Mike Bielecki career ERA
4.18Career Regular Season
Mike Bielecki has a career ERA of 4.18 over 14 regular seasons.
- Best season on file: 0.00 in 1984.
- Most recent: 4.08 in 1997.
Average of 14 regular seasons, 1984 through 1997. 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1984 |  PIT | 4 | 0 | 0 | 0.00 | 4.1 | 1 | 0 | 0.92 | 0 |
| 1985 | PIT | 12 | 2 | 3 | 4.53 | 45.2 | 22 | 31 | 1.66 | 0 |
| 1986 | PIT | 31 | 6 | 11 | 4.66 | 148.2 | 83 | 83 | 1.56 | 0 |
| 1987 | PIT | 8 | 2 | 3 | 4.73 | 45.2 | 25 | 12 | 1.20 | 0 |
| 1988 |  CHC | 19 | 2 | 2 | 3.35 | 48.1 | 33 | 16 | 1.47 | 0 |
| 1989 | CHC | 33 | 18 | 7 | 3.14 | 212.1 | 147 | 81 | 1.26 | 0 |
| 1990 | CHC | 36 | 8 | 11 | 4.93 | 168.0 | 103 | 70 | 1.54 | 1 |
| 1991 |  CHC/ATL | 41 | 13 | 11 | 4.46 | 173.2 | 75 | 56 | 1.31 | 0 |
| 1992 | ATL | 19 | 2 | 4 | 2.57 | 80.2 | 62 | 27 | 1.29 | 0 |
| 1993 |  CLE | 13 | 4 | 5 | 5.90 | 68.2 | 38 | 23 | 1.65 | 0 |
| 1994 | ATL | 19 | 2 | 0 | 4.00 | 27.0 | 18 | 12 | 1.48 | 0 |
| 1995 |  LAA | 22 | 4 | 6 | 5.97 | 75.1 | 45 | 31 | 1.47 | 0 |
| 1996 | ATL | 40 | 4 | 3 | 2.63 | 75.1 | 71 | 33 | 1.27 | 2 |
| 1997 | ATL | 50 | 3 | 7 | 4.08 | 57.1 | 60 | 21 | 1.34 | 2 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV