Player Profile
Gleiner Diaz
SEA · Single-A · P · Age 23
Bats R · Throws RProspect Score56.6#959 Overall
Baseline55Most likely outcome
Performance59Solid current performance
Trend0.0Stable
Projected Outcome
Prospect Baseline model rangeFloor48Lower-end outcome
Baseline55Most likely outcome
Ceiling67High-end outcome
Why Prospect Baseline Sees Him This Way
Prospect Baseline surfaced this player because of meaningful developmental upside. Further development toward the ceiling would materially strengthen the profile.
Performance
Selected evidence59Solid current performance
Miss ability11.5 K/9Strong strikeout signal
Dominance25.6% K-BBStrong strikeout-to-walk foundation
Traffic prevention1.21 WHIPNear expected range
Scouting Profile
20–80 scaleIndividual scouting grades are not currently available for this player.
Model Detail
ConfidenceSolid57How much reliable information supports the evaluation.
RiskHigh12Uncertainty surrounding the projected outcome.
Age-to-LevelUnavailableN/AHow advanced the player is relative to the level.
Track RecordUnavailableN/AStability of the model record over time.
Data QualityUnavailableN/ACompleteness and reliability of available inputs.
Forecasts
StatusAvailable
2027 Projection51.7
Projected Range27–77
Arrival Probability9%
Productive Role Probability1%
Player Background
OrganizationSeattle Mariners
LevelSingle-A
PositionP
BatsR
ThrowsR
Development History
Model history
Median movement
First recorded 56
Latest recorded 55
2026-10-05 · Median 55
View recorded values
| Date | Median |
|---|---|
| 2026-10-05 | 55 |
| 2026-10-04 | 55 |
| 2026-10-03 | 55 |
| 2026-09-30 | 55 |
| 2026-09-29 | 55 |
| 2026-09-25 | 55 |
| 2026-09-24 | 55 |
| 2026-09-22 | 55 |
| 2026-09-21 | 55 |
| 2026-09-19 | 55 |
| 2026-09-18 | 55 |
| 2026-09-17 | 55 |
| 2026-09-16 | 55 |
| 2026-09-15 | 55 |
| 2026-09-14 | 54.6 |
| 2026-09-09 | 55 |
| 2026-09-06 | 56 |
| 2026-09-05 | 56 |
| 2026-09-03 | 56 |
| 2026-09-02 | 56 |