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

Callan Moss

PIT · AA · 1B

Pittsburgh Pirates · Age at assessment: 23.1 · Bats: R · Throws: R

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Assessment saved: · Stats updated:

Power tool translating

Current game power is broadly aligned with the verified power grade

High Confidence · 99%
PB Rank#758
Prospect Score59
Median53
Performance47
Trend0.0%

Why the player is here

  • Power 40; game-power evidence sits near the 37th percentile for comparable players
  • ISO is 0.133

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

Tool vs observed results

Percentile scale
Contact+2.0 percentile gap
Expected 50 Observed 52
Game Power+3.6 percentile gap
Expected 33 Observed 37

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

Model history

Median movement
First recorded 49 Latest recorded 53
57 50 43 2026-06-04 · Median 49 2026-06-05 · Median 49 2026-06-06 · Median 50 2026-06-07 · Median 50 2026-06-08 · Median 49 2026-06-09 · Median 49 2026-06-10 · Median 48 2026-06-11 · Median 49 2026-06-12 · Median 48 2026-06-13 · Median 49 2026-06-14 · Median 50 2026-06-15 · Median 51 2026-06-16 · Median 51 2026-06-17 · Median 49 2026-06-18 · Median 49 2026-06-19 · Median 48 2026-06-20 · Median 49 2026-06-21 · Median 48 2026-06-22 · Median 48 2026-06-23 · Median 48 2026-06-24 · Median 48 2026-06-25 · Median 47 2026-06-26 · Median 48 2026-06-28 · Median 49 2026-06-29 · Median 49 2026-06-30 · Median 49 2026-07-01 · Median 50 2026-07-03 · Median 52 2026-07-05 · Median 52 2026-07-07 · Median 52 2026-07-09 · Median 52 2026-07-11 · Median 52 2026-07-12 · Median 52 2026-07-14 · Median 52 2026-07-16 · Median 52 2026-07-21 · Median 51 2026-07-22 · Median 51 2026-07-23 · Median 51 2026-07-24 · Median 51 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 51 2026-07-31 · Median 51 2026-08-01 · Median 51 2026-08-03 · Median 51 2026-08-05 · Median 52 2026-08-07 · Median 52 2026-08-08 · Median 52 2026-08-09 · Median 52 2026-08-10 · Median 52 2026-08-11 · Median 52 2026-08-13 · Median 52 2026-08-14 · Median 52 2026-08-16 · Median 52 2026-08-17 · Median 52 2026-08-18 · Median 51 2026-08-19 · Median 51 2026-08-20 · Median 51 2026-08-22 · Median 51 2026-08-23 · Median 51.3 2026-08-25 · Median 51.3 2026-08-27 · Median 51 2026-08-28 · Median 51 2026-09-01 · Median 51 2026-09-02 · Median 51 2026-09-03 · Median 51 2026-09-05 · Median 51 2026-09-06 · Median 51 2026-09-09 · Median 53 2026-09-14 · Median 52.9 2026-09-15 · Median 53 2026-09-16 · Median 53 2026-09-17 · Median 53 2026-09-18 · Median 53 2026-09-19 · Median 53 2026-09-21 · Median 53 2026-09-22 · Median 53 2026-09-24 · Median 53 2026-06-04 2026-09-24

2026-09-24 · Median 53

Saved median assessments. Gaps indicate unavailable or non-comparable observations.
View recorded values
DateMedian
2026-09-2453
2026-09-2253
2026-09-2153
2026-09-1953
2026-09-1853
2026-09-1753
2026-09-1653
2026-09-1553
2026-09-1452.9
2026-09-0953
2026-09-0651
2026-09-0551
2026-09-0351
2026-09-0251
2026-09-0151
2026-08-2851
2026-08-2751
2026-08-2551.3
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2026-08-1951
2026-08-1851
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2026-08-0351
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2026-07-0752
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2026-06-2648
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2026-06-0650
2026-06-0549
2026-06-0449

Metrics to follow

ISO 0.133

Separates extra-base impact from batting average

Definition

Isolated power, calculated as slugging percentage minus batting average

SLG 0.400

Tracks total bases per at-bat

Definition

Slugging percentage, weighting extra-base hits more heavily

K% 24.0%

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
G124
PA530
AVG.266
OBP.340
SLG.400
OPS.739
HR11
SB8
BB%9.1%
K%24.0%

Altoona Curve · AA · Updated

Scouting Scenario Range

Model Range0.0%
495357
LowMedianHigh
206099
Performance 47

Profile Context

RiskLow Risk · 0
MLB / Model Watch
Confidence92
TypePosition Player

Backtested Forecasts

Separate from scouting grades
2027 MiLB production37.8
Historical 80% error band21–55
MLB arrival in 3 years48%
Productive MLB role in 3 years7%

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
Hit50Avg
Power icon
Power40Developmental
Speed icon
Speed40Developmental
Defense icon
Defense45Fringe
Arm icon
Arm50Avg
Overall icon
Overall40Developmental

Tool Profile

Tool ProfileHitPowerSpeedDefenseArm20-80 grade scaleArchetype: Balanced Position Player

Player Stats

Recent regular season
PeriodTeamLevelGPAABRH2B3BHRRBIBBSOSBAVGOBPSLGOPS
Last 7 daysNo recent game logs available
Last 30 daysAll teamsAll levels1563541012313117183.222.317.481.799
Year-by-year regular season
YearTeamLevelGPAABRH2B3BHRRBIBBSOSBAVGOBPSLGOPS
2026Altoona CurveAA124530473571262621164481278.266.340.400.739
2025Greensboro GrasshoppersHigh-A3012811217388061912293.339.422.571.993
2025Quad Cities River BanditsHigh-A923933305089223770538714.270.372.418.790
20252 teams · TotalAll levels1225214426712730313896511617.287.384.457.841
2024Columbia FirefliesSingle-A228062921102718123.339.488.452.939

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 Pittsburgh Pirates profiles

Organization reflects each player's saved assessment.