Player profile
Hayden Yost
Seattle Mariners · Age at assessment: 21.6 · Bats: L · Throws: L
Projection updated: October 4, 2026
Assessment notes
Rank is ordered by Prospect Score, the model's 1-100 composite score. Median outcome is only one input; performance, track record, age-to-level context, high outcome, confidence, and risk also affect rank.
PB Rank#648
Prospect Score60.5
Median56
Performance Signal+13.7
Trend0.0
Projection components
Prospect Baseline modelModel Range0.0
495667
LowMedianHigh
206099
Performance Signal +13.7
Model history
Median movement
First recorded 52
Latest recorded 56
2026-10-04 · Median 56
View recorded values
| Date | Median |
|---|---|
| 2026-10-04 | 56 |
| 2026-10-03 | 56 |
| 2026-09-30 | 56 |
| 2026-09-29 | 56 |
| 2026-09-25 | 57 |
| 2026-09-24 | 57 |
| 2026-09-22 | 57 |
| 2026-09-21 | 57 |
| 2026-09-19 | 57 |
| 2026-09-18 | 57 |
| 2026-09-17 | 57 |
| 2026-09-16 | 57 |
| 2026-09-15 | 57 |
| 2026-09-14 | 56.8 |
| 2026-09-09 | 57 |
| 2026-09-06 | 57 |
| 2026-09-05 | 57 |
| 2026-09-03 | 55 |
| 2026-09-02 | 54 |
| 2026-09-01 | 54 |
| 2026-08-28 | 53 |
| 2026-08-27 | 53 |
| 2026-08-25 | 50.6 |
| 2026-08-23 | 50.6 |
| 2026-08-22 | 52 |
| 2026-08-20 | 52 |
Metrics to follow
Projection trajectory
Stable
Definition
Direction of change in Prospect Baseline's derived projection.
Model confidence
51
Definition
Prospect Baseline confidence in the current projection.
Projection risk
0
Definition
Prospect Baseline uncertainty and downside-risk index.