Seasonal Stats
| 2025 Regular | 41 | 0 | 0 | 0 | 47 | 32 | 13 | 11 | 22 | 2 | 43 |
| 2025 Preseason | 3 | 0 | 0 | 0 | 3 | 3 | 0 | 0 | 2 | 0 | 6 |
Current Season
Latest Riley O'Brien News & Updates
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Frequently Asked Questions
What position does Riley O'Brien play?
Riley O'Brien plays Pitcher for Cardinals.
What team does Riley O'Brien play for?
Riley O'Brien currently plays for Cardinals in the MLB.
How tall is Riley O'Brien?
Riley O'Brien is 6'4" tall.
Where did Riley O'Brien go to college?
Riley O'Brien attended .
Where can I find Riley O'Brien's stats?
You can find comprehensive statistics for Riley O'Brien on this page, including current season stats and game-by-game performance data. The stats are updated regularly to show their latest performance in MLB.
What is Riley O'Brien's background?
Riley O'Brien is a commanding presence on the mound for the St. Louis Cardinals, where the 6'4" right-handed pitcher wears #55. Born on February 6, 1995, in Seattle, Washington, O'Brien's journey to the majors demonstrates his persistence and dedication to the sport. After developing his skills at the College of Idaho, where he transformed from an overlooked prospect into a professional-caliber pitcher, O'Brien has brought his Pacific Northwest work ethic to the big leagues. Known for his imposing frame and deceptive delivery, he uses his height advantage to create a challenging downward plane for hitters. Despite his lean 180-pound build, O'Brien generates impressive velocity and movement on his pitches. His baseball journey from a small college to the prestigious Cardinals organization serves as inspiration for players developing outside traditional power programs. Riley O'Brien was born in Seattle, WA, USA.