Prospect Baseline Prospect Baseline
Model Last Run Sep 24, 2026 · 8:41 AM ET

Included in the latest imported public model. All figures reflect the saved assessment dates.

Player profile

Juan Alva

MIA · FCL · IF

Miami Marlins · Age at assessment: 20.5 · Bats: L · Throws: R

Performance Signal Only
Compare
Assessment saved: · Stats updated:

Scouting comparison unavailable

Current performance can be evaluated, but a tool-to-results comparison requires verified scouting grades

Insufficient Evidence · 0%
PB Rank#1,664
Prospect Score50
Median50
Performance58
Trend0.0%

Tool vs observed results

Percentile scale

No tool-to-results comparison is available in this saved assessment. The recorded model range is shown below.

Model Range0.0%
405059
LowMedianHigh
206099
Performance 58

Model history

Median movement
First recorded 37 Latest recorded 50
55 44 33 2026-06-04 · Median 37 2026-06-05 · Median 37 2026-06-06 · Median 37 2026-06-07 · Median 37 2026-06-08 · Median 37 2026-06-09 · Median 37 2026-06-10 · Median 37 2026-06-11 · Median 41 2026-06-12 · Median 41 2026-06-13 · Median 41 2026-06-14 · Median 41 2026-06-15 · Median 41 2026-06-16 · Median 41 2026-06-17 · Median 41 2026-06-18 · Median 41 2026-06-19 · Median 41 2026-06-20 · Median 41 2026-06-21 · Median 41 2026-06-22 · Median 41 2026-06-23 · Median 41 2026-06-24 · Median 41 2026-06-25 · Median 41 2026-06-26 · Median 41 2026-06-28 · Median 41 2026-06-29 · Median 41 2026-06-30 · Median 41 2026-07-01 · Median 41 2026-07-03 · Median 43 2026-07-05 · Median 48 2026-07-07 · Median 48 2026-07-09 · Median 48 2026-07-11 · Median 48 2026-07-12 · Median 50 2026-07-14 · Median 50 2026-07-16 · Median 50 2026-07-21 · Median 51 2026-07-22 · Median 50 2026-07-23 · Median 51 2026-07-24 · Median 50 2026-07-25 · Median 50 2026-07-26 · Median 50 2026-07-27 · Median 50 2026-07-28 · Median 50 2026-07-29 · Median 50 2026-07-30 · Median 50 2026-07-31 · Median 50 2026-08-01 · Median 50 2026-08-03 · Median 50 2026-08-05 · Median 50 2026-08-07 · Median 50 2026-08-08 · Median 50 2026-08-09 · Median 50 2026-08-10 · Median 50 2026-08-11 · Median 50 2026-08-13 · Median 50 2026-08-14 · Median 50 2026-08-16 · Median 50 2026-08-17 · Median 50 2026-08-18 · Median 50 2026-08-19 · Median 50 2026-08-20 · Median 50 2026-08-22 · Median 50 2026-08-23 · Median 49.6 2026-08-25 · Median 49.6 2026-08-27 · Median 50 2026-08-28 · Median 50 2026-09-01 · Median 50 2026-09-02 · Median 50 2026-09-03 · Median 50 2026-09-05 · Median 50 2026-09-06 · Median 50 2026-09-09 · Median 50 2026-09-14 · Median 49.6 2026-09-15 · Median 50 2026-09-16 · Median 50 2026-09-17 · Median 50 2026-09-18 · Median 50 2026-09-19 · Median 50 2026-09-21 · Median 50 2026-09-22 · Median 50 2026-09-24 · Median 50 2026-06-04 2026-09-24

2026-09-24 · Median 50

Saved median assessments. Gaps indicate unavailable or non-comparable observations.
View recorded values
DateMedian
2026-09-2450
2026-09-2250
2026-09-2150
2026-09-1950
2026-09-1850
2026-09-1750
2026-09-1650
2026-09-1550
2026-09-1449.6
2026-09-0950
2026-09-0650
2026-09-0550
2026-09-0350
2026-09-0250
2026-09-0150
2026-08-2850
2026-08-2750
2026-08-2549.6
2026-08-2349.6
2026-08-2250
2026-08-2050
2026-08-1950
2026-08-1850
2026-08-1750
2026-08-1650
2026-08-1450
2026-08-1350
2026-08-1150
2026-08-1050
2026-08-0950
2026-08-0850
2026-08-0750
2026-08-0550
2026-08-0350
2026-08-0150
2026-07-3150
2026-07-3050
2026-07-2950
2026-07-2850
2026-07-2750
2026-07-2650
2026-07-2550
2026-07-2450
2026-07-2351
2026-07-2250
2026-07-2151
2026-07-1650
2026-07-1450
2026-07-1250
2026-07-1148
2026-07-0948
2026-07-0748
2026-07-0548
2026-07-0343
2026-07-0141
2026-06-3041
2026-06-2941
2026-06-2841
2026-06-2641
2026-06-2541
2026-06-2441
2026-06-2341
2026-06-2241
2026-06-2141
2026-06-2041
2026-06-1941
2026-06-1841
2026-06-1741
2026-06-1641
2026-06-1541
2026-06-1441
2026-06-1341
2026-06-1241
2026-06-1141
2026-06-1037
2026-06-0937
2026-06-0837
2026-06-0737
2026-06-0637
2026-06-0537
2026-06-0437

2026 season

Current season · regular season
G39
PA139
AVG.318
OBP.475
SLG.458
OPS.933
HR4
SB13
BB%21.6%
K%13.7%

FCL Marlins · FCL · Updated

Scouting Scenario Range

Model Range0.0%
405059
LowMedianHigh
206099
Performance 58

Profile Context

RiskLow Risk · 38
MLB / Model Watch
Confidence50
TypePosition Player

Backtested Forecasts

Separate from scouting grades
2027 MiLB production45.0
Historical 80% error band27–63
MLB arrival in 3 years4%
Productive MLB role in 3 years1%

The next-season score assumes at least 100 PA. A productive MLB role means a regular playing-time season with above-average measured hitting or pitching production. This is not a WAR forecast.

Scouting Tools

Tool grades unavailable from verified public scouting reports.

Player Stats

Recent regular season
PeriodTeamLevelGPAABRH2B3BHRRBIBBSOSBAVGOBPSLGOPS
Last 7 daysNo recent game logs available
Last 30 daysNo recent game logs available
Year-by-year regular season
YearTeamLevelGPAABRH2B3BHRRBIBBSOSBAVGOBPSLGOPS
2026FCL MarlinsFCL39139107283430419301913.318.475.458.933
2025DSL MiamiDSL472011613252121141273019.323.438.429.866

Regular season only. Totals combine team and level stints. Recent windows overlap and use cached game logs. Stats refreshed: 2026-09-22T00:11:19.

More Miami Marlins profiles

Organization reflects each player's saved assessment.