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)

Debut: June 7, 2021 (Age 24-246d, 22,399th in major league history)
vs. LAA 0.2 IP, 3 H, 0 SO, 2 BB, 4 ER, L

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

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Team Record in Appearances: 5-18

Days of Rest

Inning/Score Appearance Matrix

Multiple inning appearances: 8, Entered with runners on base: 6

2023 Pitching Game Log

Click two rows to sum games (Clear)

2023 Pitching Game Log
Rk	Gcar	Gtm	Date	Tm		Opp	Rslt	Inngs	Dec	DR	IP	H	R	ER	BB	SO	HR	HBP	ERA	FIP	BF	Pit	Str	StL	StS	GB	FB	LD	PU	Unk	GSc	IR	IS	SB	CS	PO	AB	2B	3B	IBB	GDP	SF	ROE	aLI	WPA	acLI	cWPA	RE24	DFS(DK)	DFS(FD)	Entered	Exited
1	17	46	May 19	KCR	@	CHW	L,0-2	6-GF(8)		99	2.1	0	0	0	2	3	0	0	0.00	3.26	9	38	23	10	3	2	2	0	0	0		1	0	0	0	0	7	0	0	0	0	0	0	.58	0.066	.09	0.01%	1.43	10.05	16.00	6b --3 2 out d2	8b end d 2
Jun				Tm		Opp	Rslt	Inngs	Dec	DR	IP	H	R	ER	BB	SO	HR	HBP	ERA	FIP	BF	Pit	Str	StL	StS	GB	FB	LD	PU	Unk	GSc	IR	IS	SB	CS	PO	AB	2B	3B	IBB	GDP	SF	ROE	aLI	WPA	acLI	cWPA	RE24	DFS(DK)	DFS(FD)	Entered	Exited
2	18	58	Jun 3	KCR		COL	L,4-6	7-8		14	2.0	1	0	0	0	2	0	0	0.00	2.33	7	23	15	4	2	2	3	1	0	0		0	0	1	0	0	7	0	0	0	0	0	0	.17	0.021	.01	0.00%	1.03	7.90	12.00	7t --- 0 out d4	8t 3 out d4
3	19	61	Jun 6	KCR	@	MIA	L,1-6	5-7		2	2.1	2	1	1	2	3	0	0	1.35	2.66	11	44	25	8	5	2	4	2	1	0		3	3	0	0	0	9	1	0	0	0	0	0	.41	-0.087	.02	0.00%	-1.84	6.85	13.00	5b 123 1 out d2	7b 1-3 2 out d5
4	20	65	Jun 11	KCR	@	BAL	L,3-11	7-7		4	1.0	2	3	3	1	1	1	0	4.70	4.56	6	28	15	1	2	1	3	0	1	0		0	0	0	0	0	5	1	0	0	0	0	0	.13	-0.024	.00	0.00%	-2.51	-3.55	-3.00	7b --- 0 out d4	7b 3 out d7
5	21	67	Jun 13	KCR		CIN	L,4-5	7-7		1	1.0	0	0	0	1	1	0	0	4.15	4.52	4	20	11	5	2	1	1	0	0	0		0	0	0	0	0	3	0	0	0	0	0	0	.80	0.057	.01	0.00%	0.52	3.65	6.00	7t --- 0 out d1	7t 3 out d1
6	22	70	Jun 17	KCR		LAA	W,10-9	6-6		3	1.0	1	1	1	1	1	0	0	4.66	4.50	5	24	14	4	4	0	3	1	0	0		0	0	1	0	0	4	1	0	0	0	0	0	.28	-0.025	.00	0.00%	-0.48	1.05	3.00	6t --- 0 out d4	6t 3 out d5
7	23	74	Jun 21	KCR	@	DET	L,4-9	8-GF(8)		3	1.0	4	4	0	0	1	0	1	4.22	4.47	9	31	22	2	6	3	4	3	0	0		0	0	0	0	0	8	0	0	0	0	0	1	.20	-0.059	.00	0.00%	-3.48	1.25	6.00	8b --- 0 out d2	8b end d 6
8	24	76	Jun 23	KCR	@	TBR	L,3-11	8-GF(8)		1	1.0	5	3	3	0	2	0	0	6.17	4.03	8	28	19	2	3	2	4	3	1	0		0	0	0	0	0	8	1	0	0	0	0	0	.02	-0.005	.00	0.00%	-2.50	-2.75	0.00	8b --- 0 out d5	8b end d 8
Aug				Tm		Opp	Rslt	Inngs	Dec	DR	IP	H	R	ER	BB	SO	HR	HBP	ERA	FIP	BF	Pit	Str	StL	StS	GB	FB	LD	PU	Unk	GSc	IR	IS	SB	CS	PO	AB	2B	3B	IBB	GDP	SF	ROE	aLI	WPA	acLI	cWPA	RE24	DFS(DK)	DFS(FD)	Entered	Exited
9	25	123	Aug 17	KCR		SEA	L,4-6	6-7		54	1.1	1	0	0	1	3	0	0	5.54	3.72	5	35	24	5	4	0	1	0	0	0		1	0	0	0	0	4	0	0	0	0	0	0	1.29	0.117	.00	0.00%	0.89	7.80	13.00	6t --3 2 out d1	7t 3 out a2
10	26	125	Aug 19	KCR	@	CHC	L,4-6	8-GF(8)		1	1.0	0	0	0	0	0	0	0	5.14	3.68	3	10	7	1	1	2	1	1	0	0		0	0	0	0	0	3	0	0	0	0	0	0	.21	0.016	.00	0.00%	0.55	2.25	3.00	8b --- 0 out d2	8b end d 2
11	27	129	Aug 23	KCR	@	OAK	W,4-0	8-8		3	0.1	0	0	0	3	0	0	0	5.02	4.30	4	21	7	2	2	1	0	0	0	0		0	0	0	0	0	1	0	0	0	0	0	0	1.30	-0.094	.00	0.00%	-1.07	-1.05	1.00	8b --- 0 out a4	8b 123 1 out a4
12	28	131	Aug 26	KCR	@	SEA	L,2-15	4-5		2	2.0	3	4	4	3	1	1	0	6.61	5.40	12	44	25	10	1	4	4	3	0	0		0	0	0	0	0	9	0	0	0	0	0	0	.06	-0.014	.00	0.00%	-3.03	-5.10	-3.00	4b --- 0 out d7	5b 3 out d10
13	29	133	Aug 28	KCR		PIT	L,0-5	8-8		1	1.0	2	1	1	0	1	0	0	6.75	5.16	4	16	10	2	4	2	1	1	0	0		0	0	0	0	0	4	1	0	0	0	0	0	.15	-0.014	.00	0.00%	-0.48	1.05	3.00	8t --- 0 out d4	8t 3 out d5
14	30	135	Aug 30	KCR		PIT	L,1-4	9-GF		1	1.0	0	0	0	0	1	0	0	6.38	4.95	3	10	7	2	2	1	1	0	1	0		0	0	0	0	0	3	0	0	0	0	0	0	.11	0.009	.00	0.00%	0.52	4.25	6.00	9t --- 0 out d3	9t end d 3
Sept				Tm		Opp	Rslt	Inngs	Dec	DR	IP	H	R	ER	BB	SO	HR	HBP	ERA	FIP	BF	Pit	Str	StL	StS	GB	FB	LD	PU	Unk	GSc	IR	IS	SB	CS	PO	AB	2B	3B	IBB	GDP	SF	ROE	aLI	WPA	acLI	cWPA	RE24	DFS(DK)	DFS(FD)	Entered	Exited
15	31	137	Sep 2	KCR		BOS	L,5-9	5-6		2	2.0	3	1	1	1	2	0	0	6.20	4.73	10	37	22	8	4	4	3	3	0	0		0	0	0	0	0	9	1	0	0	1	0	1	.09	-0.001	.00	0.00%	0.03	4.10	9.00	5t --- 0 out d7	6t 3 out d8
16	32	140	Sep 5	KCR		CHW	W,7-6	9-GF	W(1-0)	2	1.0	0	0	0	0	1	0	0	5.91	4.57	3	12	7	4	0	1	1	1	0	0		0	0	0	0	0	3	0	0	0	0	0	0	.52	0.040	.00	0.00%	0.52	8.25	12.00	9t --- 0 out d1	9t end d 1
17	33	144	Sep 10	KCR	@	TOR	L,2-5	8-GF(8)		4	0.2	2	0	0	0	0	0	0	5.73	4.53	4	17	11	3	1	3	1	1	0	0		2	2	1	0	0	4	0	0	0	0	0	0	.47	-0.057	.00	0.00%	-0.81	0.30	2.00	8b 1-3 1 out d1	8b end d 3
18	34	145	Sep 12(1)	KCR	@	CHW	L,2-6	6-7		1	1.2	0	0	0	1	2	0	0	5.32	4.40	6	23	16	4	5	0	3	0	0	0		1	0	1	0	0	5	0	0	0	0	0	0	.13	0.012	.00	0.00%	1.23	7.15	11.00	6b -2- 1 out d5	7b 3 out d5
19	35	150	Sep 17	KCR		HOU	L,1-7	7-7		4	1.0	0	0	0	0	1	0	0	5.11	4.27	3	11	6	2	2	1	1	0	0	0		0	0	0	0	0	3	0	0	0	0	0	0	.28	0.022	.00	0.00%	0.52	4.25	6.00	7t --- 0 out d3	7t 3 out d3
20	36	151	Sep 18	KCR		CLE	W,6-4	8-8	W(2-0)	0	1.0	1	0	0	0	2	0	0	4.91	4.07	4	15	9	0	2	2	0	0	0	0		0	0	1	0	0	4	0	0	0	0	0	0	.65	0.030	.00	0.00%	0.52	9.65	15.00	8t --- 0 out d2	8t 3 out d2
21	37	154	Sep 22	KCR	@	HOU	W,7-5	8-8		3	0.1	3	3	3	1	0	1	0	5.88	4.68	5	18	10	3	0	1	3	1	0	0		0	0	0	0	0	4	1	0	0	0	0	0	.69	-0.174	.00	0.00%	-3.18	-7.65	-8.00	8b --- 0 out a5	8b -2- 1 out a2
22	38	157	Sep 26	KCR	@	DET	L,3-6	8-GF(8)		3	0.1	2	1	1	1	0	0	0	6.15	4.77	3	17	9	2	1	1	1	1	0	0		1	1	0	0	0	2	0	0	0	0	0	0	.33	-0.054	.00	0.00%	-1.76	-3.05	-2.00	8b 1-- 2 out d2	8b end d 4
23	39	158	Sep 27 susp	KCR	@	DET	L,0-8	7-8		0	1.2	2	2	2	2	1	1	0	6.43	5.29	9	46	29	8	5	3	3	2	0	0		0	0	0	0	0	7	0	0	0	0	0	0	.01	0.000	.00	0.00%	-1.20	-0.65	2.00	7b --- 0 out d6	8b 1-- 2 out d8
							5-18		W-L:2-0	2.1	28.0	34	24	20	20	29	4	1	6.43	5.29	137	568	60%	16%	11%	0.81		28%	5%	0		9	67%	5	0	0	116	7	0	0	1	0	2	.33	-0.218	.01	0.01%	-14.58	56.00	123.00

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