Jeff Tesreau career ERA
2.43Career Regular Season
Jeff Tesreau has a career ERA of 2.43 over 7 regular seasons.
| 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1912 |  SF | 36 | 17 | 7 | 1.96 | 243.0 | 119 | 106 | 1.16 | 1 |
| 1913 | SF | 41 | 22 | 13 | 2.17 | 282.0 | 167 | 119 | 1.21 | 0 |
| 1914 | SF | 42 | 26 | 10 | 2.37 | 322.1 | 189 | 128 | 1.14 | 1 |
| 1915 | SF | 43 | 19 | 16 | 2.29 | 306.0 | 176 | 75 | 1.01 | 3 |
| 1916 | SF | 40 | 14 | 14 | 2.92 | 268.1 | 113 | 65 | 1.17 | 2 |
| 1917 | SF | 33 | 13 | 8 | 3.09 | 183.2 | 85 | 58 | 1.23 | 2 |
| 1918 | SF | 12 | 4 | 4 | 2.32 | 73.2 | 31 | 21 | 1.11 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV
- Best season on file: 1.96 in 1912.
- Most recent: 2.32 in 1918.
Average of 7 regular seasons, 1912 through 1918. Figures come from ESPN's box scores and were last read on October 30, 2026.