Riley O'Brien Career Stats by Season
| 2026 Regular | 4 | 0 | 0 | 0 | 4 | 4 | 0 | 0 | 0 | 0 | 4 |
| 2026 Preseason | 5 | 0 | 0 | 0 | 4 | 4 | 1 | 1 | 5 | 0 | 5 |
| 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 |
Recent Games
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 College of Idaho.
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 pitcher for the St. Louis Cardinals, wearing jersey number 61. Standing at 6'4" and weighing 180 lbs, the Seattle, Washington native brings a tall, athletic frame to the mound that commands attention in any ballpark. Born on February 6, 1995, O'Brien developed his game at the College of Idaho, where he honed the mechanics and competitive instincts necessary to reach professional baseball's highest level. As a pitcher, O'Brien understands that consistency and resilience are the hallmarks of longevity in the major leagues. While his recent stretch of 1.2 innings across two games reflects an ongoing process of finding his rhythm at the MLB level, O'Brien's journey from the Pacific Northwest to a storied franchise like the Cardinals speaks to his determination and dedication to the craft. Riley O'Brien was born in Seattle, WA, USA.