lowest era single season with at least 40 innings pitched since 1900

Since 1900, Buck O'Brien has the best ERA with 40.0+ innings pitched in a season, with an ERA of 0.38 in his rookie season in 1911.

Showing:
  • Regular season
NAMEERAIPSEASONTMGWLW%GSSOCGSHOSVHERRHRBBHBPGFIBBTBFWPK/9BB/9K/BBHR/9K%BB%WHIPBABIPRAERA-FIPFIP-H/9PRAA
1Buck O'Brien
B. O'Brien
0.38
47.2
1911
6
5
1
.833
5
31
5
2
0
30
2
9
0
21
1
1
189
0
5.85
3.97
1.48
0.00
16.4
11.1
1.07
.221
1.70
11
2.85
88
5.66
2
2Zack Britton
Z. Britton
0.54
67.0
2016
69
2
1
.667
0
74
0
0
47
38
4
7
1
18
0
63
3
254
10
9.94
2.42
4.11
0.13
29.1
7.1
0.84
.230
0.94
13
1.93
44
5.10
17.7
3Joey Devine
J. Devine
0.59
45.2
2008
42
6
1
.857
0
49
0
0
1
23
3
7
0
15
0
10
2
170
0
9.66
2.96
3.27
0.00
28.8
8.8
0.83
.217
1.38
14
1.96
46
4.53
11.7
4Fernando Rodney
F. Rodney
0.60
74.2
2012
76
2
2
.500
0
76
0
0
48
43
5
9
2
15
3
65
1
282
4
9.16
1.81
5.07
0.24
27.0
5.3
0.78
.220
1.08
16
2.12
52
5.18
16.2
5Emmanuel Clase
E. Clase
0.61
74.1
2024
74
4
2
.667
0
66
0
0
47
39
5
10
2
10
2
66
1
270
2
7.99
1.21
6.60
0.24
24.4
3.7
0.66
.195
1.21
15
2.22
55
4.72
15.2
6Dennis Eckersley
D. Eckersley
0.61
73.1
1990
63
4
2
.667
0
73
0
0
48
41
5
9
2
4
0
61
1
262
0
8.96
0.49
18.25
0.25
27.9
1.5
0.61
.213
1.10
17
1.33
35
5.03
20.6
7George McQuillan
G. McQuillan
0.66
41.0
1907
6
4
0
1.000
5
28
5
3
0
21
3
3
0
11
1
1
145
1
6.15
2.41
2.55
0.00
19.3
7.6
0.78
.200
0.66
27
1.69
64
4.61
4.3
8Casey Sadler
C. Sadler
0.67
40.1
2021
42
0
1
.000
0
37
0
0
0
19
3
4
1
10
1
2
0
145
2
8.26
2.23
3.70
0.22
25.5
6.9
0.72
.188
0.89
16
2.47
59
4.24
7.7
9Rob Murphy
R. Murphy
0.72
50.1
1986
34
6
0
1.000
0
36
0
0
1
26
4
4
0
21
0
12
2
195
5
6.44
3.75
1.71
0.00
18.5
10.8
0.93
.188
0.72
19
2.58
67
4.65
7
10Barry Latman
B. Latman
0.76
47.2
1958
13
3
0
1.000
3
28
1
1
0
27
4
7
1
17
1
3
0
188
1
5.29
3.21
1.65
0.19
14.9
9.0
0.92
.184
1.32
20
2.71
73
5.10
5.5
11Rich Gossage
R. Gossage
0.77
46.2
1981
32
3
2
.600
0
48
0
0
20
22
4
6
2
14
1
30
1
173
1
9.26
2.70
3.43
0.39
27.7
8.1
0.77
.185
1.16
22
2.06
57
4.24
8.3
12Blake Treinen
B. Treinen
0.78
80.1
2018
68
9
2
.818
0
100
0
0
38
46
7
12
2
21
1
58
3
315
6
11.20
2.35
4.76
0.22
31.7
6.7
0.83
.230
1.34
19
1.81
44
5.15
21
13Earl Hamilton
E. Hamilton
0.83
54.0
1918
6
6
0
1.000
6
20
6
1
0
47
5
7
0
13
0
0
210
1
3.33
2.17
1.54
0.00
9.5
6.2
1.11
.266
1.17
30
2.21
80
7.83
3.3
14Nick Maddox
N. Maddox
0.83
54.0
1907
6
5
1
.833
6
38
6
1
0
32
5
8
0
13
4
0
197
1
6.33
2.17
2.92
0.00
19.3
6.6
0.83
.225
1.33
34
1.72
65
5.33
5.5
15Cisco Carlos
C. Carlos
0.86
41.2
1967
8
2
0
1.000
7
27
1
1
0
23
4
5
0
9
1
1
0
158
1
5.83
1.94
3.00
0.00
17.1
5.7
0.77
.190
1.08
28
1.96
60
4.97
6.1
16Bill Henry
B. Henry
0.87
52.0
1964
37
2
2
.500
0
28
0
0
6
31
5
9
2
12
3
20
4
202
1
4.85
2.08
2.33
0.35
13.9
5.9
0.83
.185
1.56
24
2.89
82
5.37
3.6
17Dennys Reyes
D. Reyes
0.89
50.2
2006
66
5
0
1.000
0
49
0
0
0
35
5
8
3
15
0
8
2
194
4
8.70
2.66
3.27
0.53
25.3
7.7
0.99
.252
1.42
20
2.86
65
6.22
8.7
18Ferdie Schupp
F. Schupp
0.90
140.1
1916
30
9
3
.750
11
86
8
4
1
79
14
22
1
37
5
17
525
2
5.52
2.37
2.32
0.06
16.4
7.0
0.83
.197
1.41
36
2.08
84
5.07
6.1
19Jonathan Papelbon
J. Papelbon
0.92
68.1
2006
59
4
2
.667
0
75
0
0
35
40
7
8
3
13
1
49
2
257
2
9.88
1.71
5.77
0.40
29.2
5.1
0.78
.224
1.05
20
2.13
48
5.27
17.7
20Wade Davis
W. Davis
0.94
67.1
2015
69
8
1
.889
0
78
0
0
17
33
7
8
3
20
0
24
1
251
1
10.43
2.67
3.90
0.40
31.1
8.0
0.79
.200
1.07
23
2.28
58
4.41
12.7
21Chris Hammond
C. Hammond
0.95
76.0
2002
63
7
2
.778
0
63
0
0
0
53
8
15
1
31
1
6
9
311
1
7.46
3.67
2.03
0.12
20.3
10.0
1.11
.242
1.78
23
2.73
65
6.28
12.3
22Aaron Loup
A. Loup
0.95
56.2
2021
65
6
0
1.000
2
57
0
0
0
37
6
9
1
16
4
6
0
218
0
9.05
2.54
3.56
0.16
26.1
7.3
0.94
.257
1.43
24
2.44
58
5.88
11.2
23Dutch Leonard
D. Leonard
0.96
224.2
1914
36
19
5
.792
25
176
17
7
3
139
24
34
3
60
8
8
842
2
7.05
2.40
2.93
0.12
20.9
7.1
0.89
.229
1.36
36
1.95
70
5.57
20.4
24Eric O'Flaherty
E. O'Flaherty
0.98
73.2
2011
78
2
4
.333
0
67
0
0
0
59
8
9
2
21
3
5
8
301
1
8.19
2.57
3.19
0.24
22.3
7.0
1.09
.274
1.10
26
2.53
67
7.21
10.3
25Wade Davis
W. Davis
1.00
72.0
2014
71
9
2
.818
0
109
0
0
3
38
8
8
0
23
3
11
0
279
1
13.63
2.88
4.74
0.00
39.1
8.2
0.85
.264
1.00
25
1.18
32
4.75
20.7

