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

Jason Schiavone

HOU · AAA · C

Houston Astros · Age at assessment: 23.5 · Bats: R · Throws: R

Results Ahead of Tools
Compare
Assessment saved: · Stats updated:

Game power ahead of the tool grade

Current extra-base impact is outperforming the verified power expectation

High Confidence · 99%
PB Rank#176
Prospect Score71
Median68
Performance64
Trend-0.1%

Why the player is here

  • Power 55; game-power evidence sits near the 94th percentile for comparable players
  • ISO is 0.279

Context for this assessment, not a verified explanation for movement between model runs.

Tool vs observed results

Percentile scale
Contact+14.3 percentile gap
Expected 33 Observed 48
Game Power+35.4 percentile gap
Expected 58 Observed 94

Verified tool expectations alongside results for comparable players. Percentiles are not scouting grades.

Model history

Median movement
First recorded 58 Latest recorded 68
72 58.5 45 2026-06-04 · Median 58 2026-06-05 · Median 57 2026-06-06 · Median 55 2026-06-07 · Median 59 2026-06-08 · Median 61 2026-06-09 · Median 61 2026-06-10 · Median 61 2026-06-11 · Median 62 2026-06-12 · Median 62 2026-06-13 · Median 61 2026-06-14 · Median 58 2026-06-15 · Median 59 2026-06-16 · Median 59 2026-06-17 · Median 58 2026-06-18 · Median 57 2026-06-19 · Median 56 2026-06-20 · Median 55 2026-06-21 · Median 54 2026-06-22 · Median 54 2026-06-23 · Median 54 2026-06-24 · Median 56 2026-06-25 · Median 56 2026-06-26 · Median 56 2026-06-28 · Median 55 2026-06-29 · Median 54 2026-06-30 · Median 54 2026-07-01 · Median 52 2026-07-03 · Median 54 2026-07-05 · Median 54 2026-07-07 · Median 54 2026-07-09 · Median 52 2026-07-11 · Median 53 2026-07-12 · Median 55 2026-07-14 · Median 55 2026-07-16 · Median 55 2026-07-21 · Median 54 2026-07-22 · Median 53 2026-07-23 · Median 53 2026-07-24 · Median 52 2026-07-25 · Median 51 2026-07-26 · Median 51 2026-07-27 · Median 51 2026-07-28 · Median 51 2026-07-29 · Median 51 2026-07-30 · Median 52 2026-07-31 · Median 53 2026-08-01 · Median 53 2026-08-03 · Median 53 2026-08-05 · Median 53 2026-08-07 · Median 51 2026-08-08 · Median 51 2026-08-09 · Median 51 2026-08-10 · Median 50 2026-08-11 · Median 50 2026-08-13 · Median 49 2026-08-14 · Median 49 2026-08-16 · Median 49 2026-08-17 · Median 49 2026-08-18 · Median 49 2026-08-19 · Median 49 2026-08-20 · Median 49 2026-08-22 · Median 49 2026-08-23 · Median 49.5 2026-08-25 · Median 49.5 2026-08-27 · Median 60 2026-08-28 · Median 60 2026-09-01 · Median 60 2026-09-02 · Median 60 2026-09-03 · Median 60 2026-09-05 · Median 60 2026-09-06 · Median 60 2026-09-09 · Median 68 2026-09-14 · Median 67.5 2026-09-15 · Median 67 2026-09-16 · Median 67 2026-09-17 · Median 68 2026-09-18 · Median 68 2026-09-19 · Median 68 2026-09-21 · Median 68 2026-09-22 · Median 68 2026-09-24 · Median 68 2026-06-04 2026-09-24

2026-09-24 · Median 68

Saved median assessments. Gaps indicate unavailable or non-comparable observations.
View recorded values
DateMedian
2026-09-2468
2026-09-2268
2026-09-2168
2026-09-1968
2026-09-1868
2026-09-1768
2026-09-1667
2026-09-1567
2026-09-1467.5
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2026-08-2860
2026-08-2760
2026-08-2549.5
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2026-06-0861
2026-06-0759
2026-06-0655
2026-06-0557
2026-06-0458

Metrics to follow

ISO 0.279

Separates extra-base impact from batting average

Definition

Isolated power, calculated as slugging percentage minus batting average

SLG 0.531

Tracks total bases per at-bat

Definition

Slugging percentage, weighting extra-base hits more heavily

K% 32.0%

Shows the swing-and-miss cost of accessing power

Definition

Percentage of plate appearances ending in a strikeout. Lower is generally better for hitters

Next checkpointRecheck ISO, SLG, and K% after the next 75 plate appearances

2026 season

Current season · regular season
G123
PA540
AVG.252
OBP.391
SLG.531
OPS.922
HR32
SB32
BB%17.4%
K%32.0%

3 teams · Total · All levels · Updated

Scouting Scenario Range

Model Range-0.1%
646873
LowMedianHigh
206099
Performance 64

Profile Context

RiskLow Risk · 12
MLB / Model Watch70 signal Top 100 Watch
Confidence93
TypePosition Player

Backtested Forecasts

Separate from scouting grades
2027 MiLB production47.1
Historical 80% error band30–65
MLB arrival in 3 years85%
Productive MLB role in 3 years21%

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

Source: Verified public scouting report
Hit icon
Hit40Developmental
Power icon
Power55Avg
Speed icon
Speed45Fringe
Defense icon
Defense45Fringe
Arm icon
Arm60Above Avg
Overall icon
Overall45Fringe

Tool Profile

Tool ProfileHitPowerSpeedDefenseArm20-80 grade scaleArchetype: Balanced Position Player

Player Stats

Recent regular season
PeriodTeamLevelGPAABRH2B3BHRRBIBBSOSBAVGOBPSLGOPS
Last 7 daysAll teamsAll levels287242001110.571.625.8571.482
Last 30 daysAll teamsAll levels20826910165051611306.232.354.522.875
Year-by-year regular season
YearTeamLevelGPAABRH2B3BHRRBIBBSOSBAVGOBPSLGOPS
2026Sugar Land Space CowboysAAA93326473014693.269.424.500.924
2026Corpus Christi HooksAA79339283466613014444911220.233.357.428.784
2026Asheville TouristsHigh-A351681283737100174239529.289.452.7661.218
20263 teams · TotalAll levels1235404378711026032909417332.252.391.531.922
2025Asheville TouristsHigh-A835286820155110.286.429.464.893
2025Fayetteville WoodpeckersSingle-A702651943932101524589811.165.385.304.689
20252 teams · TotalAll levels7830022245401216296310911.180.390.324.714
2024Fayetteville WoodpeckersSingle-A207564810302710333.156.280.297.577

Regular season only. Totals combine team and level stints. Recent windows overlap and use cached game logs. Stats refreshed: 2026-09-24T08:35:32.

More Houston Astros profiles

Organization reflects each player's saved assessment.