Top KBO Players by Earned Run Average – Season

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

1   Brandon Waddell
#48 - SP - LHP

Doosan Bears 1.76 0.96 46 9 16 38 2 6 3

2   James Naile
#40 - SP - RHP

Kia Tigers 1.83 1.13 54 11 20 53 2 8 4

3   Won Tae-in
#18 - SP - RHP

Samsung Lions 2.06 1.01 52 ⅓ 12 13 38 4 15 2

4   William Cuevas
#32 - SP - RHP

KT Wiz 2.89 1.01 62 ⅓ 20 22 47 6 16 0

5   Kyle Hart
#30 - SP - LHP

NC Dinos 2.93 1.08 55 ⅓ 18 21 46 2 14 2

6   Yang Hyeon-jong
#54 - SP - LHP

Kia Tigers 3.16 1.13 62 ⅔ 22 23 56 6 15 3

7   Shin Min-hyeok
#53 - SP - RHP

NC Dinos 3.17 1.28 48 ⅓ 17 20 59 6 3 1

8   Enmanuel De Jesus
#54 - SP - LHP

Kiwoom Heroes 3.55 1.18 50 ⅔ 20 21 47 3 13 5

9   Choi Won-tae
#20 - SP - RHP

LG Twins 3.65 1.32 49 ⅓ 20 21 40 3 25 2

10   Daniel Castano
#20 - SP - LHP

NC Dinos 3.67 1.07 56 ⅓ 23 31 52 7 8 4
11   Charlie Barnes Lotte Giants 3.83 1.26 54 23 23 52 7 16 3
12   Gwak Been Doosan Bears 3.92 1.31 57 ⅓ 25 26 53 1 22 2
13   Park Se-woong Lotte Giants 3.99 1.43 49 ⅔ 22 28 56 3 15 3
14   Aaron Wilkerson Lotte Giants 4.01 1.13 58 ⅓ 26 27 59 8 7 1
15   Denyi Reyes Samsung Lions 4.05 1.35 53 ⅓ 24 25 63 4 9 3
16   Ariel Jurado Kiwoom Heroes 4.12 1.39 59 27 28 66 7 16 1
17   Connor Seabold Samsung Lions 4.47 1.34 52 ⅓ 26 30 52 9 18 8
18   Im Chan-kyu LG Twins 4.56 1.63 47 ⅓ 24 25 59 6 18 0
19   Ryu Hyun-jin Hanwha Eagles 4.83 1.39 54 29 35 60 1 15 1
20   Casey Kelly LG Twins 4.88 1.49 51 ⅔ 28 33 66 7 11 4
21   Kim Kwang-hyun SSG Landers 4.92 1.30 53 29 29 50 9 19 1
22   Oh Won-seok SSG Landers 5.12 1.49 51 29 29 52 6 24 4
23   Dietrich Enns LG Twins 5.37 1.54 52 31 35 64 4 16 2
24   Um Sang-back KT Wiz 5.82 1.47 51 33 34 58 11 17 1