Statistics| Year | Team | G | IP | H | K | BB | ER | Win | Sav | Hld | S+H | WHIP | ERA |
|---|
| 2024 | Orioles | 4 | 5.33 | 10 | 4 | 3 | 10 | 0 | 0 | 0 | 0 | 2.438 | 16.88 |
| 2023 | Royals | 12 | 15.00 | 17 | 9 | 2 | 12 | 0 | 0 | 1 | 1 | 1.267 | 7.20 |
| 2022 | Royals | 21 | 104.00 | 108 | 70 | 47 | 61 | 4 | 0 | 0 | 0 | 1.490 | 5.28 |
| 2021 | Royals | 3 | 14.67 | 15 | 6 | 3 | 8 | 1 | 0 | 0 | 0 | 1.227 | 4.91 |
| Total MLB | 40 | 139.00 | 150 | 89 | 55 | 91 | 5 | 0 | 1 | 1 | 1.475 | 5.89 |
| 2025 | Spring | 3 | 4.00 | 2 | 3 | 2 | 0 | 1 | 0 | 1 | 1 | 1.000 | 0.00 |
| | 2025 Projections |
|---|
| Source | | G | IP | H | K | BB | ER | Win | Sav | Hld | S+H | WHIP | ERA |
|---|
| Consensus | 17 | 36.81 | 39 | 29 | 13 | 21 | 1 | 0 | 0 | 1 | 1.413 | 5.14 |
| FangraphsDepth | 15 | 15.00 | 16 | 12 | 5 | 8 | 1 | 0 | 0 | 0 | 1.400 | 4.80 |
| RV Current | 11 | 10.95 | 11 | 10 | 4 | 6 | 1 | 1 | 1 | 2 | 1.373 | 4.79 |
| RotoValue | 11 | 11.12 | 11 | 10 | 4 | 6 | 0 | 0 | 1 | 1 | 1.403 | 5.09 |
| Steamer | 15 | 15.00 | 16 | 12 | 5 | 8 | 1 | 0 | 0 | 0 | 1.358 | 4.65 |
| ZiPS | 25 | 84.30 | 89 | 65 | 31 | 49 | 3 | 0 | 0 | 0 | 1.423 | 5.23 |
| modZiPS | 25 | 84.30 | 89 | 65 | 31 | 49 | 3 | 0 | 0 | 0 | 1.423 | 5.23 |
2025 Game Log| Preseason | | Pos | IP | H | K | BB | ER | Win | Sav | Hld | S+H | WHIP | ERA |
|---|
| 2025-03-05 | @ Mil | RP | 2.00 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0.500 | 0.00 |
| 2025-02-27 | v Cle | RP | 1.00 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1.000 | 0.00 |
| 2025-02-22 | @ ChC | RP | 1.00 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 2.000 | 0.00 |
| Total | 4.00 | 2 | 3 | 2 | 0 | 1 | 0 | 1 | 1 | 1.000 | 0.00 |
| | 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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