Zack Kelly

#76 - Relief Pitcher

Bats / Throws	Right / Right
Date of Birth	3/3/1995 (28)
Height, Weight	6'3", 205 lb
Hometown	Roanoke, VA

2023 Season Stats

MLB Rank MLB Average

	Sv	IP	ERA	WHIP	K%	BB%	CSW%
	0	7.1	3.68	1.64	17.6%	17.6%	27.6%

	115^th 1 Sv	306^th 17 IP	162^nd 4.48 ERA	271^st 1.39 WHIP	274^th 23.4% K%	325^th 10.2% BB%	236^th 29.4% CSW%

	FB MPH	SwStr%	HC%	GB%	PLV	xERA
	94.4	9.7%	32.4%	57.9%	4.83	6.80

	146^th 93.5 FB MPH	267^th 12.3% SwStr%	298^th 25.1% HC%	53^rd 45.7% GB%	297^th 5.06 PLV	312^th 4.37 xERA

Articles

4/21/2023MLB News & Moments You Should Know - April 21Chrystal OKeefe

4/14/2023Fantasy Baseball Relief Pitcher Rankings - 4/14/23 Depth ChartNate Kosher

4/6/2023Fantasy Baseball Relief Pitcher Rankings - 4/6 Depth ChartNate Kosher

10/2/2022Reliever Ranks - 10/2Justin Wick

9/25/2022Reliever Ranks - 9/25Justin Wick

See More Articles

Stats Glossary

Overview

Show 2023 MLB Percentile | Show 2023 MLB Average

Year	Team	G	GS	IP	W	L	ERA	xERA	FIP	xFIP	WHIP	H/9	K%	BB%	BABIP	HC%	GB%	HR/9	HR/FB%	LOB%	SwStr%	CSW%	PLV
2022	BOS	13	0	13.2	1	0	3.95	2.51	4.33	4.61	1.32	9.2	18.6%	6.8%	.286	19.0%	41.9%	1.32	11.1%	78.9%	8.1%	27.0%	4.79
2023	BOS	6	0	7.1	0	0	3.68	6.80	4.98	6.22	1.64	7.4	17.6%	17.6%	.316	32.4%	57.9%	0.00	0.0%	78.6%	9.7%	27.6%	4.83
RP MLB Percentile		15	0	11	0	52	53	10	28	7	22	57	21	7	37	14	84	82	82	65	22	32	13
RP MLB AVG		16	0	17.0	1	1	4.48	4.37	4.31	4.24	1.39	8.5	23.4%	10.2%	.295	25.1%	45.7%	-	13.8%	72.1%	12.3%	29.4%	5.06
2 Years		19	0	21.0	1	0	3.86	-	-	-	1.43	8.6	18.3%	10.8%	.295	23.9%	46.8%	0.86	8.7%	78.8%	8.7%	27.2%	4.80

Repertoire

Four-Seamer | 46%
Changeup | 34%
Slider | 20%
Cutter | 0%
Sinker | 0%
All Pitches

2022 2023 All

Show 2023 MLB Percentile | Show 2023 MLB Average

Year	MPH	Usage%	O-Sw%	Zone%	SwStr%	CS%	CSW%	Str%	PLUS%	GB%	FB%	AVG	wOBA	BABIP	HR/FB%	xAVG	xwOBA	HC%	Spin
2022	94.6	43.2%	15.2%	52.1%	5.2%	25.0%	30.2%	65.6%	61.5%	52.9%	35.3%	.200	.241	.235	0.0%	.158	.192	22.7%	2,150
2023	94.4	45.5%	29.0%	53.0%	7.6%	27.3%	34.8%	69.7%	63.6%	66.7%	33.3%	.364	.488	.444	0.0%	.341	.494	41.2%	1,965
RP MLB Percentile	55	58	66	67	32	92	84	80	77	91	33	21	19	20	59	23	17	15	7
RP MLB AVG	92.8	42.2%	25.5%	48.7%	10.2%	17.5%	27.7%	63.7%	58.0%	36.5%	39.1%	.261	.355	.301	15.3%	.263	.362	29.1%	2,226

Year	xAVG	xwOBA	xBABIP	xwoBACON	HC%	Brl%	ICR%	IPA%	EV	FB EV	LA	xMov	yMov	xRP	yRP	Ext	Spin
2022	.158	.192	.185	.168	22.7%	0.0%	17.6%	13.6%	82.6	77.3	11.3	7.3	9.4	-2.7	5.5	6.7	2,150
2023	.341	.494	.354	.487	41.2%	11.1%	55.6%	29.4%	110.1	95.5	7.6	7.7	9.2	-2.7	5.5	6.9	1,965
RP MLB Percentile	23	17	29	27	15	35	30	47	1	23	84	91	42	3	27	83	7
RP MLB AVG	.263	.362	.299	.407	29.1%	10.2%	45.7%	29.3%	90.9	89.3	17.4	5.0	9.1	-0.8	5.7	6.4	2,226

Year	P	TBF	1B	2B	3B	HR	K	BB	HBP	WP	Strikes	Balls	AVG	SLG	wOBA
2022	96	22	3	1	0	0	3	2	0	0	63	33	.200	.250	.241
2023	66	17	2	2	0	0	2	4	1	0	46	19	.364	.545	.488
RP MLB Percentile	46	47	47	13	7	51	29	26	5	12	49	61	21	30	19
RP MLB AVG	94	23	3	1	0	1	5	3	0	0	61	33	.261	.457	.355

Year	GB%	LD%	FB%	IFFB%	HR/FB%	Pull%	Cent%	Oppo%	Foul%	Weak%	Top%	Under%	Fl&B%	Solid%	SS%
2022	52.9%	11.8%	35.3%	5.9%	0.0%	23.5%	29.4%	47.1%	17.7%	17.6%	35.3%	29.4%	17.6%	0.0%	17.6%
2023	66.7%	11.1%	33.3%	11.1%	0.0%	22.2%	44.4%	33.3%	21.2%	0.0%	33.3%	22.2%	44.4%	0.0%	33.3%
RP MLB Percentile	91	77	33	53	59	28	72	47	57	0	74	33	9	56	61
RP MLB AVG	36.5%	24.5%	39.1%	11.2%	15.3%	33.1%	35.6%	31.3%	19.7%	4.2%	23.4%	30.3%	24.5%	7.5%	38.9%

Year	HC%	Brl%	ICR%	IPA%	AVG	wOBA	BABIP	BACON	xAVG	xwOBA	xBABIP	xwoBACON	EV	FB EV	LA
2022	22.7%	0.0%	17.6%	13.6%	.200	.241	.235	.235	.158	.192	.185	.168	82.6	77.3	11.3
2023	41.2%	11.1%	55.6%	29.4%	.364	.488	.444	.444	.341	.494	.354	.487	110.1	95.5	7.6
RP MLB Percentile	15	35	30	47	21	19	20	24	23	17	29	27	1	23	84
RP MLB AVG	29.1%	10.2%	45.7%	29.3%	.261	.355	.301	.341	.263	.362	.299	.407	90.9	89.3	17.4

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%
2022	15.2%	52.1%	5.2%	25.0%	30.2%	65.6%	61.5%	12.8%	40.6%	87.2%	85.7%	87.5%	31.7%	19.0%	66.7%	63.3%
2023	29.0%	53.0%	7.6%	27.3%	34.8%	69.7%	63.6%	17.9%	42.4%	82.1%	88.9%	78.9%	35.1%	11.1%	66.7%	53.3%
RP MLB Percentile	66	67	32	92	84	80	77	34	30	34	22	60	93	7	66	59
RP MLB AVG	25.5%	48.7%	10.2%	17.5%	27.7%	63.7%	58.0%	21.9%	46.2%	78.2%	68.9%	81.4%	21.8%	23.8%	60.1%	49.6%

Year	aLoc%	x-mLoc%	gLoc%	hiLoc%	y-mLoc%	loLoc%	heLoc%	iLoc%	oLoc%	Early%	Behind%	2-Str%	Zone%	Early BIP%	PAR%
2022	28.1%	28.1%	43.8%	33.3%	31.3%	35.4%	10.4%	29.2%	42.7%	62.5%	15.6%	21.9%	52.1%	10.0%	14.3%
2023	47.0%	27.3%	25.8%	45.5%	27.3%	27.3%	10.6%	18.2%	54.5%	56.1%	16.7%	27.3%	53.0%	16.2%	11.1%
RP MLB Percentile	87	45	14	37	63	64	81	12	88	50	39	43	67	72	25
RP MLB AVG	34.3%	28.3%	37.4%	50.0%	25.9%	24.1%	7.8%	29.6%	42.2%	55.0%	16.0%	29.0%	48.7%	13.2%	18.2%

