Yoshinori Tateyama career ERA
5.75Career Regular Season
Yoshinori Tateyama has a career ERA of 5.75 over 2 regular seasons.
- Best season on file: 4.50 in 2011.
- Most recent: 9.00 in 2012.
Figures come from ESPN's box scores and were last read on September 22, 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 2011 |  TEX | 39 | 2 | 0 | 4.50 | 44.0 | 43 | 11 | 1.09 | 1 |
| 2012 | TEX | 14 | 1 | 0 | 9.00 | 17.0 | 18 | 6 | 1.41 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV