Top KBO Players by Earned Run Average – Season

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

1   Kyle Hart
#30 - SP - LHP

NC Dinos 2.57 1.07 112 32 36 94 6 26 4

2   James Naile
#40 - SP - RHP

Kia Tigers 2.96 1.22 112 ⅔ 37 54 112 9 25 8

3   Enmanuel De Jesus
#54 - SP - LHP

Kiwoom Heroes 3.14 1.15 103 ⅓ 36 42 91 10 28 8

4   Ariel Jurado
#75 - SP - RHP

Kiwoom Heroes 3.36 1.22 112 ⅓ 42 44 116 11 21 4

5   Won Tae-in
#18 - SP - RHP

Samsung Lions 3.53 1.28 91 ⅔ 36 39 85 9 32 5

6   Denyi Reyes
#43 - SP - RHP

Samsung Lions 3.64 1.34 99 40 44 112 9 21 3

7   Aaron Wilkerson
#46 - SP - RHP

Lotte Giants 3.64 1.17 118 ⅔ 48 52 127 15 12 2

8   Ryu Hyun-jin
#99 - SP - LHP

Hanwha Eagles 3.67 1.31 98 40 48 107 5 21 1

9   Yang Hyeon-jong
#54 - SP - LHP

Kia Tigers 3.81 1.22 101 ⅔ 43 45 102 12 22 4

10   Gwak Been
#47 - SP - RHP

Doosan Bears 3.92 1.29 101 44 46 88 5 42 3
11   Connor Seabold Samsung Lions 3.97 1.17 106 ⅔ 47 52 96 17 29 15
12   Oh Won-seok SSG Landers 4.04 1.31 89 40 41 74 8 43 9
13   Daniel Castano NC Dinos 4.26 1.24 99 ⅓ 47 58 102 10 21 7
14   Dietrich Enns LG Twins 4.30 1.33 104 ⅔ 50 55 107 8 32 2
15   William Cuevas KT Wiz 4.32 1.22 106 ⅓ 51 53 95 12 35 3
16   Casey Kelly LG Twins 4.51 1.37 113 ⅔ 57 65 131 13 25 6
17   Kim Kwang-hyun SSG Landers 4.66 1.31 96 ⅔ 50 52 90 14 37 2
18   Um Sang-back KT Wiz 5.06 1.29 96 54 56 98 16 26 2
19   Park Se-woong Lotte Giants 5.29 1.51 100 ⅓ 59 67 117 6 35 6