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

L.J. Waco

WSH · Single-A · P

Washington Nationals · Age at assessment: 25.2 · 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#4,412
Prospect Score32
Median35
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%
243549
LowMedianHigh
206099
Performance 36

Model history

Median movement
First recorded 31 Latest recorded 35
48 37.5 27 2026-06-04 · Median 31 2026-06-05 · Median 31 2026-06-06 · Median 31 2026-06-07 · Median 31 2026-06-08 · Median 31 2026-06-09 · Median 31 2026-06-10 · Median 31 2026-06-11 · Median 35 2026-06-12 · Median 35 2026-06-13 · Median 35 2026-06-14 · Median 35 2026-06-15 · Median 35 2026-06-16 · Median 35 2026-06-17 · Median 35 2026-06-18 · Median 35 2026-06-19 · Median 35 2026-06-20 · Median 35 2026-06-21 · Median 35 2026-06-22 · Median 35 2026-06-23 · Median 35 2026-06-24 · Median 35 2026-06-25 · Median 43 2026-06-26 · Median 43 2026-06-28 · Median 43 2026-06-29 · Median 43 2026-06-30 · Median 43 2026-07-01 · Median 43 2026-07-03 · Median 44 2026-07-05 · Median 41 2026-07-07 · Median 41 2026-07-09 · Median 41 2026-07-11 · Median 41 2026-07-12 · Median 41 2026-07-14 · Median 41 2026-07-16 · Median 41 2026-07-21 · Median 41 2026-07-22 · Median 41 2026-07-23 · Median 41 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 39 2026-08-10 · Median 39 2026-08-11 · Median 39 2026-08-13 · Median 39 2026-08-14 · Median 39 2026-08-16 · Median 39 2026-08-17 · Median 39 2026-08-18 · Median 39 2026-08-19 · Median 39 2026-08-20 · Median 39.4 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 34 2026-09-14 · Median 33.8 2026-09-15 · Median 34 2026-09-16 · Median 34 2026-09-17 · Median 34 2026-09-18 · Median 34 2026-09-19 · Median 34 2026-09-21 · Median 34 2026-09-22 · Median 34 2026-09-24 · Median 35 2026-09-25 · Median 35 2026-06-04 2026-09-25

2026-09-25 · Median 35

Saved median assessments. Gaps indicate unavailable or non-comparable observations.
View recorded values
DateMedian
2026-09-2535
2026-09-2435
2026-09-2234
2026-09-2134
2026-09-1934
2026-09-1834
2026-09-1734
2026-09-1634
2026-09-1534
2026-09-1433.8
2026-09-0934
2026-09-0638
2026-09-0538
2026-09-0338
2026-09-0238
2026-09-0138
2026-08-2838
2026-08-2738
2026-08-2039.4
2026-08-1939
2026-08-1839
2026-08-1739
2026-08-1639
2026-08-1439
2026-08-1339
2026-08-1139
2026-08-1039
2026-08-0939
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
2026-07-2341
2026-07-2241
2026-07-2141
2026-07-1641
2026-07-1441
2026-07-1241
2026-07-1141
2026-07-0941
2026-07-0741
2026-07-0541
2026-07-0344
2026-07-0143
2026-06-3043
2026-06-2943
2026-06-2843
2026-06-2643
2026-06-2543
2026-06-2435
2026-06-2335
2026-06-2235
2026-06-2135
2026-06-2035
2026-06-1935
2026-06-1835
2026-06-1735
2026-06-1635
2026-06-1535
2026-06-1435
2026-06-1335
2026-06-1235
2026-06-1135
2026-06-1031
2026-06-0931
2026-06-0831
2026-06-0731
2026-06-0631
2026-06-0531
2026-06-0431

2026 season

Current season · regular season
G18
IP21.0
ERA6.43
WHIP1.43
K/912.9
BB/97.3
K-BB%13.7%

2 teams · Total · All levels · Updated

Scouting Scenario Range

Model Range0.0%
243549
LowMedianHigh
206099
Performance 36

Profile Context

RiskMedium Risk · 49
MLB / Model Watch
Confidence41
TypePitcher

Backtested Forecasts

Separate from scouting grades
2027 MiLB production47.4
Historical 80% error band23–72
MLB arrival in 3 years1%
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 daysNo recent game logs available
Year-by-year regular season
YearTeamLevelWLERAGGSSVIPHRERHRBBSOWHIPK/9
2026Fredericksburg NationalsSingle-A009.00100212.081212215191.9214.25
2026FCL NationalsFCL003.008039.053312110.7811.00
20262 teams · TotalAll levels006.43180521.0131515317301.4312.86

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 Washington Nationals profiles

Organization reflects each player's saved assessment.