J.B. Bukauskas

#33 - Relief Pitcher

Arizona Diamondbacks

Bats / Throws	Right / Right
Date of Birth	10/11/1996 (26)
Height, Weight	6'0", 208 lb
Hometown	Ashburn, VA

2021 Season Stats

Needs more playing time to qualify

MLB Rank MLB Average

	Sv	IP	ERA	WHIP	K%	BB%	CSW%				FB MPH	SwStr%	HC%	GB%	xERA	xwOBA
	0	17.1	7.79	1.79	17.3%	8.6%	27.6%				94.5	12.2%	28.4%	50.0%	5.18	.348

	177^th 3 Sv	349^th 44 IP	346^th 4.16 ERA	334^th 1.32 WHIP	313^th 24.3% K%	121^st 9.9% BB%	233^rd 29.1% CSW%				144^th 93.9 FB MPH	197^th 12.8% SwStr%	280^th 24.3% HC%	99^th 44.9% GB%	290^th 4.26 xERA	293^rd .310 xwOBA

Articles

7/19/2022NL West Roundup: Who Has Raised Their Game and Who Hasn't?Steve Drumwright

6/27/2022Reliever Ranks – 6/27Eric Dadmun

6/26/2022Reliever Ranks – 6/26Justin Wick

6/25/2022Reliever Ranks – 6/25Dave Swan

6/24/2022Reliever Ranks – 6/24Scott Youngson

See More Articles

Projection

No projection available for this season

View All Player Projections

Stats Glossary

Overview

Show 2021 MLB Average

Year	Team	G	GS	IP	W	L	ERA	xERA	FIP	xFIP	WHIP	H/9	K%	BB%	BABIP	xBABIP	HC%	GB%	HR/FB%	LOB%	SwStr%	CSW%
2021	ARI	21	0	17.1	2	2	7.79	5.18	5.81	4.35	1.79	12.6	17.3%	8.6%	.364	.266	28.4%	50.0%	28.6%	47.2%	12.2%	27.6%
RP MLB AVG		42	0	44.0	3	2	4.16	4.26	4.15	4.18	1.32	8.1	24.5%	10.0%	.288	.279	24.2%	44.9%	13.6%	72.4%	12.8%	29.1%
1 Year		21	0	17.1	2	2	7.79	0.00	0.00	0.00	1.79	12.6	17.3%	8.6%	.364	.266	28.4%	50.0%	28.6%	47.2%	12.2%	27.6%

Repertoire

Four-Seamer | 47%
Slider | 42%
Changeup | 11%
Sinker | 0%
All Pitches

2021 All

Show 2021 MLB Average

Year	MPH	Usage%	O-Sw%	Zone%	SwStr%	CS%	CSW%	Str%	PLUS%	GB%	FB%	AVG	wOBA	BABIP	HR/FB%	xAVG	xwOBA	HC%	Spin
2021	94.5	46.5%	11.8%	61.7%	4.5%	22.6%	27.1%	68.4%	57.9%	46.4%	32.1%	.500	.572	.480	22.2%	.394	.495	46.9%	2,308
RP MLB AVG	93.9	47.4%	25.3%	50.6%	10.9%	16.8%	27.7%	64.7%	59.4%	37.1%	40.5%	.253	.343	.298	13.6%	.248	.344	27.5%	2,285

Year	xAVG	xwOBA	xBABIP	xwoBACON	HC%	Brl%	ICR%	IPA%	EV	FB EV	LA	xMov	yMov	xRP	yRP	Ext.	Spin
2021	.394	.495	.352	.474	46.9%	14.3%	42.9%	37.5%	94.3	94.6	15.9	7.7	6.7	-1.4	5.3	5.4	2,308
RP MLB AVG	.248	.344	.288	.382	27.5%	8.9%	39.4%	25.3%	90.0	88.2	17.7	4.7	9.2	-0.7	5.7	6.4	2,285

Year	P	TBF	1B	2B	3B	HR	K	BB	HBP	WP	Strikes	Balls	AVG	SLG	wOBA
2021	133	32	9	3	0	2	1	3	0	0	91	42	.500	.821	.572
RP MLB AVG	292	72	9	3	0	2	17	9	1	0	190	101	.253	.434	.343

Year	GB%	LD%	FB%	IFFB%	HR/FB%	Pull%	Cent%	Oppo%	Foul%	Weak%	Top%	Under%	Fl&B%	Solid%	SS%
2021	46.4%	21.4%	32.1%	7.1%	22.2%	28.6%	32.1%	39.3%	20.3%	3.6%	32.1%	21.4%	21.4%	7.1%	39.3%
RP MLB AVG	37.1%	22.4%	40.5%	12.5%	13.6%	30.4%	38.4%	31.2%	21.0%	4.0%	25.2%	31.3%	23.6%	7.0%	36.8%

Year	HC%	Brl%	ICR%	IPA%	AVG	wOBA	BABIP	BACON	xAVG	xwOBA	xBABIP	xwoBACON	EV	FB EV	LA
2021	46.9%	14.3%	42.9%	37.5%	.500	.572	.480	.519	.394	.495	.352	.474	94.3	94.6	15.9
RP MLB AVG	27.5%	8.9%	39.4%	25.3%	.253	.343	.298	.336	.248	.344	.288	.382	90.0	88.2	17.7

Year	O-Sw%	Zone%	SwStr%	CS%	CSW%	Str%	PLUS%	Whiff%	Swing%	Con%	O-Con%	Z-Con%	ECS%	2-Str O-Sw%	F-Str%	TF-Str%
2021	11.8%	61.7%	4.5%	22.6%	27.1%	68.4%	57.9%	9.8%	45.9%	90.2%	83.3%	90.9%	25.0%	10.0%	70.2%	55.3%
RP MLB AVG	25.3%	50.6%	10.9%	16.8%	27.7%	64.7%	59.4%	22.6%	47.9%	77.4%	67.1%	81.1%	21.0%	20.8%	60.3%	50.1%

Year	aLoc%	x-mLoc%	gLoc%	hiLoc%	y-mLoc%	loLoc%	heLoc%	iLoc%	oLoc%	Early%	Behind%	2-Str%	Zone%	Early BIP%	PAR%
2021	17.3%	27.8%	54.9%	18.8%	32.3%	48.9%	8.3%	26.3%	45.9%	69.2%	36.1%	7.5%	61.7%	17.4%	10.0%
RP MLB AVG	33.8%	27.2%	39.0%	46.3%	27.3%	26.4%	7.7%	29.5%	43.3%	55.2%	32.6%	28.5%	50.6%	13.1%	18.7%

Year	MPH	Usage%	O-Sw%	Zone%	SwStr%	CS%	CSW%	Str%	PLUS%	GB%	FB%	AVG	wOBA	BABIP	HR/FB%	xAVG	xwOBA	HC%	Spin
2021	86.1	42.0%	48.1%	34.2%	24.2%	10.0%	34.2%	65.8%	60.8%	47.8%	21.7%	.171	.273	.190	40.0%	.152	.242	12.8%	2,382
RP MLB AVG	84.3	31.7%	31.4%	40.8%	16.1%	15.1%	31.2%	60.9%	55.9%	42.4%	36.8%	.219	.280	.284	14.2%	.207	.273	20.7%	2,413

Year	xAVG	xwOBA	xBABIP	xwoBACON	HC%	Brl%	ICR%	IPA%	EV	FB EV	LA	xMov	yMov	xRP	yRP	Ext.	Spin
2021	.152	.242	.160	.320	12.8%	8.7%	34.8%	20.5%	85.6	95.2	6.3	1.2	1.1	-1.5	5.5	5.5	2,382
RP MLB AVG	.207	.273	.266	.350	20.7%	6.1%	35.9%	22.7%	86.3	86.2	14.4	3.3	0.9	-0.8	5.7	6.2	2,413

Year	P	TBF	1B	2B	3B	HR	K	BB	HBP	WP	Strikes	Balls	AVG	SLG	wOBA
2021	120	39	2	1	1	2	13	3	0	0	79	41	.171	.429	.273
RP MLB AVG	184	46	5	2	0	1	15	3	1	1	114	69	.219	.372	.280

Year	GB%	LD%	FB%	IFFB%	HR/FB%	Pull%	Cent%	Oppo%	Foul%	Weak%	Top%	Under%	Fl&B%	Solid%	SS%
2021	47.8%	30.4%	21.7%	0.0%	40.0%	65.2%	17.4%	17.4%	12.5%	0.0%	43.5%	21.7%	17.4%	8.7%	34.8%
RP MLB AVG	42.4%	20.8%	36.8%	10.7%	14.2%	45.1%	34.5%	20.4%	14.3%	5.1%	29.7%	29.3%	23.7%	6.2%	34.4%

