Billy Pierce career ERA
3.27Career Regular Season
Billy Pierce has a career ERA of 3.27 over 18 regular seasons.
| 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1945 |  DET | 5 | 0 | 0 | 1.80 | 10.0 | 10 | 10 | 1.60 | 0 |
| 1948 | DET | 22 | 3 | 0 | 6.34 | 55.1 | 36 | 51 | 1.77 | 0 |
| 1949 |  CHW | 32 | 7 | 15 | 3.88 | 171.2 | 95 | 112 | 1.50 | 0 |
| 1950 | CHW | 33 | 12 | 16 | 3.98 | 219.1 | 118 | 137 | 1.49 | 1 |
| 1951 | CHW | 37 | 15 | 14 | 3.03 | 240.1 | 113 | 73 | 1.29 | 2 |
| 1952 | CHW | 33 | 15 | 12 | 2.57 | 255.1 | 144 | 79 | 1.15 | 1 |
| 1953 | CHW | 40 | 18 | 12 | 2.72 | 271.1 | 186 | 102 | 1.17 | 3 |
| 1954 | CHW | 36 | 9 | 10 | 3.48 | 188.2 | 148 | 86 | 1.40 | 3 |
| 1955 | CHW | 33 | 15 | 10 | 1.97 | 205.2 | 157 | 64 | 1.10 | 1 |
| 1956 | CHW | 35 | 20 | 9 | 3.32 | 276.1 | 192 | 100 | 1.31 | 1 |
| 1957 | CHW | 37 | 20 | 12 | 3.26 | 257.0 | 171 | 71 | 1.16 | 2 |
| 1958 | CHW | 35 | 17 | 11 | 2.68 | 245.0 | 144 | 66 | 1.10 | 2 |
| 1959 | CHW | 34 | 14 | 15 | 3.62 | 224.0 | 114 | 62 | 1.25 | 0 |
| 1960 | CHW | 32 | 14 | 7 | 3.62 | 196.1 | 108 | 46 | 1.26 | 0 |
| 1961 | CHW | 39 | 10 | 9 | 3.80 | 180.0 | 106 | 54 | 1.36 | 3 |
| 1962 |  SF | 30 | 16 | 6 | 3.49 | 162.1 | 76 | 35 | 1.12 | 1 |
| 1963 | SF | 38 | 3 | 11 | 4.27 | 99.0 | 52 | 20 | 1.27 | 8 |
| 1964 | SF | 34 | 3 | 0 | 2.20 | 49.0 | 29 | 10 | 1.02 | 4 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV
- Best season on file: 1.80 in 1945.
- Most recent: 2.20 in 1964.
Average of 18 regular seasons, 1945 through 1964. Figures come from ESPN's box scores and were last read on November 9, 2026.