Quick Info
| Profession | Professional baseball pitcher |
|---|---|
| Nationality | American |
| Date of Birth | 06/02/1995 |
| Age | 31 years |
| Birthplace | Seattle, Washington, USA |
Latest News about Riley O’Brien
09/03/2026
Riley O'Brien remained an active member of the St. Louis Cardinals roster during the 2026 MLB season. Team and player profile pages listed him as a right-handed relief pitcher with a 2021 MLB debut and ongoing game activity for St. Louis. He also posted career-high levels in several statistical categories during his recent stints with the club.
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Bio/Wiki
| Full Name | Riley Chun-Young O'Brien |
|---|---|
| Known For | Pitcher for the St. Louis Cardinals in Major League Baseball |
| MLB Debut | 28/09/2021 |
Physical Stats & More
| Height | 6 ft 4 in |
|---|---|
| Weight | 180 lbs |
| Bats | Right |
| Throws | Right |
Educational Qualification(s)
| College | College of Idaho |
|---|---|
| Earlier Education | Everett Community College; Shorewood High School |
Personal Life
| Residence | Shoreline, Washington, USA |
|---|---|
| Spouse | Chellyn |
Relationships & More
| Marital Status | Married |
|---|
Family
| Grandfather | Johnny O'Brien |
|---|---|
| Ethnicity | Korean-American |
Career
| Draft | 2017 MLB Draft, 8th round, 229th overall by the Tampa Bay Rays |
|---|---|
| Teams |
|
| Position | Relief pitcher |
Style Quotient
| Playing Style | Right-handed pitcher |
|---|
Some Lesser Known Facts
| 1. Grandson of former Cardinals infielder Johnny O'Brien. | |
| 2. Played at Everett Community College before the College of Idaho. | |
| 3. Was the first player from the College of Idaho to appear in a Major League game. |