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MLB
Riley O'Brien

Riley O'Brien AI Picks, Projections & Props

RP · #61 · STL

6' 4" · 180 lbs · College of Idaho

4.08
ERA
1.28
WHIP
64
K
64.0
IP
Game log

Riley O'Brien Game Log

OpponentResultIPKERH
vs WSH1.0000
vs WSH1.0201
vs SF1.0012
vs SF1.0201
vs CHW1.0221
Splits

Home, Away & Matchup Splits

SplitERAWHIPKIP
Last 15.401.6005.0
Home3.571.223135.3
Away5.021.493426.9
vs Elite3.101.032017.4
vs Avg7.221.511721.2
vs Weak2.391.422722.6
Profile

About Riley O'Brien

Riley O'Brien is a relief pitcher for the St. Louis Cardinals in the MLB, wearing #61. Riley O'Brien is listed at 6' 4", 180 lbs.

Riley O'Brien ranks #52 on Stat Sniper's top 100 MLB players list for the 2026 season (294.0 fantasy points), #51 among pitchers. Among MLB stat leaders, O'Brien is #4 in saves (38).

Through 66 games of the 2026 MLB season, O'Brien has 3 wins, 9 losses, 4.08 ERA and 64.0 innings pitched.

For Riley O'Brien AI sports predictions and props, Chad, Stat Sniper's AI sports betting assistant, publishes MLB picks and player props on the daily picks page.

Season

Riley O'Brien 2026 Season Stats

Pitching

66
G
0
GS
3
W
9
L
4.08
ERA
64.0
IP
64
K
29
BB
1.28
WHIP
38
SV
9.0
K/9
Team

St. Louis Cardinals Roster

St. Louis Cardinals schedule, stats & roster →
Nolan GormanNolan Gorman3B · #160.000AVGJordan WalkerJordan WalkerRF · #180.000AVGIvan HerreraIvan HerreraDH · #480.000AVGLuis GastelumLuis GastelumRP · #720.000AVGJoshua BaezJoshua BaezLF · #220.000AVGTekoah RobyTekoah RobySP · #380.000AVGPedro PagesPedro PagesC · #430.000AVGCade WinquestCade WinquestRP · #630.000AVGAlec BurlesonAlec Burleson1B · #410.000AVGBruce ZimmermannBruce ZimmermannRP · #540.000AVGEverson PereiraEverson PereiraRF · #210.000AVGFacundo VelásquezCF · #840.000AVG
Leaders

Top MLB Players

#48 Keider MonteroSP · DET298.0FPTS#49 Joe RyanSP · MIN297.0FPTS#50 Ian SeymourSP · TB296.0FPTS#51 Foster GriffinSP · CLE295.0FPTS#53 Mason MontgomeryRP · PIT290.0FPTS#54 Peter LambertSP · HOU290.0FPTS#55 Tanner ScottRP · LAD287.0FPTS#56 Will WarrenSP · NYY287.0FPTS
Top 100 MLB players →MLB saves leaders →MLB player props →MLB picks today →
FAQ

Riley O'Brien FAQ

What team does Riley O'Brien play for?

Riley O'Brien plays for the St. Louis Cardinals in the MLB as a relief pitcher, wearing #61.

What are Riley O'Brien's stats this season?

In the 2026 season, across 66 games, Riley O'Brien has 3 wins, 9 losses, 4.08 ERA, 64.0 innings pitched and 64 strikeouts.

Where can I find AI sports predictions for Riley O'Brien?

Chad, Stat Sniper's AI sports betting assistant, makes MLB AI sports predictions, including player props, and publishes them on Stat Sniper's daily picks page. This page collects the stats behind them: Riley O'Brien's season numbers, recent game log and next matchup.

Is Riley O'Brien injured?

Riley O'Brien has no injury designation on the current report.

Where does Riley O'Brien rank among MLB players?

Riley O'Brien ranks #52 on Stat Sniper's top 100 MLB players list for the 2026 season (294.0 fantasy points), #51 among pitchers. In the MLB stat leaders, O'Brien is #4 in saves (38). The top 100 list ranks every player by fantasy points: hitters earn 1 point per run, total base, RBI, walk and stolen base and lose 1 per strikeout; pitchers earn 3 per inning, 1 per strikeout, 2 per win and 5 per save, and lose 1 per hit or walk allowed, 2 per earned run and 2 per loss.

How does Riley O'Brien play at home compared with on the road?

At home (36 games): 3.57 ERA, 1.22 WHIP and 31 K. On the road (31 games): 5.02 ERA, 1.49 WHIP and 34 K.

How does Riley O'Brien perform against top-tier opponents?

Against elite opponents (19 games): 3.10 ERA, 1.03 WHIP and 20 K. Against weak opponents (25 games): 2.39 ERA, 1.42 WHIP and 27 K.