Year	P	PLV	Total PLV	QP%	AP%	BP%	Q-BP%	HP	PLA	Hit Luck
2022	96	5.07	431	44.7%	25.9%	29.4%	15.3%	-2.7	3.30	-1
2023	66	4.76	309	47.7%	20.0%	32.3%	15.4%	1.4	5.19	+0
RP MLB Percentile	46	37	45	64	67	74	74	28	-	45
RP MLB AVG	94	4.83	464	42.9%	17.9%	39.2%	3.6%	-	-	+1

Year	MPH	Usage%	O-Sw%	Zone%	SwStr%	CS%	CSW%	Str%	PLUS%	GB%	FB%	AVG	wOBA	BABIP	HR/FB%	xAVG	xwOBA	HC%	Spin
2022	82.0	39.2%	27.7%	46.0%	10.3%	13.8%	24.1%	64.4%	56.3%	40.0%	40.0%	.333	.397	.429	16.7%	.149	.236	13.0%	2,356
2023	82.1	34.5%	29.3%	18.0%	14.0%	4.0%	18.0%	42.0%	40.0%	50.0%	33.3%	.111	.281	.167	0.0%	.135	.316	8.3%	2,293
RP MLB Percentile	12	88	44	13	55	29	32	15	24	36	59	76	56	70	56	78	47	74	98
RP MLB AVG	86.0	17.1%	30.8%	33.4%	13.2%	9.0%	22.2%	55.2%	48.1%	53.5%	26.4%	.273	.327	.321	14.6%	.256	.311	23.9%	1,754

Year	xAVG	xwOBA	xBABIP	xwoBACON	HC%	Brl%	ICR%	IPA%	EV	FB EV	LA	xMov	yMov	xRP	yRP	Ext	Spin
2022	.149	.236	.161	.270	13.0%	6.7%	33.3%	21.7%	83.9	87.2	18.2	11.0	4.2	-2.7	5.3	6.7	2,356
2023	.135	.316	.150	.279	8.3%	16.7%	16.7%	8.3%	82.4	84.1	13.2	12.2	2.9	-2.7	5.3	7.0	2,293
RP MLB Percentile	78	47	81	61	74	17	96	98	72	78	37	99	35	2	21	88	98
RP MLB AVG	.256	.311	.291	.358	23.9%	6.0%	44.2%	33.4%	86.2	87.1	7.2	8.9	3.5	-0.7	5.6	6.4	1,754

Year	P	TBF	1B	2B	3B	HR	K	BB	HBP	WP	Strikes	Balls	AVG	SLG	wOBA
2022	87	23	5	1	0	1	6	2	0	0	56	31	.333	.524	.397
2023	50	12	0	1	0	0	3	2	1	1	21	29	.111	.222	.281
RP MLB Percentile	76	67	66	6	6	24	68	7	1	2	62	14	76	67	56
RP MLB AVG	40	11	2	0	0	0	3	1	0	0	24	16	.273	.424	.327

Year	GB%	LD%	FB%	IFFB%	HR/FB%	Pull%	Cent%	Oppo%	Foul%	Weak%	Top%	Under%	Fl&B%	Solid%	SS%
2022	40.0%	20.0%	40.0%	6.7%	16.7%	66.7%	20.0%	13.3%	23.0%	6.7%	33.3%	26.7%	26.7%	0.0%	26.7%
2023	50.0%	16.7%	33.3%	0.0%	0.0%	66.7%	33.3%	0.0%	12.0%	0.0%	50.0%	33.3%	0.0%	0.0%	16.7%
RP MLB Percentile	36	52	59	0	56	66	50	0	42	0	61	73	74	35	76
RP MLB AVG	53.5%	20.1%	26.4%	6.6%	14.6%	50.8%	31.6%	17.6%	13.3%	4.5%	39.4%	18.9%	26.1%	5.1%	32.3%

Year	HC%	Brl%	ICR%	IPA%	AVG	wOBA	BABIP	BACON	xAVG	xwOBA	xBABIP	xwoBACON	EV	FB EV	LA
2022	13.0%	6.7%	33.3%	21.7%	.333	.397	.429	.467	.149	.236	.161	.270	83.9	87.2	18.2
2023	8.3%	16.7%	16.7%	8.3%	.111	.281	.167	.167	.135	.316	.150	.279	82.4	84.1	13.2
RP MLB Percentile	74	17	96	98	76	56	70	74	78	47	81	61	72	78	37
RP MLB AVG	23.9%	6.0%	44.2%	33.4%	.273	.327	.321	.346	.256	.311	.291	.358	86.2	87.1	7.2

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%
2022	27.7%	46.0%	10.3%	13.8%	24.1%	64.4%	56.3%	20.5%	50.6%	79.5%	53.8%	90.3%	23.3%	32.3%	61.5%	46.2%
2023	29.3%	18.0%	14.0%	4.0%	18.0%	42.0%	40.0%	36.8%	38.0%	63.2%	58.3%	71.4%	5.3%	29.2%	37.5%	37.5%
RP MLB Percentile	44	13	55	29	32	15	24	68	22	69	59	69	32	29	26	39
RP MLB AVG	30.8%	33.4%	13.2%	9.0%	22.2%	55.2%	48.1%	28.5%	46.2%	71.5%	61.8%	80.4%	12.4%	35.7%	51.1%	40.6%

Year	aLoc%	x-mLoc%	gLoc%	hiLoc%	y-mLoc%	loLoc%	heLoc%	iLoc%	oLoc%	Early%	Behind%	2-Str%	Zone%	Early BIP%	PAR%
2022	43.7%	27.6%	28.7%	13.8%	18.4%	67.8%	9.2%	29.9%	42.5%	49.4%	14.9%	35.6%	46.0%	14.0%	19.4%
2023	64.0%	20.0%	16.0%	20.0%	26.0%	54.0%	4.0%	20.0%	60.0%	38.0%	14.0%	48.0%	18.0%	10.5%	12.5%
RP MLB Percentile	63	35	42	68	79	21	63	44	61	10	23	85	13	28	38
RP MLB AVG	57.2%	22.7%	20.1%	15.5%	18.4%	66.1%	3.4%	22.9%	54.4%	57.7%	9.2%	33.2%	33.4%	17.3%	17.0%

Year	P	PLV	Total PLV	QP%	AP%	BP%	Q-BP%	HP	PLA	Hit Luck
2022	87	4.52	330	38.4%	17.8%	43.8%	-5.5%	0.5	4.40	-1
2023	50	4.88	244	46.0%	14.0%	40.0%	6.0%	2.1	4.86	+1
RP MLB Percentile	76	48	75	67	29	46	46	14	-	28
RP MLB AVG	40	4.87	201	40.2%	18.5%	41.3%	-1.1%	0.5	-	+0

Year	MPH	Usage%	O-Sw%	Zone%	SwStr%	CS%	CSW%	Str%	PLUS%	GB%	FB%	AVG	wOBA	BABIP	HR/FB%	xAVG	xwOBA	HC%	Spin
2022	85.6	13.1%	25.0%	44.8%	13.8%	10.3%	24.1%	58.6%	48.3%	25.0%	50.0%	.333	.469	.286	25.0%	.328	.515	33.3%	2,515
2023	85.8	20.0%	21.4%	51.7%	6.9%	20.7%	27.6%	62.1%	58.6%	50.0%	0.0%	.200	.251	.250	-	.332	.312	60.0%	2,454
RP MLB Percentile	67	24	24	85	15	82	39	56	62	60	0	49	54	52	-	18	41	6	58
RP MLB AVG	84.1	32.5%	28.6%	40.7%	14.2%	15.3%	29.5%	59.7%	54.5%	40.5%	37.3%	.232	.293	.289	12.9%	.225	.289	21.3%	2,400

Year	xAVG	xwOBA	xBABIP	xwoBACON	HC%	Brl%	ICR%	IPA%	EV	FB EV	LA	xMov	yMov	xRP	yRP	Ext	Spin
2022	.328	.515	.227	.579	33.3%	25.0%	37.5%	33.3%	90.9	95.9	15.8	2.8	1.1	-3.0	5.6	6.6	2,515
2023	.332	.312	.416	.390	60.0%	0.0%	50.0%	40.0%	98.2	-	7.3	2.2	2.2	-2.9	5.5	6.9	2,454
RP MLB Percentile	18	41	14	39	6	53	28	26	7	-	77	34	69	5	34	87	58
RP MLB AVG	.225	.289	.268	.355	21.3%	7.1%	40.1%	27.1%	86.5	86.5	15.4	3.9	1.2	-0.9	5.6	6.3	2,400

Year	P	TBF	1B	2B	3B	HR	K	BB	HBP	WP	Strikes	Balls	AVG	SLG	wOBA
2022	29	9	1	1	0	1	1	0	0	0	17	12	.333	.778	.469
2023	29	5	0	1	0	0	1	0	0	0	18	11	.200	.400	.251
RP MLB Percentile	26	18	76	21	5	40	14	58	19	24	28	73	49	37	54
RP MLB AVG	80	20	2	1	0	1	6	1	0	0	49	30	.232	.387	.293

Year	GB%	LD%	FB%	IFFB%	HR/FB%	Pull%	Cent%	Oppo%	Foul%	Weak%	Top%	Under%	Fl&B%	Solid%	SS%
2022	25.0%	25.0%	50.0%	0.0%	25.0%	62.5%	37.5%	0.0%	6.9%	0.0%	25.0%	37.5%	12.5%	0.0%	62.5%
2023	50.0%	50.0%	0.0%	0.0%	-	25.0%	50.0%	25.0%	20.7%	0.0%	25.0%	25.0%	50.0%	0.0%	50.0%
RP MLB Percentile	60	9	0	0	-	10	78	60	89	0	41	41	9	50	17
RP MLB AVG	40.5%	22.2%	37.3%	11.1%	12.9%	46.8%	31.7%	21.5%	14.2%	5.0%	29.3%	29.4%	23.7%	5.6%	36.0%

Year	HC%	Brl%	ICR%	IPA%	AVG	wOBA	BABIP	BACON	xAVG	xwOBA	xBABIP	xwoBACON	EV	FB EV	LA
2022	33.3%	25.0%	37.5%	33.3%	.333	.469	.286	.375	.328	.515	.227	.579	90.9	95.9	15.8
2023	60.0%	0.0%	50.0%	40.0%	.200	.251	.250	.250	.332	.312	.416	.390	98.2	-	7.3
RP MLB Percentile	6	53	28	26	49	54	52	61	18	41	14	39	7	-	77
RP MLB AVG	21.3%	7.1%	40.1%	27.1%	.232	.293	.289	.320	.225	.289	.268	.355	86.5	86.5	15.4

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%
2022	25.0%	44.8%	13.8%	10.3%	24.1%	58.6%	48.3%	28.6%	48.3%	71.4%	25.0%	90.0%	12.5%	33.3%	57.1%	35.7%
2023	21.4%	51.7%	6.9%	20.7%	27.6%	62.1%	58.6%	16.7%	41.4%	83.3%	66.7%	88.9%	28.6%	40.0%	45.5%	36.4%
RP MLB Percentile	24	85	15	82	39	56	62	13	34	14	18	30	81	76	20	20
RP MLB AVG	28.6%	40.7%	14.2%	15.3%	29.5%	59.7%	54.5%	31.9%	44.4%	68.1%	47.2%	82.5%	21.1%	28.2%	56.6%	48.4%

Year	aLoc%	x-mLoc%	gLoc%	hiLoc%	y-mLoc%	loLoc%	heLoc%	iLoc%	oLoc%	Early%	Behind%	2-Str%	Zone%	Early BIP%	PAR%
2022	37.9%	17.2%	44.8%	27.6%	24.1%	48.3%	6.9%	44.8%	37.9%	82.8%	6.9%	10.3%	44.8%	33.3%	33.3%
2023	31.0%	27.6%	41.4%	27.6%	27.6%	44.8%	3.4%	31.0%	41.4%	72.4%	10.3%	17.2%	51.7%	9.5%	20.0%
RP MLB Percentile	85	77	11	85	76	12	26	70	17	90	24	9	85	35	45
RP MLB AVG	20.4%	22.1%	57.5%	17.5%	22.1%	60.4%	5.9%	25.0%	52.9%	59.1%	7.5%	33.4%	40.7%	12.5%	20.1%

Year	P	PLV	Total PLV	QP%	AP%	BP%	Q-BP%	HP	PLA	Hit Luck
2022	29	4.58	119	38.5%	3.8%	57.7%	-19.2%	1.5	4.57	+1
2023	29	4.92	143	37.9%	20.7%	41.4%	-3.4%	-0.3	4.71	-1
RP MLB Percentile	26	19	26	16	47	14	14	70	-	76
RP MLB AVG	80	5.22	421	48.1%	22.7%	29.2%	18.8%	0.7	-	+1

Year	MPH	Usage%	O-Sw%	Zone%	SwStr%	CS%	CSW%	Str%	PLUS%	GB%	FB%