Player Profile
Juan Sierra
HOU · Single-A · LF · Age 21
Bats R · Throws RProspect Score49.7#1,725 Overall
Baseline46Most likely outcome
Performance40Developing performance profile
Trend0.0Stable
Projected Outcome
Prospect Baseline model rangeFloor39Lower-end outcome
Baseline46Most likely outcome
Ceiling53High-end outcome
Why Prospect Baseline Sees Him This Way
Prospect Baseline surfaced this player because of a balanced combination of projection, performance, and developmental context. Continued progress would reinforce the current baseline and ceiling.
Performance
Selected evidence40Developing performance profile
Power.169 ISONear expected range
Contact26.3% KNear expected range
On-base foundation.302 OBPNear expected range
Scouting Profile
20–80 scaleIndividual scouting grades are not currently available for this player.
Model Detail
ConfidenceSolid59How much reliable information supports the evaluation.
RiskHigh0Uncertainty 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 Projection33.8
Projected Range16–52
Arrival Probability9%
Productive Role Probability1%
Player Background
OrganizationHouston Astros
LevelSingle-A
PositionLF
BatsR
ThrowsR
Development History
Model history
Median movement
First recorded 41
Latest recorded 46
2026-10-05 · Median 46
View recorded values
| Date | Median |
|---|---|
| 2026-10-05 | 46 |
| 2026-10-04 | 46 |
| 2026-10-03 | 46 |
| 2026-09-30 | 46 |
| 2026-09-29 | 46 |
| 2026-09-25 | 46 |
| 2026-09-24 | 46 |
| 2026-09-22 | 46 |
| 2026-09-21 | 46 |
| 2026-09-19 | 46 |
| 2026-09-18 | 46 |
| 2026-09-17 | 46 |
| 2026-09-16 | 46 |
| 2026-09-15 | 46 |
| 2026-09-14 | 45.9 |
| 2026-09-09 | 46 |
| 2026-09-06 | 41 |
| 2026-09-05 | 41 |
| 2026-09-03 | 41 |
| 2026-09-02 | 41 |