Since 1920, Zack Britton has the best ERA with 50.0+ innings pitched in a season, with an ERA of 0.54 in 2016.

lowest era single season with at least 50 innings pitched since 1920
Interpreted as:
lowest era single season with at least 50 innings pitched by a player since 1920
2016 Britton 2012 Rodney 1990 Eckersley 1986 Murphy 2018 Treinen 1964 Henry 2006 Reyes 2006 Papelbon 2015 Davis 2002 Hammond 2021 Loup 2011 O'Flaherty 2014 Davis 2012 Kimbrel 1974 Murray 1981 Fingers 1963 Veale 2023 Martin 2008 Ziegler 2006 Meredith 2021 deGrom 2011 Robertson 2013 Uehara 2013 Cotts 2014 Storen 2003 Smoltz 1968 Gibson 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 0.54 0.60 0.61 0.72 0.78 0.87 0.89 0.92 0.94 0.95 0.95 0.98 1.00 1.01 1.03 1.04 1.04 1.05 1.06 1.07 1.08 1.08 1.09 1.11 1.12 1.12 1.12
NAME ERA IP SEASON TM G W L W% GS CG GF SHO SV H TBF R ER HR BB IBB HBP SO WP WHIP K/9 H/9 BB/9 K/BB ERA- FIP FIP- PRAA
Zack Britton Zack Britton 0.54 67.0 2016
BAL BAL
69 2 1 .667 0 0 63 0 47 38 254 7 4 1 18 3 0 74 10 0.84 9.94 5.10 2.42 4.11 13 1.94 44 17.7
Fernando Rodney Fernando Rodney 0.60 74.2 2012
TBR TBR
76 2 2 .500 0 0 65 0 48 43 282 9 5 2 15 1 3 76 4 0.78 9.16 5.18 1.81 5.07 16 2.12 52 16.2
Dennis Eckersley Dennis Eckersley 0.61 73.1 1990
OAK OAK
63 4 2 .667 0 0 61 0 48 41 262 9 5 2 4 1 0 73 0 0.61 8.96 5.03 0.49 18.25 17 1.33 35 20.6
Rob Murphy Rob Murphy 0.72 50.1 1986
CIN CIN
34 6 0 1.000 0 0 12 0 1 26 195 4 4 0 21 2 0 36 5 0.93 6.44 4.65 3.75 1.71 19 2.58 67 7
Blake Treinen Blake Treinen 0.78 80.1 2018
OAK OAK
68 9 2 .818 0 0 58 0 38 46 315 12 7 2 21 3 1 100 6 0.83 11.20 5.15 2.35 4.76 19 1.81 44 21
Bill Henry Bill Henry 0.87 52.0 1964
CIN CIN
37 2 2 .500 0 0 20 0 6 31 202 9 5 2 12 4 3 28 1 0.83 4.85 5.37 2.08 2.33 24 2.89 82 3.6
Dennys Reyes Dennys Reyes 0.89 50.2 2006
MIN MIN
66 5 0 1.000 0 0 8 0 0 35 194 8 5 3 15 2 0 49 4 0.99 8.70 6.22 2.66 3.27 20 2.86 65 8.7
Jonathan Papelbon Jonathan Papelbon 0.92 68.1 2006
BOS BOS
59 4 2 .667 0 0 49 0 35 40 257 8 7 3 13 2 1 75 2 0.78 9.88 5.27 1.71 5.77 20 2.13 48 17.7
Wade Davis Wade Davis 0.94 67.1 2015
KCR KCR
69 8 1 .889 0 0 24 0 17 33 251 8 7 3 20 1 0 78 1 0.79 10.43 4.41 2.67 3.90 23 2.28 58 12.7
Chris Hammond Chris Hammond 0.95 76.0 2002
ATL ATL
63 7 2 .778 0 0 6 0 0 53 311 15 8 1 31 9 1 63 1 1.11 7.46 6.28 3.67 2.03 23 2.73 65 12.3
Aaron Loup Aaron Loup 0.95 56.2 2021
NYM NYM
65 6 0 1.000 2 0 6 0 0 37 218 9 6 1 16 0 4 57 0 0.94 9.05 5.88 2.54 3.56 24 2.44 58 11.2
Eric O'Flaherty Eric O'Flaherty 0.98 73.2 2011
ATL ATL
78 2 4 .333 0 0 5 0 0 59 301 9 8 2 21 8 3 67 1 1.09 8.19 7.21 2.57 3.19 26 2.53 67 10.3
Wade Davis Wade Davis 1.00 72.0 2014
KCR KCR
71 9 2 .818 0 0 11 0 3 38 279 8 8 0 23 0 3 109 1 0.85 13.63 4.75 2.88 4.74 25 1.18 32 20.7
