Riley O'Brien

St. Louis CardinalsMLBPB/T: R/RAge 31

pitching · by season

Season	G	W	L	IP	SO	BB	WHIP	ERA
2026	42	3	4	41.2	44	17	1.22	3.67
2025	42	3	1	48.0	45	22	1.15	2.06
2024	8	0	0	8.0	11	8	2.63	11.25
2022	1	0	0	1.0	1	1	2.00	0.00
2021	1	0	1	1.1	2	3	3.75	13.50

Recent games

07-22@ LAA · 1.0 IP, 0 ER, 3 K, 2 BB (S)07-22@ LAA · 0-0 07-20@ LAA · 0.1 IP, 2 ER, 1 K, 1 BB (L)07-17@ AZ · 1.0 IP, 0 ER, 1 K, 1 BB (S)07-14vs mlb_159 · 1.0 IP, 0 ER, 1 K, 0 BB 07-11vs ATL · 1.0 IP, 0 ER, 1 K, 1 BB (S)07-10vs ATL · 1.0 IP, 0 ER, 2 K, 0 BB (S)07-08vs MIL · 1.0 IP, 0 ER, 1 K, 0 BB 07-04@ CHC · 1.0 IP, 0 ER, 1 K, 1 BB (S)06-30@ ATL · 1.0 IP, 0 ER, 0 K, 0 BB (S)06-28vs MIA · 1.0 IP, 0 ER, 1 K, 0 BB (S)06-22vs AZ · 1.0 IP, 0 ER, 0 K, 0 BB (S)06-21@ KC · 1.0 IP, 2 ER, 1 K, 0 BB 06-16vs SD · 1.0 IP, 0 ER, 0 K, 1 BB (S)06-13@ MIN · 1.0 IP, 1 ER, 1 K, 3 BB 06-07vs CIN · 1.0 IP, 0 ER, 1 K, 0 BB (S)06-06vs CIN · 1.0 IP, 0 ER, 1 K, 1 BB (S)06-03vs TEX · 1.0 IP, 0 ER, 0 K, 1 BB (S)06-02vs TEX · 1.0 IP, 3 ER, 2 K, 1 BB (L)05-29vs CHC · 1.0 IP, 1 ER, 0 K, 0 BB (S)05-23@ CIN · 1.1 IP, 0 ER, 2 K, 1 BB (L)05-19vs PIT · 1.0 IP, 2 ER, 0 K, 1 BB 05-15vs KC · 1.0 IP, 0 ER, 0 K, 0 BB 05-14@ ATH · 1.0 IP, 0 ER, 2 K, 0 BB (S)05-12@ ATH · 1.0 IP, 0 ER, 0 K, 1 BB (S)05-10@ SD · 1.0 IP, 2 ER, 3 K, 0 BB 05-07@ SD · 1.0 IP, 0 ER, 1 K, 0 BB (S)05-04vs MIL · 0.2 IP, 0 ER, 0 K, 0 BB (S)05-02vs LAD · 1.0 IP, 2 ER, 2 K, 0 BB (S)04-29@ PIT · 1.0 IP, 0 ER, 1 K, 0 BB (S)04-25vs SEA · 1.0 IP, 2 ER, 1 K, 1 BB (L)04-21@ MIA · 1.0 IP, 0 ER, 1 K, 0 BB (S)04-19@ HOU · 1.1 IP, 0 ER, 2 K, 0 BB (W)04-18@ HOU · 0.2 IP, 0 ER, 1 K, 0 BB (S)04-15vs CLE · 1.0 IP, 0 ER, 2 K, 0 BB (S)04-14vs CLE · 1.0 IP, 0 ER, 1 K, 0 BB (W)04-10vs BOS · 1.0 IP, 0 ER, 1 K, 0 BB (S)04-08@ WSH · 1.0 IP, 0 ER, 0 K, 0 BB 04-07@ WSH · 1.0 IP, 0 ER, 2 K, 0 BB (S)04-05@ DET · 1.0 IP, 0 ER, 1 K, 0 BB (S)04-01vs NYM · 1.0 IP, 0 ER, 2 K, 0 BB 03-31vs NYM · 1.0 IP, 0 ER, 0 K, 0 BB (S)03-28vs TB · 1.0 IP, 0 ER, 0 K, 0 BB 03-26vs TB · 1.1 IP, 0 ER, 2 K, 0 BB (W)03-23@ mlb_440 · 1.0 IP, 2 ER, 2 K, 0 BB (W)03-19vs WSH · 1.0 IP, 0 ER, 2 K, 0 BB 03-15vs WSH · 1.0 IP, 0 ER, 2 K, 0 BB 03-13vs HOU · 1.0 IP, 0 ER, 1 K, 0 BB 03-10@ NYM · 0.2 IP, 1 ER, 0 K, 4 BB 03-07vs NYM · 1.0 IP, 0 ER, 0 K, 1 BB

Season stats: official, via MLB Stats API. Game log from the BenchScout archive.