Current active MLB roster profile synchronized from the MLB Stats API.
P
MLB player profile
Riley O’Brien
Current clubSt. Louis Cardinals
Season spotlightERA
4.082026
- Uniform
- 61
- Bats
- Right
- Throws
- Right
Player profile
- Club
- St. Louis Cardinals
- Role
- P
- Jersey
- 61
- Bats / throws
- Right / Right
- Born
- February 6, 1995
- Age
- 31
- Birthplace
- Seattle, WA, USA
- MLB debut
- September 28, 2021
- ERA
- 4.08
Current season line
2026
2026 Hitting
- G
- 66
- PA
- 0
- R
- 0
- H
- 0
- HR
- 0
- RBI
- 0
- AVG
- .000
- OBP
- .000
- SLG
- .000
- OPS
- .000
- SB
- 0
2026 Pitching
- G
- 66
- GS
- 0
- IP
- 64.0
- W
- 3
- L
- 9
- ERA
- 4.08
- WHIP
- 1.28
- SO
- 64
- SV
- 38
- HLD
- 1