Dan Warthen career ERA
4.31Career Regular Season
Dan Warthen has a career ERA of 4.31 over 4 regular seasons.
- Best season on file: 3.11 in 1975.
- Most recent: 4.22 in 1978.
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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1975 |  WSH | 40 | 8 | 6 | 3.11 | 167.2 | 128 | 87 | 1.29 | 3 |
| 1976 | WSH | 23 | 2 | 10 | 5.30 | 90.0 | 67 | 66 | 1.58 | 0 |
| 1977 |  WSH/PHI | 15 | 2 | 4 | 7.22 | 38.2 | 27 | 43 | 2.07 | 0 |
| 1978 |  HOU | 5 | 0 | 1 | 4.22 | 10.2 | 2 | 2 | 1.13 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV