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