Tomo Ohka career ERA
4.17Career Regular Season
Tomo Ohka has a career ERA of 4.17 over 9 regular seasons.
- Best season on file: 3.12 in 2000.
- Most recent: 5.96 in 2009.
Average of 9 regular seasons, 1999 through 2009. Figures come from ESPN's box scores and were last read on September 23, 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1999 |  BOS | 8 | 1 | 2 | 6.23 | 13.0 | 8 | 6 | 2.08 | 0 |
| 2000 | BOS | 13 | 3 | 6 | 3.12 | 69.1 | 40 | 26 | 1.38 | 0 |
| 2001 |  BOS/WSH | 22 | 3 | 9 | 5.47 | 107.0 | 68 | 29 | 1.52 | 0 |
| 2002 | WSH | 32 | 13 | 8 | 3.18 | 192.2 | 118 | 45 | 1.24 | 0 |
| 2003 | WSH | 34 | 10 | 12 | 4.16 | 199.0 | 118 | 45 | 1.40 | 0 |
| 2004 | WSH | 15 | 3 | 7 | 3.40 | 84.2 | 38 | 20 | 1.39 | 0 |
| 2005 |  WSH/MIL | 32 | 11 | 9 | 4.04 | 180.1 | 98 | 55 | 1.35 | 0 |
| 2006 | MIL | 18 | 4 | 5 | 4.82 | 97.0 | 50 | 35 | 1.37 | 0 |
| 2009 |  CLE | 18 | 1 | 5 | 5.96 | 71.0 | 31 | 19 | 1.35 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV