Isaac Mattson

Relief Pitcher

Bats / Throws	Right / Right
Date of Birth	7/14/1995 (27)
Height, Weight	6'2", 205 lb
Hometown	Erie, PA

2021 Season Stats

Needs more playing time to qualify

MLB Rank MLB Average

	Sv	IP	ERA	WHIP	K%	BB%	CSW%
	-	-	-	-	-	-	-

	Sv	IP	- ERA	- WHIP	- K%	- BB%	- CSW%

	FB MPH	SwStr%	HC%	GB%	PLV	xERA
	-	-	-	-	-	-

	- FB MPH	- SwStr%	- HC%	- GB%	- PLV	- xERA

Articles

Stats Glossary

Overview

Show 2021 MLB Percentile | Show 2021 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
2021	BAL	4	0	4.1	0	0	6.23	3.62	5.37	9.62	2.31	11.0	13.0%	21.7%	.333	30.4%	33.3%	0.00	0.0%	70.0%	11.0%	24.2%	4.44
RP MLB Percentile		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
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	24.2%	44.9%	-	13.6%	72.4%	12.8%	29.1%	4.91
1 Year		4	0	4.1	0	0	6.23	-	-	-	2.31	11.0	13.0%	21.7%	.333	30.4%	33.3%	0.00	0.0%	70.0%	11.0%	24.2%	4.44

Repertoire

Four-Seamer | 66%
Curveball | 13%
Slider | 13%
Changeup | 8%
All Pitches

2021 All

Show 2021 MLB Percentile | 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	92.8	65.9%	19.4%	48.3%	8.3%	13.3%	21.7%	58.3%	53.3%	25.0%	62.5%	.333	.444	.375	0.0%	.228	.410	30.8%	2,254
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
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	.228	.410	.221	.320	30.8%	12.5%	37.5%	23.1%	89.7	88.0	28.0	5.3	11.8	-1.3	6.1	6.7	2,254
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
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	60	13	2	1	0	0	1	4	0	0	35	25	.333	.444	.444
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
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	25.0%	12.5%	62.5%	25.0%	0.0%	25.0%	25.0%	50.0%	23.3%	0.0%	12.5%	50.0%	12.5%	12.5%	37.5%
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
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	30.8%	12.5%	37.5%	23.1%	.333	.444	.375	.375	.228	.410	.221	.320	89.7	88.0	28.0
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
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	19.4%	48.3%	8.3%	13.3%	21.7%	58.3%	53.3%	18.5%	45.0%	81.5%	66.7%	85.7%	13.3%	17.6%	52.9%	35.3%
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
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	43.3%	23.3%	33.3%	55.0%	21.7%	23.3%	1.7%	40.0%	36.7%	50.0%	21.7%	28.3%	48.3%	16.7%	5.9%
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	33.8%	27.2%	39.0%	46.3%	27.3%	26.4%	7.7%	29.5%	43.3%	55.2%	16.3%	28.5%	50.6%	13.1%	18.7%

Year	P	PLV	Total PLV	QP%	AP%	BP%	Q-BP%	HP	PLA	Hit Luck
2021	60	4.29	257	40.0%	13.3%	46.7%	-6.7%	-0.1	8.21	+0
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	292	4.83	1,397	40.8%	19.4%	39.8%	1.0%	-1.5	-	-2

Year	MPH	Usage%	O-Sw%	Zone%	SwStr%	CS%	CSW%	Str%	PLUS%	GB%	FB%	AVG	wOBA	BABIP	HR/FB%	xAVG	xwOBA	HC%	Spin
2021	80.9	13.2%	55.6%	25.0%	16.7%	16.7%	33.3%	66.7%	50.0%	100.0%	0.0%	.667	.613	1.000	-	.086	.230	0.0%	2,038
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	78.3	20.4%	26.7%	38.9%	11.5%	17.7%	29.2%	57.0%	51.5%	44.4%	30.9%	.258	.323	.321	14.4%	.257	.322	27.3%	2,394

Year	xAVG	xwOBA	xBABIP	xwoBACON	HC%	Brl%	ICR%	IPA%	EV	FB EV	LA	xMov	yMov	xRP	yRP	Ext	Spin
2021	.086	.230	.130	.114	0.0%	0.0%	50.0%	25.0%	89.2	-	-0.5	1.2	-2.2	-1.4	6.3	6.6	2,038
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	.257	.322	.298	.384	27.3%	7.4%	46.1%	33.7%	87.4	86.7	11.3	4.4	-4.0	-0.7	5.9	6.1	2,394

Year	P	TBF	1B	2B	3B	HR	K	BB	HBP	WP	Strikes	Balls	AVG	SLG	wOBA
2021	12	4	2	0	0	0	1	1	0	0	8	4	.667	.667	.613
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	75	17	2	1	0	0	5	1	0	0	44	31	.258	.440	.323

Year	GB%	LD%	FB%	IFFB%	HR/FB%	Pull%	Cent%	Oppo%	Foul%	Weak%	Top%	Under%	Fl&B%	Solid%	SS%
2021	100.0%	0.0%	0.0%	0.0%	-	100.0%	0.0%	0.0%	16.7%	0.0%	50.0%	0.0%	50.0%	0.0%	0.0%
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	44.4%	24.8%	30.9%	7.0%	14.4%	48.8%	32.5%	18.6%	12.2%	5.1%	31.2%	23.4%	27.8%	5.0%	39.7%

Year	HC%	Brl%	ICR%	IPA%	AVG	wOBA	BABIP	BACON	xAVG	xwOBA	xBABIP	xwoBACON	EV	FB EV	LA
2021	0.0%	0.0%	50.0%	25.0%	.667	.613	1.000	1.000	.086	.230	.130	.114	89.2	-	-0.5
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	27.3%	7.4%	46.1%	33.7%	.258	.323	.321	.358	.257	.322	.298	.384	87.4	86.7	11.3

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	55.6%	25.0%	16.7%	16.7%	33.3%	66.7%	50.0%	33.3%	50.0%	66.7%	60.0%	100.0%	40.0%	42.9%	-	-
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	26.7%	38.9%	11.5%	17.7%	29.2%	57.0%	51.5%	29.2%	39.3%	70.8%	51.3%	84.2%	24.7%	32.1%	51.8%	44.9%

Year	aLoc%	x-mLoc%	gLoc%	hiLoc%	y-mLoc%	loLoc%	heLoc%	iLoc%	oLoc%	Early%	Behind%	2-Str%	Zone%	Early BIP%	PAR%
2021	50.0%	33.3%	16.7%	33.3%	0.0%	66.7%	0.0%	16.7%	50.0%	41.7%	0.0%	58.3%	25.0%	20.0%	14.3%
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	30.8%	24.2%	45.0%	22.1%	19.6%	58.4%	5.6%	30.2%	45.5%	62.8%	5.0%	32.2%	38.9%	12.1%	19.2%

Year	P	PLV	Total PLV	QP%	AP%	BP%	Q-BP%	HP	PLA	Hit Luck
2021	12	4.68	56	41.7%	25.0%	33.3%	8.3%	1.0	6.73	+2
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	75	4.82	365	38.3%	19.9%	41.8%	-3.5%	0.0	-	0

Year	MPH	Usage%	O-Sw%	Zone%	SwStr%	CS%	CSW%	Str%	PLUS%	GB%	FB%	AVG	wOBA	BABIP	HR/FB%	xAVG	xwOBA	HC%	Spin
2021	84.6	13.2%	25.0%	33.3%	25.0%	8.3%	33.3%	50.0%	50.0%	50.0%	50.0%	.000	.000	.000	0.0%	.016	.014	0.0%	2,063
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
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	.016	.014	.024	.021	0.0%	0.0%	-	-	76.0	74.7	19.5	1.4	4.4	-1.4	6.1	6.7	2,063
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	.207	.273	.266	.350	20.7%	6.1%	36.6%	23.1%	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	12	3	0	0	0	0	1	0	0	1	6	6	.000	.000	.000
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
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	50.0%	0.0%	50.0%	0.0%	0.0%	0.0%	50.0%	50.0%	0.0%	0.0%	50.0%	50.0%	0.0%	0.0%	0.0%
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
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	0.0%	0.0%	-	-	.000	.000	.000	.000	.016	.014	.024	.021	76.0	74.7	19.5
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	20.7%	6.1%	36.6%	23.1%	.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	25.0%	33.3%	25.0%	8.3%	33.3%	50.0%	50.0%	60.0%	41.7%	40.0%	50.0%	33.3%	11.1%	50.0%	60.0%	40.0%
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
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	0.0%	0.0%	100.0%	16.7%	0.0%	83.3%	0.0%	8.3%	91.7%	75.0%	8.3%	16.7%	33.3%	22.2%	50.0%
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	20.2%	22.3%	57.4%	16.1%	21.5%	62.5%	6.0%	24.9%	52.8%	58.8%	7.4%	33.8%	40.8%	12.0%	21.5%

Year	P	PLV	Total PLV	QP%	AP%	BP%	Q-BP%	HP	PLA	Hit Luck
2021	12	5.58	67	50.0%	16.7%	33.3%	16.7%	0.3	3.36	+1
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	184	5.09	927	43.9%	20.7%	35.4%	8.5%	-0.4	-	-1

Year	MPH	Usage%	O-Sw%	Zone%	SwStr%	CS%	CSW%	Str%	PLUS%	GB%	FB%	AVG	wOBA	BABIP	HR/FB%	xAVG	xwOBA	HC%	Spin
2021	86.2	7.7%	0.0%	42.9%	0.0%	14.3%	14.3%	57.1%	57.1%	0.0%	100.0%	.000	.000	.000	0.0%	.085	.131	100.0%	1,748
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
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%	.240	.304	25.0%	1,759

Year	xAVG	xwOBA	xBABIP	xwoBACON	HC%	Brl%	ICR%	IPA%	EV	FB EV	LA	xMov	yMov	xRP	yRP	Ext	Spin
2021	.085	.131	.052	.131	100.0%	33.3%	66.7%	66.7%	101.1	101.1	39.7	9.0	7.3	-1.6	5.9	7.0	1,748
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	.240	.304	.267	.351	25.0%	7.0%	41.2%	30.2%	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	7	3	0	0	0	0	0	0	0	0	4	3	.000	.000	.000
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
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	0.0%	0.0%	100.0%	33.3%	0.0%	0.0%	33.3%	66.7%	0.0%	0.0%	0.0%	33.3%	0.0%	33.3%	33.3%
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
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	100.0%	33.3%	66.7%	66.7%	.000	.000	.000	.000	.085	.131	.052	.131	101.1	101.1	39.7
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	25.0%	7.0%	41.2%	30.2%	.242	.308	.272	.314	.240	.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	0.0%	42.9%	0.0%	14.3%	14.3%	57.1%	57.1%	0.0%	42.9%	100.0%	-	100.0%	33.3%	-	0.0%	0.0%
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
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%	32.5%	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	71.4%	0.0%	28.6%	0.0%	42.9%	57.1%	0.0%	42.9%	57.1%	42.9%	14.3%	42.9%	42.9%	33.3%	0.0%
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	56.0%	23.3%	20.7%	17.4%	20.5%	62.1%	4.3%	23.0%	53.7%	59.0%	10.2%	30.9%	34.8%	15.9%	16.4%

Year	P	PLV	Total PLV	QP%	AP%	BP%	Q-BP%	HP	PLA	Hit Luck
2021	7	3.43	24	0.0%	28.6%	71.4%	-71.4%	-1.0	11.43	-1
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	78	4.62	365	32.5%	20.3%	47.2%	-14.8%	-0.2	-	0

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	92.8	65.9%	19.4%	48.3%	8.3%	13.3%	21.7%	58.3%	53.3%	25.0%	62.5%	.333	.444	.375	0.0%	.228	.410	30.8%	2,254
Curveball	80.9	13.2%	55.6%	25.0%	16.7%	16.7%	33.3%	66.7%	50.0%	100.0%	0.0%	.667	.613	1.000	-	.086	.230	0.0%	2,038
Slider	84.6	13.2%	25.0%	33.3%	25.0%	8.3%	33.3%	50.0%	50.0%	50.0%	50.0%	.000	.000	.000	0.0%	.016	.014	0.0%	2,063
Changeup	86.2	7.7%	0.0%	42.9%	0.0%	14.3%	14.3%	57.1%	57.1%	0.0%	100.0%	.000	.000	.000	0.0%	.085	.131	100.0%	1,748

Pitch Type	P	TBF	1B	2B	3B	HR	K	BB	HBP	WP	Strikes	Balls	AVG	SLG	wOBA
Four-Seamer	60	13	2	1	0	0	1	4	0	0	35	25	.333	.444	.444
Curveball	12	4	2	0	0	0	1	1	0	0	8	4	.667	.667	.613
Slider	12	3	0	0	0	0	1	0	0	1	6	6	.000	.000	.000
Changeup	7	3	0	0	0	0	0	0	0	0	4	3	.000	.000	.000

Pitch Type	xAVG	xwOBA	xBABIP	xwoBACON	HC%	Brl%	ICR%	IPA%	EV	FB EV	LA	xMov	yMov	xRP	yRP	Ext	Spin	VAA
Four-Seamer	.228	.410	.221	.320	30.8%	12.5%	37.5%	23.1%	89.7	88.0	28.0	5.3	11.8	-1.3	6.1	6.7	2,254
Curveball	.086	.230	.130	.114	0.0%	0.0%	50.0%	25.0%	89.2	-	-0.5	1.2	-2.2	-1.4	6.3	6.6	2,038
Slider	.016	.014	.024	.021	0.0%	0.0%	-	-	76.0	74.7	19.5	1.4	4.4	-1.4	6.1	6.7	2,063
Changeup	.085	.131