Seunghwan Oh career ERA
3.31Career Regular Season
Seunghwan Oh has a career ERA of 3.31.
- Best season on file: 1.92 in 2016.
- Most recent: 9.33 in 2019.
Figures come from ESPN's box scores and were last read on September 21, 2026.
| GP: Games the player appeared in, however briefly. | W: Games in which this pitcher was credited with the win. | L: Games in which this pitcher was charged with the loss. | ERA: Earned runs allowed per nine innings pitched — lower is better. Under 3.00 is excellent. | IP: Innings pitched. The decimal counts outs, so 6.2 is six innings and two more outs. | K: Batters this pitcher struck out. | BB: Times the batter reached first base on four balls. | WHIP: Walks and hits allowed per inning pitched — lower is better. Around 1.00 is elite. | SV: Games finished by protecting a narrow lead to the last out. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 2016 |  STL | 76 | 6 | 3 | 1.92 | 79.2 | 103 | 18 | 0.92 | 19 |
| 2017 | STL | 62 | 1 | 6 | 4.10 | 59.1 | 54 | 15 | 1.40 | 20 |
| 2018 |  TOR/COL | 5 | 6 | 3 | 2.63 | 68.1 | 79 | 17 | 1.01 | 3 |
| 2019 | COL | 21 | 3 | 1 | 9.33 | 18.1 | 16 | 6 | 1.91 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV