(Unk.) Lewis has the highest ERA with 3.0+ innings pitched in a season, with an ERA of 60.00 in his rookie season in 1890.
Interpreted as:
worst era by a player with 3 or more ip in a season| NAME | ERA | IP | SEASON | TM | 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 |  | (. Lewis | 60.00 | 3.0 | 1890 | BUF | 1 | 0 | 1 | .000 | 1 | 1 | 0 | 0 | 0 | 13 | 20 | 20 | 3 | 7 | 0 | 0 | 29 | 1 | 3.00 | 21.00 | 0.14 | 9.00 | 3.4 | 24.1 | 6.67 | .556 | 60.00 | 1448 | 22.25 | 540 | 39.00 | -6.2 | |
| 2 | | J. VanMeter | 39.00 | 3.0 | 2022 |  PIT | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 13 | 13 | 5 | 2 | 0 | 3 | 0 | 27 | 0 | 0.00 | 6.00 | 0.00 | 15.00 | 0.0 | 7.4 | 5.67 | .500 | 39.00 | 954 | 26.77 | 672 | 45.00 | -7.6 | |
| 3 | | L. McCrabb | 31.50 | 4.0 | 1942 |  PHA | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 14 | 14 | 2 | 2 | 1 | 1 | 29 | 1 | 0.00 | 4.50 | 0.00 | 4.50 | 0.0 | 6.9 | 4.00 | .500 | 31.50 | 853 | 11.17 | 314 | 31.50 | -3.3 | ||
| 4 | | T. Gott | 30.00 | 3.0 | 2017 |  WSH | 4 | 1 | 0 | 1.000 | 0 | 3 | 0 | 0 | 0 | 11 | 10 | 10 | 1 | 3 | 0 | 1 | 1 | 23 | 1 | 9.00 | 9.00 | 1.00 | 3.00 | 13.0 | 13.0 | 4.67 | .625 | 30.00 | 678 | 8.48 | 193 | 33.00 | -1.3 |
| 5 | | J. Topa | 29.70 | 3.1 | 2021 |  MIL | 4 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 12 | 11 | 11 | 2 | 1 | 0 | 0 | 1 | 23 | 0 | 2.70 | 2.70 | 1.00 | 5.40 | 4.3 | 4.3 | 3.90 | .526 | 29.70 | 708 | 11.26 | 263 | 32.40 | -2.6 | |
| 6 | | J. Johnston | 29.70 | 3.1 | 1994 | PIT | 4 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 14 | 11 | 12 | 0 | 4 | 2 | 0 | 0 | 30 | 1 | 13.50 | 10.80 | 1.25 | 0.00 | 16.7 | 13.3 | 5.40 | .737 | 32.40 | 691 | 5.52 | 129 | 37.80 | -0.5 | |
| 7 | | M. Queen | 29.70 | 3.1 | 1952 | PIT | 2 | 0 | 2 | .000 | 2 | 3 | 0 | 0 | 0 | 8 | 11 | 12 | 2 | 4 | 0 | 0 | 25 | 2 | 8.10 | 10.80 | 0.75 | 5.40 | 12.0 | 16.0 | 3.60 | .375 | 32.40 | 765 | 11.99 | 311 | 21.60 | -2.9 | |
| 8 | | J. Brady | 28.42 | 6.1 | 1956 |  DET | 6 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 15 | 20 | 21 | 3 | 11 | 0 | 3 | 1 | 43 | 0 | 4.26 | 15.63 | 0.27 | 4.26 | 7.0 | 25.6 | 4.11 | .462 | 29.84 | 683 | 12.79 | 318 | 21.32 | -6.2 | |
| 9 | | C. Andrews | 27.00 | 3.1 | 2023 | MIL | 4 | 0 | 1 | .000 | 0 | 4 | 0 | 0 | 0 | 10 | 10 | 11 | 3 | 2 | 0 | 1 | 0 | 22 | 1 | 10.80 | 5.40 | 2.00 | 8.10 | 18.2 | 9.1 | 3.60 | .538 | 29.70 | 617 | 14.35 | 325 | 27.00 | -3.6 |
| 10 | | J. Ryan Murphy | 27.00 | 3.0 | 2019 | TOT | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 9 | 9 | 3 | 3 | 0 | 2 | 0 | 22 | 0 | 0.00 | 9.00 | 0.00 | 9.00 | 0.0 | 13.6 | 4.33 | .438 | 27.00 | 610 | 19.20 | 443 | 30.00 | -5.1 | |
| 11 | | B. Baumann | 27.00 | 3.1 | 2018 | TOT | 4 | 0 | 2 | .000 | 0 | 4 | 0 | 0 | 0 | 9 | 10 | 13 | 1 | 7 | 0 | 1 | 2 | 27 | 0 | 10.80 | 18.90 | 0.57 | 2.70 | 14.8 | 25.9 | 4.80 | .533 | 35.10 | 703 | 10.96 | 275 | 24.30 | -2.6 |
| 12 | | M. Mayers | 27.00 | 5.1 | 2016 |  STL | 4 | 1 | 1 | .500 | 1 | 2 | 0 | 0 | 0 | 16 | 16 | 16 | 3 | 3 | 1 | 0 | 0 | 35 | 0 | 3.38 | 5.06 | 0.67 | 5.06 | 5.7 | 8.6 | 3.56 | .500 | 27.00 | 662 | 11.95 | 293 | 27.00 | -4.7 |
| 13 | | A. Claggett | 27.00 | 3.2 | 2009 | TOT | 3 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 13 | 11 | 11 | 3 | 4 | 0 | 2 | 0 | 28 | 1 | 7.36 | 9.82 | 0.75 | 7.36 | 10.7 | 14.3 | 4.64 | .556 | 27.00 | 595 | 15.36 | 344 | 31.91 | -4.3 | |
| 14 | | B. Fortunato | 27.00 | 3.0 | 2006 |  NYM | 2 | 1 | 0 | 1.000 | 0 | 0 | 0 | 0 | 0 | 7 | 9 | 9 | 2 | 2 | 1 | 0 | 0 | 18 | 0 | 0.00 | 6.00 | 0.00 | 6.00 | 0.0 | 11.1 | 3.00 | .385 | 27.00 | 620 | 14.81 | 331 | 21.00 | -3.5 |
| 15 | | N. Charlton | 27.00 | 3.0 | 2000 |  CIN | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 6 | 9 | 9 | 1 | 6 | 0 | 2 | 0 | 20 | 1 | 3.00 | 18.00 | 0.17 | 3.00 | 5.0 | 30.0 | 4.00 | .417 | 27.00 | 572 | 12.79 | 264 | 18.00 | -2.6 | |
| 16 | | M. Perisho | 27.00 | 5.0 | 1998 |  TEX | 2 | 0 | 2 | .000 | 2 | 2 | 0 | 0 | 0 | 15 | 15 | 17 | 2 | 8 | 2 | 0 | 0 | 40 | 0 | 3.60 | 14.40 | 0.25 | 3.60 | 5.0 | 20.0 | 4.60 | .500 | 30.60 | 559 | 13.53 | 291 | 27.00 | -4.8 |
| 17 | | I. Medlinger | 27.00 | 4.0 | 1949 |  SLA | 3 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 11 | 12 | 13 | 1 | 3 | 0 | 0 | 26 | 1 | 9.00 | 6.75 | 1.33 | 2.25 | 15.4 | 11.5 | 3.50 | .556 | 29.25 | 607 | 6.01 | 134 | 24.75 | -0.6 | ||
| 18 | | B. Pfann | 27.00 | 3.0 | 1894 | CIN | 1 | 0 | 1 | .000 | 1 | 0 | 0 | 0 | 0 | 10 | 9 | 10 | 1 | 4 | 0 | 0 | 23 | 0 | 0.00 | 12.00 | 0.00 | 3.00 | 0.0 | 17.4 | 4.67 | .500 | 30.00 | 492 | 12.15 | 221 | 30.00 | -2.1 | |
| 19 | | F. Foreman | 27.00 | 5.2 | 1893 |  NYG | 2 | 0 | 1 | .000 | 1 | 0 | 0 | 0 | 0 | 19 | 17 | 17 | 1 | 10 | 1 | 1 | 47 | 0 | 0.00 | 15.88 | 0.00 | 1.59 | 0.0 | 21.3 | 5.12 | .514 | 27.00 | 597 | 11.36 | 251 | 30.18 | -4.5 | |
| 20 | | B. Gleason | 27.00 | 4.0 | 1890 | CLP | 1 | 0 | 1 | .000 | 1 | 0 | 0 | 0 | 0 | 14 | 12 | 16 | 1 | 6 | 0 | 0 | 32 | 0 | 0.00 | 13.50 | 0.00 | 2.25 | 0.0 | 18.8 | 5.00 | .520 | 36.00 | 665 | 10.67 | 264 | 31.50 | -3.1 | |
| 21 | | M. Gubicza | 25.07 | 4.2 | 1997 |  ANA | 2 | 0 | 1 | .000 | 2 | 5 | 0 | 0 | 0 | 13 | 13 | 13 | 2 | 3 | 0 | 0 | 0 | 30 | 0 | 9.64 | 5.79 | 1.67 | 3.86 | 16.7 | 10.0 | 3.43 | .550 | 25.07 | 555 | 8.46 | 185 | 25.07 | -2 |
| 22 | | C. Loewer | 24.92 | 4.1 | 2001 |  SDP | 2 | 0 | 2 | .000 | 2 | 1 | 0 | 0 | 0 | 13 | 12 | 12 | 2 | 3 | 0 | 0 | 0 | 29 | 0 | 2.08 | 6.23 | 0.33 | 4.15 | 3.4 | 10.3 | 3.69 | .478 | 24.92 | 615 | 10.66 | 252 | 27.00 | -3.2 |
| 23 | | P. Stidham | 24.92 | 4.1 | 1994 | DET | 5 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 12 | 12 | 12 | 3 | 4 | 0 | 0 | 1 | 26 | 0 | 8.31 | 8.31 | 1.00 | 6.23 | 15.4 | 15.4 | 3.69 | .600 | 24.92 | 514 | 13.05 | 270 | 24.92 | -3.9 | |
| 24 | | L. York | 24.92 | 4.1 | 1919 | PHA | 2 | 0 | 2 | .000 | 2 | 2 | 0 | 0 | 0 | 13 | 12 | 13 | 0 | 5 | 0 | 0 | 31 | 0 | 4.15 | 10.38 | 0.40 | 0.00 | 6.5 | 16.1 | 4.15 | .542 | 27.00 | 758 | 5.03 | 155 | 27.00 | -0.8 | |
| 25 | | P. Espino | 24.75 | 4.0 | 2023 | WSH | 3 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 14 | 11 | 11 | 1 | 3 | 0 | 1 | 0 | 28 | 0 | 6.75 | 6.75 | 1.00 | 2.25 | 10.7 | 10.7 | 4.25 | .619 | 24.75 | 571 | 7.25 | 164 | 31.50 | -1.2 | |
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