Jim Hannan career ERA
3.88Career Regular Season
Jim Hannan has a career ERA of 3.88 over 10 regular seasons.
- Best season on file: 3.01 in 1968.
- Most recent: 4.57 in 1971.
Average of 10 regular seasons, 1962 through 1971. 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1962 |  TEX | 42 | 2 | 4 | 3.31 | 68.0 | 39 | 49 | 1.54 | 4 |
| 1963 | TEX | 13 | 2 | 2 | 4.88 | 27.2 | 14 | 17 | 1.45 | 0 |
| 1964 | TEX | 49 | 4 | 7 | 4.16 | 106.0 | 67 | 45 | 1.44 | 3 |
| 1965 | TEX | 4 | 1 | 1 | 4.91 | 14.2 | 5 | 6 | 1.64 | 0 |
| 1966 | TEX | 30 | 3 | 9 | 4.26 | 114.0 | 68 | 59 | 1.61 | 0 |
| 1967 | TEX | 8 | 1 | 1 | 5.40 | 21.2 | 14 | 7 | 1.62 | 0 |
| 1968 | TEX | 25 | 10 | 6 | 3.01 | 140.1 | 75 | 50 | 1.40 | 0 |
| 1969 | TEX | 35 | 7 | 6 | 3.64 | 158.1 | 72 | 91 | 1.45 | 0 |
| 1970 | TEX | 42 | 9 | 11 | 4.01 | 128.0 | 61 | 54 | 1.35 | 0 |
| 1971 |  DET/MIL | 28 | 2 | 1 | 4.57 | 43.1 | 23 | 28 | 1.68 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV