Jackson Kowar

Position: Pitcher

Bats: Right • Throws: Right

6-5, 200lb (196cm, 90kg)

Team: Seattle Mariners (majors, 60-day IL)

Born: October 4, 1996 in Weddington, NC us

Draft: Drafted by the Detroit Tigers in the 40th round of the 2015 MLB June Amateur Draft from Charlotte Christian HS (Charlotte, NC) and the Kansas City Royals in the 1st round (33rd) of the 2018 MLB June Amateur Draft from University of Florida (Gainesville, FL).

High School: Charlotte Christian HS (Charlotte, NC)

School: University of Florida (Gainesville, FL)

Rookie Status: Exceeded rookie limits during 2021 season

2024 Contract Status: Pre-Arb Eligible

Service Time (01/2024): 0.163 • Arb Eligible: 2026 • Free Agent: 2030

Full Name: Jackson Alexander Kowar

Pronunciation: \coh-wahr\

Twitter: @JacksonKowar

View Player Info from the B-R Bullpen

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SUMMARY

Career

WAR

-2.6

ERA

9.12

74.0

WHIP

2.095

Prospect Rankings

Player News

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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
2016	19	-1.6	Florida	SEC	NCAA		3	0	1.000	3.38	3.89	12	6		0	0	0	34.2	34	15	13	5	10	0	44	7	0	5	152	1.269	8.8	1.3	2.6	11.4	4.40
2017	20	-0.5	Florida	SEC	NCAA		12	1	.923	4.08	4.92	19	18		0	0	1	108.0	116	59	49	7	44	0	84	13	3	10	481	1.481	9.7	0.6	3.7	7.0	1.91
2018	21	0.5	Florida	SEC	NCAA		10	5	.667	3.04	3.77	18	18		0	0	0	112.1	101	47	38	10	43	1	115	9	1	7	483	1.282	8.1	0.8	3.4	9.2	2.67
2018	21	-0.9	Lexington	SALL	A	KCR	0	1	.000	3.42	3.42	9	9	0	0	0	0	26.1	19	10	10	2	12	0	22	0	0	4	107	1.177	6.5	0.7	4.1	7.5	1.83
2019	22		2 Teams	2 Lgs	AA-A+	KCR	7	10	.412	3.52	3.94	26	26	0	0	0	0	148.1	141	65	58	12	43	0	144	12	0	10	622	1.240	8.6	0.7	2.6	8.7	3.35
2019	22	-2.2	Northwest Arkansas	TL	AA	KCR	2	7	.222	3.51	3.87	13	13	0	0	0	0	74.1	73	32	29	8	21	0	78	2	0	5	310	1.265	8.8	1.0	2.5	9.4	3.71
2019	22	-1.2	Wilmington	CARL	A+	KCR	5	3	.625	3.53	4.01	13	13	0	0	0	0	74.0	68	33	29	4	22	0	66	10	0	5	312	1.216	8.3	0.5	2.7	8.0	3.00

2021	24	-3.0	Omaha	AAAE	AAA	KCR	9	4	.692	3.46	3.46	17	16	1	0	0	0	80.2	66	31	31	7	34	0	115	4	0	14	338	1.240	7.4	0.8	3.8	12.8	3.38
2021	24	-4.5	KCR	AL	Maj	KCR	0	6	.000	11.27	11.27	9	8	1	0	0	0	30.1	43	38	38	7	20	0	29	2	0	8	154	2.077	12.8	2.1	5.9	8.6	1.45
2022	25	-2.0	Omaha	IL	AAA	KCR	4	10	.286	6.16	7.24	20	20	0	0	0	0	83.1	95	67	57	14	43	0	88	8	1	10	387	1.656	10.3	1.5	4.6	9.5	2.05
2022	25	-3.4	KCR	AL	Maj	KCR	0	0		9.77	9.77	7	0	3	0	0	0	15.2	27	17	17	4	11	0	17	0	0	0	82	2.426	15.5	2.3	6.3	9.8	1.55
2023	26	-0.9	Omaha	IL	AAA	KCR	2	5	.286	5.96	6.95	30	1	4	0	0	2	45.1	51	35	30	4	32	0	49	6	1	6	220	1.831	10.1	0.8	6.4	9.7	1.53
2023	26	-2.7	KCR	AL	Maj	KCR	2	0	1.000	6.43	7.71	23	0	8	0	0	0	28.0	34	24	20	4	20	0	29	1	0	5	137	1.929	10.9	1.3	6.4	9.3	1.45
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 (3 seasons)					Majors		2	6	.250	9.12	9.61	39	8	12	0	0	0	74.0	104	79	75	15	51	0	75	3	0	13	373	2.095	12.6	1.8	6.2	9.1	1.47
Minors (5 seasons)					Minors		22	30	.423	4.36	4.88	102	72	5	0	0	2	384.0	372	208	186	39	164	0	418	30	2	44	1674	1.396	8.7	0.9	3.8	9.8	2.55
College (3 seasons)					College		25	6	.806	3.53	4.27	49	42		0	0	1	255.0	251	121	100	22	97	1	243	29	4	22	1116	1.365	8.9	0.8	3.4	8.6	2.51
All Levels (7 Seasons)							49	42	.538	4.56	5.15	190	122	17	0	0	3	713.0	727	408	361	76	312	1	736	62	6	79	3163	1.457	9.2	1.0	3.9	9.3	2.36

AAA (3 seasons)					Minors		15	19	.441	5.07	5.72	67	37	5	0	0	2	209.1	212	133	118	25	109	0	252	18	2	30	945	1.533	9.1	1.1	4.7	10.8	2.31
AA (1 season)					Minors		2	7	.222	3.51	3.87	13	13	0	0	0	0	74.1	73	32	29	8	21	0	78	2	0	5	310	1.265	8.8	1.0	2.5	9.4	3.71
A+ (1 season)					Minors		5	3	.625	3.53	4.01	13	13	0	0	0	0	74.0	68	33	29	4	22	0	66	10	0	5	312	1.216	8.3	0.5	2.7	8.0	3.00
A (1 season)					Minors		0	1	.000	3.42	3.42	9	9	0	0	0	0	26.1	19	10	10	2	12	0	22	0	0	4	107	1.177	6.5	0.7	4.1	7.5	1.83