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MLB Deserve-to-Win
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Luis De León

2026
Orioles· LHP · throws L· 9.1 IP· 1.93 ERA· 0.86 WHIP· 36 batters faced

Grade

His grade shows how good he has been, and at what.

Too few batters faced to grade

Luis De León has faced 36 batters this season. A rate built on that few can swing a long way on a single result, so his rates get no grade and no league percentile yet.

A grade needs 40 batters faced. League medians and percentiles come from pitchers with at least 100 batters faced. The sections below show what actually happened, with no grade attached.

Arsenal

These cards show what he throws and what each pitch does.

Pitch mix & swing-and-miss

Sinker
68%
95.9 mph
8% whiffs
saved 5.9 per 1005.0 total
Splitter
not charted
20%
83.8 mph
—
—
Slider
not charted
13%
88.0 mph
—
—

Only his sinker is in the charts below, because the rest were tracked too rarely to plot.

How to read this chart
Each row is a pitch he throws at least 3% of the time, from pitch tracking in the regular season. The bar is how often he throws it, then its average velocity and its whiff rate, the share of swings that miss. More whiffs are better for a pitcher, while usage and velocity describe how he pitches. The Bases vs average bars score each pitch against a league-average pitch in the same count, and a bar to the left (saved) is better.

Mix by batter side

Sinker
74% vs LHH
63% vs RHH
How to read this chart
Each row shows how often he throws a pitch to left-handed hitters (LHH) and right-handed hitters (RHH). A mix is a plan, so a higher or lower share is neither better nor worse.

Luis De León's pitch movement, 2026

Luis De León's pitch movement, 2026186in← glove sidearm side →more risemore drop
SinkerSI
Rise 7.9 in
−0.4 vs Lg median
Break 18.3 in
+3.1 vs Lg median
Early season → nowLg medianNormal wobble around the dot
How to read this chart
Each dot is a pitch's current break in inches, averaged over his latest outings. Higher is more rise and further right is more arm-side break, and neither is better or worse. The faint trail runs from his early-season outings to the dot, and the soft halo shows how far normal noise can move it. League median is the small hollow ring, and a pitch marked * has none because too few pitchers throw it. The by-appearance chart below has the exact dates. More on the About page

By appearance

These charts follow his velocity, movement and mix from outing to outing.

These charts follow his velocity, movement and pitch mix one outing at a time, and each pitch keeps the same color in every chart. The velocity and movement charts also shade the middle of the league for scale. Only his sinker is in these charts, because the rest were tracked too rarely to plot.

Contact allowed

These cards show what hitters do when they make contact.

Batters go up the middle off him most often, but they do the most damage to the pull side.

Pull side and opposite field depend on which side each batter hits from, so this pools every hitter he faced.

Batted balls allowed

Every ball hit off Luis De León this season is drawn where it landed.
hit · out
EBlowhigh
vs TJ RumfieldHome run
99 mph · 29° · worth 3.3 bases
09/01 vs Rockies
vs Brayan RocchioSingle
101 mph · 11° · worth 0.9 bases
09/08 vs Guardians
vs Connor NorbyOut
95 mph · 36° · worth 0.8 bases
09/01 vs Rockies
vs Jahmai JonesSingle
106 mph · 9° · worth 0.8 bases
09/03 vs Red Sox
vs Luis LaraOut
90 mph · 6° · worth 0.7 bases
09/18 vs Brewers
How to read this chart
Dot color is estimated bases (EB), what the contact was worth no matter what the defense did with it. Darker means more bases, so a dark hollow ring in the outfield is a crushed ball his defense ran down. Tap or hover a dot or a row to link the two, and use the ▶ links to watch a play on Baseball Savant.

Best games

These are his biggest outings this season.

Best games

These are his best outings this season, ranked by bases saved against a replacement arm.