Jonathan Heasley played 4 seasons for the Royals and Orioles. He had 5 wins, 12 losses, an ERA of 5.89 and 89 strikeouts.
Interpreted as:
Jonathan Heasley MLB pitcher in his career| NAME | SEASON | TM | G | W | L | W% | GS | ERA | 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 | ERA- | FIP | FIP- | H/9 | PRAA | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | J. Heasley | 2021 |  KCR | 3 | 1 | 1 | .500 | 3 | 4.91 | 6 | 0 | 0 | 0 | 14.2 | 15 | 8 | 8 | 3 | 3 | 2 | 0 | 0 | 59 | 0 | 3.68 | 1.84 | 2.00 | 1.84 | 10.2 | 5.1 | 1.23 | .267 | 4.91 | 109 | 6.03 | 142 | 9.20 | -3 |
| 2 | | J. Heasley | 2022 | KCR | 21 | 4 | 10 | .286 | 21 | 5.28 | 70 | 0 | 0 | 0 | 104.0 | 108 | 61 | 67 | 19 | 47 | 6 | 0 | 0 | 465 | 9 | 6.06 | 4.07 | 1.49 | 1.64 | 15.1 | 10.1 | 1.49 | .276 | 5.80 | 131 | 5.66 | 145 | 9.35 | -20.6 |
| 3 | | J. Heasley | 2023 | KCR | 12 | 0 | 0 | 0 | 7.20 | 9 | 0 | 0 | 0 | 15.0 | 17 | 12 | 13 | 5 | 2 | 1 | 5 | 0 | 63 | 1 | 5.40 | 1.20 | 4.50 | 3.00 | 14.3 | 3.2 | 1.27 | .261 | 7.80 | 160 | 6.99 | 163 | 10.20 | -4.5 | |
| 4 |  | J. Heasley | 2024 |  BAL | 4 | 0 | 1 | .000 | 0 | 16.88 | 4 | 0 | 0 | 0 | 5.1 | 10 | 10 | 11 | 2 | 3 | 1 | 2 | 0 | 29 | 1 | 6.75 | 5.06 | 1.33 | 3.38 | 13.8 | 10.3 | 2.44 | .421 | 18.56 | 429 | 8.78 | 219 | 16.88 | -2.9 |
| Total | 40 | 5 | 12 | .294 | 24 | 5.89 | 89 | 0 | 0 | 0 | 139.0 | 150 | 91 | 99 | 29 | 55 | 10 | 7 | 0 | 616 | 11 | 5.76 | 3.56 | 1.62 | 1.88 | 14.4 | 8.9 | 1.47 | .279 | 6.41 | 143 | 5.96 | 150 | 9.71 | -31 |
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