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RBI

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AVG

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Team Pitching Leaders

K

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ERA

0.00

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Aroldis Chapman
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2026 Division Standings
TEAMWLPCTGB
98
64
.605
93
68
.578
4.5
Red Sox Red Sox
87
75
.537
11.0
79
82
.491
18.5
79
83
.488
19.0
Last Game
BOS Red Sox

0 - 2

2

Final

9

NYY Yankees

2 - 0

Wed 30 Sep 2026

MLB 2026 Batting Leaders

MLB 2026 Pitching Leaders

MLB Fantasy 2026

MLB 2026 Betting

MLB 2026 Standings

NL EastWLPCTGB
94
68
.580
88
74
.543
6.0
80
82
.494
14.0
77
85
.475
17.0
74
88
.457
20.0
NL CentralWLPCTGB
103
59
.636
Cubs Cubs - w
89
73
.549
14.0
82
80
.506
21.0
77
85
.475
26.0
75
87
.463
28.0
NL WestWLPCTGB
100
62
.617
91
71
.562
9.0
86
76
.531
14.0
65
97
.401
35.0
58
104
.358
42.0
AL EastWLPCTGB
Rays Rays - y
98
64
.605
93
68
.578
4.5
87
75
.537
11.0
79
82
.491
18.5
79
83
.488
19.0
AL CentralWLPCTGB
85
77
.525
84
78
.519
1.0
77
85
.475
8.0
76
86
.469
9.0
69
93
.426
16.0
AL WestWLPCTGB
81
81
.500
80
82
.494
1.0
76
86
.469
5.0
64
98
.395
17.0
62
100
.383
19.0

MLB 2026 Scores & Schedule

Scores

DATEMATCHUPSCORE
Sun
9/13
@
0-2
Sun
9/13
@
5-6
Sun
9/13
@
1-8
Sun
9/13
@
4-6
Sun
9/13
@
9-2

Schedule

DATEMATCHUPTIME (ET)
Thu
10/1
@
8:00 PM
Sat
10/3
@
1:00 PM
Sat
10/3
@
6:30 PM
Sat
10/3
@
8:30 PM
Sun
10/4
@
4:00 PM