Since 2013, Aaron Judge has the highest on-base percentage with 20+ games played in a month, with an on-base percentage of .565 in September 2022.
Interpreted as:
highest obp by a player in a month, minimum 20 games since 2013| NAME | OBP | G | MONTH | AB | R | H | 2B | 3B | HR | RBI | BB | HBP | SO | SB | CS | PA | TB | XBH | SH | SF | IBB | GIDP | AVG | SLG | OPS | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | A. Judge | .565 | 25 | September 2022 | 84 | 26 | 35 | 8 | 0 | 10 | 17 | 30 | 0 | 26 | 1 | 1 | 115 | 73 | 18 | 0 | 1 | 8 | 0 | .417 | .869 | 1.434 |
| 2 |  | J. Soto | .565 | 28 | September 2021 | 94 | 22 | 38 | 4 | 1 | 7 | 23 | 35 | 1 | 9 | 2 | 1 | 131 | 65 | 12 | 0 | 1 | 8 | 2 | .404 | .691 | 1.256 |
| 3 |  | J. Rogers | .553 | 21 | September 2015 | 41 | 10 | 20 | 1 | 1 | 2 | 9 | 6 | 0 | 8 | 0 | 0 | 47 | 29 | 4 | 0 | 0 | 0 | 0 | .488 | .707 | 1.261 |
| 4 |  | J. Votto | .549 | 23 | July 2016 | 75 | 20 | 31 | 4 | 0 | 4 | 12 | 25 | 0 | 18 | 1 | 0 | 102 | 47 | 8 | 0 | 2 | 1 | 3 | .413 | .627 | 1.176 |
| 5 | | J. Votto | .549 | 25 | July 2015 | 84 | 18 | 34 | 7 | 0 | 5 | 13 | 26 | 2 | 16 | 1 | 0 | 113 | 56 | 12 | 0 | 1 | 2 | 2 | .405 | .667 | 1.215 |
| 6 | | T. La Stella | .545 | 21 | May 2018 | 27 | 5 | 12 | 0 | 0 | 0 | 3 | 6 | 0 | 1 | 0 | 0 | 33 | 12 | 0 | 0 | 0 | 0 | 0 | .444 | .444 | .990 |
| 7 |  | DJ LeMahieu | .534 | 25 | August 2016 | 98 | 25 | 43 | 4 | 2 | 4 | 16 | 19 | 1 | 10 | 0 | 2 | 120 | 63 | 10 | 2 | 0 | 0 | 1 | .439 | .643 | 1.177 |
| 8 | | J. Soto | .533 | 23 | September 2020 | 64 | 18 | 21 | 8 | 0 | 2 | 12 | 28 | 0 | 15 | 5 | 1 | 92 | 35 | 10 | 0 | 0 | 11 | 0 | .328 | .547 | 1.079 |
| 9 | | A. Judge | .530 | 26 | August 2024 | 90 | 21 | 35 | 6 | 0 | 12 | 24 | 25 | 2 | 23 | 2 | 0 | 117 | 77 | 18 | 0 | 0 | 10 | 5 | .389 | .856 | 1.385 |
| 10 | | A. Judge | .527 | 25 | September 2025 | 81 | 27 | 30 | 2 | 0 | 10 | 17 | 27 | 2 | 17 | 3 | 2 | 112 | 62 | 12 | 0 | 2 | 6 | 4 | .370 | .765 | 1.292 |
| 11 | | M. Joyce | .526 | 23 | April 2016 | 29 | 6 | 11 | 2 | 0 | 3 | 9 | 9 | 0 | 8 | 0 | 1 | 38 | 22 | 5 | 0 | 0 | 0 | 1 | .379 | .759 | 1.285 |
| 12 | | J. Votto | .524 | 28 | August 2015 | 86 | 20 | 27 | 8 | 0 | 6 | 14 | 38 | 0 | 25 | 2 | 1 | 124 | 53 | 14 | 0 | 0 | 4 | 2 | .314 | .616 | 1.140 |
| 13 | | J. Berti | .524 | 22 | September 2023 | 50 | 9 | 20 | 2 | 1 | 4 | 8 | 12 | 1 | 9 | 3 | 1 | 63 | 36 | 7 | 0 | 0 | 0 | 0 | .400 | .720 | 1.244 |
| 14 |  | J. Altuve | .523 | 23 | July 2017 | 99 | 22 | 48 | 10 | 1 | 4 | 21 | 7 | 1 | 9 | 8 | 2 | 107 | 72 | 15 | 0 | 0 | 0 | 2 | .485 | .727 | 1.251 |
| 15 |  | M. Trout | .523 | 21 | April 2021 | 73 | 18 | 31 | 8 | 0 | 6 | 14 | 14 | 1 | 23 | 0 | 0 | 88 | 57 | 14 | 0 | 0 | 3 | 0 | .425 | .781 | 1.304 |
| 16 |  | B. Witt Jr. | .520 | 23 | July 2024 | 90 | 26 | 44 | 8 | 1 | 7 | 22 | 6 | 2 | 10 | 2 | 2 | 100 | 75 | 16 | 0 | 2 | 0 | 0 | .489 | .833 | 1.353 |
| 17 | | J. Votto | .519 | 29 | August 2017 | 97 | 23 | 33 | 7 | 0 | 7 | 20 | 35 | 1 | 17 | 1 | 0 | 133 | 61 | 14 | 0 | 0 | 4 | 2 | .340 | .629 | 1.148 |
