JB Bukauskas

Position: Pitcher

Bats: Right • Throws: Right

6-0, 210lb (183cm, 95kg)

Born: October 11, 1996 in Ashburn, VA us

Draft: Drafted by the Arizona Diamondbacks in the 20th round of the 2014 MLB June Amateur Draft from Stone Bridge HS (Ashburn, VA) and the Houston Astros in the 1st round (15th) of the 2017 MLB June Amateur Draft from University of North Carolina at Chapel Hill (Chapel Hill, NC).

High School: Stone Bridge HS (Ashburn, VA)

School: University of North Carolina at Chapel Hill (Chapel Hill, NC)

Rookie Status: Exceeded rookie limits during 2021 season

2025 Contract Status: Pre-Arb Eligible

Service Time (01/2025): 2.086 • Arb Eligible: 2026 • Free Agent: 2029

National Team: us USA (College)

Full Name: Jacob Allen Bukauskas

Pronunciation: \buh-COW-skus\

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SUMMARY

Career

WAR

-0.6

ERA

5.04

30.1

WHIP

1.451

Prospect Rankings

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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
2015	18	-2.4	North Carolina	ACC	NCAA		5	3	.625	4.09	4.58	14	14			0	0	72.2	64	37	33	4	30	0	67	3	1	8	308	1.294	7.9	0.5	3.7	8.3	2.23
2016	19	-1.6	North Carolina	ACC	NCAA		7	2	.778	3.10	3.68	13	13		0	0	0	78.1	68	32	27	6	29	0	111	7	0	6	333	1.238	7.8	0.7	3.3	12.8	3.83
2016	19	-1.1	Chatham	CCBL	Smr		0	1	.000	3.72	5.59	2	2	0	0	0	0	9.2	10	6	4	1	2	0	17	0	0	3	40	1.241	9.3	0.9	1.9	15.8	8.50
2017	20	-0.6	North Carolina	ACC	NCAA		9	1	.900	2.53	3.30	15	15		0	0	0	92.2	62	34	26	7	37	0	116	9	0	14	385	1.068	6.0	0.7	3.6	11.3	3.14
2017	20		2 Teams	2 Lgs	A--Rk	HOU	0	0		2.70	2.70	3	3	0	0	0	0	10.0	7	3	3	0	5	0	9	0	0	3	39	1.200	6.3	0.0	4.5	8.1	1.80
2017	20	-1.3	Tri-City	NYPL	A-	HOU	0	0		4.50	4.50	2	2	0	0	0	0	6.0	4	3	3	0	4	0	6	0	0	2	25	1.333	6.0	0.0	6.0	9.0	1.50
2017	20	-0.4	Astros	GULF	Rk	HOU	0	0		0.00	0.00	1	1	0	0	0	0	4.0	3	0	0	0	1	0	3	0	0	1	14	1.000	6.8	0.0	2.3	6.8	3.00
2018	21		5 Teams	5 Lgs	A+-A-A--AA-Rk	HOU	4	2	.667	2.14	2.14	14	14	0	0	0	0	59.0	42	14	14	1	24	0	71	1	1	6	237	1.119	6.4	0.2	3.7	10.8	2.96
2018	21	-3.1	Corpus Christi	TL	AA	HOU	0	0		0.00	0.00	1	1	0	0	0	0	6.0	1	0	0	0	2	0	8	0	0	0	20	0.500	1.5	0.0	3.0	12.0	4.00
2018	21	-2.1	Buies Creek	CARL	A+	HOU	3	0	1.000	1.61	1.61	5	5	0	0	0	0	28.0	13	5	5	1	13	0	31	0	1	4	107	0.929	4.2	0.3	4.2	10.0	2.38
2018	21	-0.9	Quad Cities	MIDW	A	HOU	1	2	.333	4.20	4.20	4	4	0	0	0	0	15.0	15	7	7	0	7	0	21	1	0	1	67	1.467	9.0	0.0	4.2	12.6	3.00
2018	21	-0.5	Tri-City	NYPL	A-	HOU	0	0		0.00	0.00	3	3	0	0	0	0	8.1	8	0	0	0	2	0	9	0	0	0	33	1.200	8.6	0.0	2.2	9.7	4.50
2018	21	0.6	Astros	GULF	Rk	HOU	0	0		10.80	10.80	1	1	0	0	0	0	1.2	5	2	2	0	0	0	2	0	0	1	10	3.000	27.0	0.0	0.0	10.8
2018	21	-2.3	Scottsdale	AZFL	Fal		2	1	.667	3.33	3.70	6	6	0	0	0	0	24.1	24	10	9	2	10	0	24	0	0	5	99	1.397	8.9	0.7	3.7	8.9	2.40
2019	22		2 Teams	2 Lgs	AA	HOU	2	5	.286	5.44	6.12	22	16	3	0	0	1	92.2	91	63	56	8	59	0	109	2	0	9	416	1.619	8.8	0.8	5.7	10.6	1.85
2019	22	-2.2	Corpus Christi	TL	AA	HOU	2	4	.333	5.25	5.99	20	14	3	0	0	1	85.2	81	57	50	8	54	0	98	1	0	8	381	1.576	8.5	0.8	5.7	10.3	1.81
2019	22	-2.3	Jackson	SOUL	AA	ARI	0	1	.000	7.71	7.71	2	2	0	0	0	0	7.0	10	6	6	0	5	0	11	1	0	1	35	2.143	12.9	0.0	6.4	14.1	2.20

