2024 Stats
W-L
0-0
ERA
11.25
WHIP
2.63
K
11
SV
0
2025 Projections
Recalled from Triple-A
The Cardinals recalled O'Brien from Triple-A Memphis on Tuesday, Katie Woo of The Athletic reports.
ANALYSIS
O'Brien made the Cardinals' Opening Day roster but suffered a flexor strain in his first appearance and missed the remainder of the first half. He has pitched well since resurfacing at Memphis, posting a 1.35 ERA and 9:5 K:BB over 13.1 innings, to earn another look with the big club.
O'Brien made the Cardinals' Opening Day roster but suffered a flexor strain in his first appearance and missed the remainder of the first half. He has pitched well since resurfacing at Memphis, posting a 1.35 ERA and 9:5 K:BB over 13.1 innings, to earn another look with the big club.
Pitching Stats
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2024
2022
2021
Minor League Game Log
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Pitching Appearances Breakdown
Average Pitch Count
24
Last 10 Games
24
Last 5 Games
26
How many pitches does Riley O'Brien generally throw?
1-10
11-20
21-30
31-40
41-50
51-60
61-70
71-80
81-90
91-100
101-110
111-120
121+
What part of the game does Riley O'Brien generally pitch?
1st
2nd
3rd
4th
5th
6th
7th
8th
9th
Extra
% Games Reaching Innings Threshold
% Games By Number of Innings Pitched
Left/Right Pitching Splits
Since 2022
-9%
BAA vs LHP
2024
-17%
BAA vs RHP
| BAA | K | BB | H | HR | ||||
|---|---|---|---|---|---|---|---|---|
| Since 2022vs Left | .333 | 5 | 4 | 6 | 1 | |||
| Since 2022vs Right | .364 | 7 | 5 | 8 | 1 | |||
| 2024vs Left | .400 | 4 | 4 | 6 | 1 | |||
| 2024vs Right | .333 | 7 | 4 | 7 | 1 | |||
| 2023vs Left | 0 | 0 | 0 | 0 | 0 | |||
| 2023vs Right | 0 | 0 | 0 | 0 | 0 | |||
| 2022vs Left | .000 | 1 | 0 | 0 | 0 | |||
| 2022vs Right | 1.000 | 0 | 1 | 1 | 0 | |||
| More Splits→ | View More Split Stats | |||||||
Home/Away Pitching Splits
Since 2022
-86%
ERA at Home
2024
-81%
ERA at Home
| ERA | WHIP | IP | K/9 | BB/9 | |||||
|---|---|---|---|---|---|---|---|---|---|
| Since 2022Home | 2.25 | 1.50 | 4.0 | 6.8 | 6.8 | ||||
| Since 2022Away | 16.20 | 3.40 | 5.0 | 16.2 | 10.8 | ||||
| 2024Home | 3.00 | 1.33 | 3.0 | 6.0 | 6.0 | ||||
| 2024Away | 16.20 | 3.40 | 5.0 | 16.2 | 10.8 | ||||
| 2023Home | 0 | 0 | 0 | 0 | 0 | ||||
| 2023Away | 0 | 0 | 0 | 0 | 0 | ||||
| 2022Home | 0.00 | 2.00 | 1.0 | 9.0 | 9.0 | ||||
| 2022Away | 0 | 0 | 0 | 0 | 0 | ||||
| More Splits→ | View More Split Stats | ||||||||
Stat Review
How does Riley O'Brien compare to other relievers?
This section compares his stats with all relief pitcher seasons from the previous three seasons (minimum 30 innings)*. The bar represents the player's percentile rank. For example, if the bar is halfway across, then the player falls into the 50th percentile for that stat and it would be considered average.
* Exit Velocity, Barrels/BBE %, Balls Hit 95+ MPH %, and Spin Rate are benchmarked against 2019 data (min 30 IP). See here for more exit velocity/barrels stats plus an explanation of current limitations with that data set.
* Exit Velocity, Barrels/BBE %, Balls Hit 95+ MPH %, and Spin Rate are benchmarked against 2019 data (min 30 IP). See here for more exit velocity/barrels stats plus an explanation of current limitations with that data set.
K/BB
1.38K/9
12.4BB/9
9.0HR/9
2.3Fastball
96.8 mphERA
11.25WHIP
2.63BABIP
.488GB/FB
1.00Left On Base
60.4%Exit Velocity
81.3 mphBarrels/BBE
3.8%Spin Rate
2251 rpmBalls Hit 95+ MPH
22.6%Swinging Strike
10.8%Advanced Pitching Stats
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Defensive Stats
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Stats Vs Today's Lineup
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More Fantasy News
Activated, sent to Triple-A
The Cardinals activated O'Brien (forearm) from the 60-day injured list Sunday and optioned him to Triple-A Memphis.
ANALYSIS
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Could be activated next week
O'Brien (forearm) could be activated from the 60-day injured list next week after making two more rehab appearances with Triple-A Memphis, John Denton of MLB.com reports.
ANALYSIS
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Starting rehab assignment
O'Brien (forearm) will begin a rehab assignment with Triple-A Memphis on Friday, John Denton of MLB.com reports.
ANALYSIS
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Could begin rehab assignment soon
O'Brien (forearm) is scheduled to throw live batting practice Saturday with Double-A Springfield and could start a rehab assignment next week if it goes well, John Denton of MLB.com reports.
ANALYSIS
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Set for another live session
Cardinals manager Oliver Marmol said that O'Brien (forearm) will throw a live batting practice session at Double-A Springfield on Wednesday, John Denton of MLB.com reports.
ANALYSIS
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Latest Fantasy Rumors
Eligible for promotion Monday
O'Brien will be eligible to be recalled by the Cardinals on Monday, and Jeff Jones of the Belleville News-Democrat speculates the right-hander could be called up from Triple-A Memphis at some point this week.
ANALYSIS
O'Brien could have joined the Cardinals over the past couple weeks if the corresponding move was an IL transaction, but he's stayed a Triple-A for the full 15 days. The 29-year-old has made just one appearance in the majors this season but has been dominant in 13 outings for Memphis with a 1.46 ERA, 0.99 WHIP and 9:5 K:BB over 12.1 innings.
O'Brien could have joined the Cardinals over the past couple weeks if the corresponding move was an IL transaction, but he's stayed a Triple-A for the full 15 days. The 29-year-old has made just one appearance in the majors this season but has been dominant in 13 outings for Memphis with a 1.46 ERA, 0.99 WHIP and 9:5 K:BB over 12.1 innings.