||||||||
| 22 | | Beaneaters | 15 | 8/18/1888 | BSN | vs | CWS | W 15-5 | ||||||||||||||||||||||
| 23 |  | Rockies | 14 | 8/18/2023 | COL | vs | CWS | W 14-1 | 37 | 13 | 4 | 1 | 3 | 14 | 8 | 0 | 4 | 2 | 0 | 45 | 28 | 8 | 0 | 0 | 0 | 0 | .351 | .467 | .757 | 1.223 |
| 24 |  | Yankees | 14 | 8/18/2006 |  NYY | @ |  BOS | W 14-11 | 43 | 17 | 6 | 0 | 1 | 14 | 8 | 0 | 7 | 0 | 1 | 51 | 26 | 7 | 0 | 0 | 1 | 0 | .395 | .490 | .605 | 1.095 |
| 25 | | Giants | 14 | 8/18/2004 | SFG | vs |  MON | W 14-4 | 38 | 14 | 4 | 0 | 2 | 12 | 8 | 0 | 6 | 0 | 0 | 47 | 24 | 6 | 0 | 1 | 1 | 0 | .368 | .468 | .632 | 1.100 |
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 
CLE 
MIN 
Mets 
Dodgers 
Padres 
Blue Jays 
Mariners 
MIA 
LAA 
AZ 
