who had the highest on base percentage in a month

49 players are tied for the best on-base percentage in a month, with an on-base percentage of 1.000. The first three are Jack Winkler in July 2025, José Fermín in June 2025 and in October 2023 and José Tena in March 2025.

NAMEOBPMONTHGABRH2B3BHRRBIBBHBPSOSBCSPATBXBHSHSFIBBGIDPAVGSLGOPS
1Jack Winkler
J. Winkler
1.000
July 2025
2
1
0
1
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
1.000
1.000
2.000
2José Fermín
J. Fermín
1.000
June 2025
3
3
1
3
0
0
0
0
0
0
0
1
0
3
3
0
0
0
0
0
1.000
1.000
2.000
3José Tena
J. Tena
1.000
March 2025
1
1
0
1
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
1.000
1.000
2.000
4Miles Mastrobuoni
M. Mastrobuoni
1.000
March 2025
1
1
0
1
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
1.000
1.000
2.000
5Ryne Nelson
R. Nelson
1.000
March 2025
1
1
1
1
0
0
0
1
0
0
0
0
0
1
1
0
0
0
0
0
1.000
1.000
2.000
6Jacob Hurtubise
J. Hurtubise
1.000
March 2025
3
0
1
0
0
0
0
0
1
1
0
0
0
2
0
0
0
0
0
0
7Duke Ellis
D. Ellis
1.000
September 2024
3
1
0
1
0
0
0
0
0
0
0
1
0
1
1
0
0
0
0
0
1.000
1.000
2.000
8Joey Wiemer
J. Wiemer
1.000
August 2024
2
0
0
0
0
0
0
0
1
0
0
0
0
1
0
0
0
0
0
0
9Alika Williams
A. Williams
1.000
July 2024
1
0
2
0
0
0
0
1
0
1
0
0
0
1
0
0
0
0
0
0
10Jacob Wilson
J. Wilson
1.000
July 2024
1
1
1
1
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
1.000
1.000
2.000
11Ben Gamel
B. Gamel
1.000
June 2024
2
0
0
0
0
0
0
0
1
0
0
0
0
1
0
0
0
0
0
0
12Lenyn Sosa
L. Sosa
1.000
May 2024
1
1
0
1
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
1.000
1.000
2.000
13Ryan McKenna
R. McKenna
1.000
April 2024
2
1
0
1
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
1.000
1.000
2.000
14Travis Jankowski
T. Jankowski
1.000
March 2024
2
1
1
1
0
0
1
1
0
0
0
0
0
1
4
1
0
0
0
0
1.000
4.000
5.000
15Royce Lewis
R. Lewis
1.000
March 2024
1
2
1
2
0
0
1
1
0
0
0
0
0
2
5
1
0
0
0
0
1.000
2.500
3.500
16Victor Caratini
V. Caratini
1.000
October 2023
1
1
0
1
1
0
0
0
0
0
0
0
0
1
2
1
0
0
0
0
1.000
2.000
3.000
17Elias Díaz
E. Díaz
1.000
October 2023
1
1
0
1
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
1.000
1.000
2.000
18Matt Olson
M. Olson
1.000
October 2023
1
1
0
1
0
0
0
2
0
0
0
0
0
1
1
0
0
0
0
0
1.000
1.000
2.000
19David Peralta
D. Peralta
1.000
October 2023
1
1
0
1
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
1.000
1.000
2.000
20Dominic Smith
D. Smith
1.000
October 2023
1
0
1
0
0
0
0
0
1
0
0
0
0
1
0
0
0
0
1
0
21Rowdy Tellez
R. Tellez
1.000
October 2023
1
0
0
0
0
0
0
0
1
0
0
0
0
1
0
0
0
0
0
0
22Juan Soto
J. Soto
1.000
October 2023
1
0
0
0
0
0
0
0
1
0
0
0
0
1
0
0
0
0
0
0
23Brent Rooker
B. Rooker
1.000
October 2023
1
3
1
3
1
0
1
1
1
0
0
0
0
4
7
2
0
0
0
0
1.000
2.333
3.333
24Sean Bouchard
S. Bouchard
1.000
October 2023
1
1
1
1
0
0
1
1
0
0
0
0
0
1
4
1
0
0
0
0
1.000
4.000
5.000
25Will Brennan
W. Brennan
1.000
October 2023
1
1
0
1
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
1.000
1.000
2.000
StatMuse has game-level data for on-base percentage going back to the 1908 season.
Some of the information used here was obtained free of charge from Retrosheet.

More Marlins Stats

Team Batting Leaders

HR

25

Stowers

Kyle Stowers

RBI

77

Lopez

Otto Lopez

AVG

.288

Stowers

Kyle Stowers
Team Pitching Leaders

W

11

Alcantara

Sandy Alcantara

K

150

Cabrera

Edward Cabrera

ERA

3.53

Cabrera

Edward Cabrera
Team Rankings

HR

154

27th

R

709

16th

SO

1,294

22nd

ERA

4.60

25th

2025 Division Standings
TEAMWLPCTGB
96
66
.593
83
79
.512
13.0
Marlins Marlins
79
83
.488
17.0
76
86
.469
20.0
66
96
.407
30.0
Schedule
DATEMATCHUPTIME (ET)
Fri
3/27
@
7:10 PM
Sat
3/28
@
4:10 PM
Sun
3/29
@
1:40 PM
Mon
3/30
@
6:40 PM
Tue
3/31
@
6:40 PM
Last Game
NYM Mets

83 - 79

0

Final

4

MIA Marlins

79 - 83

Sun 28 Sep 2025

MLB 2025 Batting Leaders

MLB 2025 Pitching Leaders

MLB Fantasy 2025

MLB 2025 Betting

MLB 2025 Standings

NL EastWLPCTGB
96
66
.593
83
79
.512
13.0
79
83
.488
17.0
76
86
.469
20.0
66
96
.407
30.0
NL CentralWLPCTGB
97
65
.599
Cubs Cubs - w
92
70
.568
5.0
Reds Reds - w
83
79
.512
14.0
78
84
.481
19.0
71
91
.438
26.0
NL WestWLPCTGB
93
69
.574
90
72
.556
3.0
81
81
.500
12.0
80
82
.494
13.0
43
119
.265
50.0
AL EastWLPCTGB
94
68
.580
94
68
.580
89
73
.549
5.0
77
85
.475
17.0
75
87
.463
19.0
AL CentralWLPCTGB
88
74
.543
87
75
.537
1.0
82
80
.506
6.0
70
92
.432
18.0
60
102
.370
28.0
AL WestWLPCTGB
90
72
.556
87
75
.537
3.0
81
81
.500
9.0
76
86
.469
14.0
72
90
.444
18.0

MLB 2025 Scores & Schedule

Scores

DATEMATCHUPSCORE
Tue
9/16
@
6-2
Tue
9/16
@
9-4
Tue
9/16
@
4-5
Tue
9/16
@
1-2
Tue
9/16
@
5-7

Schedule

DATEMATCHUPTIME (ET)
Wed
3/25
@
8:05 PM
Thu
3/26
@
1:15 PM
Thu
3/26
@
2:10 PM
Thu
3/26
@
2:20 PM
Thu
3/26
@
3:05 PM