highest obp by a rookie major league player, since 1901

Since 1901, Joe Jackson has the highest on-base percentage by a rookie, with an on-base percentage of .468 in 1911.

Interpreted as:
highest OBP with a minimum of 3.1 PA per team game by a rookie major league player, since 1901
NAMEOBPSEASONTMGABRH2B3BHRRBIBBHBPSOSBCSPATBXBHSHSFIBBGIDPAVGSLGOPSwRCWRAAwOBAwRC+BRAA
1Joe Jackson
J. Jackson
.468
1911
147
571
126
233
45
19
7
83
56
8
43
41
641
337
71
6
.408
.590
1.058
151
75.1
.494
184
68.6
2Benny Kauff
B. Kauff
.447
1914
154
571
120
211
44
13
8
95
72
8
55
75
667
305
65
16
.370
.534
.981
136
66
.465
167
52.6
3Charlie Keller
C. Keller
.447
1939
111
398
87
133
21
6
11
83
81
0
49
6
3
490
199
38
11
4
.334
.500
.947
97
36.5
.436
146
31.4
4Fred Snodgrass
F. Snodgrass
.440
1910
123
396
69
127
22
8
2
44
71
13
52
33
493
171
32
13
.321
.432
.871
87
36.2
.427
152
29.6
5Ted Williams
T. Williams
.436
1939
149
565
131
185
44
11
31
145
107
2
64
2
1
677
344
86
3
10
.327
.609
1.045
150
66.1
.464
156
53.1
6Minnie Minoso
M. Minoso
.422
1951
TOT
146
530
112
173
34
14
10
76
72
16
42
31
10
622
265
58
4
12
.326
.500
.922
115
41.8
.423
150
38.9
7Aaron Judge
A. Judge
.422
2017
155
542
128
154
24
3
52
114
127
5
208
9
4
678
340
79
0
4
11
15
.284
.627
1.049
145
62.5
.430
174
61.5
8Lu Blue
L. Blue
.416
1921
153
585
103
180
33
11
5
75
103
5
47
13
17
709
250
49
16
.308
.427
.843
116
27.7
.396
120
19.2
9Billy Goodman
B. Goodman
.414
1948
127
445
65
138
27
2
1
66
74
5
44
5
3
527
172
30
3
18
.310
.387
.801
80
17.9
.385
111
7.8
10Ferris Fain
F. Fain
.414
1947
136
461
70
134
28
6
7
71
95
2
34
4
5
567
195
41
9
15
.291
.423
.837
90
26
.396
137
24.4
11Paul Waner
P. Waner
.413
1926
144
536
101
180
35
22
8
79
66
4
19
11
618
283
65
12
.336
.528
.941
116
41.4
.430
148
36.3
12Les Fleming
L. Fleming
.412
1942
156
548
71
160
27
4
14
82
106
6
57
6
8
662
237
45
2
13
.292
.432
.845
109
38.3
.404
144
34.3
13Joe Sewell
J. Sewell
.412
1921
154
572
101
182
36
12
4
93
80
11
17
7
6
683
254
52
20
.318
.444
.856
114
28.3
.399
120
18.4
14Earle Combs
E. Combs
.411
1925
150
593
117
203
36
13
3
62
65
4
43
12
13
673
274
52
11
.342
.462
.873
116
27.8
.403
124
22.6
15Richie Ashburn
R. Ashburn
.410
1948
117
463
78
154
17
4
2
40
60
1
22
32
530
185
23
6
1
.333
.400
.810
81
18.3
.385
127
17.5
16Patsy Dougherty
P. Dougherty
.407
1902
108
438
77
150
12
6
0
34
42
6
41
20
489
174
18
3
.342
.397
.805
82
24.2
.390
122
15
17Ray Grimes
R. Grimes
.406
1921
147
530
91
170
38
6
6
79
70
6
55
5
8
622
238
50
16
.321
.449
.855
103
25
.397
130
23.6
18Al Rosen
A. Rosen
.405
1950
155
554
100
159
23
4
37
116
100
10
72
5
7
668
301
64
4
27
.287
.543
.948
127
43.5
.426
143
39.6
19Mitchell Page
M. Page
.405
1977
145
501
85
154
28
8
21
75
78
6
95
42
5
592
261
57
4
3
6
7
.307
.521
.926
107
38.1
.404
157
39.7
20Ike Boone
I. Boone
.404
1924
128
487
72
164
31
4
13
98
54
1
32
2
2
545
242
48
3
.337
.497
.901
96
29.4
.415
129
21.6
21Earl Torgeson
E. Torgeson
.403
1947
128
399
73
112
20
6
16
78
82
0
59
11
484
192
42
3
6
.281
.481
.885
82
27.4
.410
134
20.8
22Albert Pujols
A. Pujols
.403
2001
161
590
112
194
47
4
37
130
69
9
93
1
3
676
360
88
1
7
6
21
.329
.610
1.013
139
54.7
.423
159
51.9
23Kiki Cuyler
K. Cuyler
.402
1924
117
466
94
165
27
16
9
85
30
7
62
32
11
515
251
52
12
.354
.539
.940
96
32.9
.428
148
31
24Fred Lynn
F. Lynn
.401
1975
145
528
103
175
47
7
21
105
62
3
90
10
5
605
299
75
6
6
10
11
.331
.566
.967
114
48.1
.427
161
41.5
25Kevin McGonigle
K. McGonigle
.400
2026
42
157
27
46
12
2
2
16
26
2
24
7
0
185
68
16
0
0
0
0
.293
.433
.833
30
8.6
.376
139
8.5

More MLB News

More Guardians Stats

Team Batting Leaders

HR

7

Martínez

Angel Martínez

RBI

26

DeLauter

Chase DeLauter

AVG

.294

DeLauter

Chase DeLauter
Team Pitching Leaders

W

5

Messick

Parker Messick

K

66

Williams

Gavin Williams

ERA

2.35

Messick

Parker Messick
Team Rankings

HR

42

19th

R

187

17th

SO

420

1st

ERA

3.81

11th

2026 Division Standings
TEAMWLPCTGB
Guardians Guardians
24
21
.533
21
21
.500
1.5
20
24
.455
3.5
19
24
.442
4.0
19
25
.432
4.5
Schedule
DATEMATCHUPTIME (ET)
Fri
5/15
@
7:10 PM
Sat
5/16
@
6:10 PM
Sun
5/17
@
1:40 PM
Mon
5/18
@
6:40 PM
Tue
5/19
@
6:40 PM
Last Game
LAA Angels

16 - 28

2

Final

4

CLE Guardians

24 - 21

Wed 13 May 2026

MLB 2026 Batting Leaders

MLB 2026 Pitching Leaders

MLB Fantasy 2026

MLB 2026 Betting

MLB 2026 Standings

NL EastWLPCTGB
30
14
.682
21
23
.477
9.0
21
23
.477
9.0
20
24
.455
10.0
18
25
.419
11.5
NL CentralWLPCTGB
28
16
.636
24
17
.585
2.5
25
18
.581
2.5
24
20
.545
4.0
23
21
.523
5.0
NL WestWLPCTGB
25
18
.581
25
18
.581
20
22
.476
4.5
18
25
.419
7.0
17
27
.386
8.5
AL EastWLPCTGB
28
14
.667
27
17
.614
2.0
20
24
.455
9.0
19
24
.442
9.5
18
25
.419
10.5
AL CentralWLPCTGB
24
21
.533
21
21
.500
1.5
20
24
.455
3.5
19
24
.442
4.0
19
25
.432
4.5
AL WestWLPCTGB
22
21
.512
22
23
.489
1.0
21
22
.488
1.0
17
28
.378
6.0
16
28
.364
6.5

MLB 2026 Scores & Schedule

Scores

DATEMATCHUPSCORE
Wed
4/29
@
2-3
Wed
4/29
@
5-3
Wed
4/29
@
1-8
Wed
4/29
@
14-2
Wed
4/29
@
3-4

Schedule

DATEMATCHUPTIME (ET)
Thu
5/14
@
10:10 PM
Fri
5/15
@
6:40 PM
Fri
5/15
@
6:45 PM
Fri
5/15
@
6:45 PM
Fri
5/15
@
7:10 PM