Pitcher · #61
Riley O'Brien
- Bats/Throws
- R/R
- Height
- 6' 4"
- Weight
- 180 lb
- Born
- 1995-02-06
- Birthplace
- Seattle, WA, USA
- MLB debut
- 2021-09-28
Pitching
| Club | G | IP | H | R | ER | BB | K | BF | ERA |
|---|---|---|---|---|---|---|---|---|---|
| MLB St. Louis Cardinals | 66 | 64.0 | 53 | 35 | 29 | 29 | 64 | 276 | 4.08 |
Pitching
| Club | G | IP | H | R | ER | BB | K | BF | ERA |
|---|---|---|---|---|---|---|---|---|---|
| MLB St. Louis Cardinals | 3 | 3.1 | 3 | 0 | 0 | 0 | 2 | 12 | 0.00 |
Pitching
| Club | G | IP | H | R | ER | BB | K | BF | ERA |
|---|---|---|---|---|---|---|---|---|---|
| MLB St. Louis Cardinals | 12 | 12.0 | 8 | 3 | 2 | 1 | 15 | 46 | 1.50 |
Pitching
| Club | G | IP | H | R | ER | BB | K | BF | ERA |
|---|---|---|---|---|---|---|---|---|---|
| MLB St. Louis Cardinals | 10 | 10.0 | 10 | 8 | 7 | 3 | 10 | 44 | 6.30 |
Pitching
| Club | G | IP | H | R | ER | BB | K | BF | ERA |
|---|---|---|---|---|---|---|---|---|---|
| MLB St. Louis Cardinals | 10 | 10.0 | 9 | 6 | 6 | 7 | 7 | 48 | 5.40 |
Pitching
| Club | G | IP | H | R | ER | BB | K | BF | ERA |
|---|---|---|---|---|---|---|---|---|---|
| MLB St. Louis Cardinals | 9 | 8.1 | 4 | 2 | 2 | 7 | 12 | 38 | 2.16 |
Pitching
| Club | G | IP | H | R | ER | BB | K | BF | ERA |
|---|---|---|---|---|---|---|---|---|---|
| MLB St. Louis Cardinals | 12 | 11.0 | 10 | 7 | 7 | 5 | 8 | 47 | 5.73 |
Pitching
| Club | G | IP | H | R | ER | BB | K | BF | ERA |
|---|---|---|---|---|---|---|---|---|---|
| MLB St. Louis Cardinals | 10 | 9.1 | 9 | 9 | 5 | 6 | 10 | 41 | 4.82 |
Pitching
| Club | G | IP | H | R | ER | BB | K | BF | ERA |
|---|---|---|---|---|---|---|---|---|---|
| MLB St. Louis Cardinals | 5 | 4.2 | 4 | 1 | 1 | 5 | 5 | 20 | 1.93 |