About Riley O'Brien
Riley O'Brien is a relief pitcher for the St. Louis Cardinals. He was born on February 6, 1995. Riley O'Brien was on the active Cardinals roster when we last synced rosters.
2026 regular season (MLB Stats API)
Official totals from the MLB Stats API.
Riley O'Brien alerts you can turn on
- Pitching lineA summary of Riley O'Brien's outing, or an update after every batter faced if you choose.
- DecisionsWin, loss, save and hold alerts.
- Strikeout gameAn alert when a start reaches a big strikeout total.
- Pitcher scratchedAn alert if Riley O'Brien is scratched from a scheduled start.
- Enters and exits the gameKnow when he comes in and when he leaves.
- Lineup, injuries and call-upsKnow when Riley O'Brien is not in the lineup, goes on the IL, or comes back from it.
More Cardinals players to follow
Riley O'Brien FAQ
How do I get Riley O'Brien alerts?
Download Sports Alerts, search for Riley O'Brien, and tap Follow. You then choose which alerts to receive. Pitching line, decisions and scratch alerts are on by default.
Will Sports Alerts tell me when Riley O'Brien is in the lineup?
Yes. The Lineup posted alert is on by default for followed players. You can also turn on a Not in lineup alert.
Does Sports Alerts send Riley O'Brien injury news?
Yes. Injury and IL alerts are on by default for any player you follow.
Can I get Riley O'Brien alerts through my fantasy team?
Yes. Sports Alerts Pro syncs Yahoo, ESPN, CBS Sports and Underdog fantasy rosters, so Riley O'Brien is followed for you when he is on your team. Sports Alerts is free to install. Fantasy roster auto-sync is $0.99 per month, with a free first month.
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Sports Alerts is free to install. Fantasy roster auto-sync is $0.99 per month, with a free first month.
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