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 1.47 0.98 36 ⅔ 6 9 33 1 3 4

2   Won Tae-in
#18 - SP - RHP

Samsung Lions 2.10 1.02 34 ⅓ 8 8 27 3 8 2

3   Raul Alcántara
#43 - SP - RHP

Doosan Bears 2.30 0.96 31 ⅓ 8 9 23 1 7 1

4   William Crowe
#12 - SP - RHP

Kia Tigers 2.61 1.26 31 9 12 29 2 10 1

5   Shin Min-hyeok
#53 - SP - RHP

NC Dinos 2.70 1.23 33 ⅓ 10 13 38 4 3 1

6   Daniel Castano
#20 - SP - LHP

NC Dinos 2.89 0.94 37 ⅓ 12 16 29 3 6 3

7   Kyle Hart
#30 - SP - LHP

NC Dinos 3.00 1.19 36 12 15 34 1 9 1

8   Enmanuel De Jesus
#54 - SP - LHP

Kiwoom Heroes 3.51 1.08 33 ⅓ 13 14 29 3 7 2

9   Yang Hyeon-jong
#54 - SP - LHP

Kia Tigers 3.53 1.18 35 ⅔ 14 14 31 4 11 2

10   Kim Kwang-hyun
#29 - SP - LHP

SSG Landers 3.69 1.11 31 ⅔ 13 13 25 4 10 1
11   William Cuevas KT Wiz 3.96 1.21 36 ⅓ 16 17 34 5 10 0
12   Choi Won-tae LG Twins 3.98 1.26 31 ⅔ 14 15 24 2 16 1
13   Casey Kelly LG Twins 4.17 1.42 36 ⅔ 17 19 43 4 9 1
14   Charlie Barnes Lotte Giants 4.29 1.26 35 ⅔ 17 17 34 6 11 3
15   Wes Benjamin KT Wiz 4.50 0.94 36 18 19 24 7 10 1
16   Aaron Wilkerson Lotte Giants 4.59 1.11 33 ⅓ 17 18 32 5 5 1
17   Oh Won-seok SSG Landers 4.65 1.65 31 16 16 38 4 13 1
18   Denyi Reyes Samsung Lions 4.75 1.45 30 ⅓ 16 16 37 3 7 2
19   Park Se-woong Lotte Giants 4.78 1.53 32 17 22 40 2 9 2
20   Ariel Jurado Kiwoom Heroes 5.14 1.40 35 20 20 42 6 7 1
21   Dietrich Enns LG Twins 5.18 1.36 33 19 20 36 3 9 1
22   Gwak Been Doosan Bears 5.35 1.28 33 ⅔ 20 20 30 1 13 2
23   Ryu Hyun-jin Hanwha Eagles 5.91 1.41 32 21 26 34 1 11 0
24   Connor Seabold Samsung Lions 6.23 1.52 30 ⅓ 21 22 35 7 11 5
24   Um Sang-back KT Wiz 6.23 1.59 34 ⅔ 24 25 42 6 13 1
26   Im Chan-kyu LG Twins 6.60 1.90 30 22 23 44 5 13 0