Willie Mueller ERA in 1981
4.501981 Regular Season
Willie Mueller posted a 4.50 ERA in the 1981 regular season.
- Down 1.89 from 6.39 in 1978.
Lowest of 2 regular seasons, 1978 through 1981. 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1978 |  MIL | 5 | 1 | 0 | 6.39 | 12.2 | 6 | 6 | 1.74 | 0 |
| 1981 | MIL | 1 | 0 | 0 | 4.50 | 2.0 | 1 | 0 | 2.00 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV