Player profile·2026 MLB·Pitcher
Live stats·2026 · 62 GP

Riley O'Brien
Cardinals·RP·6' 4"·180 lbs·#61
Search · O'Brien · ER · Last 5
2 of 5 OVER 0.5 ER
40%0.8 ER/G
No line tonight
Search ResultO'Brien — ERLast 5
Riley O'Brien is averaging 0.8 earned runs over his last 5 games, hitting the over 0.5 in 2 of 5 (40%).
0.8ER/G
+0.3 L5 vs L20
Over 0.5
40%2/5
Cold trend
No line tonight
Drill down
| Date | OPP | IP | K0.5 | ER0.5 | HA0.5 | BBA0.5 | OUTS2.5 |
|---|---|---|---|---|---|---|---|
| Sep 12 | vs CHW | 1 | 2 | 2 | 1 | 1 | 3 |
| Sep 11 | vs CHW | 1 | 1 | 0 | 0 | 0 | 3 |
| Sep 7 | @ SF | 1 | 0 | 0 | 1 | 2 | 3 |
| Sep 4 | @ COL | 1 | 2 | 0 | 1 | 0 | 3 |
| Sep 3 | @ LAD | 0.1 | 0 | 2 | 2 | 1 | 1 |
| AVG | 1 | 0.8 | 1 | 0.8 | 2.6 |
Over 0.5 ER · Last 5 games
Props·vs SF
Tonight's lens·vs SF · home · night
Every row is filtered to tonight — tonight's arm, tonight's venue, tonight's slot. Green / red = better / worse than season ERA by 0.50+. Small samples are small samples.






