Year	HC%	Brl%	ICR%	IPA%	AVG	wOBA	BABIP	BACON	xAVG	xwOBA	xBABIP	xwoBACON	EV	FB EV	LA
2021	12.8%	8.7%	34.8%	20.5%	.171	.273	.190	.261	.152	.242	.160	.320	85.6	95.2	6.3
RP MLB AVG	20.7%	6.1%	35.9%	22.7%	.219	.280	.284	.319	.207	.273	.266	.350	86.3	86.2	14.4

Year	O-Sw%	Zone%	SwStr%	CS%	CSW%	Str%	PLUS%	Whiff%	Swing%	Con%	O-Con%	Z-Con%	ECS%	2-Str O-Sw%	F-Str%	TF-Str%
2021	48.1%	34.2%	24.2%	10.0%	34.2%	65.8%	60.8%	43.3%	55.8%	56.7%	31.6%	89.7%	18.5%	38.0%	54.2%	50.0%
RP MLB AVG	31.4%	40.8%	16.1%	15.1%	31.2%	60.9%	55.9%	35.1%	45.7%	64.9%	44.5%	79.6%	21.2%	26.7%	57.3%	49.4%

Year	aLoc%	x-mLoc%	gLoc%	hiLoc%	y-mLoc%	loLoc%	heLoc%	iLoc%	oLoc%	Early%	Behind%	2-Str%	Zone%	Early BIP%	PAR%
2021	11.7%	21.7%	66.7%	6.7%	16.7%	76.7%	4.2%	25.0%	53.3%	54.2%	17.5%	41.7%	34.2%	9.2%	26.0%
RP MLB AVG	20.2%	22.3%	57.4%	16.1%	21.5%	62.5%	6.0%	24.9%	52.8%	58.8%	20.2%	33.8%	40.8%	12.0%	21.5%

Year	MPH	Usage%	O-Sw%	Zone%	SwStr%	CS%	CSW%	Str%	PLUS%	GB%	FB%	AVG	wOBA	BABIP	HR/FB%	xAVG	xwOBA	HC%	Spin
2021	88.9	10.8%	18.2%	29.0%	0.0%	6.5%	6.5%	41.9%	29.0%	66.7%	0.0%	.444	.391	.444	-	.279	.258	33.3%	1,747
RP MLB AVG	85.3	18.6%	31.9%	34.8%	14.1%	9.6%	23.7%	56.9%	51.3%	48.2%	29.6%	.242	.308	.272	17.5%	.238	.304	24.7%	1,759

Year	xAVG	xwOBA	xBABIP	xwoBACON	HC%	Brl%	ICR%	IPA%	EV	FB EV	LA	xMov	yMov	xRP	yRP	Ext.	Spin
2021	.279	.258	.279	.258	33.3%	0.0%	33.3%	33.3%	81.6	-	-1.1	9.5	0.0	-1.6	5.3	5.4	1,747
RP MLB AVG	.238	.304	.267	.351	24.7%	7.0%	37.2%	27.0%	85.9	86.9	9.0	8.4	4.2	-0.7	5.6	6.2	1,759

Year	P	TBF	1B	2B	3B	HR	K	BB	HBP	WP	Strikes	Balls	AVG	SLG	wOBA
2021	31	9	4	0	0	0	0	0	0	0	13	18	.444	.444	.391
RP MLB AVG	78	21	3	1	0	1	5	1	0	0	47	31	.242	.418	.308

Year	GB%	LD%	FB%	IFFB%	HR/FB%	Pull%	Cent%	Oppo%	Foul%	Weak%	Top%	Under%	Fl&B%	Solid%	SS%
2021	66.7%	33.3%	0.0%	0.0%	-	66.7%	22.2%	11.1%	6.5%	11.1%	55.6%	0.0%	33.3%	0.0%	33.3%
RP MLB AVG	48.2%	22.2%	29.6%	7.1%	17.5%	47.8%	34.5%	17.6%	15.0%	5.0%	34.8%	22.9%	25.4%	4.9%	36.3%

Year	HC%	Brl%	ICR%	IPA%	AVG	wOBA	BABIP	BACON	xAVG	xwOBA	xBABIP	xwoBACON	EV	FB EV	LA
2021	33.3%	0.0%	33.3%	33.3%	.444	.391	.444	.444	.279	.258	.279	.258	81.6	-	-1.1
RP MLB AVG	24.7%	7.0%	37.2%	27.0%	.242	.308	.272	.314	.238	.304	.267	.351	85.9	86.9	9.0

Year	O-Sw%	Zone%	SwStr%	CS%	CSW%	Str%	PLUS%	Whiff%	Swing%	Con%	O-Con%	Z-Con%	ECS%	2-Str O-Sw%	F-Str%	TF-Str%
2021	18.2%	29.0%	0.0%	6.5%	6.5%	41.9%	29.0%	0.0%	35.5%	100.0%	100.0%	100.0%	4.2%	25.0%	45.5%	9.1%
RP MLB AVG	31.9%	34.8%	14.1%	9.6%	23.7%	56.9%	51.3%	29.3%	47.3%	70.7%	59.5%	79.3%	12.5%	29.1%	54.6%	42.3%

Year	aLoc%	x-mLoc%	gLoc%	hiLoc%	y-mLoc%	loLoc%	heLoc%	iLoc%	oLoc%	Early%	Behind%	2-Str%	Zone%	Early BIP%	PAR%
2021	41.9%	35.5%	22.6%	9.7%	19.4%	71.0%	0.0%	25.8%	38.7%	77.4%	25.8%	12.9%	29.0%	29.2%	0.0%
RP MLB AVG	56.0%	23.3%	20.7%	17.4%	20.5%	62.1%	4.3%	23.0%	53.7%	59.0%	25.7%	30.9%	34.8%	15.9%	16.4%

Year	MPH	Usage%	O-Sw%	Zone%	SwStr%	CS%	CSW%	Str%	PLUS%	GB%	FB%	AVG	wOBA	BABIP	HR/FB%	xAVG	xwOBA	HC%	Spin
2021	89.4	0.4%	-	100.0%	0.0%	0.0%	0.0%	0.0%	0.0%	-	-	-	-	-	-	-	-	-	2,299
RP MLB AVG	93.0	31.7%	25.4%	48.8%	7.2%	19.0%	26.2%	63.7%	57.0%	54.7%	24.3%	.291	.364	.319	16.8%	.280	.359	28.9%	2,153

Year	xAVG	xwOBA	xBABIP	xwoBACON	HC%	Brl%	ICR%	IPA%	EV	FB EV	LA	xMov	yMov	xRP	yRP	Ext.	Spin
2021	-	-	-	-	-	-	-	-	-	-	-	7.3	8.0	-1.6	5.3	5.4	2,299
RP MLB AVG	.280	.359	.306	.355	28.9%	6.3%	37.4%	27.2%	87.7	86.1	5.7	8.8	5.6	-0.7	5.5	6.3	2,153

Year	P	TBF	1B	2B	3B	HR	K	BB	HBP	WP	Strikes	Balls	AVG	SLG	wOBA
2021	1	0	0	0	0	0	0	0	0	0	0	1	-	-	-
RP MLB AVG	141	38	6	1	0	1	5	4	1	0	92	49	.291	.436	.364

Year	GB%	LD%	FB%	IFFB%	HR/FB%	Pull%	Cent%	Oppo%	Foul%	Weak%	Top%	Under%	Fl&B%	Solid%	SS%
2021	-	-	-	-	-	-	-	-	0.0%	-	-	-	-	-	-
RP MLB AVG	54.7%	21.1%	24.3%	5.8%	16.8%	32.5%	40.2%	27.3%	18.0%	6.8%	38.6%	17.2%	26.5%	4.7%	33.0%

Year	HC%	Brl%	ICR%	IPA%	AVG	wOBA	BABIP	BACON	xAVG	xwOBA	xBABIP	xwoBACON	EV	FB EV	LA
2021	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	28.9%	6.3%	37.4%	27.2%	.291	.364	.319	.344	.280	.359	.306	.355	87.7	86.1	5.7

Year	O-Sw%	Zone%	SwStr%	CS%	CSW%	Str%	PLUS%	Whiff%	Swing%	Con%	O-Con%	Z-Con%	ECS%	2-Str O-Sw%	F-Str%	TF-Str%
2021	-	100.0%	0.0%	0.0%	0.0%	0.0%	0.0%	-	0.0%	-	-	-	0.0%	-	-	-
RP MLB AVG	25.4%	48.8%	7.2%	19.0%	26.2%	63.7%	57.0%	16.0%	44.7%	84.0%	72.7%	88.7%	22.7%	20.7%	59.2%	47.3%

Year	aLoc%	x-mLoc%	gLoc%	hiLoc%	y-mLoc%	loLoc%	heLoc%	iLoc%	oLoc%	Early%	Behind%	2-Str%	Zone%	Early BIP%	PAR%
2021	0.0%	0.0%	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%	100.0%	100.0%	100.0%	0.0%	100.0%	0.0%	-
RP MLB AVG	48.4%	24.4%	27.2%	27.1%	29.1%	43.8%	7.0%	37.3%	38.3%	61.5%	34.3%	21.2%	48.8%	16.7%	16.6%

Pitch Type	MPH	Usage%	O-Sw%	Zone%	SwStr%	CS%	CSW%	Str%	PLUS%	GB%	FB%	AVG	wOBA	BABIP	HR/FB%	xAVG	xwOBA	HC%	Spin
Four-Seamer	94.5	46.5%	11.8%	61.7%	4.5%	22.6%	27.1%	68.4%	57.9%	46.4%	32.1%	.500	.572	.480	22.2%	.394	.495	46.9%	2,308
Slider	86.1	42.0%	48.1%	34.2%	24.2%	10.0%	34.2%	65.8%	60.8%	47.8%	21.7%	.171	.273	.190	40.0%	.152	.242	12.8%	2,382
Changeup	88.9	10.8%	18.2%	29.0%	0.0%	6.5%	6.5%	41.9%	29.0%	66.7%	0.0%	.444	.391	.444	-	.279	.258	33.3%	1,747
Sinker	89.4	0.4%	-	100.0%	0.0%	0.0%	0.0%	0.0%	0.0%	-	-	-	-	-	-	-	-	-	2,299

Pitch Type	P	TBF	1B	2B	3B	HR	K	BB	HBP	WP	Strikes	Balls	AVG	SLG	wOBA
Four-Seamer	133	32	9	3	0	2	1	3	0	0	91	42	.500	.821	.572
Slider	120	39	2	1	1	2	13	3	0	0	79	41	.171	.429	.273
Changeup	31	9	4	0	0	0	0	0	0	0	13	18	.444	.444	.391
Sinker	1	0	0	0	0	0	0	0	0	0	0	1	-	-	-

Pitch Type	xAVG	xwOBA	xBABIP	xwoBACON	HC%	Brl%	ICR%	IPA%	EV	FB EV	LA	xMov	yMov	xRP	yRP	Ext.	Spin
Four-Seamer	.394	.495	.352	.474	46.9%	14.3%	42.9%	37.5%	94.3	94.6	15.9	7.7	6.7	-1.4	5.3	5.4	2,308
Slider	.152	.242	.160	.320	12.8%	8.7%	34.8%	20.5%	85.6	95.2	6.3	1.2	1.1	-1.5	5.5	5.5	2,382
Changeup	.279	.258	.279	.258	33.3%	0.0%	33.3%	33.3%	81.6	-	-1.1	9.5	0.0	-1.6	5.3	5.4	1,747
Sinker	-	-	-	-	-	-	-	-	-	-	-	7.3	8.0	-1.6	5.3	5.4	2,299

Pitch Type	GB%	LD%	FB%	IFFB%	HR/FB%	Pull%	Cent%	Oppo%	Foul%	Weak%	Top%	Under%	Fl&B%	Solid%	SS%
Four-Seamer	46.4%	21.4%	32.1%	7.1%	22.2%	28.6%	32.1%	39.3%	20.3%	3.6%	32.1%	21.4%	21.4%	7.1%	39.3%
Slider	47.8%	30.4%	21.7%	0.0%	40.0%	65.2%	17.4%	17.4%	12.5%	0.0%	43.5%	21.7%	17.4%	8.7%	34.8%
Changeup	66.7%	33.3%	0.0%	0.0%	-	66.7%	22.2%	11.1%	6.5%	11.1%	55.6%	0.0%	33.3%	0.0%	33.3%
Sinker	-	-	-	-	-	-	-	-	0.0%	-	-	-	-	-	-

Pitch Type	HC%	Brl%	ICR%	IPA%	AVG	wOBA	BABIP	BACON	xAVG	xwOBA	xBABIP	xwoBACON	EV	FB EV	LA
Four-Seamer	46.9%	14.3%	42.9%	37.5%	.500	.572	.480	.519	.394	.495	.352	.474	94.3	94.6	15.9
Slider	12.8%	8.7%	34.8%	20.5%	.171	.273	.190	.261	.152	.242	.160	.320	85.6	95.2	6.3
Changeup	33.3%	0.0%	33.3%	33.3%	.444	.391	.444	.444	.279	.258	.279	.258	81.6	-	-1.1
Sinker