Jerry Johnson career ERA
4.31Career Regular Season
Jerry Johnson has a career ERA of 4.31 over 10 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1968 |  PHI | 16 | 4 | 4 | 3.24 | 80.2 | 40 | 29 | 1.38 | 0 |
| 1969 | PHI | 33 | 6 | 13 | 4.28 | 147.1 | 82 | 57 | 1.41 | 1 |
| 1970 |  STL/SF | 40 | 5 | 4 | 4.11 | 76.2 | 49 | 41 | 1.49 | 4 |
| 1971 | SF | 67 | 12 | 9 | 2.97 | 109.0 | 85 | 48 | 1.29 | 18 |
| 1972 | SF | 48 | 8 | 6 | 4.42 | 73.1 | 57 | 40 | 1.54 | 8 |
| 1973 |  CLE | 39 | 5 | 6 | 6.18 | 59.2 | 45 | 39 | 1.83 | 5 |
| 1974 |  HOU | 34 | 2 | 1 | 4.80 | 45.0 | 32 | 24 | 1.58 | 0 |
| 1975 |  SD | 21 | 3 | 1 | 5.17 | 54.0 | 18 | 31 | 1.69 | 0 |
| 1976 | SD | 24 | 1 | 3 | 5.31 | 39.0 | 27 | 26 | 1.67 | 0 |
| 1977 |  TOR | 43 | 2 | 4 | 4.60 | 86.0 | 54 | 54 | 1.69 | 5 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV
- Best season on file: 2.97 in 1971.
- Most recent: 4.60 in 1977.
Average of 10 regular seasons, 1968 through 1977. Figures come from ESPN's box scores and were last read on November 1, 2026.