Dan Altavilla and Blair Henley were tied for the worst ERA by a starting pitcher in a season in 2024, with an ERA of 135.00.
| NAME | ERA | SEASON | TM | 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 | 2024 | 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 | 2024 | 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 | | S. Johnson | 34.71 | 2024 | 1 | 0 | 1 | .000 | 1 | 0 | 0 | 0 | 0 | 2.1 | 8 | 9 | 9 | 1 | 3 | 0 | 0 | 0 | 18 | 0 | 0.00 | 11.57 | 0.00 | 3.86 | 0.0 | 16.7 | 4.71 | .500 | 34.71 | 30.86 | |
| 4 | | A. Kitchen | 27.00 | 2024 | 1 | 0 | 1 | .000 | 1 | 1 | 0 | 0 | 0 | 2.0 | 9 | 6 | 7 | 1 | 0 | 0 | 0 | 0 | 16 | 0 | 4.50 | 0.00 | 4.50 | 6.3 | 0.0 | 4.50 | .571 | 31.50 | 40.50 | ||
| 5 | | B. Burke | 27.00 | 2024 | 1 | 0 | 1 | .000 | 1 | 1 | 0 | 0 | 0 | 1.0 | 3 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 9.00 | 0.00 | 0.00 | 16.7 | 0.0 | 3.00 | .600 | 27.00 | 27.00 | ||
| 6 | | C. Anderson | 27.00 | 2024 | 1 | 0 | 1 | .000 | 1 | 0 | 0 | 0 | 0 | 1.2 | 3 | 5 | 5 | 2 | 3 | 1 | 0 | 0 | 12 | 0 | 0.00 | 16.20 | 0.00 | 10.80 | 0.0 | 25.0 | 3.60 | .167 | 27.00 | 16.20 | |
| 7 | | D. Jefferies | 22.50 | 2024 | 1 | 0 | 1 | .000 | 1 | 1 | 0 | 0 | 0 | 2.0 | 9 | 5 | 9 | 2 | 0 | 0 | 0 | 0 | 16 | 0 | 4.50 | 0.00 | 9.00 | 6.3 | 0.0 | 4.50 | .538 | 40.50 | 40.50 | ||
| 8 | | J. Hernández | 19.29 | 2024 | 1 | 0 | 1 | .000 | 1 | 0 | 0 | 0 | 0 | 2.1 | 5 | 5 | 5 | 2 | 1 | 0 | 0 | 0 | 13 | 0 | 0.00 | 3.86 | 0.00 | 7.71 | 0.0 | 7.7 | 2.57 | .300 | 19.29 | 19.29 | |
| 9 | | H. Waldrep | 16.71 | 2024 | 2 | 0 | 1 | .000 | 2 | 3 | 0 | 0 | 0 | 7.0 | 9 | 13 | 13 | 3 | 8 | 1 | 0 | 0 | 36 | 0 | 3.86 | 10.29 | 0.38 | 3.86 | 8.3 | 22.2 | 2.43 | .286 | 16.71 | 11.57 | |
| 10 |  | P. Lambert | 16.39 | 2024 | 3 | 0 | 2 | .000 | 3 | 10 | 0 | 0 | 0 | 9.1 | 20 | 17 | 17 | 2 | 3 | 2 | 0 | 0 | 54 | 3 | 9.64 | 2.89 | 3.33 | 1.93 | 18.5 | 5.6 | 2.46 | .486 | 16.39 | 19.29 | |
| 11 | | K. Rosenberg | 16.20 | 2024 | 1 | 0 | 1 | .000 | 1 | 1 | 0 | 0 | 0 | 3.1 | 6 | 6 | 6 | 3 | 1 | 0 | 0 | 0 | 16 | 1 | 2.70 | 2.70 | 1.00 | 8.10 | 6.3 | 6.3 | 2.10 | .273 | 16.20 | 16.20 | |
| 12 | | A. Molina | 16.20 | 2024 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1.2 | 2 | 3 | 3 | 0 | 3 | 1 | 0 | 0 | 10 | 0 | 0.00 | 16.20 | 0.00 | 0.00 | 0.0 | 30.0 | 3.00 | .333 | 16.20 | 10.80 | ||
| 13 | | A. Winans | 15.26 | 2024 | 2 | 0 | 2 | .000 | 2 | 4 | 0 | 0 | 0 | 7.2 | 14 | 13 | 14 | 3 | 4 | 0 | 0 | 0 | 41 | 0 | 4.70 | 4.70 | 1.00 | 3.52 | 9.8 | 9.8 | 2.35 | .367 | 16.43 | 16.43 | |
| 14 | | S. Anderson | 15.19 | 2024 | 2 | 0 | 2 | .000 | 2 | 4 | 0 | 0 | 0 | 5.1 | 17 | 9 | 13 | 1 | 0 | 1 | 0 | 0 | 35 | 2 | 6.75 | 0.00 | 1.69 | 11.4 | 0.0 | 3.19 | .552 | 21.94 | 28.69 | ||
