RileyO'Brien
- St. Louis Cardinals
- #61
- Relief Pitcher
- HT/WT1.93 m, 81 kg
- Birthdate6/2/1995 (31)
- BAT/THRRight/Right
- BirthplaceSeattle, WA
- StatusActive
Batter vs Pitching Stats
Riley O'Brien vs
Milwaukee Brewers career statistics vs. Riley O'Brien
| Pitcher | AB | H | 2B | 3B | HR | RBI | BB | K | AVG | OBP | SLG | OPS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jackson Chourio | 4 | 2 | 0 | 0 | 1 | 5 | 0 | 0 | .500 | .500 | 1.250 | 1.750 |
| William Contreras | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | .000 | .333 | .000 | .333 |
| Sal Frelick | 5 | 2 | 2 | 0 | 0 | 1 | 0 | 2 | .400 | .400 | .800 | 1.200 |
| Luis Lara | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 |
| Garrett Mitchell | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | .000 | .000 | .000 | .000 |
| Joey Ortiz | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | .000 | .500 | .000 | .500 |
| Cooper Pratt | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | 1.000 | 1.000 | 2.000 |
| Brice Turang | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 |
| Andrew Vaughn | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | .000 | .500 | .000 | .500 |
| Totals | 19 | 5 | 2 | 0 | 1 | 6 | 3 | 3 | .263 | .364 | .526 | .890 |