Top KBO Players by Earned Run Average in 2025

#	Player	Team	ERA	IP
1	James Naile	Kia	1.05	42 ⅔
2	So Hyeong-jun	KT	1.16	31
3	Yonny Chirinos	LG	1.70	37
4	Ko Young-pyo	KT	1.86	38 ⅔
4	Won Tae-in	Samsung	1.86	29
6	Cody Ponce	Hanwha	1.96	46
7	Cole Irvin	Doosan	1.98	36 ⅓
8	Tucker Davidson	Lotte	2.18	33
9	Ariel Jurado	Samsung	2.49	47
10	Im Chan-kyu	LG	2.50	39 ⅔
11	Park Se-woong	Lotte	2.87	37 ⅔
12	Oh Won-seok	KT	2.97	33 ⅓
13	Moon Dong-ju	Hanwha	3.03	29 ⅔
14	Ryu Hyun-jin	Hanwha	3.15	34 ⅓
15	Andrew Anderson	SSG	3.21	33 ⅔
16	Kim Do-hyeon	Kia	3.41	29
17	Adam Oller	Kia	3.50	36
18	Na Gyun-an	Lotte	3.64	29 ⅔
19	Kenny Rosenberg	Kiwoom	3.73	41
20	Logan Allen	NC	4.11	30 ⅔
21	Son Ju-young	LG	4.25	29 ⅔
22	Zach Logue	Doosan	4.29	35 ⅔
23	Ha Yeong-min	Kiwoom	4.30	37 ⅔
24	Choi Won-joon	Doosan	4.40	30 ⅔
25	Ryan Weiss	Hanwha	4.58	35 ⅓
26	Choi Seung-yong	Doosan	4.78	32
27	Riley Thompson	NC	4.83	31 ⅔
28	Kim Kwang-hyun	SSG	5.30	35 ⅔
29	Charlie Barnes	Lotte	5.67	33 ⅓
30	William Cuevas	KT	5.71	34 ⅔
31	Yang Hyeon-jong	Kia	6.75	30 ⅔