Riley O'Brien

St. Louis Cardinals

Age: 30

Bats/Throws: R/R

6'4" / 180

DOB: 2/6/1995

(30 years, 2 months, 22 days)

Stats

Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring TrainingMLB Regular Season

Season	Team	Level	Age	W W - Wins	L L - Losses	SV SV - Saves	G G - Games Pitched	GS GS - Games Started	IP IP - Innings Pitched	K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP)	BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP)	HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP)	BABIP BABIP - Batting Average on Balls in Play	LOB% LOB% - Left on Base Percentage	GB% GB% - Ground Ball Percentage (GB/BIP)	HR/FB HR/FB - Home Run to Fly Ball Ratio	vFA vFA - Fourseam Fastball velocity (Pitch Info)	ERA ERA - Earned Run Average ((ER*9)/IP)	xERA xERA - Expected ERA	FIP FIP - Fielder Independent Pitching on an ERA scale	xFIP xFIP - Expected Fielder Independent Pitching where Home Runs are calculated as 10.5% of Fly Balls induced	WAR WAR - Wins Above Replacement
2017	TBR	R	22	1	0	0	11	10	41.0	8.78	3.73	0.22	.278	81.9%	47.9%	2.9%		2.20		3.80	4.46
2018	TBR	A	23	4	1	0	15	5	48.1	12.29	3.91	0.56	.215	76.6%	43.2%	9.1%		2.05		2.99	2.78
2018	TBR	A+	23	4	3	0	10	8	40.0	8.33	4.73	0.23	.310	70.1%	40.7%	2.0%		3.60		3.53	4.32
2018	TBR	MiLB	23	8	4	0	25	13	88.1	10.49	4.28	0.41	.267	72.9%	41.8%	4.8%		2.75		3.23	3.48
2019	TBR	A+	24	2	0	0	6	6	34.0	9.26	3.97	0.53	.228	84.3%	39.7%	6.7%		1.59		3.42	3.39
2019	TBR	AA	24	5	6	0	14	11	68.2	9.44	3.80	0.52	.280	67.9%	45.7%	6.3%		3.93		3.49	3.64
2019	TBR	MiLB	24	7	6	0	20	17	102.2	9.38	3.86	0.53	.264	72.5%	44.0%	6.5%		3.16		3.47	3.56
2021	CIN	AAA	26	7	7	0	23	22	112.2	9.67	4.39	1.28	.267	73.0%	45.0%	15.2%		4.55		4.79	4.60
2021	CIN	ST	26	0	0	0	3	0	2.1	19.29	3.86	0.00	.000	100.0%	0.0%	0.0%		0.00		1.86	2.71
2021	CIN	MLB	26	0	1	0	1	1	1.1	13.50	20.25	13.50	.000	100.0%	50.0%	100.0%	91.7	13.50	28.66	26.42	9.57	-0.2
2022	CIN	AAA	27	0	0	0	1	0	3.0	12.00	3.00	3.00	.167	62.5%	57.1%	33.3%		6.00		6.17	3.49
2022	SEA	AAA	27	1	3	0	32	1	36.2	10.55	7.12	0.98	.379	57.4%	56.3%	23.5%		7.12		5.71	5.23
2022	---	MiLB	27	1	3	0	33	1	39.2	10.66	6.81	1.13	.367	57.5%	56.4%	25.0%		7.03		5.74	5.10
2022	CIN	ST	27	0	0	1	3	1	4.0	9.00	2.25	0.00	.462	42.9%	46.2%	0.0%		9.00		2.41	5.04
2022	SEA	MLB	27	0	0	0	1	0	1.0	9.00	9.00	0.00	.333	100.0%	100.0%	0.0%	92.8	0.00	2.20	4.11	4.11	0.0
2023	SEA	AAA	28	2	5	15	51	3	55.0	14.07	5.07	0.33	.327	76.6%	57.1%	10.0%		2.29		3.26	3.50
2023	SEA	ST	28	0	0	3	9	0	8.1	14.04	4.32	0.00	.429	78.6%	71.4%	0.0%		3.24		2.49	3.13
2024	STL	AAA	29	1	0	1	14	0	13.1	6.08	3.38	0.00	.211	76.9%	43.2%	0.0%		1.35		3.34	4.83
2024	STL	ST	29	0	0	1	10	0	10.0	7.20	1.80	0.00	.344	84.6%	41.9%	0.0%		0.90		2.74	4.11
2024	STL	MLB	29	0	0	0	8	0	8.0	12.38	9.00	2.25	.458	62.5%	38.5%	20.0%	96.4	11.25	6.74	7.04	5.68	-0.2
2025	STL	ST	30	0	0	0	3	0	3.0	18.00	6.00	0.00	.429	100.0%	80.0%	0.0%		0.00		1.73	2.32
2025	FGDC	PROJ	30	3	3	0	53	0	53.0	9.13	4.41	0.98	.296	73.1%				4.02		4.24		0.0
2025	Steamer	PROJ	30	3	3	0	53	0	53.0	8.96	4.17	0.88	.297	73.9%	48.2%			3.75		3.99	4.04	0.3
2025	ZiPS	PROJ	30	3	3	0	29	7	50.3	9.30	4.65	1.07	.294	72.3%				4.29		4.50		0.2
2025	ZiPS DC	PROJ	30	3	3	0	53	0	53.0	9.30	4.65	1.07	.294	72.3%				4.29		4.50		-0.1
2025	ATC	PROJ	30	2	2	0	42	0	45.0	9.07	4.52	0.92	.301	72.5%				4.11		4.20		0.2
2025	THE BAT	PROJ	30	2	1	0	42	0	45.0	9.50	4.63	0.90	.287	70.7%				4.20		4.12		0.2
2025	OOPSY	PROJ	30	3	3	0	53	0	53.0	9.10	4.51	0.83	.295	73.2%				3.86		4.00		0.1
2025	STL	AAA	30	0	0	0	7	0	7.0	18.00	3.86	1.29	.364	65.8%	63.6%	50.0%		3.86		3.02	1.61
2025	STL	MLB	30	0	0	0	1	0	0.1	0.00	0.00	0.00	.000	100.0%	0.0%	0.0%		0.00	0.00	3.05	7.24	0.0
2025	FGDC	ROS	30	2	3	0	46	0	46.0	9.28	4.48	0.95	.302	73.0%				4.01		4.08		0.1
2025	Steamer	ROS	30	2	2	0	46	0	46.0	9.24	4.29	0.83	.297	74.3%				3.64		3.78		0.3
2025	ZiPS	ROS	30	2	2		22	5	37.0	9.32	4.66	1.08	.306	71.8%				4.38		4.38		0.2
2025	ZiPS DC	ROS	30	3	3	0	46	0	46.0	9.32	4.66	1.08	.306	71.8%				4.38		4.38		0.0
2025	ATC DC	ROS	30	2	2	0	46	0	46.0	9.07	4.52	0.92	.301	72.5%				4.11		4.09		0.1
2025	THE BAT	ROS	30	2	1	0	47	0	29.0	10.00	4.68	0.90	.288	71.0%				4.13		3.89		0.2
2025	OOPSY	ROS	30	2	2	0	46	0	46.0	9.71	4.20	0.85	.294	73.7%				3.66		3.66		0.1
Total	- - -	MLB		0	1	0	11	1	10.2	11.81	10.13	3.38	.400	72.6%	44.1%	30.8%	92.5	10.13		9.06	6.07	-0.4

Season	Team	Level	Age	W W - Wins	L L - Losses	SV SV - Saves	G G - Games Pitched	GS GS - Games Started	IP IP - Innings Pitched	K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP)	BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP)	HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP)	BABIP BABIP - Batting Average on Balls in Play	LOB% LOB% - Left on Base Percentage	GB% GB% - Ground Ball Percentage (GB/BIP)	HR/FB HR/FB - Home Run to Fly Ball Ratio	vFA vFA - Fourseam Fastball velocity (Pitch Info)	ERA ERA - Earned Run Average ((ER*9)/IP)	xERA xERA - Expected ERA	FIP FIP - Fielder Independent Pitching on an ERA scale	xFIP xFIP - Expected Fielder Independent Pitching where Home Runs are calculated as 10.5% of Fly Balls induced	WAR WAR - Wins Above Replacement
2017	TBR	R	22	1	0	0	11	10	41.0	8.78	3.73	0.22	.278	81.9%	47.9%	2.9%		2.20		3.80	4.46
2018	TBR	A	23	4	1	0	15	5	48.1	12.29	3.91	0.56	.215	76.6%	43.2%	9.1%		2.05		2.99	2.78
2018	TBR	A+	23	4	3	0	10	8	40.0	8.33	4.73	0.23	.310	70.1%	40.7%	2.0%		3.60		3.53	4.32
2018	TBR	MiLB	23	8	4	0	25	13	88.1	10.49	4.28	0.41	.267	72.9%	41.8%	4.8%		2.75		3.23	3.48
2019	TBR	A+	24	2	0	0	6	6	34.0	9.26	3.97	0.53	.228	84.3%	39.7%	6.7%		1.59		3.42	3.39
2019	TBR	AA	24	5	6	0	14	11	68.2	9.44	3.80	0.52	.280	67.9%	45.7%	6.3%		3.93		3.49	3.64
2019	TBR	MiLB	24	7	6	0	20	17	102.2	9.38	3.86	0.53	.264	72.5%	44.0%	6.5%		3.16		3.47	3.56
2021	CIN	AAA	26	7	7	0	23	22	112.2	9.67	4.39	1.28	.267	73.0%	45.0%	15.2%		4.55		4.79	4.60
2021	CIN	ST	26	0	0	0	3	0	2.1	19.29	3.86	0.00	.000	100.0%	0.0%	0.0%		0.00		1.86	2.71
2021	CIN	MLB	26	0	1	0	1	1	1.1	13.50	20.25	13.50	.000	100.0%	50.0%	100.0%	91.7	13.50	28.66	26.42	9.57	-0.2
2022	CIN	AAA	27	0	0	0	1	0	3.0	12.00	3.00	3.00	.167	62.5%	57.1%	33.3%		6.00		6.17	3.49
2022	SEA	AAA	27	1	3	0	32	1	36.2	10.55	7.12	0.98	.379	57.4%	56.3%	23.5%		7.12		5.71	5.23
2022	---	MiLB	27	1	3	0	33	1	39.2	10.66	6.81	1.13	.367	57.5%	56.4%	25.0%		7.03		5.74	5.10
2022	CIN	ST	27	0	0	1	3	1	4.0	9.00	2.25	0.00	.462	42.9%	46.2%	0.0%		9.00		2.41	5.04
2022	SEA	MLB	27	0	0	0	1	0	1.0	9.00	9.00	0.00	.333	100.0%	100.0%	0.0%	92.8	0.00	2.20	4.11	4.11	0.0
2023	SEA	AAA	28	2	5	15	51	3	55.0	14.07	5.07	0.33	.327	76.6%	57.1%	10.0%		2.29		3.26	3.50
2023	SEA	ST	28	0	0	3	9	0	8.1	14.04	4.32	0.00	.429	78.6%	71.4%	0.0%		3.24		2.49	3.13
2024	STL	AAA	29	1	0	1	14	0	13.1	6.08	3.38	0.00	.211	76.9%	43.2%	0.0%		1.35		3.34	4.83
2024	STL	ST	29	0	0	1	10	0	10.0	7.20	1.80	0.00	.344	84.6%	41.9%	0.0%		0.90		2.74	4.11
2024	STL	MLB	29	0	0	0	8	0	8.0	12.38	9.00	2.25	.458	62.5%	38.5%	20.0%	96.4	11.25	6.74	7.04	5.68	-0.2
2025	STL	ST	30	0	0	0	3	0	3.0	18.00	6.00	0.00	.429	100.0%	80.0%	0.0%		0.00		1.73	2.32
2025	FGDC	PROJ	30	3	3	0	53	0	53.0	9.13	4.41	0.98	.296	73.1%				4.02		4.24		0.0
2025	Steamer	PROJ	30	3	3	0	53	0	53.0	8.96	4.17	0.88	.297	73.9%	48.2%			3.75		3.99	4.04	0.3
2025	ZiPS	PROJ	30	3	3	0	29	7	50.3	9.30	4.65	1.07	.294	72.3%				4.29		4.50		0.2
2025	ZiPS DC	PROJ	30	3	3	0	53	0	53.0	9.30	4.65	1.07	.294	72.3%				4.29		4.50		-0.1
2025	ATC	PROJ	30	2	2	0	42	0	45.0	9.07	4.52	0.92	.301	72.5%				4.11		4.20		0.2
2025	THE BAT	PROJ	30	2	1	0	42	0	45.0	9.50	4.63	0.90	.287	70.7%				4.20		4.12		0.2
2025	OOPSY	PROJ	30	3	3	0	53	0	53.0	9.10	4.51	0.83	.295	73.2%				3.86		4.00		0.1
2025	STL	AAA	30	0	0	0	7	0	7.0	18.00	3.86	1.29	.364	65.8%	63.6%	50.0%		3.86		3.02	1.61
2025	STL	MLB	30	0	0	0	1	0	0.1	0.00	0.00	0.00	.000	100.0%	0.0%	0.0%		0.00	0.00	3.05	7.24	0.0
2025	FGDC	ROS	30	2	3	0	46	0	46.0	9.28	4.48	0.95	.302	73.0%				4.01		4.08		0.1
2025	Steamer	ROS	30	2	2	0	46	0	46.0	9.24	4.29	0.83	.297	74.3%				3.64		3.78		0.3
2025	ZiPS	ROS	30	2	2		22	5	37.0	9.32	4.66	1.08	.306	71.8%				4.38		4.38		0.2
2025	ZiPS DC	ROS	30	3	3	0	46	0	46.0	9.32	4.66	1.08	.306	71.8%				4.38		4.38		0.0
2025	ATC DC	ROS	30	2	2	0	46	0	46.0	9.07	4.52	0.92	.301	72.5%				4.11		4.09		0.1
2025	THE BAT	ROS	30	2	1	0	47	0	29.0	10.00	4.68	0.90	.288	71.0%				4.13		3.89		0.2
2025	OOPSY	ROS	30	2	2	0	46	0	46.0	9.71	4.20	0.85	.294	73.7%				3.66		3.66		0.1
Total	- - -	MLB		0	1	0	11	1	10.2	11.81	10.13	3.38	.400	72.6%	44.1%	30.8%	92.5	10.13		9.06	6.07	-0.4

Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring TrainingMLB Regular Season

Season	Team	Level	W W - Wins	L L - Losses	ERA ERA - Earned Run Average ((ER*9)/IP)	G G - Games Pitched	GS GS - Games Started	QS	CG CG - Complete Games	ShO ShO - Shoutouts	SV SV - Saves	HLD HLD - Holds	BS BS - Blown Saves	IP IP - Innings Pitched	TBF TBF - Total Batters Faced	H H - Hits Allowed	R R - Runs Allowed	ER ER - Earned Runs	HR HR - Home Runs	BB BB - Walks	IBB IBB - Intentional	HBP HBP - Hit Batters	WP WP - Wild Pitches	BK BK - Balks	SO SO - Strikeouts
2017	TBR	R	1	0	2.20	11	10		0	0	0	0	0	41.0	159	28	10	10	1	17	0	4	3	0	40
2018	TBR	A	4	1	2.05	15	5		0	0	0	0	1	48.1	185	23	14	11	3	21	0	2	5	0	66
2018	TBR	A+	4	3	3.60	10	8		1	1	0	0	1	40.0	172	36	18	16	1	21	1	0	4	0	37
2018	TBR	MiLB	8	4	2.75	25	13		1	1	0	0	2	88.1	357	59	32	27	4	42	1	2	9	0	103
2019	TBR	A+	2	0	1.59	6	6		0	0	0	0	0	34.0	132	20	8	6	2	15	0	1	3	0	35
2019	TBR	AA	5	6	3.93	14	11		1	1	0	0	0	68.2	297	56	33	30	4	29	0	6	8	0	72
2019	TBR	MiLB	7	6	3.16	20	17		1	1	0	0	0	102.2	429	76	41	36	6	44	0	7	11	0	107
2021	CIN	AAA	7	7	4.55	23	22		0	0	0	0	0	112.2	490	93	59	57	16	55	1	10	7	0	121
2021	CIN	ST	0	0	0.00	3	0		0	0	0	0	0	2.1	8	0	0	0	0	1	0	1	0	0	5
2021	CIN	MLB	0	1	13.50	1	1	0	0	0	0	0	0	1.1	9	2	2	2	2	3	0	0	0	0	2
2022	CIN	AAA	0	0	6.00	1	0		0	0	0	0	0	3.0	12	2	2	2	1	1	0	0	1	0	4
2022	SEA	AAA	1	3	7.12	32	1		0	0	0	1	2	36.2	184	43	36	29	4	29	0	5	3	0	43
2022	---	MiLB	1	3	7.03	33	1		0	0	0	1	2	39.2	196	45	38	31	5	30	0	5	4	0	47
2022	CIN	ST	0	0	9.00	3	1		0	0	1	1	0	4.0	18	6	4	4	0	1	0	0	1	0	4
2022	SEA	MLB	0	0	0.00	1	0	0	0	0	0	0	0	1.0	5	1	0	0	0	1	0	0	0	0	1
2023	SEA	AAA	2	5	2.29	51	3		0	0	15	9	4	55.0	228	36	19	14	2	31	1	5	3	0	86
2023	SEA	ST	0	0	3.24	9	0		0	0	3	0	0	8.1	39	9	3	3	0	4	0	1	3	0	13
2024	STL	AAA	1	0	1.35	14	0		0	0	1	3	1	13.1	52	8	3	2	0	5	0	0	1	0	9
2024	STL	ST	0	0	0.90	10	0		0	0	1	5	1	10.0	42	11	2	1	0	2	0	0	1	0	8
2024	STL	MLB	0	0	11.25	8	0	0	0	0	0	0	1	8.0	46	13	10	10	2	8	0	1	1	0	11
2025	STL	ST	0	0	0.00	3	0		0	0	0	1	0	3.0	15	3	0	0	0	2	0	0	1	0	6
2025	FGDC	PROJ	3	3	4.02	53	0	0			0	5		53.0	232	48	26	24	6	26		4			54
2025	Steamer	PROJ	3	3	3.75	53	0	0	0	0	0	5		53.0	228	48	24	22	5	25	1	3			53
2025	ZiPS	PROJ	3	3	4.29	29	7				0	5		50.3	225	46	26	24	6	26	0	5	3	0	52
2025	ZiPS DC	PROJ	3	3	4.29	53	0	0			0	5		53.0	237	48	27	25	6	27		5			55
2025	ATC	PROJ	2	2	4.11	42	0	0			0	4		45.0	197	41	22	20	5	22	1	3			45
2025	THE BAT	PROJ	2	1	4.20	42	0	0			0	5		45.0	194	38	22	21	4	23	1	3			47
2025	OOPSY	PROJ	3	3	3.86	53	0	0			0	5		53.0	232	47	25	23	5	27		3			54
2025	STL	AAA	0	0	3.86	7	0		0	0	0	0	0	7.0	30	5	4	3	1	3	0	1	0	0	14
2025	STL	MLB	0	0	0.00	1	0	0	0	0	0	1	0	0.1	1	0	0	0	0	0	0	0	0	0	0
2025	FGDC	ROS	2	3	4.01	46	0	0			0	8		46.0	202	42	23	21	5	23		3			48
2025	Steamer	ROS	2	2	3.64	46	0	0	0	0	0	8		46.0	199	41	21	19	4	22		2			48
2025	ZiPS	ROS	2	2	4.38	22	5							37.0	163	34	20	18	4	19		4			38
2025	ZiPS DC	ROS	3	3	4.38	46	0	0			0	8		46.0	205	43	25	23	6	24		5			48
2025	ATC DC	ROS	2	2	4.11	46	0	0			0	8		46.0	204	43	23	21	5	23		3			47
2025	THE BAT	ROS	2	1	4.13	47	0				0	8		29.0	126	24	14	13	3	15	1	2			32
2025	OOPSY	ROS	2	2	3.66	46	0	0			0	8		46.0	198	40	21	19	4	22		2			50
Total	- - -	MLB	0	1	10.13	11	1	0	0	0	0	1	1	10.2	61	16	12	12	4	12	0	1	1	0	14

Season	Team	Level	W W - Wins	L L - Losses	ERA ERA - Earned Run Average ((ER*9)/IP)	G G - Games Pitched	GS GS - Games Started	QS	CG CG - Complete Games	ShO ShO - Shoutouts	SV SV - Saves	HLD HLD - Holds	BS BS - Blown Saves	IP IP - Innings Pitched	TBF TBF - Total Batters Faced	H H - Hits Allowed	R R - Runs Allowed	ER ER - Earned Runs	HR HR - Home Runs	BB BB - Walks	IBB IBB - Intentional	HBP HBP - Hit Batters	WP WP - Wild Pitches	BK BK - Balks	SO SO - Strikeouts
2017	TBR	R	1	0	2.20	11	10		0	0	0	0	0	41.0	159	28	10	10	1	17	0	4	3	0	40
2018	TBR	A	4	1	2.05	15	5		0	0	0	0	1	48.1	185	23	14	11	3	21	0	2	5	0	66
2018	TBR	A+	4	3	3.60	10	8		1	1	0	0	1	40.0	172	36	18	16	1	21	1	0	4	0	37
2018	TBR	MiLB	8	4	2.75	25	13		1	1	0	0	2	88.1	357	59	32	27	4	42	1	2	9	0	103
2019	TBR	A+	2	0	1.59	6	6		0	0	0	0	0	34.0	132	20	8	6	2	15	0	1	3	0	35
2019	TBR	AA	5	6	3.93	14	11		1	1	0	0	0	68.2	297	56	33	30	4	29	0	6	8	0	72
2019	TBR	MiLB	7	6	3.16	20	17		1	1	0	0	0	102.2	429	76	41	36	6	44	0	7	11	0	107
2021	CIN	AAA	7	7	4.55	23	22		0	0	0	0	0	112.2	490	93	59	57	16	55	1	10	7	0	121
2021	CIN	ST	0	0	0.00	3	0		0	0	0	0	0	2.1	8	0	0	0	0	1	0	1	0	0	5
2021	CIN	MLB	0	1	13.50	1	1	0	0	0	0	0	0	1.1	9	2	2	2	2	3	0	0	0	0	2
2022	CIN	AAA	0	0	6.00	1	0		0	0	0	0	0	3.0	12	2	2	2	1	1	0	0	1	0	4
2022	SEA	AAA	1	3	7.12	32	1		0	0	0	1	2	36.2	184	43	36	29	4	29	0	5	3	0	43
2022	---	MiLB	1	3	7.03	33	1		0	0	0	1	2	39.2	196	45	38	31	5	30	0	5	4	0	47
2022	CIN	ST	0	0	9.00	3	1		0	0	1	1	0	4.0	18	6	4	4	0	1	0	0	1	0	4
2022	SEA	MLB	0	0	0.00	1	0	0	0	0	0	0	0	1.0	5	1	0	0	0	1	0	0	0	0	1
2023	SEA	AAA	2	5	2.29	51	3		0	0	15	9	4	55.0	228	36	19	14	2	31	1	5	3	0	86
2023	SEA	ST	0	0	3.24	9	0		0	0	3	0	0	8.1	39	9	3	3	0	4	0	1	3	0	13
2024	STL	AAA	1	0	1.35	14	0		0	0	1	3	1	13.1	52	8	3	2	0	5	0	0	1	0	9
2024	STL	ST	0	0	0.90	10	0		0	0	1	5	1	10.0	42	11	2	1	0	2	0	0	1	0	8
2024	STL	MLB	0	0	11.25	8	0	0	0	0	0	0	1	8.0	46	13	10	10	2	8	0	1	1	0	11
2025	STL	ST	0	0	0.00	3	0		0	0	0	1	0	3.0	15	3	0	0	0	2	0	0	1	0	6
2025	FGDC	PROJ	3	3	4.02	53	0	0			0	5		53.0	232	48	26	24	6	26		4			54
2025	Steamer	PROJ	3	3	3.75	53	0	0	0	0	0	5		53.0	228	48	24	22	5	25	1	3			53
2025	ZiPS	PROJ	3	3	4.29	29	7				0	5		50.3	225	46	26	24	6	26	0	5	3	0	52
2025	ZiPS DC	PROJ	3	3	4.29	53	0	0			0	5		53.0	237	48	27	25	6	27		5			55
2025	ATC	PROJ	2	2	4.11	42	0	0			0	4		45.0	197	41	22	20	5	22	1	3			45
2025	THE BAT	PROJ	2	1	4.20	42	0	0			0	5		45.0	194	38	22	21	4	23	1	3			47
2025	OOPSY	PROJ	3	3	3.86	53	0	0			0	5		53.0	232	47	25	23	5	27		3			54
2025	STL	AAA	0	0	3.86	7	0		0	0	0	0	0	7.0	30	5	4	3	1	3	0	1	0	0	14
2025	STL	MLB	0	0	0.00	1	0	0	0	0	0	1	0	0.1	1	0	0	0	0	0	0	0	0	0	0
2025	FGDC	ROS	2	3	4.01	46	0	0			0	8		46.0	202	42	23	21	5	23		3			48
2025	Steamer	ROS	2	2	3.64	46	0	0	0	0	0	8		46.0	199	41	21	19	4	22		2			48
2025	ZiPS	ROS	2	2	4.38	22	5							37.0	163	34	20	18	4	19		4			38
2025	ZiPS DC	ROS	3	3	4.38	46	0	0			0	8		46.0	205	43	25	23	6	24		5			48
2025	ATC DC	ROS	2	2	4.11	46	0	0			0	8		46.0	204	43	23	21	5	23		3			47
2025	THE BAT	ROS	2	1	4.13	47	0				0	8		29.0	126	24	14	13	3	15	1	2			32
2025	OOPSY	ROS	2	2	3.66	46	0	0			0	8		46.0	198	40	21	19	4	22		2			50
Total	- - -	MLB	0	1	10.13	11	1	0	0	0	0	1	1	10.2	61	16	12	12	4	12	0	1	1	0	14

Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring TrainingMLB Regular SeasonAverages

Season	Team	Level	K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP)	BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP)	K/BB K/BB - Strikeout to Walk Ratio (SO/BB)	HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP)	K% K% - Strikeout Percentage (SO/TBF)	BB% BB% - Walk Percentage (BB/TBF)	K-BB% K-BB% - The difference between strikeout percentage and walk percentage	AVG AVG - Batting Average Against	WHIP WHIP - Walks + Hits divided by Innings Pitched	BABIP BABIP - Batting Average on Balls in Play	LOB% LOB% - Left on Base Percentage	ERA- ERA- - ERA adjusted for park and league where 100 is average and lower is better	FIP- FIP- - FIP adjusted for park and league where 100 is average and lower is better	FIP FIP - Fielder Independent Pitching on an ERA scale
2017	TBR	R	8.78	3.73	2.35	0.22	25.2%	10.7%	14.5%	.203	1.10	.278	81.9%	46	81	3.80
2018	TBR	A	12.29	3.91	3.14	0.56	35.7%	11.4%	24.3%	.142	0.91	.215	76.6%	55	79	2.99
2018	TBR	A+	8.33	4.73	1.76	0.23	21.5%	12.2%	9.3%	.238	1.43	.310	70.1%	96	94	3.53
2018	TBR	MiLB	10.49	4.28	2.45	0.41	28.9%	11.8%	17.1%	.188	1.14	.267	72.9%	73	86	3.23
2019	TBR	A+	9.26	3.97	2.33	0.53	26.5%	11.4%	15.2%	.172	1.03	.228	84.3%	46	101	3.42
2019	TBR	AA	9.44	3.80	2.48	0.52	24.2%	9.8%	14.5%	.214	1.24	.280	67.9%	109	95	3.49
2019	TBR	MiLB	9.38	3.86	2.43	0.53	24.9%	10.3%	14.7%	.201	1.17	.264	72.5%	88	97	3.47
2021	CIN	AAA	9.67	4.39	2.20	1.28	24.7%	11.2%	13.5%	.219	1.31	.267	73.0%	99	106	4.79
2021	CIN	ST	19.29	3.86	5.00	0.00	62.5%	12.5%	50.0%	.000	0.43	.000	100.0%	0	39	1.86
2021	CIN	MLB	13.50	20.25	0.67	13.50	22.2%	33.3%	-11.1%	.333	3.75	.000	100.0%	306	595	26.42
2021			8.90	3.34	2.67	1.26	23.2%	8.7%	14.5%	.241	1.30	.290	72.1%			4.30
2022	CIN	AAA	12.00	3.00	4.00	3.00	33.3%	8.3%	25.0%	.182	1.00	.167	62.5%	130	133	6.17
2022	SEA	AAA	10.55	7.12	1.48	0.98	23.4%	15.8%	7.6%	.287	1.96	.379	57.4%	137	105	5.71
2022	---	MiLB	10.66	6.81	1.57	1.13	24.0%	15.3%	8.7%	.280	1.89	.367	57.5%	136	107	5.74
2022	CIN	ST	9.00	2.25	4.00	0.00	22.2%	5.6%	16.7%	.353	1.75	.462	42.9%	181	48	2.41
2022	SEA	MLB	9.00	9.00	1.00	0.00	20.0%	20.0%	0.0%	.250	2.00	.333	100.0%	0	108	4.11
2022			8.53	3.10	2.75	1.09	22.4%	8.2%	14.3%	.240	1.27	.289	72.6%			4.06
2023	SEA	AAA	14.07	5.07	2.77	0.33	37.7%	13.6%	24.1%	.188	1.22	.327	76.6%	42	57	3.26
2023	SEA	ST	14.04	4.32	3.25	0.00	33.3%	10.3%	23.1%	.265	1.56	.429	78.6%	65	51	2.49
2024	STL	AAA	6.08	3.38	1.80	0.00	17.3%	9.6%	7.7%	.170	0.98	.211	76.9%	28	68	3.34
2024	STL	ST	7.20	1.80	4.00	0.00	19.0%	4.8%	14.3%	.275	1.30	.344	84.6%	20	60	2.74
2024	STL	MLB	12.38	9.00	1.38	2.25	23.9%	17.4%	6.5%	.351	2.63	.458	62.5%	278	175	7.04
2024			8.60	3.12	2.76	1.14	22.6%	8.2%	14.4%	.241	1.27	.289	72.1%			4.11
2025	STL	ST	18.00	6.00	3.00	0.00	40.0%	13.3%	26.7%	.231	1.67	.429	100.0%	0	36	1.73
2025	FGDC	PROJ	9.13	4.41	2.07	0.98	23.1%	11.2%	12.0%	.237	1.40	.296	73.1%			4.24
2025	Steamer	PROJ	8.96	4.17	2.15	0.88	23.2%	10.8%	12.4%	.237	1.36	.297	73.9%			3.99
2025	ZiPS	PROJ	9.30	4.65	2.00	1.07	23.1%	11.6%	11.6%	.237	1.43	.294	72.3%			4.50
2025	ZiPS DC	PROJ	9.30	4.65	2.00	1.07	23.1%	11.6%	11.6%	.237	1.43	.294	72.3%			4.50
2025	ATC	PROJ	9.07	4.52	2.01	0.92	22.9%	11.4%	11.5%	.241	1.42	.301	72.5%			4.20
2025	THE BAT	PROJ	9.50	4.63	2.05	0.90	24.2%	11.8%	12.4%	.225	1.36	.287	70.7%			4.12
2025	OOPSY	PROJ	9.10	4.51	2.02	0.83	23.1%	11.5%	11.7%	.234	1.40	.295	73.2%			4.00
2025	STL	AAA	18.00	3.86	4.67	1.29	46.7%	10.0%	36.7%	.192	1.14	.364	65.8%	87	68	3.02
2025	STL	MLB	0.00	0.00	0.00	0.00	0.0%	0.0%	0.0%	.000	0.00	.000	100.0%	0	80	3.05
2025			8.50	3.45	2.46	1.06	22.2%	9.0%	13.2%	.237	1.29	.286	72.5%			4.12
2025	FGDC	ROS	9.28	4.48	2.07	0.95	23.7%	11.4%	12.2%	.239	1.40	.302	73.0%			4.08
2025	Steamer	ROS	9.24	4.29	2.15	0.83	23.9%	11.1%	12.8%	.233	1.35	.297	74.3%			3.78
2025	ZiPS	ROS	9.32	4.66	2.00	1.08	23.4%	11.7%	11.7%	.245	1.45	.306	71.8%			4.38
2025	ZiPS DC	ROS	9.32	4.66	2.00	1.08	23.4%	11.7%	11.7%	.245	1.45	.306	71.8%			4.38
2025	ATC DC	ROS	9.07	4.52	2.01	0.92	22.9%	11.4%	11.5%	.241	1.42	.301	72.5%			4.09
2025	THE BAT	ROS	10.00	4.68	2.13	0.90	25.7%	12.0%	13.7%	.222	1.35	.288	71.0%			3.89
2025	OOPSY	ROS	9.71	4.20	2.31	0.85	25.2%	10.9%	14.3%	.227	1.32	.294	73.7%			3.66
Total	- - -	MLB	11.81	10.13	1.17	3.38	23.0%	19.7%	3.3%	.333	2.63	.400	72.6%	247	218	9.06

Season	Team	Level	K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP)	BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP)	K/BB K/BB - Strikeout to Walk Ratio (SO/BB)	HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP)	K% K% - Strikeout Percentage (SO/TBF)	BB% BB% - Walk Percentage (BB/TBF)	K-BB% K-BB% - The difference between strikeout percentage and walk percentage	AVG AVG - Batting Average Against	WHIP WHIP - Walks + Hits divided by Innings Pitched	BABIP BABIP - Batting Average on Balls in Play	LOB% LOB% - Left on Base Percentage	ERA- ERA- - ERA adjusted for park and league where 100 is average and lower is better	FIP- FIP- - FIP adjusted for park and league where 100 is average and lower is better	FIP FIP - Fielder Independent Pitching on an ERA scale
2017	TBR	R	8.78	3.73	2.35	0.22	25.2%	10.7%	14.5%	.203	1.10	.278	81.9%	46	81	3.80
2018	TBR	A	12.29	3.91	3.14	0.56	35.7%	11.4%	24.3%	.142	0.91	.215	76.6%	55	79	2.99
2018	TBR	A+	8.33	4.73	1.76	0.23	21.5%	12.2%	9.3%	.238	1.43	.310	70.1%	96	94	3.53
2018	TBR	MiLB	10.49	4.28	2.45	0.41	28.9%	11.8%	17.1%	.188	1.14	.267	72.9%	73	86	3.23
2019	TBR	A+	9.26	3.97	2.33	0.53	26.5%	11.4%	15.2%	.172	1.03	.228	84.3%	46	101	3.42
2019	TBR	AA	9.44	3.80	2.48	0.52	24.2%	9.8%	14.5%	.214	1.24	.280	67.9%	109	95	3.49
2019	TBR	MiLB	9.38	3.86	2.43	0.53	24.9%	10.3%	14.7%	.201	1.17	.264	72.5%	88	97	3.47
2021	CIN	AAA	9.67	4.39	2.20	1.28	24.7%	11.2%	13.5%	.219	1.31	.267	73.0%	99	106	4.79
2021	CIN	ST	19.29	3.86	5.00	0.00	62.5%	12.5%	50.0%	.000	0.43	.000	100.0%	0	39	1.86
2021	CIN	MLB	13.50	20.25	0.67	13.50	22.2%	33.3%	-11.1%	.333	3.75	.000	100.0%	306	595	26.42
2021			8.90	3.34	2.67	1.26	23.2%	8.7%	14.5%	.241	1.30	.290	72.1%			4.30
2022	CIN	AAA	12.00	3.00	4.00	3.00	33.3%	8.3%	25.0%	.182	1.00	.167	62.5%	130	133	6.17
2022	SEA	AAA	10.55	7.12	1.48	0.98	23.4%	15.8%	7.6%	.287	1.96	.379	57.4%	137	105	5.71
2022	---	MiLB	10.66	6.81	1.57	1.13	24.0%	15.3%	8.7%	.280	1.89	.367	57.5%	136	107	5.74
2022	CIN	ST	9.00	2.25	4.00	0.00	22.2%	5.6%	16.7%	.353	1.75	.462	42.9%	181	48	2.41
2022	SEA	MLB	9.00	9.00	1.00	0.00	20.0%	20.0%	0.0%	.250	2.00	.333	100.0%	0	108	4.11
2022			8.53	3.10	2.75	1.09	22.4%	8.2%	14.3%	.240	1.27	.289	72.6%			4.06
2023	SEA	AAA	14.07	5.07	2.77	0.33	37.7%	13.6%	24.1%	.188	1.22	.327	76.6%	42	57	3.26
2023	SEA	ST	14.04	4.32	3.25	0.00	33.3%	10.3%	23.1%	.265	1.56	.429	78.6%	65	51	2.49
2024	STL	AAA	6.08	3.38	1.80	0.00	17.3%	9.6%	7.7%	.170	0.98	.211	76.9%	28	68	3.34
2024	STL	ST	7.20	1.80	4.00	0.00	19.0%	4.8%	14.3%	.275	1.30	.344	84.6%	20	60	2.74
2024	STL	MLB	12.38	9.00	1.38	2.25	23.9%	17.4%	6.5%	.351	2.63	.458	62.5%	278	175	7.04
2024			8.60	3.12	2.76	1.14	22.6%	8.2%	14.4%	.241	1.27	.289	72.1%			4.11
2025	STL	ST	18.00	6.00	3.00	0.00	40.0%	13.3%	26.7%	.231	1.67	.429	100.0%	0	36	1.73
2025	FGDC	PROJ	9.13	4.41	2.07	0.98	23.1%	11.2%	12.0%	.237	1.40	.296	73.1%			4.24
2025	Steamer	PROJ	8.96	4.17	2.15	0.88	23.2%	10.8%	12.4%	.237	1.36	.297	73.9%			3.99
2025	ZiPS	PROJ	9.30	4.65	2.00	1.07	23.1%	11.6%	11.6%	.237	1.43	.294	72.3%			4.50
2025	ZiPS DC	PROJ	9.30	4.65	2.00	1.07	23.1%	11.6%	11.6%	.237	1.43	.294	72.3%			4.50
2025	ATC	PROJ	9.07	4.52	2.01	0.92	22.9%	11.4%	11.5%	.241	1.42	.301	72.5%			4.20
2025	THE BAT	PROJ	9.50	4.63	2.05	0.90	24.2%	11.8%	12.4%	.225	1.36	.287	70.7%			4.12
2025	OOPSY	PROJ	9.10	4.51	2.02	0.83	23.1%	11.5%	11.7%	.234	1.40	.295	73.2%			4.00
2025	STL	AAA	18.00	3.86	4.67	1.29	46.7%	10.0%	36.7%	.192	1.14	.364	65.8%	87	68	3.02
2025	STL	MLB	0.00	0.00	0.00	0.00	0.0%	0.0%	0.0%	.000	0.00	.000	100.0%	0	80	3.05
2025			8.50	3.45	2.46	1.06	22.2%	9.0%	13.2%	.237	1.29	.286	72.5%			4.12
2025	FGDC	ROS	9.28	4.48	2.07	0.95	23.7%	11.4%	12.2%	.239	1.40	.302	73.0%			4.08
2025	Steamer	ROS	9.24	4.29	2.15	0.83	23.9%	11.1%	12.8%	.233	1.35	.297	74.3%			3.78
2025	ZiPS	ROS	9.32	4.66	2.00	1.08	23.4%	11.7%	11.7%	.245	1.45	.306	71.8%			4.38
2025	ZiPS DC	ROS	9.32	4.66	2.00	1.08	23.4%	11.7%	11.7%	.245	1.45	.306	71.8%			4.38
2025	ATC DC	ROS	9.07	4.52	2.01	0.92	22.9%	11.4%	11.5%	.241	1.42	.301	72.5%			4.09
2025	THE BAT	ROS	10.00	4.68	2.13	0.90	25.7%	12.0%	13.7%	.222	1.35	.288	71.0%			3.89
2025	OOPSY	ROS	9.71	4.20	2.31	0.85	25.2%	10.9%	14.3%	.227	1.32	.294	73.7%			3.66
Total	- - -	MLB	11.81	10.13	1.17	3.38	23.0%	19.7%	3.3%	.333	2.63	.400	72.6%	247	218	9.06

Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring TrainingMLB Regular Season

Season	Team	Level	Events Events - The number of Batted Balls (TBF - SO - BB - HBP)	EV EV - Exit Velocity (mph) - Speed of the baseball as it comes off the bat	maxEV maxEV - Maximum Exit Velocity (mph) - Highest speed of a ball off the bat.	LA LA - Launch Angle (degree) - Vertical direction of the ball as it leaves the bat	Barrels Barrels - A batted ball with comparable hit types (in terms of exit velocity and launch angle) have led to a minimum .500 batting average and 1.500 slugging percentage	Barrel% Barrel% - Percentage of batted balls that are classified as barrels	HardHit HardHit - Number of batted balls with exit velocity of 95 mph or higher	HardHit% HardHit% - Percentage of batted balls with exit velocity of 95 mph or higher	ERA ERA - Earned Run Average ((ER*9)/IP)	xERA xERA - Expected ERA
2021	CIN	MLB	4	88.8	111.5	-9.5	2	50.0%	2	50.0%	13.50	28.66
2022	SEA	MLB	3	98.5	105.1	-23.0	0	0.0%	2	66.7%	0.00	2.20
2023	SEA	AAA	106	85.5	115.5	2.5			34	32.1%	2.29
2024	STL	AAA	38	86.8	111.3	12.9			11	28.9%	1.35
2024	STL	MLB	26	89.0	112.3	17.7	2	7.7%	10	38.5%	11.25	6.74
2025	STL	AAA	12	88.8	105.9	5.0			6	50.0%	3.86
2025	STL	MLB	1	94.9	94.9	70.6	0	0.0%	0	0.0%	0.00	0.00
Total	- - -	MLB	34	90.0	112.3	12.5	4	11.8%	14	41.2%	10.13

Season	Team	Level	Events Events - The number of Batted Balls (TBF - SO - BB - HBP)	EV EV - Exit Velocity (mph) - Speed of the baseball as it comes off the bat	maxEV maxEV - Maximum Exit Velocity (mph) - Highest speed of a ball off the bat.	LA LA - Launch Angle (degree) - Vertical direction of the ball as it leaves the bat	Barrels Barrels - A batted ball with comparable hit types (in terms of exit velocity and launch angle) have led to a minimum .500 batting average and 1.500 slugging percentage	Barrel% Barrel% - Percentage of batted balls that are classified as barrels	HardHit HardHit - Number of batted balls with exit velocity of 95 mph or higher	HardHit% HardHit% - Percentage of batted balls with exit velocity of 95 mph or higher	ERA ERA - Earned Run Average ((ER*9)/IP)	xERA xERA - Expected ERA
2021	CIN	MLB	4	88.8	111.5	-9.5	2	50.0%	2	50.0%	13.50	28.66
2022	SEA	MLB	3	98.5	105.1	-23.0	0	0.0%	2	66.7%	0.00	2.20
2023	SEA	AAA	106	85.5	115.5	2.5			34	32.1%	2.29
2024	STL	AAA	38	86.8	111.3	12.9			11	28.9%	1.35
2024	STL	MLB	26	89.0	112.3	17.7	2	7.7%	10	38.5%	11.25	6.74
2025	STL	AAA	12	88.8	105.9	5.0			6	50.0%	3.86
2025	STL	MLB	1	94.9	94.9	70.6	0	0.0%	0	0.0%	0.00	0.00
Total	- - -	MLB	34	90.0	112.3	12.5	4	11.8%	14	41.2%	10.13

Riley O'Brien

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BAL	CHW	ATH
BOS	CLE	HOU
NYY	DET	LAA
TBR	KCR	SEA
TOR	MIN	TEX

ATL	CHC	ARI
MIA	CIN	COL
NYM	MIL	LAD
PHI	PIT	SDP
WSN	STL	SFG