Statistics| Year | Team | G | IP | BF | H | HR | K | BB | IBB | HB | ER | Win | Sav | WHIP | ERA | BABIP | FIP | kwERA |
|---|
| 2024 | Orioles | 4 | 5.33 | 29 | 10 | 2 | 4 | 3 | 0 | 1 | 10 | 0 | 0 | 2.438 | 16.88 | .421 | 8.72 | 5.40 |
| 2023 | Royals | 12 | 15.00 | 63 | 17 | 5 | 9 | 2 | 0 | 1 | 12 | 0 | 0 | 1.267 | 7.20 | .261 | 6.83 | 4.26 |
| 2022 | Royals | 21 | 104.00 | 465 | 108 | 19 | 70 | 47 | 0 | 6 | 61 | 4 | 0 | 1.490 | 5.28 | .276 | 5.66 | 4.96 |
| 2021 | Royals | 3 | 14.67 | 59 | 15 | 3 | 6 | 3 | 0 | 2 | 8 | 1 | 0 | 1.227 | 4.91 | .267 | 5.96 | 5.20 |
| Total MLB | 40 | 139.00 | 616 | 150 | 29 | 89 | 55 | 0 | 10 | 91 | 5 | 0 | 1.475 | 5.89 | .279 | 5.93 | 4.93 |
| 2025 | Spring | 3 | 4.00 | 0 | 2 | 0 | 3 | 2 | 0 | 0 | 0 | 1 | 0 | 1.000 | 0.00 | n.a. | 3.10 | n.a. |
| | 2025 Projections |
|---|
| Source | | G | IP | BF | H | HR | K | BB | IBB | HB | ER | Win | Sav | WHIP | ERA | BABIP | FIP | kwERA |
|---|
| Consensus | 17 | 36.81 | 162 | 39 | 6 | 29 | 13 | 0 | 2 | 21 | 1 | 0 | 1.413 | 5.14 | .294 | 4.82 | 4.37 |
| FangraphsDepth | 15 | 15.00 | 65 | 16 | 2 | 12 | 5 | 0 | 1 | 8 | 1 | 0 | 1.400 | 4.80 | .311 | 4.43 | 4.29 |
| RV Current | 11 | 5.60 | 24 | 5 | 1 | 5 | 2 | 0 | 0 | 3 | 0 | 0 | 1.368 | 4.76 | .288 | 4.72 | 4.08 |
| RotoValue | 11 | 11.12 | 49 | 11 | 2 | 10 | 4 | 0 | 1 | 6 | 0 | 0 | 1.403 | 5.09 | .288 | 5.05 | 4.23 |
| Steamer | 15 | 15.00 | 65 | 16 | 3 | 12 | 5 | 0 | 1 | 8 | 1 | 0 | 1.358 | 4.65 | .292 | 4.71 | 4.10 |
| ZiPS | 25 | 84.30 | 371 | 89 | 13 | 65 | 31 | 0 | 4 | 49 | 3 | 0 | 1.423 | 5.23 | .295 | 4.81 | 4.43 |
| modZiPS | 25 | 84.30 | 371 | 89 | 13 | 65 | 31 | 0 | 4 | 49 | 3 | 0 | 1.423 | 5.23 | .295 | 4.81 | 4.43 |
2025 Game Log| Preseason | | Pos | IP | BF | H | HR | K | BB | IBB | HB | ER | Win | Sav | WHIP | ERA | BABIP | FIP | kwERA |
|---|
| 2025-03-05 | @ Mil | RP | 2.00 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0.500 | 0.00 | n.a. | 3.60 | n.a. |
| 2025-02-27 | v Cle | RP | 1.00 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | 0.00 | n.a. | 3.10 | n.a. |
| 2025-02-22 | @ ChC | RP | 1.00 | 0 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 2.000 | 0.00 | n.a. | 2.10 | n.a. |
| Total | 4.00 | 0 | 2 | 0 | 3 | 2 | 0 | 0 | 0 | 1 | 0 | 1.000 | 0.00 | n.a. | 3.10 | n.a. |
| | Date | Time | Headline |
|---|
| Tue Jan 14 | 19:34 | White Sox Sign Jonathan Heasley To Minor-League Contract | | Mon Dec 18 2023 | 20:39 | Orioles Acquire Jonathan Heasley From Royals | | Thu May 12 2022 | 09:20 | Jon Heasley To Be Called Up To Start Thursday's Game | | Sat Sep 18 2021 | 09:03 | Jon Heasley Gives Up Four Runs In MLB Debut |
| | 2024 Games by Position |
|---|
| RP | 4 |
|---|
| 4 | consecutive relief appearances |
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