Jonathan Heasley

Position: Pitcher

Bats: Right • Throws: Right

6-3, 225lb (190cm, 102kg)

Team: Baltimore Orioles (minors, 40-man)

Born: January 27, 1997 in Plano, TX us

Draft: Drafted by the Kansas City Royals in the 13th round of the 2018 MLB June Amateur Draft from Oklahoma State University (Stillwater, OK).

High School: Prestonwood Christian Academy (Plano, TX)

School: Oklahoma State University (Stillwater, OK)

Rookie Status: Exceeded rookie limits during 2022 season

2024 Contract Status: Pre-Arb Eligible

Service Time (01/2024): 1.014 • Arb Eligible: 2026 • Free Agent: 2029

Full Name: Jonathan Paul Heasley

Pronunciation: \HEEZ-lee\

Twitter: @jonathanheasley

Instagram: @jonathanheasley

View Player Info from the B-R Bullpen

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SUMMARY

2024

Career

WAR

-0.4

-0.7

ERA

12.46

5.67

4.1

138.0

WHIP

2.077

1.457

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2024 Spring Training

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Year	Age	AgeDif	Tm	Lg	Lev	Aff	W	L	W-L%	ERA	RA9	G	GS	GF	CG	SHO	SV	IP	H	R	ER	HR	BB	IBB	SO	HBP	BK	WP	BF	WHIP	H9	HR9	BB9	SO9	SO/W
2017	20	-0.5	Oklahoma State	B12	NCAA		2	4	.333	3.55	5.21	22	5		0	0	3	38.0	31	22	15	2	19	0	31	5	0	2	165	1.316	7.3	0.5	4.5	7.3	1.63
2017	20	-0.2	Newport	NECL	Smr		0	2	.000	7.36	9.33	9	2	0	0	0	0	18.1	26	19	15	1	11	0	20	5	0	6	99	2.018	12.8	0.5	5.4	9.8	1.82
2018	21	0.4	Oklahoma State	B12	NCAA		4	6	.400	5.96	6.98	15	15		1	0	0	80.0	93	62	53	5	38	0	79	9	2	9	366	1.638	10.5	0.6	4.3	8.9	2.08
2018	21	-0.1	Idaho Falls	PION	Rk	KCR	1	3	.250	5.15	6.75	12	11	1	0	0	0	50.2	55	38	29	4	16	0	35	1	0	4	227	1.401	9.8	0.7	2.8	6.2	2.19
2019	22	0.2	Lexington	SALL	A	KCR	8	5	.615	3.12	3.75	25	20	4	0	0	0	112.2	93	47	39	11	34	0	120	8	0	10	467	1.127	7.4	0.9	2.7	9.6	3.53

2021	24	-0.7	Northwest Arkansas	AACN	AA	KCR	7	3	.700	3.33	3.59	22	21	0	1	1	0	105.1	95	42	39	18	34	0	120	7	0	4	433	1.225	8.1	1.5	2.9	10.3	3.53
2021	24	-4.5	KCR	AL	Maj	KCR	1	1	.500	4.91	4.91	3	3	0	0	0	0	14.2	15	8	8	3	3	0	6	2	0	0	59	1.227	9.2	1.8	1.8	3.7	2.00
2022	25	-2.0	Omaha	IL	AAA	KCR	1	2	.333	4.35	5.03	9	9	0	0	0	0	39.1	35	22	19	7	10	0	45	0	0	3	160	1.144	8.0	1.6	2.3	10.3	4.50
2022	25	-3.4	KCR	AL	Maj	KCR	4	10	.286	5.28	5.80	21	21	0	0	0	0	104.0	108	67	61	19	47	0	70	6	0	9	465	1.490	9.3	1.6	4.1	6.1	1.49
2023	26	-0.9	Omaha	IL	AAA	KCR	2	5	.286	6.85	6.85	32	15	6	0	0	1	94.2	108	72	72	20	45	0	88	2	0	4	429	1.616	10.3	1.9	4.3	8.4	1.96
2023	26	-2.7	KCR	AL	Maj	KCR	0	0		7.20	7.80	12	0	5	0	0	0	15.0	17	13	12	5	2	0	9	1	0	1	63	1.267	10.2	3.0	1.2	5.4	4.50
2024	27	-0.2	Norfolk	IL	AAA	BAL	0	0		2.45	2.45	2	0	1	0	0	0	3.2	5	1	1	1	0	0	4	0	0	0	16	1.364	12.3	2.5	0.0	9.8
2024	27	-2.4	BAL	AL	Maj	BAL	0	1	.000	12.46	14.54	3	0	2	0	0	0	4.1	8	7	6	2	1	0	4	1	0	1	22	2.077	16.6	4.2	2.1	8.3	4.00
Year	Age	AgeDif	Tm	Lg	Lev	Aff	W	L	W-L%	ERA	RA9	G	GS	GF	CG	SHO	SV	IP	H	R	ER	HR	BB	IBB	SO	HBP	BK	WP	BF	WHIP	H9	HR9	BB9	SO9	SO/W
Majors (4 seasons)					Majors		5	12	.294	5.67	6.20	39	24	7	0	0	0	138.0	148	95	87	29	53	0	89	10	0	11	609	1.457	9.7	1.9	3.5	5.8	1.68
Minors (6 seasons)					Minors		19	18	.514	4.41	4.92	102	76	12	1	1	1	406.1	391	222	199	61	139	0	412	18	0	25	1732	1.304	8.7	1.4	3.1	9.1	2.96
College (2 seasons)					College		6	10	.375	5.19	6.41	37	20		1	0	3	118.0	124	84	68	7	57	0	110	14	2	11	531	1.534	9.5	0.5	4.3	8.4	1.93
Other (1 season)					Other		0	2	.000	7.36	9.33	9	2	0	0	0	0	18.1	26	19	15	1	11	0	20	5	0	6	99	2.018	12.8	0.5	5.4	9.8	1.82
All Levels (7 Seasons)							30	42	.417	4.88	5.55	187	122	19	2	1	4	680.2	689	420	369	98	260	0	631	47	2	53	2971	1.394	9.1	1.3	3.4	8.3	2.43

AAA (3 seasons)					Minors		3	7	.300	6.01	6.21	43	24	7	0	0	1	137.2	148	95	92	28	55	0	137	2	0	7	605	1.475	9.7	1.8	3.6	9.0	2.49
AA (1 season)					Minors		7	3	.700	3.33	3.59	22	21	0	1	1	0	105.1	95	42	39	18	34	0	120	7	0	4	433	1.225	8.1	1.5	2.9	10.3	3.53
A (1 season)					Minors		8	5	.615	3.12	3.75	25	20	4	0	0	0	112.2	93	47	39	11	34	0	120	8	0	10	467	1.127	7.4	0.9	2.7	9.6	3.53
Rk (1 season)					Minors		1	3	.250	5.15	6.75	12	11	1	0	0	0	50.2	55	38	29	4	16	0	35	1	0	4	227	1.401	9.8	0.7	2.8	6.2	2.19