2021	24	-3.4	Reno	AAAW	AAA	ARI	0	2	.000	4.26	4.26	13	0	3	0	0	1	12.2	9	6	6	1	4	0	16	1	0	0	51	1.026	6.4	0.7	2.8	11.4	4.00
2021	24	-4.9	ARI	NL	Maj	ARI	2	2	.500	7.79	9.87	21	0	4	0	0	0	17.1	24	19	15	4	7	1	14	0	0	0	81	1.788	12.5	2.1	3.6	7.3	2.00
2022	25		3 Teams	2 Lgs	AAA-Rk	ARI	0	1	.000	2.42	2.42	23	1	5	0	0	1	22.1	22	6	6	1	4	0	22	2	1	0	87	1.164	8.9	0.4	1.6	8.9	5.50
2022	25	-2.2	Reno	PCL	AAA	ARI	0	1	.000	2.66	2.66	21	0	5	0	0	1	20.1	21	6	6	1	4	0	19	2	1	0	80	1.230	9.3	0.4	1.8	8.4	4.75
2022	25	3.8	Diamondbacks Black	ACL	Rk	ARI	0	0		0.00	0.00	1	1	0	0	0	0	1.0	0	0	0	0	0	0	1	0	0	0	3	0.000	0.0	0.0	0.0	9.0
2022	25	3.8	Diamondbacks Red	ACL	Rk	ARI	0	0		0.00	0.00	1	0	0	0	0	0	1.0	1	0	0	0	0	0	2	0	0	0	4	1.000	9.0	0.0	0.0	18.0
2022	25	1.8	Salt River	AZFL	Fal		0	0		13.50	20.25	1	0	0	0	0	0	1.1	4	3	2	1	0	0	2	0	0	0	9	3.000	27.0	6.8	0.0	13.5
2023	26		2 Teams	2 Lgs	AAA	SEA	5	2	.714	3.59	5.48	36	0	13	0	0	6	42.2	43	26	17	3	13	0	49	1	0	2	186	1.313	9.1	0.6	2.7	10.3	3.77
2023	26		2 Teams	2 Lgs	Maj	MIL	0	0		1.29	2.57	6	0	2	0	0	0	7.0	6	2	1	0	3	1	7	1	0	1	30	1.286	7.7	0.0	3.9	9.0	2.33
2023	26	-0.9	Nashville	IL	AAA	MIL	5	2	.714	2.92	4.62	32	0	12	0	0	6	37.0	35	19	12	2	10	0	42	1	0	1	157	1.216	8.5	0.5	2.4	10.2	4.20
2023	26	-1.3	Tacoma	PCL	AAA	SEA	0	0		7.94	11.12	4	0	1	0	0	0	5.2	8	7	5	1	3	0	7	0	0	1	29	1.941	12.7	1.6	4.8	11.1	2.33
2023	26	-3.2	MIL	NL	Maj	MIL	0	0		0.00	0.00	5	0	2	0	0	0	6.0	4	0	0	0	1	0	6	1	0	0	23	0.833	6.0	0.0	1.5	9.0	6.00
2023	26	-2.7	SEA	AL	Maj	SEA	0	0		9.00	18.00	1	0	0	0	0	0	1.0	2	2	1	0	2	1	1	0	0	1	7	4.000	18.0	0.0	18.0	9.0	0.50
2024	27		2 Teams	2 Lgs	AAA-Rk	MIL	0	0		1.50	1.50	7	0	1	0	0	0	6.0	5	1	1	0	0	0	4	1	0	0	24	0.833	7.5	0.0	0.0	6.0
2024	27	0.0	Nashville	IL	AAA	MIL	0	0		1.80	1.80	6	0	1	0	0	0	5.0	4	1	1	0	0	0	3	1	0	0	19	0.800	7.2	0.0	0.0	5.4
2024	27	5.9	Brewers	ACL	Rk	MIL	0	0		0.00	0.00	1	0	0	0	0	0	1.0	1	0	0	0	0	0	1	0	0	0	5	1.000	9.0	0.0	0.0	9.0
2024	27	-2.1	MIL	NL	Maj	MIL	0	0		1.50	1.50	6	0	2	0	0	0	6.0	3	1	1	1	1	0	6	0	0	0	22	0.667	4.5	1.5	1.5	9.0	6.00
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 (3 seasons)					Majors		2	2	.500	5.04	6.53	33	0	8	0	0	0	30.1	33	22	17	5	11	2	27	1	0	1	133	1.451	9.8	1.5	3.3	8.0	2.45
Minors (7 seasons)					Minors		11	12	.478	3.78	4.37	118	34	25	0	0	9	245.1	219	119	103	14	109	0	280	8	2	20	1040	1.337	8.0	0.5	4.0	10.3	2.57
College (3 seasons)					College		21	6	.778	3.18	3.80	42	42		0	0	0	243.2	194	103	86	17	96	0	294	19	1	28	1026	1.190	7.2	0.6	3.5	10.9	3.06
Other (3 seasons)					Other		2	2	.500	3.82	4.84	9	8	0	0	0	0	35.1	38	19	15	4	12	0	43	0	0	8	148	1.415	9.7	1.0	3.1	11.0	3.58
All Levels (9 Seasons)							36	22	.621	3.59	4.27	202	84	33	0	0	9	554.2	484	263	221	40	228	2	644	28	3	57	2347	1.284	7.9	0.6	3.7	10.4	2.82

AAA (4 seasons)					Minors		5	5	.500	3.35	4.35	76	0	22	0	0	8	80.2	77	39	30	5	21	0	87	5	1	2	336	1.215	8.6	0.6	2.3	9.7	4.14
AA (2 seasons)					Minors		2	5	.286	5.11	5.75	23	17	3	0	0	1	98.2	92	63	56	8	61	0	117	2	0	9	436	1.551	8.4	0.7	5.6	10.7	1.92
A+ (1 season)					Minors		3	0	1.000	1.61	1.61	5	5	0	0	0	0	28.0	13	5	5	1	13	0	31	0	1	4	107	0.929	4.2	0.3	4.2	10.0	2.38
A (1 season)					Minors		1	2	.333	4.20	4.20	4	4	0	0	0	0	15.0	15	7	7	0	7	0	21	1	0	1	67	1.467	9.0	0.0	4.2	12.6	3.00
A- (2 seasons)					Minors		0	0		1.88	1.88	5	5	0	0	0	0	14.1	12	3	3	0	6	0	15	0	0	2	58	1.256	7.5	0.0	3.8	9.4	2.50
Rk (4 seasons)					Minors		0	0		2.08	2.08	5	3	0	0	0	0	8.2	10	2	2	0	1	0	9	0	0	2	36	1.269	10.4	0.0	1.0	9.3	9.00
Fal (2 seasons)					Other		2	1	.667	3.86	4.56	7	6	0	0	0	0	25.2	28	13	11	3	10	0	26	0	0	5	108	1.481	9.8	1.1	3.5	9.1	2.60
Smr (1 season)					Other		0	1	.000	3.72	5.59	2	2	0	0	0	0	9.2	10	6	4	1	2	0	17	0	0	3	40	1.241	9.3	0.9	1.9	15.8	8.50