Pedro Martinez has the best ERA- with 162.0+ innings pitched in a season, with an ERA- of 35 in 2000.

best era- by a pitcher in a season with 162+ ip
2000 Martinez 1914 Leonard 1994 Maddux 1968 Gibson 1995 Maddux 1913 Johnson 1906 Brown 1912 Johnson 1999 Martinez 1905 Mathewson 1915 Alexander 1985 Gooden 1909 Mathewson 2015 Greinke 1901 Young 2005 Clemens 2018 deGrom 1997 Clemens 1882 Driscoll 1997 Martinez 2015 Arrieta 1996 Brown 2018 Snell 1931 Grove 1907 Pfiester 2022 Verlander 1990 Clemens 0 5 10 15 20 25 30 35 40 45 50 35 36 37 38 39 39 39 42 42 42 43 44 44 44 44 44 44 45 45 45 45 46 46 47 47 47 47
NAME SEASON TM G ERA- IP W L W% GS CG GF SHO SV H TBF R ER HR BB IBB HBP SO WP ERA WHIP K/9 H/9 BB/9 K/BB FIP FIP- PRAA
Pedro Martinez illustration Pedro Martinez
2000
BOS logo BOS
29 35 217.0 18 6 .750 29 7 0 4 0 128 817 44 42 17 32 0 14 284 1 1.74 0.74 11.78 5.31 1.33 8.88 2.16 47 61.5
Dutch Leonard illustration Dutch Leonard
1914
BSA logo BSA
36 36 224.2 19 5 .792 25 17 8 7 3 139 842 34 24 3 60 8 176 2 0.96 0.89 7.05 5.57 2.40 2.93 1.95 70 20.4
Greg Maddux illustration Greg Maddux
1994
ATL logo ATL
25 37 202.0 16 6 .727 25 10 0 3 0 150 774 44 35 4 31 3 6 156 3 1.56 0.90 6.95 6.68 1.38 5.03 2.39 55 43.7
Bob Gibson illustration Bob Gibson
1968
STL logo STL
34 38 304.2 22 9 .710 34 28 0 13 0 198 1,161 49 38 11 62 6 7 268 4 1.12 0.85 7.92 5.85 1.83 4.32 1.77 63 34.8
Greg Maddux illustration Greg Maddux
1995
ATL logo ATL
28 39 209.2 19 2 .905 28 10 0 3 0 147 785 39 38 8 23 3 4 181 1 1.63 0.81 7.77 6.31 0.99 7.87 2.25 52 46.9
Walter Johnson illustration Walter Johnson
1913
WSH logo WSH
48 39 346.0 36 7 .837 36 29 10 11 2 232 1,271 56 44 9 38 9 243 2 1.14 0.78 6.32 6.03 0.99 6.39 1.90 63 42.3
Mordecai Brown illustration Mordecai Brown
1906
CHC logo CHC
36 39 277.1 26 6 .813 32 27 4 9 3 198 1,044 56 32 1 61 4 144 2 1.04 0.93 4.67 6.43 1.98 2.36 2.08 75 21.1
Walter Johnson illustration Walter Johnson
1912
WSH logo WSH
50 42 369.0 33 12 .733 37 34 13 7 2 259 1,413 89 57 2 76 16 303 11 1.39 0.91 7.39 6.32 1.85 3.99 2.03 63 49.6
Pedro Martinez illustration Pedro Martinez
1999
BOS logo BOS
31 42 213.1 23 4 .852 29 5 1 1 0 160 835 56 49 9 37 1 9 313 6 2.07 0.92 13.20 6.75 1.56 8.46 1.38 30 79.4
Christy Mathewson illustration Christy Mathewson
1905
NYG logo NYG
43 42 338.2 31 9 .775 37 32 6 8 3 252 1,294 85 48 4 64 1 206 6 1.28 0.93 5.47 6.70 1.70 3.22 2.03 69 34.9
Grover Alexander illustration Grover Alexander
1915
PHN logo PHN
