Jeff Jones career ERA
3.95Career Regular Season
Jeff Jones has a career ERA of 3.95 over 5 regular seasons.
- Best season on file: 2.84 in 1980.
- Most recent: 3.55 in 1984.
Average of 5 regular seasons, 1980 through 1984. 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1980 |  ATH | 35 | 1 | 3 | 2.84 | 44.1 | 34 | 26 | 1.31 | 5 |
| 1981 | ATH | 33 | 4 | 1 | 3.39 | 61.0 | 43 | 40 | 1.49 | 3 |
| 1982 | ATH | 18 | 3 | 1 | 5.11 | 37.0 | 18 | 26 | 1.89 | 0 |
| 1983 | ATH | 13 | 1 | 1 | 5.76 | 29.2 | 14 | 8 | 1.72 | 0 |
| 1984 | ATH | 13 | 0 | 3 | 3.55 | 33.0 | 19 | 12 | 1.30 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV