RILEY
O'BRIEN
#55 -
P
Status
On roster
Ht/Wt
6’4’’,
180 lbs
Bats/Throws
R /
R
Experience
2
years
(Rookie)
Debut
Sep 28, 2021
Born
Feb 6, 1995
(30 yrs)
Shoreline, Washington
Drafted
Drafted by Tampa Bay in 2017 (8/229).
Drafted from
Col of Idaho
Acquired
Acquired in a trade with Seattle in 2023.
VS.
Riley O'Brien
STAT RANK
Season Stats
| Pitcher | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| W Wins
|
L Losses
|
ERA Earned Run Average
|
G Games
|
GS Games Started
|
CG Complete Games
|
SHO Shutouts
|
SV Saves
|
HLD Holds
|
IP Innings Pitched
|
H Hits Allowed
|
R Runs Allowed
|
ER Earned Runs
|
HR Home Runs Allowed
|
BB Walks
|
SO Strikeouts
|
WHIP Walks and Hits Per Inning Pitched
|
|
| YTD | 0 | 0 | 1.67 | 22 | 0 | 0 | 0 | 0 | 3 | 27 | 20 | 6 | 5 | 2 | 13 | 29 | 1.22 |
Game Log
| Pitcher | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Date | Team | Opp |
GS
Games Started
|
Dec |
CG
Complete Games
|
SHO
Shutouts
|
IP
Innings Pitched
|
H
stats.by_season.headers.baseball.pitching.regular-season.tooltipss.h
|
R
stats.by_season.headers.baseball.pitching.regular-season.tooltipss.r
|
ER
Earned Runs
|
HR
Home Runs Allowed
|
BB
Walks
|
K | YTD W | YTD L | YTD SV | YTD ERA | YTD WHIP | Status |
| 2025-07-30 |
|
|
0 | - | 0 | 0 | 1.1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1.67 | 1.22 | - |
| 2025-07-29 |
|
|
- | - | - | - | - | - | - | - | - | - | - | 0 | 0 | 0 | 1.75 | - | DNP |
| 2025-07-28 |
|
|
- | - | - | - | - | - | - | - | - | - | - | 0 | 0 | 0 | 1.75 | - | DNP |
| 2025-07-27 |
|
|
- | - | - | - | - | - | - | - | - | - | - | 0 | 0 | 0 | 1.75 | - | DNP |
| 2025-07-26 |
|
|
0 | - | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1.75 | 1.29 | - |
Transactions & Injuries
| Date | Description |
|---|---|
| 2025-06-09 |
Recalled from Memphis (AAA).
|
| 2025-06-06 |
Optioned to Memphis (AAA).
|
| 2025-06-05 |
Recalled from Memphis (AAA).
|
| 2025-05-02 |
Optioned to Memphis (AAA).
|
| 2025-04-25 |
Recalled from Memphis (AAA).
|
News
View More >
Rotowire
Mon, Jul 14, 2025 at 9:52 AM
O'Brien has permitted just one run and boasts a 20:8 K:BB over 16 innings covering his last 12 appearances.
Rotowire
Mon, Jun 09, 2025 at 3:04 PM
The Cardinals recalled O'Brien from Triple-A Memphis on Monday.
