Top KBO Players by Earned Run Average – Season

Rank / Player Team ERA WHIP IP ER R H HR BB HB

1   James Naile
#40 - SP - RHP

Kia Tigers 2.53 1.27 149 ⅓ 42 69 154 11 35 9

2   Kyle Hart
#30 - SP - LHP

NC Dinos 2.69 1.03 157 47 51 124 11 38 11

3   Charlie Barnes
#28 - SP - LHP

Lotte Giants 3.35 1.23 150 ⅔ 56 59 140 18 46 5

4   Ariel Jurado
#75 - SP - RHP

Kiwoom Heroes 3.36 1.14 190 ⅓ 71 78 185 19 32 9

5   Connor Seabold
#52 - SP - RHP

Samsung Lions 3.43 1.09 160 61 67 135 21 40 19

6   Won Tae-in
#18 - SP - RHP

Samsung Lions 3.66 1.20 159 ⅔ 65 68 150 17 42 7

7   Enmanuel De Jesus
#54 - SP - LHP

Kiwoom Heroes 3.68 1.25 171 ⅓ 70 78 171 22 44 14

8   Aaron Wilkerson
#46 - SP - RHP

Lotte Giants 3.84 1.21 196 ⅔ 84 90 210 18 27 2

9   Ryu Hyun-jin
#99 - SP - LHP

Hanwha Eagles 3.87 1.36 158 ⅓ 68 78 182 12 33 3

10   Yang Hyeon-jong
#54 - SP - LHP

Kia Tigers 4.10 1.25 171 ⅓ 78 86 174 21 41 6
11   William Cuevas KT Wiz 4.10 1.25 173 ⅓ 79 86 158 17 59 7
12   Dietrich Enns LG Twins 4.19 1.31 167 ⅔ 78 84 169 16 50 6
13   Gwak Been Doosan Bears 4.24 1.30 167 ⅔ 79 83 142 11 76 6
14   Ha Yeong-min Kiwoom Heroes 4.37 1.50 150 ⅓ 73 82 168 8 58 5
15   Wes Benjamin KT Wiz 4.63 1.26 149 ⅔ 77 90 141 28 48 4
16   Park Se-woong Lotte Giants 4.78 1.41 173 ⅓ 92 103 188 13 56 11
17   Um Sang-back KT Wiz 4.88 1.31 156 ⅔ 85 88 164 26 42 7
18   Kim Kwang-hyun SSG Landers 4.93 1.45 162 ⅓ 89 95 162 24 73 6