lowest single season era for a relief pitcher minimum 20 games

J.P. Feyereisen, Tyler Olson and Charley Hall are tied for the lowest ERA by a relief pitcher with 20+ games pitched in a season, with an ERA of 0.00.

NAMEERAGSEASONTMWLW%GSSOCGSHOSVIPHERRHRBBHBPGFIBBTBFWPK/9BB/9K/BBHR/9K%BB%WHIPBABIPRAH/9
1J.P. Feyereisen
J.P. Feyereisen
0.00
20
2022
4
0
1.000
0
20
0
0
1
20.1
7
0
1
0
5
0
3
0
74
0
8.85
2.21
4.00
0.00
27.0
6.8
0.59
.143
0.44
3.10
2Tyler Olson
T. Olson
0.00
30
2017
1
0
1.000
0
18
0
0
1
20.0
13
0
0
0
6
1
4
0
77
0
8.10
2.70
3.00
0.00
23.4
7.8
0.95
.250
0.00
5.85
3Charley Hall
C. Hall
0.00
22
1911
4
3
.571
0
37
0
0
4
68.1
61
43
1
30
4
19
281
0
4.87
3.95
1.23
0.13
13.2
10.7
1.33
.287
5.66
8.03
4Ed Walsh
E. Walsh
0.16
21
1912
4
2
.667
0
40
0
0
10
55.1
41
10
0
14
0
20
212
3
6.51
2.28
2.86
0.00
18.9
6.6
0.99
.259
1.63
6.67
5Mordecai Brown
M. Brown
0.31
26
1911
6
2
.750
0
29
0
0
12
57.2
57
20
2
10
2
25
228
1
4.53
1.56
2.90
0.31
12.7
4.4
1.16
.297
3.12
8.90
6Devin Williams
D. Williams
0.33
22
2020
4
1
.800
0
53
0
0
0
27.0
8
1
4
1
9
1
1
0
100
3
17.67
3.00
5.89
0.33
53.0
9.0
0.63
.194
1.33
2.67
7Jake Diekman
J. Diekman
0.42
21
2020
2
0
1.000
0
31
0
0
0
21.1
8
1
2
1
12
1
2
1
84
0
13.08
5.06
2.58
0.42
36.9
14.3
0.94
.179
0.84
3.38
8Doc Crandall
D. Crandall
0.43
26
1911
7
0
1.000
0
47
0
0
5
84.1
74
29
2
20
1
26
351
1
5.02
2.13
2.35
0.21
13.4
5.7
1.11
.256
3.09
7.90
9Craig Kimbrel
C. Kimbrel
0.44
21
2010
4
0
1.000
0
40
0
0
1
20.2
9
1
2
0
16
0
7
1
88
4
17.42
6.97
2.50
0.00
45.5
18.2
1.21
.281
0.87
3.92
10Kevin Siegrist
K. Siegrist
0.45
45
2013
3
1
.750
0
50
0
0
0
39.2
17
2
2
1
18
1
15
1
152
0
11.34
4.08
2.78
0.23
32.9
11.8
0.88
.195
0.45
3.86
11Big Jeff Pfeffer
B. Jeff Pfeffer
0.49
20
1911
4
2
.667
0
16
0
0
2
55.1
61
42
3
34
0
16
246
0
2.60
5.53
0.47
0.49
6.5
13.8
1.72
.301
6.83
9.92
12Donnie Hart
D. Hart
0.49
22
2016
0
0
0
12
0
0
0
18.1
12
1
1
1
6
0
3
1
71
0
5.89
2.95
2.00
0.49
16.9
8.5
0.98
.212
0.49
5.89
13Zack Britton
Z. Britton
0.54
69
2016
2
1
.667
0
74
0
0
47
67.0
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
5.10
14Joey Devine
J. Devine
0.59
42
2008
6
1
.857
0
49
0
0
1
45.2
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
4.53
15Fernando Rodney
F. Rodney
0.60
76
2012
2
2
.500
0
76
0
0
48
74.2
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
5.18
16Emmanuel Clase
E. Clase
0.61
74
2024
4
2
.667
0
66
0
0
47
74.1
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
4.72
17Louis Coleman
L. Coleman
0.61
27
2013
3
0
1.000
0
32
0
0
0
29.2
19
2
2
1
6
1
8
1
110
1
9.71
1.82
5.33
0.30
29.1
5.5
0.84
.257
0.61
5.76
18Dennis Eckersley
D. Eckersley
0.61
63
1990
4
2
.667
0
73
0
0
48
73.1
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
5.03
19Al Benton
A. Benton
0.62
29
1949
4
0
1.000
0
14
0
0
10
58.0
37
4
5
1
21
0
18
222
0
2.17
3.26
0.67
0.16
6.3
9.5
1.00
.194
0.78
5.74
20Ricky Horton
R. Horton
0.65
33
1986
1
0
1.000
0
18
0
0
3
41.2
24
3
3
2
11
1
12
3
154
0
3.89
2.38
1.64
0.43
11.7
7.1
0.84
.180
0.65
5.18
21Brock Stewart
B. Stewart
0.65
28
2023
2
0
1.000
0
39
0
0
1
27.2
19
2
2
1
11
1
5
3
109
1
12.69
3.58
3.55
0.33
35.8
10.1
1.08
.316
0.65
6.18
22Kenley Jansen
K. Jansen
0.67
25
2010
1
0
1.000
0
41
0
0
4
27.0
12
2
2
0
15
1
8
1
109
1
13.67
5.00
2.73
0.00
37.6
13.8
1.00
.231
0.67
4.00
23Casey Sadler
C. Sadler
0.67
42
2021
0
1
.000
0
37
0
0
0
40.1
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
4.24
24Hank Aguirre
H. Aguirre
0.69
25
1968
1
2
.333
0
25
0
0
3
39.0
32
3
8
0
13
3
16
3
167
4
5.77
3.00
1.92
0.00
15.0
7.8
1.15
.254
1.85
7.38
25Bob Veale
B. Veale
0.70
27
1963
1
0
1.000
0
26
0
0
3
25.2
25
2
4
1
15
0
10
0
115
5
9.12
5.26
1.73
0.35
22.6
13.0
1.56
.329
1.40
8.77
StatMuse has game-level data for games pitched going back to the 1908 season.
Some of the information used here was obtained free of charge from Retrosheet.

More Rays Stats

Team Batting Leaders

HR

45

Caminero

Junior Caminero

RBI

110

Caminero

Junior Caminero

AVG

.316

Aranda

Jonathan Aranda
Team Pitching Leaders

W

11

Pepiot

Ryan Pepiot

K

176

Baz

Shane Baz

ERA

2.76

Rasmussen

Drew Rasmussen
Team Rankings

HR

182

16th

R

714

15th

SO

1,416

9th

ERA

3.94

15th

2025 Division Standings
TEAMWLPCTGB
94
68
.580
94
68
.580
89
73
.549
5.0
Rays Rays
77
85
.475
17.0
75
87
.463
19.0
Schedule
DATEMATCHUPTIME (ET)
Thu
3/26
@
4:15 PM
Sat
3/28
@
2:15 PM
Sun
3/29
@
2:15 PM
Mon
3/30
@
7:40 PM
Tue
3/31
@
7:40 PM
Last Game
TBR Rays

77 - 85

4

Final

13

TOR Blue Jays

94 - 68

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