One pitch of his moves in a way hitters rarely see
Parker's 4-seam fastball carries 17.1 inches of ride against a spinless ball, the biggest vertical move in his arsenal.
83 thrown, averaging 93.3 mph.
When he falls behind, hitters know exactly what is coming
Behind in the count Parker throws a fastball 40% of the time, against 17.8% when he is ahead.
70 pitches behind in the count, 90 ahead.
He gets by without much velocity, and it costs him
Parker averages 85.5 mph across his arsenal, 7th percentile in the league.
289 pitches in 2026. 7th percentile among qualified pitchers in 2026, 501st in MLB.
There is one pitch of his that keeps getting hit
Contact off Parker's curveball leaves the bat at 91.4 mph, against 85.1 off his slider.
40 and 162 of them thrown.
One type of hitter does all the damage against him
Hitters do their damage on his fastballs: a .372 expected average against them, against .287 on his breaking balls.
83 of his fastballs thrown.
He works one part of the zone far more than the rest
Parker lives at the bottom of the zone: his average pitch crosses at 2.15 feet, against a zone that runs 1.5 to 3.5.
289 located pitches in 2026.
His pitches move in ways that fit together
Parker works with 3 pitches: Slider, 4-Seam Fastball and Curveball. The slider is 56.1% of everything he throws.
289 classified pitches in 2026.
Too much of the contact against him is loud
49.1% of the contact Parker gives up is hit hard, 13th percentile.
289 pitches in 2026. 13th percentile among qualified pitchers in 2026, 465th in MLB.
How much of the zone he uses depends on the count
Parker puts 62.9% of his pitches in the zone when he is behind and 41.1% when he is ahead.
70 located pitches behind, 90 ahead.
The gap between his pitches is what makes them work
14.3 mph separates Parker's 4-seam fastball from his curveball, 93.3 against 79.0.
83 and 40 of them respectively.
Hitters cannot square him up, the contact is weak
Contact against Parker is weak: 85.8 mph off the bat on average, 83rd percentile.
289 pitches in 2026. 83rd percentile among qualified pitchers in 2026, 92nd in MLB.
He gets so far down the mound the ball arrives early
Parker releases the ball 6.8 feet down the mound, so the ball arrives sooner than the radar gun suggests.
240 tracked pitches in 2026.
He saves one pitch for one side of the plate
Parker throws the curveball 20.3% of the time against right-handers and 1% against left-handers.
192 pitches to right-handers, 97 to left-handers.
This is the pitch he goes to when he needs the out
With two strikes Parker goes to the slider: 59.8% of his two-strike pitches, against 54.3% the rest of the time.
92 two-strike pitches in 2026.
The angle he throws from is unusual, and hitters notice
Parker releases the ball from a low three-quarters slot, about 44 degrees above horizontal and 1.6 feet to the first-base side of the rubber.
289 tracked release points, averaging 6.0 feet off the ground.
One pitch of his runs sideways more than almost anyone's
Parker's curveball moves 8.8 inches toward the third-base side, the biggest horizontal move in his arsenal.
40 thrown, averaging 79.0 mph.
His ball is straighter than it should be
Parker's stuff spins at 2,200 rpm, 37th percentile in the league.
289 pitches in 2026. 37th percentile among qualified pitchers in 2026, 337th in MLB.
His fastball is the pitch everything else is built on
Parker's 4-seam fastball averages 93.3 mph, and has touched 95.4.
83 thrown, 28.7% of his pitches.
One pitch of his spins more than almost anyone's
Parker's slider spins at 2,258 rpm, the highest in his arsenal.
162 thrown in 2026.
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The numbers behind these live in Pitch Data.
Take me there
One pitch of his moves in a way hitters rarely see
Parker's 4-seam fastball carries 17.1 inches of ride against a spinless ball, the biggest vertical move in his arsenal.
83 thrown, averaging 93.3 mph.
One pitch of his runs sideways more than almost anyone's
Parker's curveball moves 8.8 inches toward the third-base side, the biggest horizontal move in his arsenal.
40 thrown, averaging 79.0 mph.
The numbers behind these live in Pitch Data.
Take me there
When he falls behind, hitters know exactly what is coming
Behind in the count Parker throws a fastball 40% of the time, against 17.8% when he is ahead.
70 pitches behind in the count, 90 ahead.
How much of the zone he uses depends on the count
Parker puts 62.9% of his pitches in the zone when he is behind and 41.1% when he is ahead.
70 located pitches behind, 90 ahead.
This is the pitch he goes to when he needs the out
With two strikes Parker goes to the slider: 59.8% of his two-strike pitches, against 54.3% the rest of the time.
92 two-strike pitches in 2026.
The numbers behind these live in Pitch Data.
Take me there
He gets by without much velocity, and it costs him
Parker averages 85.5 mph across his arsenal, 7th percentile in the league.
289 pitches in 2026. 7th percentile among qualified pitchers in 2026, 501st in MLB.
The numbers behind these live in Pitch Data.
Take me there
There is one pitch of his that keeps getting hit
Contact off Parker's curveball leaves the bat at 91.4 mph, against 85.1 off his slider.
40 and 162 of them thrown.
His pitches move in ways that fit together
Parker works with 3 pitches: Slider, 4-Seam Fastball and Curveball. The slider is 56.1% of everything he throws.
289 classified pitches in 2026.
The gap between his pitches is what makes them work
14.3 mph separates Parker's 4-seam fastball from his curveball, 93.3 against 79.0.
83 and 40 of them respectively.
He saves one pitch for one side of the plate
Parker throws the curveball 20.3% of the time against right-handers and 1% against left-handers.
192 pitches to right-handers, 97 to left-handers.
His fastball is the pitch everything else is built on
Parker's 4-seam fastball averages 93.3 mph, and has touched 95.4.
83 thrown, 28.7% of his pitches.
One pitch of his spins more than almost anyone's
Parker's slider spins at 2,258 rpm, the highest in his arsenal.
162 thrown in 2026.
The numbers behind these live in Pitch Data.
Take me there
One type of hitter does all the damage against him
Hitters do their damage on his fastballs: a .372 expected average against them, against .287 on his breaking balls.
83 of his fastballs thrown.
The numbers behind these live in Pitch Data.
Take me there
He works one part of the zone far more than the rest
Parker lives at the bottom of the zone: his average pitch crosses at 2.15 feet, against a zone that runs 1.5 to 3.5.
289 located pitches in 2026.
The numbers behind these live in Spray Chart.
Take me there
Too much of the contact against him is loud
49.1% of the contact Parker gives up is hit hard, 13th percentile.
289 pitches in 2026. 13th percentile among qualified pitchers in 2026, 465th in MLB.
Hitters cannot square him up, the contact is weak
Contact against Parker is weak: 85.8 mph off the bat on average, 83rd percentile.
289 pitches in 2026. 83rd percentile among qualified pitchers in 2026, 92nd in MLB.
The numbers behind these live in Pitch Data.
Take me there
He gets so far down the mound the ball arrives early
Parker releases the ball 6.8 feet down the mound, so the ball arrives sooner than the radar gun suggests.
240 tracked pitches in 2026.
The angle he throws from is unusual, and hitters notice
Parker releases the ball from a low three-quarters slot, about 44 degrees above horizontal and 1.6 feet to the first-base side of the rubber.
289 tracked release points, averaging 6.0 feet off the ground.
The numbers behind these live in Pitch Data.
Take me there
His ball is straighter than it should be
Parker's stuff spins at 2,200 rpm, 37th percentile in the league.
289 pitches in 2026. 37th percentile among qualified pitchers in 2026, 337th in MLB.
Nationals
Career team 2024–2026