Prospect Baseline Prospect Baseline
Model Last Run Sep 25, 2026 · 2:59 PM ET

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

Player profile

Ethan Bosacker

KC · AAA · P Development List

Kansas City Royals · Age at assessment: 25.6 · Bats: R · Throws: R

Performance Signal Only
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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#2,163
Prospect Score47
Median45
Performance36
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%
384551
LowMedianHigh
206099
Performance 36

Model history

Median movement
First recorded 37 Latest recorded 45
49 41 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 37 2026-06-12 · Median 37 2026-06-13 · Median 37 2026-06-14 · Median 37 2026-06-15 · Median 37 2026-06-16 · Median 37 2026-06-17 · Median 37 2026-06-18 · Median 37 2026-06-19 · Median 37 2026-06-20 · Median 37 2026-06-21 · Median 37 2026-06-22 · Median 37 2026-06-23 · Median 37 2026-06-24 · Median 37 2026-06-25 · Median 44 2026-06-26 · Median 44 2026-06-28 · Median 42 2026-06-29 · Median 42 2026-06-30 · Median 42 2026-07-01 · Median 42 2026-07-03 · Median 43 2026-07-05 · Median 43 2026-07-07 · Median 43 2026-07-09 · Median 43 2026-07-11 · Median 43 2026-07-12 · Median 43 2026-07-14 · Median 42 2026-07-16 · Median 42 2026-07-21 · Median 42 2026-07-22 · Median 42 2026-07-23 · Median 42 2026-07-24 · Median 41 2026-07-25 · Median 41 2026-07-26 · Median 41 2026-07-27 · Median 41 2026-07-28 · Median 41 2026-07-29 · Median 41 2026-07-30 · Median 41 2026-07-31 · Median 41 2026-08-01 · Median 41 2026-08-03 · Median 41 2026-08-05 · Median 41 2026-08-07 · Median 41 2026-08-08 · Median 41 2026-08-09 · Median 41 2026-08-10 · Median 41 2026-08-11 · Median 41 2026-08-13 · Median 41 2026-08-14 · Median 41 2026-08-16 · Median 42 2026-08-17 · Median 42 2026-08-18 · Median 42 2026-08-19 · Median 42 2026-08-20 · Median 42 2026-08-22 · Median 42 2026-08-23 · Median 41.1 2026-08-25 · Median 41.1 2026-08-27 · Median 41 2026-08-28 · Median 41 2026-09-01 · Median 41 2026-09-02 · Median 41 2026-09-03 · Median 42 2026-09-05 · Median 42 2026-09-06 · Median 42 2026-09-09 · Median 44 2026-09-14 · Median 44.5 2026-09-15 · Median 45 2026-09-16 · Median 45 2026-09-17 · Median 45 2026-09-18 · Median 45 2026-09-19 · Median 45 2026-09-21 · Median 45 2026-09-22 · Median 45 2026-09-24 · Median 45 2026-09-25 · Median 45 2026-06-04 2026-09-25

2026-09-25 · Median 45

Saved median assessments. Gaps indicate unavailable or non-comparable observations.
View recorded values
DateMedian
2026-09-2545
2026-09-2445
2026-09-2245
2026-09-2145
2026-09-1945
2026-09-1845
2026-09-1745
2026-09-1645
2026-09-1545
2026-09-1444.5
2026-09-0944
2026-09-0642
2026-09-0542
2026-09-0342
2026-09-0241
2026-09-0141
2026-08-2841
2026-08-2741
2026-08-2541.1
2026-08-2341.1
2026-08-2242
2026-08-2042
2026-08-1942
2026-08-1842
2026-08-1742
2026-08-1642
2026-08-1441
2026-08-1341
2026-08-1141
2026-08-1041
2026-08-0941
2026-08-0841
2026-08-0741
2026-08-0541
2026-08-0341
2026-08-0141
2026-07-3141
2026-07-3041
2026-07-2941
2026-07-2841
2026-07-2741
2026-07-2641
2026-07-2541
2026-07-2441
2026-07-2342
2026-07-2242
2026-07-2142
2026-07-1642
2026-07-1442
2026-07-1243
2026-07-1143
2026-07-0943
2026-07-0743
2026-07-0543
2026-07-0343
2026-07-0142
2026-06-3042
2026-06-2942
2026-06-2842
2026-06-2644
2026-06-2544
2026-06-2437
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2026-06-2237
2026-06-2137
2026-06-2037
2026-06-1937
2026-06-1837
2026-06-1737
2026-06-1637
2026-06-1537
2026-06-1437
2026-06-1337
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2026-06-0437

2026 season

Current season · regular season
G29
IP62.2
ERA5.31
WHIP1.55
K/96.9
BB/94.9
K-BB%4.8%

2 teams · Total · All levels · Updated

Scouting Scenario Range

Model Range0.0%
384551
LowMedianHigh
206099
Performance 36

Profile Context

RiskLow Risk · 11
MLB / Model Watch
Confidence63
TypePitcher

Backtested Forecasts

Separate from scouting grades
2027 MiLB production35.5
Historical 80% error band11–60
MLB arrival in 3 years9%
Productive MLB role in 3 years1%

The next-season score assumes at least 20 IP. 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
PeriodTeamLevelWLERAGGSSVIPHRERHRBBSOWHIPK/9
Last 7 daysNo recent game logs available
Last 30 daysAll teamsAll levels106.353105.25440271.2411.12
Year-by-year regular season
YearTeamLevelWLERAGGSSVIPHRERHRBBSOWHIPK/9
2026Omaha Storm ChasersAAA416.04264050.2503534832401.627.11
2026Northwest Arkansas NaturalsAA012.2533012.013330281.256.00
20262 teams · TotalAll levels425.31297062.2633837834481.556.89
2025Omaha Storm ChasersAAA024.91104025.2311614210141.604.91
2025Northwest Arkansas NaturalsAA643.781811083.16337351132501.145.40
20252 teams · TotalAll levels664.0528150109.09453491342641.255.28
2024Quad Cities River BanditsHigh-A711.9799050.1361211111370.936.62
2024Columbia FirefliesSingle-A622.78159174.1662723417591.127.14
20242 teams · TotalAll levels1332.4524181124.21023934528961.046.93
2023ACL RoyalsACL0010.802001.24220123.0010.80

Regular season only. Totals combine team and level stints. Recent windows overlap and use cached game logs. Stats refreshed: 2026-09-25T14:54:05.

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Organization reflects each player's saved assessment.