Player
Riley O'Brien
Player Info
- Full Name
- Riley Chun-Young
- Born
-
February 6, 1995
Seattle, WA, USA - Size
- 6'4" / 180 lbs
- B/T
- R / R
- Debut
- September 28, 2021
Teams
- Cincinnati Reds 2021-2021
- Seattle Mariners 2022-2022
- St. Louis Cardinals 2024-2025
Career Pitching
3-2
W-L
3.55
ERA
52
G
59
SO
6
SV
1.42
WHIP
Pitching Season by Season
| Year | Team | W | L | ERA | G | GS | SV | IP | SO | BB |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | St. Louis Cardinals | 3 | 1 | 2.06 | 42 | 0 | 6 | 48.0 | 45 | 22 |
| 2024 | St. Louis Cardinals | 0 | 0 | 11.25 | 8 | 0 | 0 | 8.0 | 11 | 8 |
| 2022 | Seattle Mariners | 0 | 0 | 0.00 | 1 | 0 | 0 | 1.0 | 1 | 1 |
| 2021 | Cincinnati Reds | 0 | 1 | 13.50 | 1 | 1 | 0 | 1.0 | 2 | 3 |
Advanced Pitching
About these stats
| Year | Lg | IP | K/9 | BB/9 | WHIP | Qual |
|---|---|---|---|---|---|---|
| 2025 | NL | 48.0 | 8.44 | 4.13 | 1.146 | |
| 2024 | NL | 8.0 | 12.38 | 9.00 | 2.625 | |
| 2022 | AL | 1.0 | 9.00 | 9.00 | 2.000 | |
| 2021 | NL | 1.3 | 13.50 | 20.25 | 3.750 |
Batting Season by Season
| Year | Team | G | AB | H | 2B | 3B | HR | R | AVG |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | St. Louis Cardinals | 42 | 0 | 0 | 0 | 0 | 0 | 0 | .000 |
| 2024 | St. Louis Cardinals | 8 | 0 | 0 | 0 | 0 | 0 | 0 | .000 |
| 2022 | Seattle Mariners | 1 | 0 | 0 | 0 | 0 | 0 | 0 | .000 |
| 2021 | Cincinnati Reds | 1 | 0 | 0 | 0 | 0 | 0 | 0 | .000 |
Career Fielding by Position
| Pos | G | PO | A | E | DP | FPct |
|---|---|---|---|---|---|---|
| P | 52 | 5 | 8 | 0 | 1 | 1.000 |
Fielding Season by Season
| Year | Team | Pos | G | PO | A | E | DP | FPct |
|---|---|---|---|---|---|---|---|---|
| 2025 | St. Louis Cardinals | P | 42 | 5 | 8 | 0 | 1 | 1.000 |
| 2024 | St. Louis Cardinals | P | 8 | 0 | 0 | 0 | 0 | .000 |
| 2022 | Seattle Mariners | P | 1 | 0 | 0 | 0 | 0 | .000 |
| 2021 | Cincinnati Reds | P | 1 | 0 | 0 | 0 | 0 | .000 |