| 18 | | J. Kipnis | .517 | 27 | June 2013 | 93 | 17 | 39 | 12 | 1 | 4 | 25 | 20 | 2 | 22 | 9 | 1 | 118 | 65 | 17 | 0 | 3 | 0 | 1 | .419 | .699 | 1.216 |
| 19 |  | M. Betts | .516 | 28 | August 2023 | 112 | 35 | 51 | 10 | 0 | 11 | 30 | 12 | 2 | 17 | 3 | 1 | 126 | 94 | 21 | 0 | 0 | 0 | 1 | .455 | .839 | 1.355 |
| 20 |  | S. Choo | .515 | 28 | September 2015 | 104 | 26 | 42 | 6 | 1 | 5 | 20 | 21 | 4 | 20 | 1 | 1 | 131 | 65 | 12 | 1 | 1 | 0 | 0 | .404 | .625 | 1.140 |
| 21 | | A. Judge | .514 | 25 | June 2024 | 88 | 25 | 36 | 5 | 1 | 11 | 37 | 16 | 3 | 26 | 3 | 0 | 107 | 76 | 17 | 0 | 0 | 2 | 2 | .409 | .864 | 1.378 |
| 22 | | D. Fry | .513 | 21 | May 2024 | 60 | 19 | 23 | 1 | 0 | 7 | 18 | 13 | 3 | 11 | 3 | 0 | 76 | 45 | 8 | 0 | 0 | 1 | 2 | .383 | .750 | 1.263 |
| 23 |  | E. Ruiz | .513 | 20 | June 2026 | 30 | 8 | 11 | 4 | 0 | 2 | 4 | 5 | 4 | 10 | 6 | 2 | 39 | 21 | 6 | 0 | 0 | 0 | 0 | .367 | .700 | 1.213 |
| 24 |  | P. Goldschmidt | .512 | 21 | August 2020 | 64 | 13 | 23 | 6 | 0 | 2 | 10 | 20 | 1 | 8 | 1 | 0 | 86 | 35 | 8 | 0 | 1 | 0 | 2 | .359 | .547 | 1.059 |
| 25 | | J. Kipnis | .511 | 29 | May 2015 | 119 | 30 | 51 | 15 | 3 | 4 | 17 | 16 | 5 | 17 | 3 | 4 | 143 | 84 | 22 | 2 | 1 | 2 | 0 | .429 | .706 | 1.217 |
StatMuse has game-level data for games and on-base percentage going back to the 1908 season.
Some of the information used here was obtained free of charge from Retrosheet.
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Team Batting Leaders 
HR
22
Rice
RBI
53
Rice
AVG
.297
Goldschmidt
Team Pitching Leaders 
W
8
Schlittler
K
109
Schlittler
ERA
1.71
Schlittler
Team Rankings
HR
119
1st
R
400
5th
SO
689
12th
ERA
3.34
1st
Yankees
Rays
Blue Jays
Orioles
Red Sox
DET
MLB 2026 Batting Leaders
MLB 2026 Pitching Leaders
MLB Fantasy 2026
MLB 2026 Betting
MLB 2026 Standings
| NL East | W | L | PCT | GB |
|---|---|---|---|---|
48 | 31 | .608 | ||
44 | 36 | .550 | 4.5 | |
42 | 39 | .519 | 7.0 | |
41 | 40 | .506 | 8.0 | |
34 | 46 | .425 | 14.5 | |
| NL Central | W | L | PCT | GB |
49 | 29 | .628 | ||
42 | 36 | .538 | 7.0 | |
43 | 37 | .538 | 7.0 | |
40 | 40 | .500 | 10.0 | |
37 | 42 | .468 | 12.5 | |
| NL West | W | L | PCT | GB |
52 | 29 | .642 | ||
42 | 37 | .532 | 9.0 | |
41 | 39 | .513 | 10.5 | |
33 | 46 | .418 | 18.0 | |
32 | 49 | .395 | 20.0 |
Braves
Phillies
Marlins
Nationals
Mets
Brewers
Cardinals
Cubs
Pirates
Reds
Dodgers
Padres
Diamondbacks
Giants
Rockies| AL East | W | L | PCT | GB |
|---|---|---|---|---|
48 | 31 | .608 | ||
44 | 33 | .571 | 3.0 | |
39 | 41 | .488 | 9.5 | |
38 | 44 | .463 | 11.5 | |
32 | 46 | .410 | 15.5 | |
| AL Central | W | L | PCT | GB |
41 | 38 | .519 | ||
42 | 39 | .519 | ||
38 | 44 | .463 | 4.5 | |
34 | 46 | .425 | 7.5 | |
34 | 47 | .420 | 8.0 | |
| AL West | W | L | PCT | GB |
41 | 40 | .506 | ||
39 | 43 | .476 | 2.5 | |
38 | 42 | .475 | 2.5 | |
38 | 42 | .475 | 2.5 | |
34 | 48 | .415 | 7.5 |
White Sox
Guardians
Twins
Royals
Mariners
Astros
Athletics
Rangers
Angels