Top KBO Players by Earned Run Average in 2020

# Player Team ERA IP
1 Koo Chang-mo NC 0.62 29
2 Eric Jokisch Kiwoom 0.90 30
3 Bae Je-seong KT 1.07 25 ⅓
4 Odrisamer Despaigne KT 1.69 32
5 Choi Chae-heung Samsung 1.88 24
6 Drew Rucinski NC 2.51 32 ⅓
7 Warwick Saupold Hanwha 2.65 34
8 Drew Gagnon Kia 2.70 23 ⅓
9 Dan Straily Lotte 2.86 28 ⅓
10 Mike Wright NC 2.86 22
11 Kim Tae-hoon SK 3.00 24
12 Chris Flexen Doosan 3.12 26
12 Won Tae-in Samsung 3.12 26
14 Aaron Brooks Kia 3.23 30 ⅔
15 Park Jong-hoon SK 3.27 22
15 Yu Hui-kwan Doosan 3.27 22
17 Lee Min-woo Kia 3.80 23 ⅔
18 Raúl Alcántara Doosan 3.90 30
19 Kim Min-woo Hanwha 3.90 27 ⅔
20 Tyler Wilson LG 4.24 23 ⅓
21 Lee Jae-hak NC 4.37 22 ⅔
22 Ricardo Pinto SK 4.76 22 ⅔
23 Yang Hyun-jong Kia 4.85 26
24 Cha Woo-chan LG 5.00 27
25 David Buchanan Samsung 5.40 25
26 William Cuevas KT 5.55 24 ⅓