Jonathan Heasley

Position: Pitcher

Bats: Right • Throws: Right

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

Team: Tampa Bay Rays (majors, 60-day IL)

Born: January 27, 1997 in Charlotte, NC 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

2026 Contract Status: Not Updated

Full Name: Jonathan Paul Heasley

Pronunciation: \HEEZ-lee\

Instagram: @jonathanheasley

View Player Info from the B-R Bullpen

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SUMMARY

2026

Career

WAR

-0.1

-1.0

ERA

11.25

6.04

4.0

143.0

WHIP

2.000

1.490

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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	0.0	Norfolk	IL	AAA	BAL	0	1	.000	2.64	2.64	10	3	2	0	0	0	30.2	29	9	9	3	8	0	27	1	0	0	124	1.207	8.5	0.9	2.3	7.9	3.38
2024	27	-2.0	BAL	AL	Maj	BAL	0	1	.000	16.88	18.56	4	0	2	0	0	0	5.1	10	11	10	2	3	0	4	1	0	1	29	2.438	16.9	3.4	5.1	6.8	1.33
2025	28		2 Teams	2 Lgs	AA-AAA	KCR	1	0	1.000	6.48	6.48	12	0	1	0	0	0	16.2	23	12	12	4	2	0	11	1	0	2	74	1.500	12.4	2.2	1.1	5.9	5.50
2025	28	0.7	Omaha	IL	AAA	KCR	0	0		13.50	13.50	4	0	1	0	0	0	4.0	9	6	6	1	0	0	2	0	0	1	22	2.250	20.3	2.3	0.0	4.5
2025	28	3.5	Northwest Arkansas	TL	AA	KCR	1	0	1.000	4.26	4.26	8	0	0	0	0	0	12.2	14	6	6	3	2	0	9	1	0	1	52	1.263	9.9	2.1	1.4	6.4	4.50
2026	29	1.7	Durham	IL	AAA	TBR	3	2	.600	3.90	4.23	7	4	2	1	1	0	27.2	27	13	12	3	6	0	18	2	0	0	115	1.193	8.8	1.0	2.0	5.9	3.00
2026	29	-0.3	TBR	AL	Maj	TBR	0	0		11.25	11.25	1	0	1	0	0	0	4.0	8	5	5	2	0	0	2	0	0	0	19	2.000	18.0	4.5	0.0	4.5
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 (5 seasons)					Majors		5	12	.294	6.04	6.55	41	24	8	0	0	0	143.0	158	104	96	31	55	0	91	10	0	11	635	1.490	9.9	2.0	3.5	5.7	1.65
Minors (8 seasons)					Minors		23	21	.523	4.35	4.80	129	83	16	2	2	1	477.2	465	255	231	70	155	0	464	22	0	27	2029	1.298	8.8	1.3	2.9	8.7	2.99
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 (9 Seasons)							34	45	.430	4.87	5.49	216	129	24	3	2	4	757.0	773	462	410	109	278	0	685	51	2	55	3294	1.388	9.2	1.3	3.3	8.1	2.46

AAA (5 seasons)					Minors		6	10	.375	5.41	5.59	62	31	11	1	1	1	196.1	208	122	118	34	69	0	180	5	0	8	850	1.411	9.5	1.6	3.2	8.3	2.61
AA (2 seasons)					Minors		8	3	.727	3.43	3.66	30	21	0	1	1	0	118.0	109	48	45	21	36	0	129	8	0	5	485	1.229	8.3	1.6	2.7	9.8	3.58
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