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

Player profile

Luis De León

BAL · AAA · P Roster status pending

Baltimore Orioles · Age at assessment: 23.4 · Bats: L · Throws: L

Tools Translating

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Assessment saved: Sep 24, 2026 · Stats updated: Sep 24, 2026

Command tool translating

Current strike-throwing results are broadly aligned with the verified command expectation

High Confidence · 99%

PB Rank#250

Prospect Score68

Median63

Performance55

Trend0.0%

Why the player is here

Command 45; command evidence sits near the 33th percentile for comparable pitchers
BB/9 is 4.8

What could change the read

A 11.0 K/9 shows the stuff is still missing bats

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

Tool vs observed results

Percentile scale

Stuff-1.9 percentile gap

Expected 67 Observed 65

Command-8.7 percentile gap

Expected 42 Observed 33

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

Model history

Median movement

First recorded 50 Latest recorded 63

2026-09-24 · Median 63

Saved median assessments. Gaps indicate unavailable or non-comparable observations.

View recorded values

Date	Median
2026-09-24	63
2026-09-01	61
2026-08-28	62
2026-08-27	63
2026-08-25	63.3
2026-08-23	63.3
2026-08-22	63
2026-08-20	63
2026-08-19	54
2026-08-18	56
2026-08-17	56
2026-08-16	56
2026-08-14	54
2026-08-13	54
2026-08-11	54
2026-08-10	54
2026-08-09	54
2026-08-08	54
2026-08-07	55
2026-08-05	55
2026-08-03	55
2026-08-01	55
2026-07-31	57
2026-07-30	57
2026-07-29	57
2026-07-28	57
2026-07-27	57
2026-07-26	57
2026-07-25	55
2026-07-24	55
2026-07-23	55
2026-07-22	55
2026-07-21	55
2026-07-16	55
2026-07-14	55
2026-07-12	55
2026-07-11	54
2026-07-09	54
2026-07-07	54
2026-07-05	52
2026-07-03	52
2026-07-01	49
2026-06-30	50
2026-06-29	50
2026-06-28	50
2026-06-26	50
2026-06-25	50
2026-06-24	50
2026-06-23	49
2026-06-22	49
2026-06-21	49
2026-06-20	49
2026-06-19	49
2026-06-18	49
2026-06-17	49
2026-06-16	49
2026-06-15	49
2026-06-14	49
2026-06-13	49
2026-06-12	49
2026-06-11	48
2026-06-10	48
2026-06-09	48
2026-06-08	48
2026-06-07	48
2026-06-06	48
2026-06-05	50
2026-06-04	50

Metrics to follow

BB/9 4.8

Primary strike-throwing checkpoint

Definition

Walks allowed per nine innings pitched. Lower is generally better

WHIP 1.50

Tracks total traffic allowed

Definition

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

K-BB% 15.2%

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

G26

IP99.0

ERA4.73

WHIP1.47

K/911.0

BB/94.8

K-BB%15.2%

2 teams · Total · All levels · Updated Sep 24, 2026

Scouting Scenario Range

Model Range+6.1%

596368

LowMedianHigh

206099

Performance 55

Profile Context

RiskLow Risk · 10

MLB / Model Watch66 signal Top 100 Watch

Confidence94

TypePitcher

Backtested Forecasts

Separate from scouting grades

2027 MiLB production43.5

Historical 80% error band21–66

MLB arrival in 3 years54%

Productive MLB role in 3 years9%

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

Fastball60Above Avg

Slider60Above Avg

Splitter45Fringe

Changeup50Avg

Control45Fringe

Overall45Fringe

Tool Profile

Player Stats

Recent regular season
Period	Team	Level	W	L	ERA	G	GS	SV	IP	H	R	ER	HR	BB	SO	WHIP	K/9
Last 7 days	No recent game logs available
Last 30 days	All teams	All levels	1	0	16.20	2	0	0	1.2	3	3	3	2	1	3	2.40	16.20

Year-by-year regular season
Year	Team	Level	W	L	ERA	G	GS	IP	H	R	ER	HR	BB	SO	WHIP	K/9
2026	Norfolk Tides	AAA	1	0	6.50	7	3	18.0	24	14	13	4	11	21	1.94	10.50
2026	Chesapeake Baysox	AA	5	6	4.33	19	19	81.0	69	46	39	9	42	100	1.37	11.11
2026	2 teams · Total	All levels	6	6	4.73	26	22	99.0	93	60	52	13	53	121	1.47	11.00
2025	Chesapeake Baysox	AA	1	0	1.69	3	3	16.0	13	5	3	0	7	24	1.25	13.50
2025	Aberdeen IronBirds	High-A	4	3	3.58	13	11	60.1	46	29	24	0	26	69	1.19	10.29
2025	Delmarva Shorebirds	Single-A	0	0	4.09	4	4	11.0	6	6	5	0	8	14	1.27	11.45
2025	3 teams · Total	All levels	5	3	3.30	20	18	87.1	65	40	32	0	41	107	1.21	11.03
2024	Aberdeen IronBirds	High-A	2	3	5.73	19	11	59.2	70	43	38	4	42	65	1.88	9.80
2024	Delmarva Shorebirds	Single-A	1	2	2.25	7	7	28.0	20	13	7	1	7	41	0.96	13.18
2024	2 teams · Total	All levels	3	5	4.62	26	18	87.2	90	56	45	5	49	106	1.59	10.88
2023	Delmarva Shorebirds	Single-A	3	1	2.39	9	5	26.1	17	12	7	0	16	31	1.25	10.59
2023	FCL Orioles	FCL	2	0	1.65	6	6	27.1	23	8	5	0	14	36	1.35	11.85
2023	2 teams · Total	All levels	5	1	2.01	15	11	53.2	40	20	12	0	30	67	1.30	11.24
2022	DSL BAL Black	DSL	3	4	6.00	9	5	24.0	15	18	16	0	13	37	1.17	13.88
2022	DSL BAL Orange	DSL	1	0	0.00	1	0	4.0	1	0	0	0	0	8	0.25	18.00
2022	2 teams · Total	All levels	4	4	5.14	10	5	28.0	16	18	16	0	13	45	1.04	14.46

Regular season only. Totals combine team and level stints. Recent windows overlap and use cached game logs. Stats refreshed: 2026-09-24T08:35:32.

Checklist appearances

2024 Bowman Chrome · First Bowman · First autograph

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