Between the 1950 and 1959 seasons, Warren Spahn had the lowest ERA when pitching at least 2000 innings, with an ERA of 2.92.
Interpreted as:
lowest era by a player in 1950s with a minimum of 2000 innings pitched| NAME | ERA | IP | G | W | L | W% | GS | SO | CG | SHO | SV | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | ERA- | FIP | FIP- | H/9 | PRAA | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | W. Spahn | 2.92 | 2822.2 | 389 | 202 | 131 | .607 | 350 | 1,464 | 215 | 33 | 17 | 2,540 | 915 | 1,022 | 222 | 790 | 20 | 33 | 36 | 11,554 | 43 | 4.67 | 2.52 | 1.85 | 0.71 | 12.7 | 6.8 | 1.18 | .256 | 3.26 | 79 | 3.31 | 90 | 8.10 | 120.5 |
| 2 |  | B. Pierce | 3.06 | 2383.0 | 353 | 155 | 121 | .562 | 306 | 1,487 | 162 | 33 | 18 | 2,107 | 809 | 898 | 189 | 840 | 23 | 33 | 27 | 9,940 | 32 | 5.62 | 3.17 | 1.77 | 0.71 | 15.0 | 8.5 | 1.24 | .259 | 3.39 | 78 | 3.34 | 86 | 7.96 | 145.8 |
| 3 |  | E. Wynn | 3.28 | 2562.0 | 374 | 188 | 119 | .612 | 339 | 1,544 | 162 | 33 | 12 | 2,217 | 934 | 1,046 | 218 | 1,028 | 40 | 33 | 25 | 10,756 | 29 | 5.42 | 3.61 | 1.50 | 0.77 | 14.4 | 9.6 | 1.27 | .252 | 3.67 | 86 | 3.61 | 95 | 7.79 | 54.9 |
| 4 |  | R. Roberts | 3.32 | 3011.2 | 405 | 199 | 149 | .572 | 370 | 1,516 | 237 | 30 | 19 | 2,874 | 1,110 | 1,229 | 327 | 525 | 29 | 29 | 31 | 12,263 | 22 | 4.53 | 1.57 | 2.89 | 0.98 | 12.4 | 4.3 | 1.13 | .258 | 3.67 | 85 | 3.42 | 87 | 8.59 | 171.5 |
| 5 |  | B. Lemon | 3.34 | 2015.1 | 311 | 150 | 94 | .615 | 260 | 888 | 139 | 18 | 15 | 1,890 | 749 | 872 | 141 | 820 | 44 | 35 | 13 | 8,589 | 48 | 3.97 | 3.66 | 1.08 | 0.63 | 10.3 | 9.5 | 1.34 | .261 | 3.89 | 86 | 3.77 | 98 | 8.44 | 9.6 |
| 6 | | B. Rush | 3.57 | 2047.0 | 327 | 110 | 123 | .472 | 278 | 1,072 | 105 | 15 | 3 | 1,937 | 812 | 935 | 153 | 663 | 33 | 16 | 27 | 8,645 | 41 | 4.71 | 2.91 | 1.62 | 0.67 | 12.4 | 7.7 | 1.27 | .265 | 4.11 | 90 | 3.40 | 85 | 8.52 | 136.2 |
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