Riley O’Brien

#61 - Relief Pitcher

Seattle Mariners

Bats / Throws	Right / Right
Date of Birth	2/6/1995 (28)
Height, Weight	6'4", 180 lb
Hometown	Seattle, WA

2022 Season Stats

Needs more playing time to qualify

MLB Rank MLB Average

	Sv	IP	ERA	WHIP	K%	BB%	CSW%
	0	1.0	0.00	2.00	20.0%	20.0%	21.7%

	204^th 0 Sv	347^th 44 IP	1^st 3.98 ERA	340^th 1.31 WHIP	252^nd 23.7% K%	347^th 9.2% BB%	346^th 29.2% CSW%

	FB MPH	SwStr%	HC%	GB%	PLV	xERA
	92.4	8.7%	40.0%	100.0%	4.51	1.43

	291^st 94.2 FB MPH	325^th 12.9% SwStr%	345^th 24.7% HC%	1^st 45.5% GB%	344^th 4.91 PLV	1^st 3.99 xERA

Articles

Stats Glossary

Overview

Show 2022 MLB Percentile | Show 2022 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	CIN	1	1	1.1	0	1	13.50	16.76	31.36	9.48	3.75	16.4	22.2%	33.3%	.000	22.2%	50.0%	16.36	200.0%	100.0%	16.7%	26.2%	4.14
2022	SEA	1	0	1.0	0	0	0.00	1.43	4.11	4.11	2.00	9.0	20.0%	20.0%	.333	40.0%	100.0%	0.00	-	100.0%	8.7%	21.7%	4.51
RP MLB Percentile		0	0	0	0	81	100	100	40	37	2	27	27	0	18	1	100	97	-	100	6	0	1
RP MLB AVG		41	0	44.0	3	2	3.98	3.99	3.89	3.88	1.31	8.2	23.7%	9.3%	.293	24.6%	45.4%	-	12.0%	72.5%	12.9%	29.2%	4.91
2 Years		2	1	2.1	0	1	7.71	-	-	-	3.00	12.9	21.4%	28.6%	.200	28.6%	71.4%	8.57	200.0%	100.0%	13.8%	24.6%	4.27

Repertoire

Curveball | 48%
Four-Seamer | 48%
Changeup | 0%
All Pitches

2021 2022 All

Show 2022 MLB Percentile | Show 2022 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	79.1	23.8%	57.1%	30.0%	40.0%	0.0%	40.0%	70.0%	70.0%	100.0%	0.0%	.000	.000	.000	-	.014	.012	0.0%	2,388
2022	78.0	47.8%	14.3%	36.4%	9.1%	9.1%	18.2%	45.5%	45.5%	-	-	.000	.000	-	-	-	-	-	2,364
RP MLB Percentile	35	97	17	37	41	15	16	15	24	-	-	79	84	-	-	-	-	-	38
RP MLB AVG	77.9	19.2%	27.7%	38.3%	11.0%	18.0%	29.0%	57.8%	52.5%	44.2%	34.7%	.245	.308	.291	14.1%	.244	.316	24.1%	2,392

Year	xAVG	xwOBA	xBABIP	xwoBACON	HC%	Brl%	ICR%	IPA%	EV	FB EV	LA	xMov	yMov	xRP	yRP	Ext	Spin
2021	.014	.012	.027	.024	0.0%	0.0%	-	-	63.2	-	-13.0	7.4	-4.3	-1.2	6.1	6.8	2,388
2022	-	-	-	-	-	-	-	-	-	-	-	9.3	-4.7	-1.6	6.0	6.7	2,364
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	96	48	38	52	87	38
RP MLB AVG	.244	.316	.285	.393	24.1%	8.0%	43.5%	31.0%	87.1	86.5	13.3	4.9	-4.2	-0.7	5.9	6.1	2,392

Year	P	TBF	1B	2B	3B	HR	K	BB	HBP	WP	Strikes	Balls	AVG	SLG	wOBA
2021	10	2	0	0	0	0	1	0	0	0	7	3	.000	.000	.000
2022	11	1	0	0	0	0	1	0	0	0	5	6	.000	.000	.000
RP MLB Percentile	19	5	64	40	4	32	31	35	18	28	13	72	79	79	84
RP MLB AVG	78	18	2	1	0	0	6	1	0	1	47	32	.245	.425	.308

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%	20.0%	0.0%	100.0%	0.0%	0.0%	0.0%	0.0%
2022	-	-	-	-	-	-	-	-	27.3%	-	-	-	-	-	-
RP MLB Percentile	-	-	-	-	-	-	-	-	95	-	-	-	-	-	-
RP MLB AVG	44.2%	21.2%	34.7%	8.0%	14.1%	48.0%	33.2%	18.8%	13.1%	4.4%	32.8%	26.4%	23.6%	4.8%	34.5%

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	.014	.012	.027	.024	63.2	-	-13.0
2022	-	-	-	-	.000	.000	-	-	-	-	-	-	-	-	-
RP MLB Percentile	-	-	-	-	79	84	-	-	-	-	-	-	-	-	-
RP MLB AVG	24.1%	8.0%	43.5%	31.0%	.245	.308	.291	.331	.244	.316	.285	.393	87.1	86.5	13.3

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	57.1%	30.0%	40.0%	0.0%	40.0%	70.0%	70.0%	57.1%	70.0%	42.9%	25.0%	66.7%	0.0%	33.3%	50.0%	50.0%
2022	14.3%	36.4%	9.1%	9.1%	18.2%	45.5%	45.5%	25.0%	36.4%	75.0%	100.0%	66.7%	16.7%	-	33.3%	33.3%
RP MLB Percentile	17	37	41	15	16	15	24	39	40	40	8	89	23	-	10	17
RP MLB AVG	27.7%	38.3%	11.0%	18.0%	29.0%	57.8%	52.5%	28.2%	39.8%	71.8%	51.5%	86.1%	24.5%	31.8%	55.6%	47.7%

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%	10.0%	20.0%	70.0%	0.0%	30.0%	70.0%	70.0%	0.0%	30.0%	30.0%	14.3%	33.3%
2022	36.4%	36.4%	27.3%	9.1%	9.1%	81.8%	0.0%	0.0%	63.6%	54.5%	9.1%	36.4%	36.4%	0.0%	25.0%
RP MLB Percentile	70	90	11	17	10	94	0	0	87	20	13	63	37	0	67
RP MLB AVG	30.0%	23.3%	46.7%	21.3%	19.5%	59.2%	5.2%	29.9%	46.8%	64.2%	4.2%	31.6%	38.3%	11.7%	18.2%

Year	P	PLV	Total PLV	QP%	AP%	BP%	Q-BP%	HP	PLA	Hit Luck
2021	10	4.78	48	30.0%	20.0%	50.0%	-20.0%	-0.8	9.54	0
2022	11	4.14	46	18.2%	9.1%	72.7%	-54.5%	-0.2	8.92	-1
RP MLB Percentile	19	9	17	8	10	7	7	58	-	71
RP MLB AVG	78	4.84	363	37.5%	21.2%	41.3%	-3.9%	0.1	-	0

Year	MPH	Usage%	O-Sw%	Zone%	SwStr%	CS%	CSW%	Str%	PLUS%	GB%	FB%	AVG	wOBA	BABIP	HR/FB%	xAVG	xwOBA	HC%	Spin
2021	91.9	54.8%	20.0%	34.8%	4.3%	17.4%	21.7%	47.8%	39.1%	33.3%	33.3%	.667	1.080	.000	200.0%	.665	.984	40.0%	2,154
2022	92.4	47.8%	33.3%	72.7%	0.0%	18.2%	18.2%	72.7%	63.6%	100.0%	0.0%	.333	.393	.333	-	.092	.233	50.0%	2,127
RP MLB Percentile	16	61	84	100	0	66	2	95	78	100	0	14	26	31	-	99	93	2	13
RP MLB AVG	94.2	43.4%	26.4%	49.2%	10.8%	16.8%	27.6%	64.6%	59.3%	35.7%	41.0%	.255	.346	.303	12.0%	.252	.350	28.3%	2,267

Year	xAVG	xwOBA	xBABIP	xwoBACON	HC%	Brl%	ICR%	IPA%	EV	FB EV	LA	xMov	yMov	xRP	yRP	Ext	Spin
2021	.665	.984	.368	1.179	40.0%	66.7%	66.7%	40.0%	97.4	106.4	-8.3	3.8	9.6	-1.0	6.1	6.9	2,154
2022	.092	.233	.092	.082	50.0%	0.0%	-	-	98.5	-	-23.0	3.6	10.4	-1.3	6.1	6.8	2,127
RP MLB Percentile	99	93	99	100	2	86	-	-	1	-	100	26	76	48	82	84	13
RP MLB AVG	.252	.350	.293	.391	28.3%	8.6%	41.1%	26.4%	90.3	88.0	18.5	4.9	9.1	-0.8	5.6	6.4	2,267

Year	P	TBF	1B	2B	3B	HR	K	BB	HBP	WP	Strikes	Balls	AVG	SLG	wOBA
2021	23	5	0	0	0	2	0	2	0	0	11	12	.667	2.667	1.080
2022	11	4	1	0	0	0	0	1	0	0	8	3	.333	.333	.393
RP MLB Percentile	0	0	95	87	22	76	0	94	42	26	0	100	14	68	26
RP MLB AVG	265	65	9	3	0	2	15	8	1	0	174	91	.255	.429	.346

Year	GB%	LD%	FB%	IFFB%	HR/FB%	Pull%	Cent%	Oppo%	Foul%	Weak%	Top%	Under%	Fl&B%	Solid%	SS%
2021	33.3%	33.3%	33.3%	0.0%	200.0%	66.7%	33.3%	0.0%	13.0%	0.0%	33.3%	0.0%	0.0%	0.0%	66.7%
2022	100.0%	0.0%	0.0%	0.0%	-	33.3%	33.3%	33.3%	27.3%	0.0%	100.0%	0.0%	0.0%	0.0%	0.0%
RP MLB Percentile	100	98	0	0	-	62	39	52	93	0	100	0	99	87	100
RP MLB AVG	35.7%	23.3%	41.0%	12.7%	12.0%	30.8%	35.5%	33.7%	21.1%	3.5%	23.2%	32.0%	25.1%	7.6%	38.1%

Year	HC%	Brl%	ICR%	IPA%	AVG	wOBA	BABIP	BACON	xAVG	xwOBA	xBABIP	xwoBACON	EV	FB EV	LA
2021	40.0%	66.7%	66.7%	40.0%	.667	1.080	.000	.667	.665	.984	.368	1.179	97.4	106.4	-8.3
2022	50.0%	0.0%	-	-	.333	.393	.333	.333	.092	.233	.092	.082	98.5	-	-23.0
RP MLB Percentile	2	86	-	-	14	26	31	45	99	93	99	100	1	-	100
RP MLB AVG	28.3%	8.6%	41.1%	26.4%	.255	.346	.303	.337	.252	.350	.293	.391	90.3	88.0	18.5

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	20.0%	34.8%	4.3%	17.4%	21.7%	47.8%	39.1%	14.3%	30.4%	85.7%	66.7%	100.0%	33.3%	14.3%	71.4%	71.4%
2022	33.3%	72.7%	0.0%	18.2%	18.2%	72.7%	63.6%	0.0%	54.5%	100.0%	100.0%	100.0%	14.3%	-	100.0%	50.0%
RP MLB Percentile	84	100	0	66	2	95	78	0	87	0	0	0	6	-	99	43
RP MLB AVG	26.4%	49.2%	10.8%	16.8%	27.6%	64.6%	59.3%	22.3%	47.8%	77.7%	69.6%	81.0%	21.7%	22.0%	61.2%	51.0%

Year	aLoc%	x-mLoc%	gLoc%	hiLoc%	y-mLoc%	loLoc%	heLoc%	iLoc%	oLoc%	Early%	Behind%	2-Str%	Zone%	Early BIP%	PAR%
2021	17.4%	13.0%	69.6%	30.4%	34.8%	34.8%	4.3%	43.5%	43.5%	52.2%	17.4%	30.4%	34.8%	8.3%	0.0%
2022	36.4%	36.4%	27.3%	9.1%	45.5%	45.5%	18.2%	36.4%	27.3%	63.6%	9.1%	27.3%	72.7%	14.3%	0.0%
RP MLB Percentile	57	98	12	0	100	97	99	87	1	91	92	39	100	66	0
RP MLB AVG	35.1%	27.4%	37.5%	48.6%	26.5%	24.9%	7.3%	29.4%	43.2%	54.7%	15.8%	29.5%	49.2%	12.9%	17.5%

Year	P	PLV	Total PLV	QP%	AP%	BP%	Q-BP%	HP	PLA	Hit Luck
2021	23	3.99	92	21.7%	30.4%	47.8%	-26.1%	3.1	13.97	+1
2022	11	4.77	53	36.4%	36.4%	27.3%	9.1%	0.8	6.46	+1
RP MLB Percentile	0	42	0	25	100	99	99	32	-	34
RP MLB AVG	265	4.80	1,185	40.6%	19.7%	39.7%	0.9%	-1.0	-	-1

Year	MPH	Usage%	O-Sw%	Zone%	SwStr%	CS%	CSW%	Str%	PLUS%	GB%	FB%	AVG	wOBA	BABIP	HR/FB%	xAVG	xwOBA	HC%	Spin
2021	88.1	21.4%	28.6%	22.2%	22.2%	0.0%	22.2%	44.4%	44.4%	-	-	.000	.346	-	-	-	-	-	1,323
2022	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	85.5	18.5%	34.0%	34.6%	13.9%	10.0%	23.9%	58.3%	52.5%	51.6%	26.4%	.241	.296	.279	12.0%	.235	.295	25.1%	1,749

Year	xAVG	xwOBA	xBABIP	xwoBACON	HC%	Brl%	ICR%	IPA%	EV	FB EV	LA	xMov	yMov	xRP	yRP	Ext	Spin
2021	-	-	-	-	-	-	-	-	-	-	-	7.3	4.5	-1.1	6.0	6.9	1,323
2022	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	.235	.295	.270	.334	25.1%	5.1%	38.2%	28.6%	86.5	87.1	6.9	8.6	3.7	-0.6	5.6	6.2	1,749

Year	P	TBF	1B	2B	3B	HR	K	BB	HBP	WP	Strikes	Balls	AVG	SLG	wOBA
2021	9	2	0	0	0	0	1	1	0	0	4	5	.000	.000	.346
2022	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	80	22	3	1	0	0	5	1	0	0	49	32	.241	.380	.296

Year	GB%	LD%	FB%	IFFB%	HR/FB%	Pull%	Cent%	Oppo%	Foul%	Weak%	Top%	Under%	Fl&B%	Solid%	SS%
2021	-	-	-	-	-	-	-	-	22.2%	-	-	-	-	-	-
2022	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	51.6%	22.3%	26.4%	6.8%	12.0%	46.5%	34.0%	19.5%	15.2%	5.5%	40.0%	20.8%	23.0%	5.9%	33.7%

Year	HC%	Brl%	ICR%	IPA%	AVG	wOBA	BABIP	BACON	xAVG	xwOBA	xBABIP	xwoBACON	EV	FB EV	LA
2021	-	-	-	-	.000	.346	-	-	-	-	-	-	-	-	-
2022	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	25.1%	5.1%	38.2%	28.6%	.241	.296	.279	.303	.235	.295	.270	.334	86.5	87.1	6.9

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	28.6%	22.2%	22.2%	0.0%	22.2%	44.4%	44.4%	50.0%	44.4%	50.0%	0.0%	100.0%	0.0%	25.0%	-	-
2022	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	34.0%	34.6%	13.9%	10.0%	23.9%	58.3%	52.5%	28.4%	48.3%	71.6%	61.1%	81.1%	13.7%	35.7%	50.8%	41.4%

Year	aLoc%	x-mLoc%	gLoc%	hiLoc%	y-mLoc%	loLoc%	heLoc%	iLoc%	oLoc%	Early%	Behind%	2-Str%	Zone%	Early BIP%	PAR%
2021	66.7%	22.2%	11.1%	11.1%	11.1%	77.8%	0.0%	11.1%	66.7%	55.6%	0.0%	44.4%	22.2%	0.0%	25.0%
2022	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	56.4%	23.3%	20.3%	16.6%	20.2%	63.2%	4.1%	23.3%	53.4%	58.6%	9.6%	31.8%	34.6%	16.0%	16.2%

Year	P	PLV	Total PLV	QP%	AP%	BP%	Q-BP%	HP	PLA	Hit Luck
2021	9	3.80	34	44.4%	11.1%	44.4%	0.0%	-0.2	15.05	0
2022	-	-	-	-	-	-	-	-	-	-
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	80	4.60	350	32.2%	21.0%	46.8%	-14.6%	-0.3	-	0

Pitch Type	MPH	Usage%	O-Sw%	Zone%	SwStr%	CS%	CSW%	Str%	PLUS%	GB%	FB%	AVG	wOBA	BABIP	HR/FB%	xAVG	xwOBA	HC%	Spin
Curveball	79.1	23.8%	57.1%	30.0%	40.0%	0.0%	40.0%	70.0%	70.0%	100.0%	0.0%