The St. Louis Maroons have the best winning percentage by a team with 10+ games played in a month, winning 94.7 percent of the time in May 1884.
| TEAM | W% | G | MONTH | W | L | AB | R | H | 2B | 3B | HR | RBI | BB | HBP | SO | SB | CS | PA | TB | XBH | SH | SF | IBB | GIDP | AVG | OBP | SLG | OPS | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Maroons | .947 | 19 | May 1884 | 18 | 1 | 221 | |||||||||||||||||||||||
| 2 | Grays | .944 | 18 | August 1884 | 17 | 1 | 84 | |||||||||||||||||||||||
| 3 |  | White Stockings | .941 | 18 | June 1880 | 16 | 1 | 130 | ||||||||||||||||||||||
| 4 | | White Stockings | .933 | 15 | May 1879 | 14 | 1 | 110 | ||||||||||||||||||||||
| 5 |  | Red Caps | .923 | 13 | September 1877 | 12 | 1 | 121 | ||||||||||||||||||||||
| 6 |  | Orioles | .917 | 12 | April 1966 | 11 | 1 | 409 | 71 | 110 | 20 | 1 | 22 | 64 | 41 | 2 | 65 | 6 | 3 | 465 | 198 | 43 | 10 | 3 | 3 | 8 | .269 | .336 | .484 | .820 |
| 7 |  | Giants | .917 | 12 | April 1918 | 11 | 1 | 410 | 80 | 131 | 23 | 7 | 2 | 71 | 31 | 5 | 37 | 20 | 468 | 174 | 32 | 22 | .320 | .374 | .424 | .799 | ||||
| 8 |  | Beaneaters | .917 | 24 | June 1897 | 22 | 2 | 226 | ||||||||||||||||||||||
| 9 |  | Bridegrooms | .917 | 13 | October 1888 | 11 | 1 | 99 | ||||||||||||||||||||||
| 10 | Browns | .913 | 23 | May 1887 | 21 | 2 | 222 | |||||||||||||||||||||||
| 11 | | White Stockings | .913 | 23 | June 1885 | 21 | 2 | 197 | ||||||||||||||||||||||
| 12 |  | Indians | .909 | 11 | April 1966 | 10 | 1 | 361 | 43 | 99 | 11 | 1 | 9 | 37 | 36 | 2 | 52 | 8 | 3 | 408 | 139 | 21 | 6 | 3 | 8 | 10 | .274 | .341 | .385 | .726 |
| 13 | | Giants | .909 | 11 | April 1938 | 10 | 1 | 382 | 69 | 113 | 18 | 2 | 14 | 64 | 35 | 1 | 25 | 4 | 430 | 177 | 34 | 12 | .296 | .356 | .463 | .820 | ||||
| 14 | Browns | .909 | 11 | October 1889 | 10 | 1 | 81 | |||||||||||||||||||||||
| 15 | Outlaw Reds | .909 | 11 | October 1884 | 10 | 1 | 85 | |||||||||||||||||||||||
| 16 |  | Mariners | .900 | 10 | August 1994 | 9 | 1 | 373 | 76 | 119 | 18 | 1 | 20 | 74 | 29 | 3 | 55 | 4 | 3 | 420 | 199 | 39 | 8 | 7 | 5 | 7 | .319 | .367 | .534 | .900 |
| 17 |  | Tigers | .900 | 20 | April 1984 | 18 | 2 | 716 | 120 | 206 | 39 | 6 | 22 | 113 | 83 | 4 | 111 | 18 | 13 | 811 | 323 | 67 | 7 | 1 | 7 | 20 | .288 | .364 | .451 | .816 |
| 18 | Maroons | .900 | 20 | August 1884 | 18 | 2 | 123 | |||||||||||||||||||||||
| 19 |  | Cubs | .897 | 29 | August 1906 | 26 | 3 | 883 | 140 | 244 | 29 | 10 | 2 | 92 | 8 | 38 | 1,039 | 299 | 41 | 56 | .276 | .350 | .339 | .689 | ||||||
| 20 | | Giants | .889 | 27 | August 1936 | 24 | 3 | 976 | 141 | 287 | 31 | 6 | 21 | 133 | 69 | 5 | 73 | 9 | 1,074 | 393 | 58 | 24 | .294 | .344 | .403 | .746 | ||||
| 21 | Browns | .889 | 18 | May 1885 | 16 | 2 | 158 | |||||||||||||||||||||||
| 22 | | White Stockings | .889 | 18 | September 1882 | 16 | 2 | 140 | ||||||||||||||||||||||
| 23 |  | Cubs | .885 | 26 | September 1935 | 23 | 3 | 902 | 156 | 271 | 46 | 11 | 10 | 138 | 77 | 8 | 74 | 12 | 1,017 | 369 | 67 | 30 | .300 | .361 | .409 | .770 | ||||
| 24 |  | Dodgers | .875 | 16 | April 1955 | 14 | 2 | 537 | 105 | 149 | 31 | 4 | 26 | 98 | 85 | 11 | 75 | 6 | 7 | 646 | 266 | 61 | 9 | 4 | 7 | 10 | .277 | .385 | .495 | .880 |
| 25 | | White Stockings | .875 | 16 | May 1880 | 14 | 2 | 119 | ||||||||||||||||||||||
Some of the information used here was obtained free of charge from Retrosheet.
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| NL East | W | L | PCT | GB |
|---|---|---|---|---|
88 | 62 | .587 | ||
83 | 67 | .553 | 5.0 | |
74 | 76 | .493 | 14.0 | |
70 | 81 | .464 | 18.5 | |
69 | 80 | .463 | 18.5 | |
| NL Central | W | L | PCT | GB |
 Brewers - x | 93 | 57 | .620 | |
83 | 67 | .553 | 10.0 | |
75 | 75 | .500 | 18.0 | |
74 | 76 | .493 | 19.0 | |
70 | 79 | .470 | 22.5 | |
| NL West | W | L | PCT | GB |
90 | 59 | .604 | ||
81 | 68 | .544 | 9.0 | |
79 | 71 | .527 | 11.5 | |
62 | 88 | .413 | 28.5 | |
55 | 94 | .369 | 35.0 |
Braves
Phillies
Marlins
Nationals
Mets
Cubs
Pirates
Cardinals
Reds
Dodgers
Padres
Diamondbacks
Giants
Rockies| AL East | W | L | PCT | GB |
|---|---|---|---|---|
 Rays - x | 90 | 59 | .604 | |
86 | 63 | .577 | 4.0 | |
82 | 68 | .547 | 8.5 | |
75 | 75 | .500 | 15.5 | |
72 | 78 | .480 | 18.5 | |
| AL Central | W | L | PCT | GB |
76 | 73 | .510 | ||
76 | 74 | .507 | 0.5 | |
70 | 79 | .470 | 6.0 | |
70 | 79 | .470 | 6.0 | |
66 | 84 | .440 | 10.5 | |
| AL West | W | L | PCT | GB |
75 | 75 | .500 | ||
74 | 76 | .493 | 1.0 | |
70 | 80 | .467 | 5.0 | |
61 | 89 | .407 | 14.0 | |
56 | 93 | .376 | 18.5 |
Yankees
Red Sox
Blue Jays
Orioles
White Sox
Guardians
Twins
Tigers
Royals
Astros
Rangers
Mariners
Athletics
Angels