| 15 | | M. Grove | 15.00 | 2024 | 2 | 0 | 2 | .000 | 2 | 3 | 0 | 0 | 0 | 3.0 | 7 | 5 | 5 | 1 | 0 | 1 | 0 | 0 | 16 | 0 | 9.00 | 0.00 | 3.00 | 18.8 | 0.0 | 2.33 | .545 | 15.00 | 21.00 | ||
| 16 |  | J. Gray | 14.04 | 2024 | 2 | 0 | 2 | .000 | 2 | 9 | 0 | 0 | 0 | 8.1 | 15 | 13 | 13 | 2 | 5 | 0 | 0 | 0 | 44 | 0 | 9.72 | 5.40 | 1.80 | 2.16 | 20.5 | 11.4 | 2.40 | .464 | 14.04 | 16.20 | |
| 17 | | J. Bermúdez | 13.50 | 2024 | 1 | 0 | 1 | .000 | 1 | 0 | 0 | 0 | 0 | 2.0 | 3 | 3 | 3 | 1 | 1 | 2 | 0 | 0 | 12 | 0 | 0.00 | 4.50 | 0.00 | 4.50 | 0.0 | 8.3 | 2.00 | .250 | 13.50 | 13.50 | |
| 18 | | J. Bowlan | 13.50 | 2024 | 1 | 0 | 1 | .000 | 1 | 3 | 0 | 0 | 0 | 2.2 | 6 | 4 | 4 | 3 | 3 | 0 | 0 | 0 | 17 | 0 | 10.13 | 10.13 | 1.00 | 10.13 | 17.6 | 17.6 | 3.38 | .375 | 13.50 | 20.25 | |
| 19 | | J. Teheran | 13.50 | 2024 | 1 | 0 | 0 | 1 | 3 | 0 | 0 | 0 | 2.2 | 6 | 4 | 4 | 1 | 2 | 0 | 0 | 0 | 16 | 0 | 10.13 | 6.75 | 1.50 | 3.38 | 18.8 | 12.5 | 3.00 | .500 | 13.50 | 20.25 | ||
| 20 | | C. Mena | 12.00 | 2024 | 1 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 3.0 | 4 | 4 | 4 | 2 | 3 | 0 | 0 | 0 | 15 | 0 | 6.00 | 9.00 | 0.67 | 6.00 | 13.3 | 20.0 | 2.33 | .250 | 12.00 | 12.00 | ||
| 21 | | J. Leiter | 10.41 | 2024 | 6 | 0 | 2 | .000 | 6 | 19 | 0 | 0 | 0 | 23.1 | 33 | 27 | 30 | 4 | 10 | 3 | 0 | 0 | 117 | 3 | 7.33 | 3.86 | 1.90 | 1.54 | 16.2 | 8.5 | 1.84 | .358 | 11.57 | 12.73 | |
| 22 | | T. Banks | 9.82 | 2024 | TOT | 2 | 0 | 2 | .000 | 2 | 6 | 0 | 0 | 0 | 3.2 | 5 | 4 | 4 | 0 | 0 | 1 | 0 | 0 | 18 | 0 | 14.73 | 0.00 | 0.00 | 33.3 | 0.0 | 1.36 | .455 | 9.82 | 12.27 | |
| 23 | | C. Dana | 9.58 | 2024 | 3 | 1 | 2 | .333 | 3 | 8 | 0 | 0 | 0 | 10.1 | 14 | 11 | 12 | 5 | 7 | 1 | 0 | 0 | 52 | 0 | 6.97 | 6.10 | 1.14 | 4.35 | 15.4 | 13.5 | 2.03 | .290 | 10.45 | 12.19 | |
| 24 |  | W. Warren | 9.55 | 2024 | 5 | 0 | 3 | .000 | 5 | 26 | 0 | 0 | 0 | 21.2 | 31 | 23 | 24 | 4 | 9 | 1 | 0 | 0 | 104 | 0 | 10.80 | 3.74 | 2.89 | 1.66 | 25.0 | 8.7 | 1.85 | .422 | 9.97 | 12.88 | |
| 25 | | R. Kerr | 9.39 | 2024 | 2 | 0 | 2 | .000 | 2 | 13 | 0 | 0 | 0 | 7.2 | 12 | 8 | 8 | 0 | 3 | 3 | 0 | 0 | 40 | 2 | 15.26 | 3.52 | 4.33 | 0.00 | 32.5 | 7.5 | 1.96 | .571 | 9.39 | 14.09 | |
KCR
HOU
PHI
MIA
LAA
BOS
SFG
TEX
COL
WSH
NYM
ARI
NYYStatMuse 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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| NL East | W | L | PCT | GB |
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 Braves - y | 92 | 64 | .590 | |
86 | 70 | .551 | 6.0 | |
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| NL West | W | L | PCT | GB |
 Dodgers - y | 96 | 60 | .615 | |
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