One pitch of his moves in a way hitters rarely see
Parker's 4-seam fastball carries 17.6 inches of ride against a spinless ball, the biggest vertical move in his arsenal.
219 thrown, averaging 93.6 mph.
When he falls behind, hitters know exactly what is coming
Behind in the count Parker throws a fastball 48.2% of the time, against 25.5% when he is ahead.
168 pitches behind in the count, 192 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.
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 gap between his pitches is what makes them work
14.7 mph separates Parker's 4-seam fastball from his curveball, 93.6 against 79.0.
219 and 101 of them respectively.
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.
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 2.23 feet, against a zone that runs 1.5 to 3.5.
641 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 49.3% of everything he throws.
641 classified pitches in 2026.
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.
592 tracked pitches in 2026.
This is the pitch he goes to when he needs the out
With two strikes Parker goes to the slider: 54.2% of his two-strike pitches, against 47.4% the rest of the time.
179 two-strike pitches in 2026.
He saves one pitch for one side of the plate
Parker throws the slider 58.5% of the time against left-handers and 43.5% against right-handers.
395 pitches to right-handers, 246 to left-handers.
How much of the zone he uses depends on the count
Parker puts 60.1% of his pitches in the zone when he is behind and 47.4% when he is ahead.
168 located pitches behind, 192 ahead.
There is one pitch of his that keeps getting hit
Contact off Parker's curveball leaves the bat at 88.8 mph, against 86.6 off his slider.
101 and 316 of them thrown.
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 93.6 mph, and has touched 96.6.
219 thrown, 34.2% of his pitches.
One pitch of his spins more than almost anyone's
Parker's slider spins at 2,268 rpm, the highest in his arsenal.
316 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 17.6 inches of ride against a spinless ball, the biggest vertical move in his arsenal.
219 thrown, averaging 93.6 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 48.2% of the time, against 25.5% when he is ahead.
168 pitches behind in the count, 192 ahead.
This is the pitch he goes to when he needs the out
With two strikes Parker goes to the slider: 54.2% of his two-strike pitches, against 47.4% the rest of the time.
179 two-strike pitches in 2026.
How much of the zone he uses depends on the count
Parker puts 60.1% of his pitches in the zone when he is behind and 47.4% when he is ahead.
168 located pitches behind, 192 ahead.
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
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
The gap between his pitches is what makes them work
14.7 mph separates Parker's 4-seam fastball from his curveball, 93.6 against 79.0.
219 and 101 of them respectively.
His pitches move in ways that fit together
Parker works with 3 pitches: Slider, 4-Seam Fastball and Curveball. The slider is 49.3% of everything he throws.
641 classified pitches in 2026.
He saves one pitch for one side of the plate
Parker throws the slider 58.5% of the time against left-handers and 43.5% against right-handers.
395 pitches to right-handers, 246 to left-handers.
There is one pitch of his that keeps getting hit
Contact off Parker's curveball leaves the bat at 88.8 mph, against 86.6 off his slider.
101 and 316 of them thrown.
His fastball is the pitch everything else is built on
Parker's 4-seam fastball averages 93.6 mph, and has touched 96.6.
219 thrown, 34.2% of his pitches.
One pitch of his spins more than almost anyone's
Parker's slider spins at 2,268 rpm, the highest in his arsenal.
316 thrown 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 works one part of the zone far more than the rest
Parker lives at the bottom of the zone: his average pitch crosses at 2.23 feet, against a zone that runs 1.5 to 3.5.
641 located pitches in 2026.
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.
592 tracked pitches in 2026.
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 to 2026