Si Johnson career ERA
4.09Career Regular Season
Si Johnson has a career ERA of 4.09 over 17 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1928 |  CIN | 3 | 0 | 0 | 4.35 | 10.1 | 1 | 5 | 1.35 | 0 |
| 1929 | CIN | 1 | 0 | 0 | 4.50 | 2.0 | 0 | 1 | 1.50 | 0 |
| 1930 | CIN | 35 | 3 | 1 | 4.94 | 78.1 | 47 | 31 | 1.49 | 0 |
| 1931 | CIN | 42 | 11 | 19 | 3.77 | 262.1 | 95 | 74 | 1.32 | 0 |
| 1932 | CIN | 42 | 13 | 15 | 3.27 | 245.0 | 94 | 57 | 1.24 | 2 |
| 1933 | CIN | 34 | 7 | 18 | 3.49 | 211.1 | 51 | 54 | 1.26 | 1 |
| 1934 | CIN | 46 | 7 | 22 | 5.22 | 215.2 | 89 | 84 | 1.61 | 3 |
| 1935 | CIN | 30 | 5 | 11 | 6.23 | 130.0 | 40 | 59 | 1.65 | 0 |
| 1936 |  CIN/STL | 14 | 5 | 3 | 4.93 | 65.2 | 23 | 11 | 1.52 | 0 |
| 1937 | STL | 38 | 12 | 12 | 3.32 | 192.1 | 64 | 43 | 1.38 | 1 |
| 1938 | STL | 6 | 0 | 3 | 7.47 | 15.2 | 4 | 6 | 2.11 | 0 |
| 1940 |  PHI | 37 | 5 | 14 | 4.88 | 138.1 | 58 | 42 | 1.35 | 1 |
| 1941 | PHI | 39 | 5 | 12 | 4.52 | 163.1 | 80 | 54 | 1.60 | 2 |
| 1942 | PHI | 39 | 8 | 19 | 3.69 | 195.1 | 78 | 72 | 1.38 | 0 |
| 1943 | PHI | 21 | 8 | 3 | 3.27 | 113.0 | 46 | 25 | 1.19 | 2 |
| 1946 |  PHI/ATL | 29 | 6 | 5 | 2.77 | 130.0 | 43 | 35 | 1.35 | 1 |
| 1947 | ATL | 36 | 6 | 8 | 4.23 | 112.2 | 27 | 34 | 1.40 | 2 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV
- Best season on file: 2.77 in 1946.
- Most recent: 4.23 in 1947.
Average of 17 regular seasons, 1928 through 1947. Figures come from ESPN's box scores and were last read on October 24, 2026.