Players · L · Pitcher · 2026 regular season
Luis De León
- Age
- 23
- B/T
- L/L
- Height
- 6' 3"
- Weight
- 168 lb
- Number
- #81
- Born
- April 14, 2003 in Barahona, Dominican Republic
- MLB debut
- September 1, 2026
- dbWAR
- .1 Regular season, 1 season(s)
- IP
- 9.1
- ERA
- 1.93
- FIP
- 3.85
- K/9
- 5.8
- FIP−
- 92 100 = avg
Luis De León is a relief pitcher for the Baltimore Orioles. In 2026 he struck out 6 batters over 9.1 innings across 8 appearances, going 0-2. His ERA of 1.93 was 53.9% lower than the league average of 4.18. Stripping out defence, his 3.85 FIP suggests that his ERA had some help behind him. He missed bats on 15.3% of swings (7.1% of every pitch he threw), walked 5.6% of the batters he faced and struck out 16.7%. His 0.1 dbWAR is built from that FIP rather than runs allowed, so it credits him for what he controls and not for the defence behind him.
League context
Percentile among qualified pitchers, 2026 regular season.
Pitching Regular season
Standard and advanced, by season. Regular-season games only.
| Trend | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | BAL | 8 | 0 | 9.1 | 0 | 2 | 0 | 6 | 2 | 6 | 2 | 1.93 | 3.85 | 0.86 | 5.8 | 1.9 | 46 | 92 | 0.1 | — |
Platoon splits
How left- and right-handed hitters fare against him.
| Split | PA | AB | H | HR | BB | SO | AVG | OBP | SLG | wOBA | K% |
|---|---|---|---|---|---|---|---|---|---|---|---|
| vs LHB | 14 | 14 | 1 | 1 | 0 | 5 | .071 | .071 | .286 | .145 | 35.7% |
| vs RHB | 22 | 19 | 5 | 0 | 2 | 1 | .263 | .318 | .263 | .269 | 4.5% |
Pitch sequencing
What Luis De León throws in each count, and what he follows each pitch with. Select any cell for the breakdown.
Select a count to see exactly what Luis De León throws in it.
Pitch arsenal
What he throws, how hard, how often it misses, and what hitters do with it.
| Sinker | 85 | 95.9 | 2,350 | 50.6% | 8.1% | 19 | .263 | .581 | |
| Splitter | 25 | 83.8 | 1,123 | 24.0% | 27.3% | 7 | — | — | |
| Slider | 16 | 88.0 | 2,624 | 56.3% | 27.3% | 7 | — | — |
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wOBA uses linear weights measured from this season's own play-by-play rather than published constants, and wRC+ is park-adjusted against that same league. dbWAR is our own open implementation — not fWAR or bWAR — and the full derivation, including its simplifications, is on the methodology page.