Riley O'Brien
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Check back closer to game time, or see Recent Form for latest performance.
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Career Stats
2026 Season
Recent Game Log
| Date | Opp | H/A | IP | ER | K | BB | HR | PC | W/L/S |
|---|---|---|---|---|---|---|---|---|---|
| 2026-09-20 | Washington Nationals | H | 1.0 | 0 | 0 | 0 | 0 | 6 | S |
| 2026-09-19 | Washington Nationals | H | 1.0 | 0 | 2 | 0 | 0 | 12 | — |
| 2026-09-16 | San Francisco Giants | H | 1.0 | 1 | 0 | 1 | 1 | 16 | L |
| 2026-09-14 | San Francisco Giants | H | 1.0 | 0 | 2 | 1 | 0 | 19 | S |
| 2026-09-12 | Chicago White Sox | H | 1.0 | 2 | 2 | 1 | 1 | 21 | L |
| 2026-09-11 | Chicago White Sox | H | 1.0 | 0 | 1 | 0 | 0 | 11 | — |
| 2026-09-07 | San Francisco Giants | A | 1.0 | 0 | 0 | 2 | 0 | 11 | — |
| 2026-09-04 | Colorado Rockies | A | 1.0 | 0 | 2 | 0 | 0 | 12 | S |
| 2026-09-03 | Los Angeles Dodgers | A | 0.1 | 2 | 0 | 1 | 0 | 17 | L |
| 2026-09-02 | Los Angeles Dodgers | A | 1.0 | 0 | 1 | 0 | 0 | 17 | S |
Recent Form
| Window | G | IP | ER | K | BB | W | L | SV | ERA | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|
| Last 5G | 5 | 5.0 | 3 | 6 | 3 | — | 2 | 2 | 5.40 | 1.600 |
| Last 10G | 10 | 9.1 | 5 | 10 | 6 | — | 3 | 4 | 4.82 | 1.607 |
Starter / Reliever Splits
| Role | G | IP | ER | H | HR | K | BB | ERA | WHIP | K/9 | BB/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Reliever | 65 | 62.7 | 29 | 53 | 5 | 62 | 28 | 4.16 | 1.293 | 8.90 | 4.02 |
Home / Away Splits
| Split | G | IP | ER | H | HR | K | BB | ERA | WHIP | K/9 | BB/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Home | 36 | 36.0 | 14 | 31 | 2 | 31 | 12 | 3.50 | 1.194 | 7.75 | 3.00 |
| Away | 29 | 26.7 | 15 | 22 | 3 | 31 | 16 | 5.06 | 1.425 | 10.46 | 5.40 |
Pitch Count Breakdown
| Range | G | IP | ER | K | BB | ERA | WHIP |
|---|---|---|---|---|---|---|---|
| 1–40 Pitches | 65 | 62.7 | 29 | 62 | 28 | 4.16 | 1.293 |
Innings Pitched Breakdown
| Range | G | IP | ER | K | BB | ERA | WHIP |
|---|---|---|---|---|---|---|---|
| < 1.0 IP | 6 | 3.0 | 10 | 2 | 5 | 30.00 | 5.000 |
| 1.0–2.2 IP | 59 | 59.7 | 19 | 60 | 23 | 2.87 | 1.106 |
Today's Pitch-Family Matchup
PardonMe Stat Review
How does Riley O'Brien compare to other MLB pitchers?
Benchmark: mlb_pitchers_2026_min40ip · 40 IP minimum · 388 qualifying players
Pitcher Profile 2026
Top pitches by usage
Pitch Arsenal 2026
| Pitch | Family | Usage | Velo | Spin | Horz Move | Vert Move | Ext | Rel X | Rel Z | Strike% | Whiff% | CSW% | Lg Whiff | W.Rank | Grade | Sample |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SI | Fastball | 57.6% | 97.7 | 2,199 | -9.8" | +3.0" | 6.8ft | -1.42 | 5.60 | 48.6% | 20.9% | 29.9% | 17.3% | #266 | — | OK |
| ST | Slider/Sweeper | 31.8% | 82.8 | 2,316 | +7.7" | -2.3" | 6.7ft | -1.75 | 5.36 | 40.7% | 48.2% | 28.8% | 34.0% | #72 | — | OK |
| SL | Slider/Sweeper | 9.6% | 90.3 | 2,439 | +0.8" | +2.4" | 6.8ft | -1.74 | 5.41 | 40.9% | 25.0% | 23.6% | 35.1% | #729 | — | OK |
| CH | Changeup | 1.1% | 91.1 | 1,901 | -9.4" | +3.0" | 6.8ft | -1.47 | 5.40 | 41.7% | 66.7% | 33.3% | 33.4% | #66 | — | Small |
Velo = avg release speed (mph). Move in inches, induced (gravity-removed).
Pitch Results Allowed (by Family) 2026
| Pitch Family | PA | AVG | OBP | SLG | OPS | K% | BB% | HR | Hard% | Brl% | OPS Rank | Sample | Read |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fastball | 180 | .282 | .367 | .385 | 0.752 | 16.7% | 10.0% | 3 | 41.4% | 5.5% | #684 | OK | — |
| Slider/Sweeper | 112 | .152 | .288 | .250 | 0.538 | 33.0% | 8.9% | 2 | 46.3% | 9.3% | #492 | OK | — |
| Other/UnknownSmall | 6 | .667 | .667 | .116 | 1.834 | 33.3% | 0.0% | 1 | — | — | #88 | Small | — |
| ChangeupSmall | 3 | .000 | .500 | .000 | 0.500 | 33.3% | 33.3% | 0 | — | — | #330 | Small | — |
OPS Rank = lower OPS allowed is better. Rank 1 = best among all pitchers using that family this season.
Pitcher Summary 2026
Top pitches by usage
Pitch mix
Total pitches this season: 1,145 · Reliable
MLB The Show Card Reference
| Pitch | Spd | Ctrl | Brk |
|---|---|---|---|
| stuff_rating | — | — | — |
| pitches | — | — | — |