Top KBO Players by Earned Run Average in 2021

# Player Team ERA IP
1 Ariel Miranda Doosan 2.33 173 ⅔
2 Baek Jung-hyun Samsung 2.63 157 ⅔
3 Ko Young-pyo KT 2.92 166 ⅔
4 Eric Jokisch Kiwoom 2.93 181 ⅓
5 Won Tae-in Samsung 3.06 158 ⅔
6 David Buchanan Samsung 3.10 177
7 Casey Kelly LG 3.15 177
8 Drew Rucinski NC 3.17 178 ⅔
9 Nick Kingham Hanwha 3.19 144
10 Choi Won-joon Doosan 3.30 158 ⅓
11 Odrisamer Despaigne KT 3.39 188 ⅔
12 Wilmer Font SSG 3.46 145 ⅔
13 Ryan Carpenter Hanwha 3.97 170
14 Park Se-woong Lotte 3.98 163
15 Kim Min-woo Hanwha 4.00 155 ⅓
16 Dan Straily Lotte 4.07 165 ⅔
17 Shin Min-hyeok NC 4.41 145
18 Im Gi-yeong Kia 4.88 153
19 Enderson Franco Lotte 5.40 150