Top KBO Players by Earned Run Average – Season

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

Samsung Lions 3.18 1.11 152 ⅔ 54 54 125 15 45 5

SK Wyverns 3.42 1.49 173 ⅔ 66 77 178 10 81 3

Nexen Heroes 3.51 1.32 187 73 81 193 9 53 3

NC Dinos 3.81 1.45 165 ⅓ 70 90 184 13 55 9

Doosan Bears 3.81 1.30 179 ⅓ 76 83 186 17 48 6

6   Cory Riordan

LG Twins 3.96 1.27 168 74 80 177 13 37 10

7   Eric Hacker

NC Dinos 4.01 1.34 172 ⅔ 77 86 169 14 62 14

8   Woo Kyu-min

LG Twins 4.04 1.33 153 ⅔ 69 78 170 11 34 12

9   Jang Won-sam

Samsung Lions 4.11 1.44 129 ⅓ 59 70 149 16 37 5

Lotte Giants 4.20 1.34 184 ⅓ 86 93 184 20 63 5
11   Lee Jae-hak NC Dinos 4.21 1.41 156 73 77 152 16 68 8
12   Yang Hyeon-jong Kia Tigers 4.25 1.39 171 ⅓ 81 85 162 12 77 4
13   Yun Sung-hwan Samsung Lions 4.39 1.37 170 ⅓ 83 87 196 18 37 8
14   Yoo Hee-kwan Doosan Bears 4.42 1.43 177 ⅓ 87 98 202 21 51 8
15   Thad Weber NC Dinos 4.58 1.47 118 60 66 132 13 42 3
16   Jang Won-jun Lotte Giants 4.59 1.46 155 79 87 160 15 67 3
17   Henry Sosa Nexen Heroes 4.61 1.48 125 64 66 140 18 45 3
18   J.D. Martin Samsung Lions 4.78 1.40 128 68 69 148 10 31 7
19   Ryu Jae-kuk LG Twins 5.12 1.38 147 ⅔ 84 100 146 13 58 13
20   Lee Tae-yang Hanwha Eagles 5.29 1.46 153 90 100 183 27 41 7
21   Bae Young-soo Samsung Lions 5.45 1.57 133 ⅔ 81 87 171 14 39 5
22   Andrew Albers Hanwha Eagles 5.89 1.59 151 ⅓ 99 108 200 18 40 4
23   Shane Youman Lotte Giants 5.93 1.71 151 ⅔ 100 109 196 20 63 3
24   Song Seung-jun Lotte Giants 5.98 1.71 122 81 91 166 16 43 10
25   Im Jun-seob Kia Tigers 6.06 1.71 130 ⅔ 88 95 157 15 67 6
26   Chei Byung-yong SK Wyverns 6.37 1.54 130 92 94 151 27 49 8