RileyO'Brien

St. Louis Cardinals
#61
Relief Pitcher

HT/WT
1.93 m, 81 kg
Birthdate
6/2/1995 (31)
BAT/THR
Right/Right
Birthplace
Seattle, WA
Status
Active

pitching

season	Team
2021	CIN
2022	SEA
2024	STL
2025	STL
2026	STL
Career
Season Averages

GP	GS	W	L	W%	WAR	ERA	WHIP	IP	K	BB	K/BB	H	R	ER	SV	HLD	BLSV
1	1	0	1	.000	-0.1	13.50	3.75	1.1	2	3	0.7	2	2	2	0	0	0
1	0	0	0	.000	0.0	0.00	2.00	1.0	1	1	1.0	1	0	0	0	0	0
8	0	0	0	.000	-0.4	11.25	2.63	8.0	11	8	1.4	13	10	10	0	0	1
42	0	3	1	.750	1.5	2.06	1.15	48.0	45	22	2.0	33	13	11	6	6	3
24	0	3	2	.600	0.5	2.96	0.99	24.1	27	4	6.8	20	10	8	13	1	4
76	1	6	4	.600	--	3.38	1.29	82.2	86	38	2.3	69	35	31	19	7	8
15	0	1	1	.600	-	3.38	1.29	16.4	17	8	2.3	14	7	6	4	1	2

Opponent Batting

season	Team
2021	CIN
2022	SEA
2024	STL
2025	STL
2026	STL
Career

P	TBF	P-TBF	OBA	OOBP	OSLUG	OOPS	2B	3B	HR	TB	RBI	BH	SH	SF	IBB
42	9	4.667	.333	.556	1.333	1.889	0	0	2	8	2	0	0	0	0
23	5	4.600	.250	.400	.250	.650	0	0	0	1	0	0	0	0	0
194	46	4.217	.361	.478	.639	1.117	2	1	2	23	11	1	0	1	0
758	199	3.809	.196	.313	.274	.587	5	1	2	46	13	7	1	1	2
379	98	3.867	.227	.299	.273	.572	1	0	1	24	12	5	1	0	0
1396	357	3.910	.228	.338	.338	.676	8	2	7	102	38	13	2	2	2

Expanded Pitching

season	Team
2021	CIN
2022	SEA
2024	STL
2025	STL
2026	STL
Career

P/S	P/I	K/9	GSC	GB	FB	G/F	IR	IRS	WP	SB	CS	RSUP
42.0	31.5	13.5	41.0	2	2	1.0	0	0	0	0	0	1.0
0.0	23.0	9.0	0.0	3	0	0.0	0	0	0	0	0	0.0
0.0	24.3	12.4	0.0	10	16	0.6	3	2	1	0	0	0.0
0.0	15.8	8.4	0.0	69	56	1.2	10	3	3	2	1	0.0
0.0	15.6	10.0	0.0	38	24	1.6	9	4	4	0	0	0.0
42.0	16.9	9.4	0.0	122	98	1.2	22	9	8	2	1	1.0

WAR data provided by Baseball-Reference

Team	W	L	PCT	GB	STRK
Milwaukee	30	20	.600	-	L2
St. Louis	29	22	.569	1.5	L1
Chicago Cubs	29	24	.547	2.5	L8
Cincinnati	27	25	.519	4	W1
Pittsburgh	27	26	.509	4.5	W1

GAMBLING PROBLEM? CALL 1-800-GAMBLER, (800) 327-5050 or visit gamblinghelplinema.org (MA). Call 877-8-HOPENY/text HOPENY (467369) (NY). Please Gamble Responsibly. 888-789-7777/visit ccpg.org (CT), or visit www.mdgamblinghelp.org (MD). 21+ and present in most states. (18+ DC/KY/NH/WY). Void in ONT/OR/NH. Eligibility restrictions apply. On behalf of Boot Hill Casino & Resort (KS). Terms: sportsbook.draftkings.com/promos.

RileyO'Brien

Stats

2026 NL Cent Standings