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Single-Season ERA
Leaderboard
 
* - Indicates Hall of Fame
Rank    Player ERA IP Year Career Leaderboard
1.    Steve Nebraska * 0.967 204.7 1977  
2.    Steve Nebraska * 0.991 281.7 1979  
3.    Steve Nebraska * 1.101 269.7 1980  
4.    Mark Bobovnik * 1.298 249.7 1984  
5.    Vernon Simpson * 1.322 272.3 1975  
6.    Johan Schmatzhagen * 1.360 278.0 1976  
7.    Steve Nebraska * 1.492 313.7 1976  
8.    Steve Nebraska * 1.533 317.0 1974  
9.    Steve Nebraska * 1.762 270.7 1984  
10.    Johan Schmatzhagen * 1.793 276.0 1979  
11.    Steve Nebraska * 1.800 275.0 1989  
12.    Steve Nebraska * 1.807 259.0 1973  
13.    Steve Nebraska * 1.816 292.3 1978  
14.    Steve Nebraska * 1.838 269.3 1982  
15.    Steve Nebraska * 1.846 297.3 1975  
16.    Steve Nebraska * 1.855 252.3 1981  
17.    Timothy Regina 1.871 221.3 1989  
18.    Mark Bobovnik * 1.909 259.3 1985  
19.    Heath Rockefeller 1.917 216.0 1993  
20.    Heath Rockefeller 1.943 222.3 1990  
21.    Allen Izatt 1.959 188.3 1994  
22.    Mark Bobovnik * 2.007 246.7 1983  
23.    Mark Bobovnik * 2.013 228.0 1988  
24.    Steve Nebraska * 2.019 240.7 1986  
25.    Braggo Franco 2.051 237.0 1983  
26.    Kirk Dirt 2.067 204.7 1977  
27.    Sam Kirkpatrick 2.080 242.3 1985  
28.    Heath Rockefeller 2.123 224.7 1989  
29.    Mark Bobovnik * 2.134 244.7 1987  
30.    Evander Kilkenny 2.149 230.3 1987  
31.    Todd Terry 2.163 249.7 1976  
32.    Corey Aubrey 2.172 219.7 1979  
33.    Corey Aubrey 2.174 236.0 1977  
34.    Johan Schmatzhagen * 2.194 242.0 1980  
35.    Jerry Syed * 2.203 241.0 1984  
36.    Kurt Stallwith * 2.221 287.7 1976  
37.    Mark Fidrych 2.222 267.3 1978  
38.    Marcellus Conley 2.223 275.3 1979  
39.    Kevin Saucier 2.234 233.7 1992  
40.    Kurt Stallwith * 2.247 272.3 1977  
41.    Steve Nebraska * 2.256 235.3 1985  
42.    Lorenzo Diaz 2.261 278.7 1978  
43.    Ivan Aguilera 2.264 214.7 1981  
44.    Tex Avery 2.268 210.3 1983  
45.    Louis Mattison 2.277 166.0 1982  
46.    Marcellus Conley 2.284 268.0 1978  
47.    Olen Eoff 2.285 193.0 1985  
48.    Lorenzo Diaz 2.292 286.7 1979  
49.    Jerry Syed * 2.294 188.3 1983  
50.    Pablo Verlohi 2.310 261.0 1975  
51.    Jay Lee 2.338 238.7 1994  
52.    Justin Alexander * 2.340 200.0 1985  
  Kurt Stallwith * 2.340 300.0 1979  
54.    Kurt Stallwith * 2.341 230.7 1980  
55.    Roy Hobbs, Jr. * 2.341 296.0 1975  
56.    Alex Lopez 2.341 238.3 1985  
57.    Sidney Vanfleet 2.346 195.7 1979  
58.    John Fulgham 2.348 207.0 1982  
59.    Johan Schmatzhagen * 2.355 256.0 1978  
60.    Zachary Sumner 2.369 277.3 1978  
61.    Mark Fidrych 2.371 235.3 1984  
62.    Evander Kilkenny 2.377 231.0 1991  
63.    Chuck Delong 2.379 272.3 1978  
64.    Frank Rogers 2.386 226.3 1976  
65.    Evander Kilkenny 2.388 256.3 1986  
66.    Sam Kirkpatrick 2.392 248.3 1992  
67.    Nick Sixx 2.407 258.0 1975  
68.    Vernon Meyer 2.408 332.7 1979  
69.    Frank Rogers 2.419 279.0 1979  
70.    Ebby Calvin Laloosh 2.425 193.0 1973  
71.    Roy Hobbs, Jr. * 2.431 314.7 1978  
72.    Micheal Cassidy 2.434 240.3 1982  
73.    Michael Mangual * 2.436 258.7 1983  
74.    Bill Max * 2.436 221.7 1985  
75.    James Raya 2.438 203.0 1984  
76.    Mark Bobovnik * 2.440 232.3 1982  
77.    Johan Schmatzhagen * 2.449 283.0 1977  
78.    J.R. Richard 2.451 224.0 1982  
79.    John Ross Riles, Jr. 2.458 252.7 1986  
80.    Johan Schmatzhagen * 2.464 263.0 1975  
81.    Ken Howell 2.467 200.7 1994  
82.    John Ross Riles, Jr. 2.467 266.3 1993  
83.    Michael Mangual * 2.474 294.7 1978  
84.    James Watkins 2.482 272.0 1976  
85.    Timothy Regina 2.484 221.0 1992  
86.    Roy Hobbs, Jr. * 2.495 306.7 1974  
87.    Vernon Simpson * 2.499 277.3 1974  
88.    Kurt Stallwith * 2.502 291.3 1978  
89.    J.R. Richard 2.504 230.0 1983  
90.    Mike Madorin 2.505 258.7 1980  
91.    Floyd Bannister 2.508 262.0 1987  
92.    Julio Guillerma 2.509 254.7 1980  
93.    Al Nipper 2.515 229.0 1988  
94.    Guy Corngood 2.516 239.7 1994  
95.    Ken Howell 2.519 214.3 1993  
96.    Ace Holder 2.521 271.3 1975  
97.    Felix Pan 2.522 182.0 1989  
98.    Bill Walters 2.529 242.0 1984  
99.    Justin Alexander * 2.530 227.7 1989  
100.    Ben Rivera 2.530 270.3 1993  
 
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