RO
SP

Riley O'Brien

STL active

Riley O'Brien is a SP for the STL (MLB). Currently active. Riley is a starting pitcher tracked by PlayCaller for fantasy baseball streaming and roster decisions.

Frequently Asked Questions

Is Riley O'Brien playing this week?
As of July 13, 2026, no injury designation has been reported for Riley O'Brien. He is expected to be available this week.
Should I start Riley O'Brien in fantasy baseball this week?
Start/sit decisions for Riley O'Brien depend on current injury status, matchup, and recent usage. See PlayCaller's live analysis above for the most current recommendation.
What is Riley O'Brien's injury status?
As of July 13, 2026, no injury designation has been reported for Riley O'Brien. He is listed as active.
How has Riley O'Brien been performing recently?
Recent stat lines for Riley O'Brien update as games complete during the active season. Check the stats section above for the latest data.
Recent Performance

  Stats update during the season. Get AI-powered recommendations below.

Riley O'Brien takes the ball for the Cardinals as a starting pitcher. Without recent performance data available, his current role and trajectory remain unclear—check the latest box scores and team updates for where he stands in the rotation. Keep an eye on how the Cardinals deploy him as the season develops.

See Also
Alec Burleson
1B
Alec Burleson
1B · STL
AP
SP
Andre Pallante
SP · STL
BJ
3B
Blaze Jordan
3B · STL
BT
OF
Bryan Torres
OF · STL
Dustin May
SP
Dustin May
SP · STL
GS
SP
George Soriano
SP · STL
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