Odds, predictions, standings, and expert analysis for every MLB game
Justin Slaten
Throws R · 2026 player profile
Quality of contact allowed
10-game rolling xwOBA
2026-03-26 — 2026-08-12 · 36 recorded dates. Lower xwOBA means less expected production allowed.
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Our picks on Slaten
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Pick record checked Oct 13, 2026 ET. Local preview uses saved data.
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Original reasoning and recorded results.
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Inside the repertoire
What he throws, how it moves, and when he uses it.
The arsenal
| Pitch | Usage | Velo | Whiff% | xwOBA | EV | HMov | VMov | Spin |
|---|---|---|---|---|---|---|---|---|
| CutterFC | 41% | 93.6 | 18.4% | 0.368 | 88.0 | 4.1 | 9.1 | 2521 |
| 4-Seam FastballFF | 26% | 96.6 | 20.5% | 0.263 | 91.0 | -1.7 | 17.0 | 2463 |
| SweeperSW | 17% | 86.0 | 43.9% | 0.158 | 84.7 | 14.0 | 2.0 | 2631 |
| SinkerSI | 12% | 97.3 | 28.1% | 0.249 | 80.5 | -11.4 | 15.0 | 2380 |
| CurveballCU | 4% | 84.9 | 44.4% | 0.024 | 71.7 | 6.2 | -11.9 | 2703 |
Contact allowed by location
Heatmap · exit velocity in mph · catcher’s view. Choose a pitch type above to filter measured contact.
Data detail
Season & career
Updated 2026-10-13. Seasons are split by team. Innings use baseball notation: .1 is one out, .2 is two outs.
| Season / team | G | GS | IP | K | BB | ERA | WHIP |
|---|---|---|---|---|---|---|---|
| 2026 · Boston Red Sox | 36 | 0 | 31.1 | 39 | 8 | 4.60 | 1.37 |
| 2025 · Boston Red Sox | 36 | 0 | 34.0 | 25 | 10 | 4.24 | 1.09 |
| 2024 · Boston Red Sox | 44 | 0 | 55.1 | 58 | 9 | 2.93 | 1.01 |
| Career | 116 | 0 | 120.2 | 122 | 27 | 3.73 | 1.13 |
Recorded game dates 36 dates
Existing chart-builder observations, grouped by date. Not an official box-score game log; missing values stay blank.
| Date | PA* | xwOBA | BA | EV (mph) | Barrel fraction |
|---|---|---|---|---|---|
| 2026-08-12 | 4 | 0.356 | 0.000 | 68.8 | 0.000 |
| 2026-08-08 | 4 | 0.331 | 0.333 | 88.2 | 0.000 |
| 2026-08-06 | 5 | 0.282 | 0.500 | 88.8 | 0.000 |
| 2026-08-02 | 1 | 0.526 | 0.000 | 98.1 | 0.000 |
| 2026-08-01 | 3 | 0.134 | 0.000 | 90.7 | 0.000 |
| 2026-07-29 | 5 | 0.092 | 0.200 | 88.6 | 0.000 |
| 2026-07-27 | 2 | 0.109 | 0.000 | 81.1 | 0.000 |
| 2026-07-26 | 3 | 0.076 | 0.000 | 74.3 | 0.000 |
| 2026-07-22 | 5 | 0.332 | 0.200 | 97.9 | 0.000 |
| 2026-07-17 | 3 | 0.189 | 0.000 | 79.4 | 0.000 |
*PA is the count of appearances with a positive wOBA denominator.
How to read these numbers
Sample: 137 pa
Compared with 2026 pitchers with a recorded value and at least 50 batters faced.
Sample: 90 bip
Compared with 2026 pitchers with a recorded value and at least 30 batted balls.
Sample: 86 bip
Compared with 2026 pitchers with a recorded value and at least 30 batted balls.
Sample: 86 bip
Compared with 2026 pitchers with a recorded value and at least 50 batters faced.
