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

Brandon Herbold

KC · Single-A · P

Kansas City Royals · Age at assessment: 22.1 · Bats: L · Throws: L

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#3,567
Prospect Score37
Median39
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%
293948
LowMedianHigh
206099
Performance 36

Model history

Median movement
First recorded 41 Latest recorded 39
47 40.5 34 2026-06-04 · Median 41 2026-06-05 · Median 41 2026-06-06 · Median 41 2026-06-07 · Median 41 2026-06-08 · Median 41 2026-06-09 · Median 41 2026-06-10 · Median 41 2026-06-11 · Median 42 2026-06-12 · Median 42 2026-06-13 · Median 42 2026-06-14 · Median 42 2026-06-15 · Median 42 2026-06-16 · Median 42 2026-06-17 · Median 42 2026-06-18 · Median 42 2026-06-19 · Median 42 2026-06-20 · Median 42 2026-06-21 · Median 42 2026-06-22 · Median 42 2026-06-23 · Median 42 2026-06-24 · Median 42 2026-06-25 · Median 42 2026-06-26 · Median 42 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 42 2026-07-07 · Median 42 2026-07-09 · Median 42 2026-07-11 · Median 42 2026-07-12 · Median 42 2026-07-14 · Median 42 2026-07-16 · Median 42 2026-07-21 · Median 40 2026-07-22 · Median 40 2026-07-23 · Median 40 2026-07-24 · Median 39 2026-07-25 · Median 39 2026-07-26 · Median 39 2026-07-27 · Median 39 2026-07-28 · Median 39 2026-07-29 · Median 39 2026-07-30 · Median 39 2026-07-31 · Median 39 2026-08-01 · Median 39 2026-08-03 · Median 39 2026-08-05 · Median 39 2026-08-07 · Median 39 2026-08-08 · Median 39 2026-08-09 · Median 38 2026-08-10 · Median 38 2026-08-11 · Median 38 2026-08-13 · Median 38 2026-08-14 · Median 38 2026-08-16 · Median 38 2026-08-17 · Median 38 2026-08-18 · Median 38 2026-08-19 · Median 38 2026-08-20 · Median 38 2026-08-22 · Median 38 2026-08-23 · Median 38 2026-08-25 · Median 38 2026-08-27 · Median 38 2026-08-28 · Median 38 2026-09-01 · Median 38 2026-09-02 · Median 38 2026-09-03 · Median 38 2026-09-05 · Median 38 2026-09-06 · Median 38 2026-09-09 · Median 39 2026-09-14 · Median 38.6 2026-09-15 · Median 39 2026-09-16 · Median 39 2026-09-17 · Median 39 2026-09-18 · Median 39 2026-09-19 · Median 39 2026-09-21 · Median 39 2026-09-22 · Median 39 2026-09-24 · Median 39 2026-06-04 2026-09-24

2026-09-24 · Median 39

Saved median assessments. Gaps indicate unavailable or non-comparable observations.
View recorded values
DateMedian
2026-09-2439
2026-09-2239
2026-09-2139
2026-09-1939
2026-09-1839
2026-09-1739
2026-09-1639
2026-09-1539
2026-09-1438.6
2026-09-0939
2026-09-0638
2026-09-0538
2026-09-0338
2026-09-0238
2026-09-0138
2026-08-2838
2026-08-2738
2026-08-2538
2026-08-2338
2026-08-2238
2026-08-2038
2026-08-1938
2026-08-1838
2026-08-1738
2026-08-1638
2026-08-1438
2026-08-1338
2026-08-1138
2026-08-1038
2026-08-0938
2026-08-0839
2026-08-0739
2026-08-0539
2026-08-0339
2026-08-0139
2026-07-3139
2026-07-3039
2026-07-2939
2026-07-2839
2026-07-2739
2026-07-2639
2026-07-2539
2026-07-2439
2026-07-2340
2026-07-2240
2026-07-2140
2026-07-1642
2026-07-1442
2026-07-1242
2026-07-1142
2026-07-0942
2026-07-0742
2026-07-0542
2026-07-0343
2026-07-0142
2026-06-3042
2026-06-2942
2026-06-2842
2026-06-2642
2026-06-2542
2026-06-2442
2026-06-2342
2026-06-2242
2026-06-2142
2026-06-2042
2026-06-1942
2026-06-1842
2026-06-1742
2026-06-1642
2026-06-1542
2026-06-1442
2026-06-1342
2026-06-1242
2026-06-1142
2026-06-1041
2026-06-0941
2026-06-0841
2026-06-0741
2026-06-0641
2026-06-0541
2026-06-0441

2026 season

Current season · regular season
G29
IP30.0
ERA7.50
WHIP2.10
K/911.4
BB/99.9
K-BB%3.2%

Columbia Fireflies · Single-A · Updated

Scouting Scenario Range

Model Range0.0%
293948
LowMedianHigh
206099
Performance 36

Profile Context

RiskLow Risk · 38
MLB / Model Watch
Confidence51
TypePitcher

Backtested Forecasts

Separate from scouting grades
2027 MiLB production35.8
Historical 80% error band11–61
MLB arrival in 3 years2%
Productive MLB role in 3 years0%

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 levels000.001001.00000020.0018.00
Year-by-year regular season
YearTeamLevelWLERAGGSSVIPHRERHRBBSOWHIPK/9
2026Columbia FirefliesSingle-A237.50290230.0302925233382.1011.40
2025ACL RoyalsACL102.63110013.2954010211.3913.83
2024ACL RoyalsACL125.68128038.0342524524431.5310.18
2023ACL RoyalsACL116.461210023.223171747151.275.70

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

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Organization reflects each player's saved assessment.