Ken Dayley career ERA
3.64Career Regular Season
Ken Dayley has a career ERA of 3.64 over 11 regular seasons.
- Best season on file: 0.00 in 1993.
Average of 11 regular seasons, 1982 through 1993. Figures come from ESPN's box scores and were last read on September 23, 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1982 |  ATL | 20 | 5 | 6 | 4.54 | 71.1 | 34 | 25 | 1.46 | 0 |
| 1983 | ATL | 24 | 5 | 8 | 4.30 | 104.2 | 70 | 39 | 1.33 | 0 |
| 1984 |  ATL/STL | 7 | 0 | 5 | 7.99 | 23.2 | 10 | 11 | 2.32 | 0 |
| 1985 | STL | 57 | 4 | 4 | 2.76 | 65.1 | 62 | 18 | 1.27 | 11 |
| 1986 | STL | 31 | 0 | 3 | 3.26 | 38.2 | 33 | 11 | 1.37 | 5 |
| 1987 | STL | 53 | 9 | 5 | 2.66 | 61.0 | 63 | 33 | 1.39 | 4 |
| 1988 | STL | 54 | 2 | 7 | 2.77 | 55.1 | 38 | 19 | 1.21 | 5 |
| 1989 | STL | 71 | 4 | 3 | 2.87 | 75.1 | 40 | 30 | 1.23 | 12 |
| 1990 | STL | 58 | 4 | 4 | 3.56 | 73.1 | 51 | 30 | 1.27 | 2 |
| 1991 |  TOR | 8 | 0 | 0 | 6.23 | 4.1 | 3 | 5 | 2.77 | 0 |
| 1993 | TOR | 2 | 0 | 0 | 0.00 | 0.2 | 2 | 4 | 7.50 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV