Riley O'Brien

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Year	Age	Lvl	Lg	Org	W	L	Win%	SV	G	GS	GF	CG	ShO	IP	H	R	ER	HR	BB	IBB	SO	HB	GIDP	ERA	WHIP
2021	26	MLB	NL	CIN	0	1	.000	0	1	1	0	0	0	1.1	2	2	2	2	3	0	2	0	0	13.50	3.75
2022	27	MLB	AL	SEA	0	0	---	0	1	0	1	0	0	1.0	1	0	0	0	1	0	1	0	0	0.00	2.00
2024	29	MLB	NL	STL	0	0	---	0	8	0	4	0	0	8.0	13	10	10	2	8	0	11	1	0	11.25	2.63
2025	30	MLB	NL	STL	3	1	.750	6	42	0	15	0	0	48.0	33	13	11	2	22	2	45	7	6	2.06	1.15
Totals					W	L	Win%	SV	G	GS	GF	CG	ShO	IP	H	R	ER	HR	BB	IBB	SO	HB	GIDP	ERA	WHIP
Career			CIN		0	1	.000	0	1	1	0	0	0	1.1	2	2	2	2	3	0	2	0	0	13.50	3.75
Career			SEA		0	0	---	0	1	0	1	0	0	1.0	1	0	0	0	1	0	1	0	0	0.00	2.00
Career			STL		3	1	.750	6	50	0	19	0	0	56.0	46	23	21	4	30	2	56	8	6	3.38	1.36
Career			Majors		3	2	.600	6	52	1	20	0	0	58.1	49	25	23	6	34	2	59	8	6	3.55	1.42

Year	Age	Lvl	Lg	Org	W	L	Win%	SV	G	GS	GF	CG	ShO	IP	H	R	ER	HR	BB	IBB	SO	HB	GIDP	ERA	WHIP
2021	26	MLB	NL	CIN										0.1	1	1	1	1	3	0	1	0	0	27.00	12.00
2021	26	MLB	NL	CIN										1.0	1	1	1	1	0	0	1	0	0	9.00	1.00
2022	27	MLB	AL	SEA										1.0	0	0	0	0	0	0	1	0	0	0.00	0.00
2022	27	MLB	AL	SEA										0.0	1	0	0	0	1	0	0	0	0	---	inf
2024	29	MLB	NL	STL										3.0	6	3	3	1	4	0	4	1	0	9.00	3.33
2024	29	MLB	NL	STL										5.0	7	7	7	1	4	0	7	0	0	12.60	2.20
2025	30	MLB	NL	STL										21.0	11	5	3	0	9	2	27	4	3	1.29	0.95
2025	30	MLB	NL	STL										27.0	22	8	8	2	13	0	18	3	3	2.67	1.30
Totals					W	L	Win%	SV	G	GS	GF	CG	ShO	IP	H	R	ER	HR	BB	IBB	SO	HB	GIDP	ERA	WHIP
Career			vs LH											25.1	18	9	7	2	16	2	33	5	3	2.49	1.34
Career			vs RH											33.0	31	16	16	4	18	0	26	3	3	4.36	1.48

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Baseball Almanac: Riley O'Brien

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Page last updated: Fri Dec 05 01:15:30 2025
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