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

Wei-En Lin

ATH · AAA · P IL(60-Day)

Athletics · Age at assessment: 20.9 · Bats: L · Throws: L

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

Command results ahead of the tool grade

Current strike throwing is outperforming the verified command expectation

High Confidence · 99%
PB Rank#15
Prospect Score84
Median80
Performance76
Trend0.0%

Why the player is here

  • Command 55; command evidence sits near the 91th percentile for comparable pitchers
  • BB/9 is 2.9

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

Tool vs observed results

Percentile scale
Stuff-3.4 percentile gap
Expected 58 Observed 55
Command+32.5 percentile gap
Expected 58 Observed 91

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

Model history

Median movement
First recorded 84 Latest recorded 80
88 76 64 2026-06-04 · Median 84 2026-06-05 · Median 84 2026-06-06 · Median 84 2026-06-07 · Median 69 2026-06-08 · Median 69 2026-06-09 · Median 69 2026-06-10 · Median 69 2026-06-11 · Median 76 2026-06-12 · Median 76 2026-06-13 · Median 76 2026-06-14 · Median 76 2026-06-15 · Median 76 2026-06-16 · Median 76 2026-06-17 · Median 76 2026-06-18 · Median 76 2026-06-19 · Median 76 2026-06-20 · Median 76 2026-06-21 · Median 76 2026-06-22 · Median 76 2026-06-23 · Median 76 2026-06-24 · Median 76 2026-06-25 · Median 76 2026-08-27 · Median 68 2026-08-28 · Median 68 2026-09-01 · Median 68 2026-09-02 · Median 68 2026-09-03 · Median 68 2026-09-05 · Median 68 2026-09-06 · Median 68 2026-09-09 · Median 80 2026-09-14 · Median 80.3 2026-09-15 · Median 80 2026-09-16 · Median 80 2026-09-17 · Median 80 2026-09-18 · Median 80 2026-09-19 · Median 80 2026-09-21 · Median 80 2026-09-22 · Median 80 2026-09-24 · Median 80 2026-06-04 2026-09-24

2026-09-24 · Median 80

Saved median assessments. Gaps indicate unavailable or non-comparable observations.
View recorded values
DateMedian
2026-09-2480
2026-09-2280
2026-09-2180
2026-09-1980
2026-09-1880
2026-09-1780
2026-09-1680
2026-09-1580
2026-09-1480.3
2026-09-0980
2026-09-0668
2026-09-0568
2026-09-0368
2026-09-0268
2026-09-0168
2026-08-2868
2026-08-2768
2026-06-2576
2026-06-2476
2026-06-2376
2026-06-2276
2026-06-2176
2026-06-2076
2026-06-1976
2026-06-1876
2026-06-1776
2026-06-1676
2026-06-1576
2026-06-1476
2026-06-1376
2026-06-1276
2026-06-1176
2026-06-1069
2026-06-0969
2026-06-0869
2026-06-0769
2026-06-0684
2026-06-0584
2026-06-0484

Metrics to follow

BB/9 2.9

Primary strike-throwing checkpoint

Definition

Walks allowed per nine innings pitched. Lower is generally better

WHIP 1.00

Tracks total traffic allowed

Definition

Walks and hits allowed per inning pitched. Lower is generally better

K-BB% 17.3%

Balances dominance against walks

Definition

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

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

2026 season

Current season · regular season
G12
IP53.0
ERA3.23
WHIP1.00
K/99.2
BB/92.9
K-BB%17.3%

2 teams · Total · All levels · Updated

Scouting Scenario Range

Model Range0.0%
768086
LowMedianHigh
206099
Performance 76

Profile Context

RiskLow Risk · 12
MLB / Model Watch81 signal Top 100 Watch
Confidence96
TypePitcher

Backtested Forecasts

Separate from scouting grades
2027 MiLB production51.3
Historical 80% error band27–76
MLB arrival in 3 years33%
Productive MLB role in 3 years7%

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

Source: Verified public scouting report
Fastball icon
Fastball50Avg
Slider icon
Slider55Avg
Curveball icon
Curveball55Avg
Changeup icon
Changeup50Avg
Command icon
Control55Avg
Overall icon
Overall50Avg

Tool Profile

Tool ProfileFastballSliderCurveballChangeupCommand20-80 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
2026Las Vegas AviatorsAAA0043.202201.26880416.005.40
2026Midland RockHoundsAA311.931010051.1301411213530.849.29
20262 teams · TotalAll levels313.231212053.0362219217541.009.17
2025Midland RockHoundsAA004.052206.24331481.2010.80
2025Lansing LugnutsHigh-A313.26111030.1171111312400.9611.87
2025Stockton PortsSingle-A143.961310050.049272256691.1012.42
20253 teams · TotalAll levels453.722613087.07041369221171.0612.10

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 Athletics profiles

Organization reflects each player's saved assessment.