49 43 376.1 31 10 .756 42 36 7 12 3 253 1,435 86 51 3 64 10 241 2 1.22 0.84 5.76 6.05 1.53 3.77 1.82 63 44.1
Dwight Gooden illustration Dwight Gooden
1985
NYM logo NYM
35 44 276.2 24 4 .857 35 16 0 8 0 198 1,065 51 47 13 69 4 2 268 6 1.53 0.97 8.72 6.44 2.24 3.88 2.12 59 45.6
Christy Mathewson illustration Christy Mathewson
1909
NYG logo NYG
37 44 275.1 25 6 .806 33 26 4 8 2 192 998 57 35 2 36 0 149 4 1.14 0.83 4.87 6.28 1.18 4.14 1.62 61 31.7
Zack Greinke illustration Zack Greinke
2015
LAD logo LAD
32 44 222.2 19 3 .864 32 1 0 0 0 148 843 43 41 14 40 1 5 200 7 1.66 0.84 8.08 5.98 1.62 5.00 2.75 73 26.2
Cy Young illustration Cy Young
1901
BSA logo BSA
43 44 371.1 33 10 .767 41 38 2 5 0 324 1,440 112 67 6 37 7 158 2 1.62 0.97 3.83 7.85 0.90 4.27 2.64 72 42.6
Roger Clemens illustration Roger Clemens
2005
HOU logo HOU
32 44 211.1 13 8 .619 32 1 0 0 0 151 838 51 44 11 62 5 3 185 3 1.87 1.01 7.88 6.43 2.64 2.98 2.86 67 33.4
Jacob deGrom illustration Jacob deGrom
2018
NYM logo NYM
32 44 217.0 10 9 .526 32 1 0 0 0 152 835 48 41 10 46 3 5 269 2 1.70 0.91 11.16 6.30 1.91 5.85 1.98 50 49
Roger Clemens illustration Roger Clemens
1997
TOR logo TOR
34 45 264.0 21 7 .750 34 9 0 3 0 204 1,044 65 60 9 68 1 12 292 4 2.05 1.03 9.95 6.95 2.32 4.29 2.24 50 66.3
Denny Driscoll illustration Denny Driscoll
1882
PIT logo PIT
23 45 201.0 13 9 .591 23 23 0 0 0 162 799 73 27 0 12 59 7 1.21 0.87 2.64 7.25 0.54 4.92 2.36 84 10.2
Pedro Martinez illustration Pedro Martinez
1997
MON logo MON
31 45 241.1 17 8 .680 31 13 0 4 0 158 947 65 51 16 67 5 9 305 3 1.90 0.93 11.37 5.89 2.50 4.55 2.38 57 49
Jake Arrieta illustration Jake Arrieta
2015
CHC logo CHC
33 45 229.0 22 6 .786 33 4 0 3 0 150 870 52 45 10 48 2 6 236 6 1.77 0.86 9.28 5.90 1.89 4.92 2.34 60 39
Kevin Brown illustration Kevin Brown
1996
FLA logo FLA
32 46 233.0 17 11 .607 32 5 0 3 0 187 906 60 49 8 33 2 16 159 6 1.89 0.94 6.14 7.22 1.27 4.82 2.88 68 35.8
Blake Snell illustration Blake Snell
2018
TBR logo TBR
31 46 180.2 21 5 .808 31 0 0 0 0 112 700 41 38 16 64 2 1 221 13 1.89 0.97 11.01 5.58 3.19 3.45 2.94 72 23.1
Lefty Grove illustration Lefty Grove
1931
PHA logo PHA
41 47 288.2 31 4 .886 30 27 10 4 5 249 1,160 84 66 10 62 1 175 2 2.06 1.08 5.46 7.76 1.93 2.82 3.01 70 40.8
Jack Pfiester illustration Jack Pfiester
1907
CHC logo CHC
30 47 195.0 14 9 .609 22 13 5 3 0 143 745 61 25 1 48 5 90 2 1.15 0.98 4.15 6.60 2.22 1.88 2.14 81 10.6

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