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

Blake Larson

CWS · ACL · P IL(60-Day)

Chicago White Sox · Age at assessment: 20.6 · Bats: L · Throws: L

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

Dominance ahead of the tool grades

Current strikeout and K-BB results are outperforming the verified pitch-quality expectation

Low Confidence · 48%
PB Rank#4,212
Prospect Score33
Median43
Performance40
Trend0.0%

Why the player is here

  • Best pitch grade 55; dominance evidence sits near the 94th percentile for comparable pitchers
  • K/9 is 17.4

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

Tool vs observed results

Percentile scale
Stuff+35.2 percentile gap
Expected 58 Observed 94
Command-3.5 percentile gap
Expected 42 Observed 38

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

Model history

Median movement
First recorded 43 Latest recorded 43
48 41.5 35 2026-06-04 · Median 43 2026-06-05 · Median 43 2026-06-06 · Median 43 2026-06-07 · Median 43 2026-06-08 · Median 43 2026-06-09 · Median 43 2026-06-10 · Median 43 2026-06-11 · Median 43 2026-06-12 · Median 43 2026-06-13 · Median 43 2026-06-14 · Median 43 2026-06-15 · Median 43 2026-06-16 · Median 43 2026-06-17 · Median 43 2026-06-18 · Median 43 2026-06-19 · Median 43 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 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 44 2026-07-07 · Median 44 2026-07-09 · Median 44 2026-07-11 · Median 44 2026-07-12 · Median 44 2026-07-14 · Median 44 2026-07-16 · Median 44 2026-07-21 · Median 39 2026-07-22 · Median 39 2026-07-23 · Median 39 2026-07-24 · Median 39 2026-08-27 · Median 43 2026-08-28 · Median 43 2026-09-01 · Median 43 2026-09-02 · Median 43 2026-09-03 · Median 43 2026-09-05 · Median 43 2026-09-06 · Median 43 2026-09-09 · Median 43 2026-09-14 · Median 43.4 2026-09-15 · Median 43 2026-09-16 · Median 43 2026-09-17 · Median 43 2026-09-18 · Median 43 2026-09-19 · Median 43 2026-09-21 · Median 43 2026-09-22 · Median 43 2026-09-24 · Median 43 2026-06-04 2026-09-24

2026-09-24 · Median 43

Saved median assessments. Gaps indicate unavailable or non-comparable observations.
View recorded values
DateMedian
2026-09-2443
2026-09-2243
2026-09-2143
2026-09-1943
2026-09-1843
2026-09-1743
2026-09-1643
2026-09-1543
2026-09-1443.4
2026-09-0943
2026-09-0643
2026-09-0543
2026-09-0343
2026-09-0243
2026-09-0143
2026-08-2843
2026-08-2743
2026-07-2439
2026-07-2339
2026-07-2239
2026-07-2139
2026-07-1644
2026-07-1444
2026-07-1244
2026-07-1144
2026-07-0944
2026-07-0744
2026-07-0544
2026-07-0343
2026-07-0141
2026-06-3041
2026-06-2941
2026-06-2841
2026-06-2641
2026-06-2541
2026-06-2442
2026-06-2342
2026-06-2242
2026-06-2142
2026-06-2042
2026-06-1943
2026-06-1843
2026-06-1743
2026-06-1643
2026-06-1543
2026-06-1443
2026-06-1343
2026-06-1243
2026-06-1143
2026-06-1043
2026-06-0943
2026-06-0843
2026-06-0743
2026-06-0643
2026-06-0543
2026-06-0443

Metrics to follow

K/9 17.4

Primary bat-missing indicator

Definition

Strikeouts recorded per nine innings pitched

K-BB% 21.7%

Separates dominance from walk cost

Definition

Strikeout percentage minus walk percentage, a compact measure of pitcher dominance and control

BB/9 7.7

Shows whether control is limiting the arsenal

Definition

Walks allowed per nine innings pitched. Lower is generally better

Next checkpointRecheck K/9, K-BB%, and BB/9 after the next 20 innings

2026 season

Current season · regular season
G3
IP4.2
ERA5.79
WHIP1.71
K/917.4
BB/97.7
K-BB%21.7%

ACL White Sox · ACL · Updated

Scouting Scenario Range

Model Range0.0%
294358
LowMedianHigh
206099
Performance 40

Profile Context

RiskHigh Risk · 96
MLB / Model Watch
Confidence60
TypePitcher

Scouting Tools

Source: Verified public scouting report
Fastball icon
Fastball55Avg
Slider icon
Slider55Avg
Changeup icon
Changeup45Fringe
Command icon
Control45Fringe
Overall icon
Overall40Developmental

Tool Profile

Tool ProfileFastballSliderChangeupCommand20-80 grade scaleArchetype: Pitch Mix

Player Stats

Recent regular season
PeriodTeamLevelWLERAGGSSVIPHRERHRBBSOWHIPK/9
Last 7 daysNo recent game logs available
Last 30 daysNo recent game logs available
Year-by-year regular season
YearTeamLevelWLERAGGSSVIPHRERHRBBSOWHIPK/9
2026ACL White SoxACL015.793304.24730491.7117.36

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 Chicago White Sox profiles

Organization reflects each player's saved assessment.