Since 2007, Josh Phelps has the best on-base percentage with 20+ games played in a month, with an on-base percentage of .579 in August 2007.
Interpreted as:
highest obp by a player in a month, minimum 20 games since 2007| 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 |  | J. Phelps | .579 | 24 | August 2007 | 31 | 9 | 16 | 3 | 1 | 4 | 12 | 6 | 0 | 4 | 0 | 0 | 38 | 33 | 8 | 0 | 1 | 0 | 0 | .516 | 1.065 | 1.643 |
| 2 | | L. Nix | .577 | 21 | July 2010 | 22 | 2 | 11 | 5 | 0 | 0 | 2 | 4 | 0 | 5 | 0 | 0 | 26 | 16 | 5 | 0 | 0 | 3 | 0 | .500 | .727 | 1.304 |
| 3 |  | 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 |
| 4 |  | 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 |
| 5 | | P. Burrell | .564 | 24 | July 2007 | 69 | 17 | 30 | 5 | 0 | 6 | 22 | 21 | 2 | 15 | 0 | 0 | 94 | 53 | 11 | 0 | 2 | 0 | 2 | .435 | .768 | 1.332 |
| 6 | | D. Freese | .562 | 22 | July 2012 | 72 | 15 | 33 | 6 | 0 | 2 | 11 | 15 | 2 | 11 | 1 | 0 | 89 | 45 | 8 | 0 | 0 | 1 | 1 | .458 | .625 | 1.187 |
| 7 |  | B. Bonds | .558 | 25 | June 2007 | 66 | 11 | 24 | 5 | 0 | 4 | 13 | 28 | 1 | 13 | 3 | 0 | 95 | 41 | 9 | 0 | 0 | 9 | 2 | .364 | .621 | 1.179 |
| 8 | | A. Ethier | .557 | 22 | September 2008 | 78 | 18 | 36 | 8 | 2 | 2 | 18 | 18 | 0 | 10 | 1 | 1 | 97 | 54 | 12 | 0 | 1 | 0 | 1 | .462 | .692 | 1.249 |
| 9 | | 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 |
| 10 | | L. Berkman | .553 | 28 | May 2008 | 104 | 31 | 49 | 11 | 1 | 9 | 22 | 18 | 1 | 18 | 6 | 1 | 123 | 89 | 21 | 0 | 0 | 6 | 1 | .471 | .856 | 1.409 |
| 11 |  | 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 |
| 12 | | 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 |
| 13 | | 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 |
| 14 |  | C. Jones | .537 | 27 | May 2008 | 96 | 21 | 40 | 7 | 0 | 4 | 14 | 24 | 1 | 9 | 0 | 0 | 121 | 59 | 11 | 0 | 0 | 4 | 5 | .417 | .615 | 1.152 |
| 15 | | B. Bonds | .536 | 22 | April 2007 | 59 | 17 | 21 | 3 | 0 | 8 | 17 | 23 | 1 | 9 | 1 | 0 | 84 | 48 | 11 | 0 | 1 | 9 | 2 | .356 | .814 | 1.349 |
| 16 |  | 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 |
| 17 | | 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 |
| 18 |  | M. Cabrera | .532 | 26 | September 2011 | 91 | 25 | 39 | 12 | 0 | 6 | 21 | 20 | 0 | 11 | 1 | 0 | 111 | 69 | 18 | 0 | 0 | 5 | 1 | .429 | .758 | 1.290 |
| 19 |  | J. Bautista | .532 | 24 | April 2011 | 82 | 25 | 30 | 5 | 1 | 9 | 15 | 28 | 1 | 16 | 4 | 0 | 111 | 64 | 15 | 0 | 0 | 1 | 0 | .366 | .780 | 1.312 |
| 20 | | 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 |
| 21 | | J. Votto | .527 | 22 | September 2012 | 67 | 6 | 23 | 7 | 0 | 0 | 7 | 25 | 1 | 16 | 0 | 0 | 93 | 30 | 7 | 0 | 0 | 5 | 0 | .343 | .448 | .975 |
| 22 | | 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 |
| 23 | | 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 |
| 24 | | 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 |
| 25 | | 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 |
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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MLB 2025 Standings
| NL East | W | L | PCT | GB |
|---|---|---|---|---|
 Phillies - y | 96 | 66 | .593 | |
83 | 79 | .512 | 13.0 | |
79 | 83 | .488 | 17.0 | |
76 | 86 | .469 | 20.0 | |
66 | 96 | .407 | 30.0 | |
| NL Central | W | L | PCT | GB |
 Brewers - y | 97 | 65 | .599 | |
 Cubs - w | 92 | 70 | .568 | 5.0 |
 Reds - w | 83 | 79 | .512 | 14.0 |
78 | 84 | .481 | 19.0 | |
71 | 91 | .438 | 26.0 | |
| NL West | W | L | PCT | GB |
 Dodgers - y | 93 | 69 | .574 | |
 Padres - w | 90 | 72 | .556 | 3.0 |
81 | 81 | .500 | 12.0 | |
80 | 82 | .494 | 13.0 | |
43 | 119 | .265 | 50.0 |
Marlins
Braves
Nationals
Giants
Diamondbacks
Rockies| AL East | W | L | PCT | GB |
|---|---|---|---|---|
 Blue Jays - y | 94 | 68 | .580 | |
 Yankees - w | 94 | 68 | .580 | |
 Red Sox - w | 89 | 73 | .549 | 5.0 |
77 | 85 | .475 | 17.0 | |
75 | 87 | .463 | 19.0 | |
| AL Central | W | L | PCT | GB |
 Guardians - y | 88 | 74 | .543 | |
 Tigers - w | 87 | 75 | .537 | 1.0 |
82 | 80 | .506 | 6.0 | |
70 | 92 | .432 | 18.0 | |
60 | 102 | .370 | 28.0 | |
| AL West | W | L | PCT | GB |
 Mariners - y | 90 | 72 | .556 | |
87 | 75 | .537 | 3.0 | |
81 | 81 | .500 | 9.0 | |
76 | 86 | .469 | 14.0 | |
72 | 90 | .444 | 18.0 |
Rays
Orioles
Royals
Twins
White Sox
Astros
Rangers
Athletics
Angels
