Riley O'Brien
STL · RP
What the data shows for Riley O'Brien
Riley O'Brien (STL, RP) is an MLB player tracked by WaiverScout's daily pipeline, with data current to 2026-08-27. Riley O'Brien has no active waiver-wire signal as of 2026-08-27. They rank 103 of 190 in their category pool. Yahoo ownership is 79%. Recent-window sample: 6 IP — an early sample.
- Team
- STL
- Position
- RP
- Waiver-wire signal
- None active
- Category rank
- 103 of 190
- Yahoo ownership
- 79%
- Sample size
- 6 IP — an early sample
- Data current to
- 2026-08-27
Current waiver-wire signal
Riley O'Brien has no active waiver-wire signal as of 2026-08-27.
Rolling stats
| Window | Stats |
|---|---|
| 7d | days_count 3 · k 1 · w 0 · ip 2.7 · qs 0 · sv 1 · insufficient false · era 23.33 · whip 3.33 · games 3 |
| 14d | days_count 7 · k 5 · w 0 · ip 6 · qs 0 · sv 4 · insufficient false · era 10.5 · whip 2 · games 7 |
| 30d | days_count 14 · k 10 · w 0 · ip 13 · qs 0 · sv 8 · insufficient false · era 4.85 · whip 1.23 · games 14 |