Craig Kimbrel Craig Kimbrel 1.01 62.2 2012
ATL ATL
63 3 1 .750 0 0 56 0 42 27 231 7 7 3 14 0 2 116 5 0.65 16.66 3.88 2.01 8.29 26 0.77 20 21.6
Dale Murray Dale Murray 1.03 69.2 1974
MON MON
32 1 1 .500 0 0 23 0 10 46 271 12 8 1 23 2 0 31 1 0.99 4.00 5.94 2.97 1.35 27 2.86 78 6.1
Rollie Fingers Rollie Fingers 1.04 78.0 1981
MIL MIL
47 6 3 .667 0 0 41 0 28 55 297 9 9 3 13 5 1 61 1 0.87 7.04 6.35 1.50 4.69 30 2.07 58 13.4
Bob Veale Bob Veale 1.04 77.2 1963
PIT PIT
34 5 2 .714 7 3 10 2 3 59 321 15 9 1 40 2 1 68 5 1.27 7.88 6.84 4.64 1.70 32 2.48 77 6.6
Chris Martin Chris Martin 1.05 51.1 2023
BOS BOS
55 4 1 .800 0 0 12 0 3 45 199 6 6 2 8 3 0 46 1 1.03 8.06 7.89 1.40 5.75 23 2.43 56 10.7
Brad Ziegler Brad Ziegler 1.06 59.2 2008
OAK OAK
47 3 0 1.000 0 0 21 0 11 47 229 8 7 2 22 3 1 30 0 1.16 4.53 7.09 3.32 1.36 25 3.71 88 3.5
Cla Meredith Cla Meredith 1.07 50.2 2006
SDP SDP
45 5 1 .833 0 0 11 0 0 30 185 6 6 3 6 3 2 37 0 0.71 6.57 5.33 1.07 6.17 26 2.92 67 8.2
Jacob deGrom Jacob deGrom 1.08 92.0 2021
NYM NYM
15 7 2 .778 15 1 0 1 0 40 324 14 11 6 11 0 1 146 0 0.55 14.28 3.91 1.08 13.27 27 1.23 29 30.6
David Robertson David Robertson 1.08 66.2 2011
NYY NYY
70 4 0 1.000 0 0 8 0 1 40 272 9 8 1 35 6 1 100 6 1.13 13.50 5.40 4.72 2.86 26 1.83 44 17
Koji Uehara Koji Uehara 1.09 74.1 2013
BOS BOS
73 4 1 .800 0 0 40 0 21 33 265 10 9 5 9 2 1 101 1 0.57 12.23 4.00 1.09 11.22 26 1.60 41 19.1
Neal Cotts Neal Cotts 1.11 57.0 2013
TEX TEX
58 8 3 .727 0 0 6 0 1 36 223 8 7 2 18 1 0 65 3 0.95 10.26 5.68 2.84 3.61 26 2.17 53 11.8
Drew Storen Drew Storen 1.12 56.1 2014
WSH WSH
65 2 1 .667 0 0 18 0 11 44 224 8 7 2 11 3 3 46 4 0.98 7.35 7.03 1.76 4.18 31 2.70 74 6
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DATE MATCHUP TIME (ET)
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ARI ARI
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Dodgers Dodgers
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MLB 2024 Scores & Schedule

Scores

DATE MATCHUP SCORE
Tue
5/7
MIL MIL
@
KCR KCR
4-6
Tue
5/7
MIA MIA
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LAD LAD
1-3
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DET DET
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CLE CLE
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PIT PIT
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SDP SDP
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CHC CHC
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Schedule

DATE MATCHUP TIME (ET)
Wed
5/8
ARI ARI
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CIN CIN
6:40 PM
Wed
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BAL BAL
@
WSH WSH
6:45 PM
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Wed
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