John D'Acquisto career ERA
4.56Career Regular Season
John D'Acquisto has a career ERA of 4.56 over 10 regular seasons.
- Best season on file: 2.13 in 1978.
- Most recent: 5.29 in 1982.
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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1973 |  SF | 7 | 1 | 1 | 3.58 | 27.2 | 29 | 19 | 1.52 | 0 |
| 1974 | SF | 38 | 12 | 14 | 3.77 | 215.0 | 167 | 124 | 1.42 | 0 |
| 1975 | SF | 10 | 2 | 4 | 10.29 | 28.0 | 22 | 34 | 2.25 | 0 |
| 1976 | SF | 28 | 3 | 8 | 5.35 | 106.0 | 53 | 102 | 1.84 | 0 |
| 1977 |  STL/SD | 20 | 1 | 2 | 6.54 | 52.1 | 54 | 57 | 2.12 | 0 |
| 1978 | SD | 45 | 4 | 3 | 2.13 | 93.0 | 104 | 56 | 1.25 | 10 |
| 1979 | SD | 51 | 9 | 13 | 4.92 | 133.2 | 97 | 86 | 1.69 | 2 |
| 1980 |  SD/WSH | 50 | 2 | 5 | 3.39 | 87.2 | 59 | 45 | 1.44 | 3 |
| 1981 |  LAA | 6 | 0 | 0 | 10.71 | 19.1 | 8 | 12 | 1.97 | 0 |
| 1982 |  ATH | 11 | 0 | 1 | 5.29 | 17.0 | 7 | 9 | 1.71 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV