6 pitchers are tied for the worst career ERA by a starting pitcher, with an ERA of 135.00. The first three are Dan Altavilla, Blair Henley and Michael Feliz.
| NAME | ERA | G | W | L | W% | GS | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | H/9 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | D. Altavilla | 135.00 | 1 | 0 | 1 | .000 | 1 | 1 | 0 | 0 | 0 | 0.1 | 3 | 5 | 5 | 0 | 2 | 0 | 0 | 0 | 6 | 0 | 27.00 | 54.00 | 0.50 | 0.00 | 16.7 | 33.3 | 15.00 | 1.000 | 135.00 | 81.00 |
| 2 | | B. Henley | 135.00 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0.1 | 4 | 5 | 5 | 0 | 3 | 1 | 0 | 0 | 9 | 0 | 0.00 | 81.00 | 0.00 | 0.00 | 0.0 | 33.3 | 21.00 | .800 | 135.00 | 108.00 | |
| 3 | | M. Feliz | 135.00 | 1 | 0 | 1 | .000 | 1 | 0 | 0 | 0 | 0 | 0.1 | 4 | 5 | 5 | 1 | 1 | 0 | 0 | 0 | 6 | 0 | 0.00 | 27.00 | 0.00 | 27.00 | 0.0 | 16.7 | 15.00 | .750 | 135.00 | 108.00 |
| 4 | | R. Meisinger | 135.00 | 1 | 0 | 1 | .000 | 1 | 0 | 0 | 0 | 0 | 0.1 | 4 | 5 | 5 | 0 | 1 | 0 | 0 | 0 | 6 | 0 | 0.00 | 27.00 | 0.00 | 0.00 | 0.0 | 16.7 | 15.00 | .800 | 135.00 | 108.00 |
| 5 | | J. Venters | 135.00 | 1 | 0 | 1 | .000 | 1 | 1 | 0 | 0 | 0 | 0.1 | 3 | 5 | 5 | 0 | 2 | 0 | 0 | 0 | 6 | 0 | 27.00 | 54.00 | 0.50 | 0.00 | 16.7 | 33.3 | 15.00 | 1.000 | 135.00 | 81.00 |
| 6 | | E. Alten | 135.00 | 1 | 0 | 1 | .000 | 1 | 0 | 0 | 0 | 0 | 0.1 | 4 | 5 | 5 | 0 | 1 | 0 | 0 | 6 | 0 | 0.00 | 27.00 | 0.00 | 0.00 | 0.0 | 16.7 | 15.00 | .800 | 135.00 | 108.00 | |
| 7 | | O. Garcia | 108.00 | 1 | 0 | 1 | .000 | 1 | 0 | 0 | 0 | 0 | 0.1 | 4 | 4 | 4 | 0 | 1 | 0 | 0 | 0 | 6 | 0 | 0.00 | 27.00 | 0.00 | 0.00 | 0.0 | 16.7 | 15.00 | .800 | 108.00 | 108.00 |
| 8 | | P. Lovrich | 108.00 | 1 | 0 | 1 | .000 | 1 | 1 | 0 | 0 | 0 | 0.1 | 5 | 4 | 4 | 0 | 1 | 0 | 0 | 1 | 7 | 0 | 27.00 | 27.00 | 1.00 | 0.00 | 14.3 | 14.3 | 18.00 | 1.000 | 108.00 | 135.00 |
| 9 | | F. Wurm | 108.00 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0.1 | 1 | 4 | 4 | 0 | 5 | 0 | 0 | 7 | 0 | 27.00 | 135.00 | 0.20 | 0.00 | 14.3 | 71.4 | 18.00 | 1.000 | 108.00 | 27.00 | ||
| 10 | | L. Bevil | 108.00 | 1 | 0 | 1 | .000 | 1 | 0 | 0 | 0 | 0 | 0.1 | 4 | 4 | 4 | 0 | 1 | 1 | 0 | 7 | 0 | 0.00 | 27.00 | 0.00 | 0.00 | 0.0 | 14.3 | 15.00 | .800 | 108.00 | 108.00 | |
| 11 | | J. Jackson | 81.00 | 1 | 0 | 1 | .000 | 1 | 1 | 0 | 0 | 0 | 0.1 | 1 | 3 | 3 | 1 | 2 | 0 | 0 | 0 | 4 | 0 | 27.00 | 54.00 | 0.50 | 27.00 | 25.0 | 50.0 | 9.00 | 81.00 | 27.00 | |
| 12 | | A. Santos | 81.00 | 1 | 0 | 1 | .000 | 1 | 1 | 0 | 0 | 0 | 0.2 | 5 | 6 | 6 | 0 | 2 | 1 | 0 | 0 | 10 | 0 | 13.50 | 27.00 | 0.50 | 0.00 | 10.0 | 20.0 | 10.50 | .833 | 81.00 | 67.50 |
| 13 | | H. Rondon | 81.00 | 1 | 0 | 1 | .000 | 1 | 1 | 0 | 0 | 0 | 0.2 | 5 | 6 | 6 | 0 | 1 | 1 | 0 | 0 | 9 | 0 | 13.50 | 13.50 | 1.00 | 0.00 | 11.1 | 11.1 | 9.00 | .833 | 81.00 | 67.50 |
| 14 | | D. Gumpert | 81.00 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0.1 | 4 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | 0.00 | 0.00 | 27.00 | 0.0 | 0.0 | 12.00 | .750 | 81.00 | 108.00 | ||
| 15 | | J. Mackinson | 81.00 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0.1 | 1 | 3 | 3 | 0 | 2 | 0 | 0 | 0 | 4 | 0 | 0.00 | 54.00 | 0.00 | 0.00 | 0.0 | 50.0 | 9.00 | .500 | 81.00 | 27.00 | |
| 16 | | J. Bokina | 81.00 | 1 | 0 | 1 | .000 | 1 | 0 | 0 | 0 | 0 | 0.1 | 2 | 3 | 3 | 0 | 3 | 0 | 0 | 6 | 0 | 0.00 | 81.00 | 0.00 | 0.00 | 0.0 | 50.0 | 15.00 | .667 | 81.00 | 54.00 | |
| 17 | | D. Bradey | 67.50 | 1 | 0 | 1 | .000 | 1 | 0 | 0 | 0 | 0 | 0.2 | 4 | 5 | 5 | 0 | 2 | 0 | 0 | 1 | 8 | 1 | 0.00 | 27.00 | 0.00 | 0.00 | 0.0 | 25.0 | 9.00 | .667 | 67.50 | 54.00 |
| 18 | | T. Szapucki | 60.75 | 1 | 0 | 1 | .000 | 1 | 2 | 0 | 0 | 0 | 1.1 | 7 | 9 | 9 | 4 | 3 | 0 | 0 | 0 | 13 | 0 | 13.50 | 20.25 | 0.67 | 27.00 | 15.4 | 23.1 | 7.50 | .750 | 60.75 | 47.25 |
| 19 | | D. Moreta | 54.00 | 1 | 0 | 1 | .000 | 1 | 1 | 0 | 0 | 0 | 0.1 | 2 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 27.00 | 0.00 | 27.00 | 33.3 | 0.0 | 6.00 | 1.000 | 54.00 | 54.00 | |
| 20 | | L. Oviedo | 54.00 | 1 | 0 | 1 | .000 | 1 | 2 | 0 | 0 | 0 | 1.0 | 5 | 6 | 8 | 1 | 3 | 1 | 0 | 0 | 13 | 0 | 18.00 | 27.00 | 0.67 | 9.00 | 15.4 | 23.1 | 8.00 | .667 | 72.00 | 45.00 |
| 21 | | J. Schultz | 54.00 | 1 | 0 | 1 | .000 | 1 | 2 | 0 | 0 | 0 | 0.2 | 2 | 4 | 4 | 1 | 2 | 0 | 0 | 0 | 6 | 1 | 27.00 | 27.00 | 1.00 | 13.50 | 33.3 | 33.3 | 6.00 | 1.000 | 54.00 | 27.00 |
| 22 | | D. Murray | 54.00 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1.0 | 5 | 6 | 6 | 3 | 1 | 0 | 0 | 0 | 9 | 0 | 9.00 | 9.00 | 1.00 | 27.00 | 11.1 | 11.1 | 6.00 | .500 | 54.00 | 45.00 | |
| 23 | | J. Proctor | 54.00 | 1 | 0 | 1 | .000 | 1 | 0 | 0 | 0 | 0 | 0.2 | 4 | 4 | 4 | 0 | 2 | 0 | 0 | 0 | 8 | 0 | 0.00 | 27.00 | 0.00 | 0.00 | 0.0 | 25.0 | 9.00 | .667 | 54.00 | 54.00 |
| 24 | | R. Martinez | 54.00 | 1 | 0 | 1 | .000 | 1 | 0 | 0 | 0 | 0 | 0.2 | 4 | 4 | 4 | 0 | 2 | 0 | 0 | 0 | 8 | 0 | 0.00 | 27.00 | 0.00 | 0.00 | 0.0 | 25.0 | 9.00 | .667 | 54.00 | 54.00 |
| 25 | | S. Schacht | 54.00 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0.2 | 3 | 4 | 4 | 0 | 2 | 0 | 0 | 0 | 7 | 1 | 0.00 | 27.00 | 0.00 | 0.00 | 0.0 | 28.6 | 7.50 | .600 | 54.00 | 40.50 | |
StatMuse has game-level data for ERA going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.
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