Player Profile
Jonathon Long
MIA · AAA · 1B · Age 25
Bats R · Throws RProspect Score65.9#342 Overall
Baseline60Most likely outcome
Performance56Solid current performance
Trend0.0Stable
Projected Outcome
Prospect Baseline model rangeFloor56Lower-end outcome
Baseline60Most likely outcome
Ceiling64High-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 evidence56Solid current performance
Offensive impact.816 OPSBalanced offensive output
Contact21.6% KNear expected range
Approach12.5% BBStrong on-base approach
Scouting Profile
20–80 scaleSource: MLB Pipeline · Updated 2026-09-21
Model Detail
ConfidenceHigh93How 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 Projection44.6
Projected Range27–62
Arrival Probability78%
Productive Role Probability21%
Player Background
OrganizationMiami Marlins
LevelAAA
Position1B
BatsR
ThrowsR
Development History
Model history
Median movement
First recorded 58
Latest recorded 60
2026-10-05 · Median 60
View recorded values
| Date | Median |
|---|---|
| 2026-10-05 | 60 |
| 2026-10-04 | 60 |
| 2026-10-03 | 60 |
| 2026-09-30 | 60 |
| 2026-09-29 | 60 |
| 2026-09-25 | 60 |
| 2026-09-24 | 59 |
| 2026-09-22 | 59 |
| 2026-09-21 | 59 |
| 2026-09-19 | 59 |
| 2026-09-18 | 59 |
| 2026-09-17 | 59 |
| 2026-09-16 | 59 |
| 2026-09-15 | 59 |
| 2026-09-14 | 59.7 |
| 2026-09-09 | 60 |
| 2026-09-06 | 58 |
| 2026-09-05 | 58 |
| 2026-09-03 | 58 |
| 2026-09-02 | 58 |