Justin Slaten - Bullpen Role & Save Probability
Justin Slaten is currently in a setup role for the Boston Red Sox bullpen and remains relevant for save chances.
Last updated:
Player Type
Relief Pitcher · Boston Red Sox
Bullpen Role
Setup
Usage Matrices
Sample: 2026-05-06 to 2026-06-04 (PT) · Total appearances: 7
Usage Matrix (%)
| Outs Remaining | <=-3 | -2 | -1 | tie | +1 | +2 | +3 | >=4 | Total |
|---|---|---|---|---|---|---|---|---|---|
| 10+ | - | - | - | 14.3% | - | - | - | - | 14.3% |
| 7–9 | 14.3% | - | - | - | 28.6%1 3 | 28.6% | 14.3%2 | - | 85.7% |
| 5–6 | - | - | - | - | - | - | - | - | - |
| 4 | - | - | - | - | - | - | - | - | - |
| <=3 | - | - | - | - | - | - | - | - | - |
| Total | 14.3% | - | - | 14.3% | 28.6% | 28.6% | 14.3% | - | 100.0% |
Notes
¹ most recent appearance
² second most recent appearance
³ third most recent appearance
Usage Matrix (Apps)
| Outs Remaining | <=-3 | -2 | -1 | tie | +1 | +2 | +3 | >=4 | Total |
|---|---|---|---|---|---|---|---|---|---|
| 10+ | - | - | - | 1 | - | - | - | - | 1 |
| 7–9 | 1 | - | - | - | 21 3 | 2 | 12 | - | 6 |
| 5–6 | - | - | - | - | - | - | - | - | - |
| 4 | - | - | - | - | - | - | - | - | - |
| <=3 | - | - | - | - | - | - | - | - | - |
| Total | 1 | - | - | 1 | 2 | 2 | 1 | - | 7 |
Notes
¹ most recent appearance
² second most recent appearance
³ third most recent appearance
Save Probability Trend
| Date (PT) | Save Probability | Model Role (Historical) |
|---|---|---|
| 2026-06-05 | 2% | Setup |
| 2026-06-04 | 2% | Setup |
| 2026-06-03 | 3% | Setup |
| 2026-06-02 | 3% | Setup |
| 2026-05-31 | 2% | Setup |
| 2026-05-30 | 2% | Setup |
| 2026-05-29 | 2% | Setup |
Team Bullpen Context
| Pitcher | Role | Save Probability |
|---|---|---|
| Aroldis Chapman | Closer | 25% |
| Justin Slaten | Setup | 2% |
| Jovani Morán | Setup | 1% |
Team page: Boston Red Sox Bullpen Hierarchy