← Back to leaderboard
Riley O'Brien
Pitcher — St. Louis Cardinals
#61Height: 6'4"
As Pitcher
Challenges
28
Overturn Rate
32.1%
Overturned
9
Confirmed
19
Recent Challenges
| Date | Inning | Role | Opponent | Call | Result | Zone |
|---|---|---|---|---|---|---|
| 2026-09-12 | ▲ 9 | As Pitcher | Batter: Randal Grichuk(STL) | Ball → Ball | Confirmed | |
| 2026-09-12 | ▲ 9 | As Pitcher | Batter: Miguel Vargas(STL) | Ball → Strike | Overturned | |
| 2026-09-11 | ▲ 9 | As Pitcher | Batter: Andrew Benintendi(STL) | Ball → Ball | Confirmed | |
| 2026-09-04 | ▼ 9 | As Pitcher | Batter: Hunter Goodman(STL) | Ball → Strike | Overturned | |
| 2026-09-03 | ▼ 9 | As Pitcher | Batter: Teoscar Hernández(LAD) | Strike → Strike | Confirmed | |
| 2026-08-27 | ▲ 9 | As Pitcher | Batter: Dylan Beavers(BAL) | Strike → Strike | Confirmed | |
| 2026-08-23 | ▼ 9 | As Pitcher | Batter: Bryan De La Cruz(PHI) | Strike → Strike | Confirmed | |
| 2026-08-07 | ▲ 9 | As Pitcher | Batter: Ezequiel Tovar(STL) | Ball → Ball | Confirmed | |
| 2026-08-02 | ▼ 9 | As Pitcher | Batter: Alejandro Kirk(TOR) | Strike → Strike | Confirmed | |
| 2026-08-02 | ▼ 9 | As Pitcher | Batter: George Springer(STL) | Ball → Ball | Confirmed | |
| 2026-07-30 | ▲ 9 | As Pitcher | Batter: Pete Crow-Armstrong(CHC) | Strike → Ball | Overturned | |
| 2026-07-20 | ▼ 9 | As Pitcher | Batter: Jo Adell(LAA) | Strike → Ball | Overturned | |
| 2026-07-20 | ▼ 9 | As Pitcher | Batter: Nolan Schanuel(STL) | Ball → Ball | Confirmed | |
| 2026-07-11 | ▲ 9 | As Pitcher | Batter: Joey Bart(ATL) | Strike → Strike | Confirmed | |
| 2026-07-10 | ▲ 9 | As Pitcher | Batter: Mauricio Dubón(STL) | Ball → Ball | Confirmed |
1–15 of 28