He pitches differently depending on which hand is up
Walker puts 48.9% of his pitches to right-handers in the zone and 35.7% of his pitches to left-handers.
180 pitches to right-handed hitters, 115 to left-handed hitters.
The angle he throws from is unusual, and hitters notice
Walker releases the ball from a sidearm slot, about 12 degrees above horizontal and 3.2 feet to the third-base side of the rubber.
606 tracked release points, averaging 5.0 feet off the ground.
When he falls behind, hitters know exactly what is coming
Behind in the count Walker throws a fastball 81.9% of the time, against 57.1% when he is ahead.
188 pitches behind in the count, 154 ahead.
One pitch of his runs sideways more than almost anyone's
Walker's slider moves 16.6 inches toward the first-base side, the biggest horizontal move in his arsenal.
187 thrown, averaging 83.2 mph.
His pitches move in ways that fit together
Walker works with 2 pitches: Sinker and Slider. The sinker is 66.3% of everything he throws.
609 classified pitches in 2026.
Hitters cannot square him up, the contact is weak
Contact against Walker is weak: 82.6 mph off the bat on average, 97th percentile.
295 pitches in 2026. 97th percentile among qualified pitchers in 2026, 19th in MLB.
He throws about as hard as anybody in the league
Walker averages 91.6 mph across his arsenal, 75th percentile in the league.
295 pitches in 2026. 75th percentile among qualified pitchers in 2026, 135th in MLB.
His fastball is the pitch everything else is built on
Walker's sinker averages 95.1 mph, and has touched 97.7.
404 thrown, 66.3% of his pitches.
He works one part of the zone far more than the rest
Walker lives at the bottom of the zone: his average pitch crosses at 2.25 feet, against a zone that runs 1.5 to 3.5.
606 located pitches in 2026.
Almost nothing hit off him is hit well
Only 30.6% of the contact Walker gives up is hit hard, 85th percentile.
295 pitches in 2026. 85th percentile among qualified pitchers in 2026, 81st in MLB.
This is the pitch he goes to when he needs the out
With two strikes Walker goes to the slider: 35.6% of his two-strike pitches, against 28.5% the rest of the time.
188 two-strike pitches in 2026.
His ball moves more than the hitter expects it to
Walker's stuff spins at 2,417 rpm, 78th percentile in the league.
295 pitches in 2026. 78th percentile among qualified pitchers in 2026, 117th in MLB.
The gap between his pitches is what makes them work
11.9 mph separates Walker's sinker from his slider, 95.1 against 83.2.
404 and 187 of them respectively.
He saves one pitch for one side of the plate
Walker throws the slider 36.6% of the time against right-handers and 22.2% against left-handers.
361 pitches to right-handers, 248 to left-handers.
He lives on the edges rather than over the middle
17.7% of Walker's pitches land in the middle third of the zone, well below what most pitchers give away.
107 of 606 located pitches.
He throws strikes to one type of hitter and not the other
Walker lands 46.5% of his fastballs in the zone and only 37.8% of his breaking balls.
205 of his fastballs, 90 of his breaking balls.
How much of the zone he uses depends on the count
Walker puts 57.2% of his pitches in the zone when he is behind and 45.5% when he is ahead.
187 located pitches behind, 154 ahead.
One pitch of his spins more than almost anyone's
Walker's slider spins at 2,499 rpm, the highest in his arsenal.
187 thrown in 2026.
There is one pitch of his that keeps getting hit
Contact off Walker's sinker leaves the bat at 85.3 mph, against 82.6 off his slider.
404 and 187 of them thrown.
He gets ahead early and pitches from in front all night
Walker throws a strike on the first pitch 61.7% of the time.
154 plate appearances started in 2026.
One pitch exists only to make the hitter think
Walker has thrown 18 4-seam fastballs this season, 3% of his pitches, at 94.1 mph: a look rather than a weapon.
609 classified pitches in 2026.
Show more
The numbers behind these live in Matchups.
Take me there
He pitches differently depending on which hand is up
Walker puts 48.9% of his pitches to right-handers in the zone and 35.7% of his pitches to left-handers.
180 pitches to right-handed hitters, 115 to left-handed hitters.
The numbers behind these live in Pitch Data.
Take me there
The angle he throws from is unusual, and hitters notice
Walker releases the ball from a sidearm slot, about 12 degrees above horizontal and 3.2 feet to the third-base side of the rubber.
606 tracked release points, averaging 5.0 feet off the ground.
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 Walker throws a fastball 81.9% of the time, against 57.1% when he is ahead.
188 pitches behind in the count, 154 ahead.
This is the pitch he goes to when he needs the out
With two strikes Walker goes to the slider: 35.6% of his two-strike pitches, against 28.5% the rest of the time.
188 two-strike pitches in 2026.
How much of the zone he uses depends on the count
Walker puts 57.2% of his pitches in the zone when he is behind and 45.5% when he is ahead.
187 located pitches behind, 154 ahead.
He gets ahead early and pitches from in front all night
Walker throws a strike on the first pitch 61.7% of the time.
154 plate appearances started in 2026.
The numbers behind these live in Pitch Data.
Take me there
One pitch of his runs sideways more than almost anyone's
Walker's slider moves 16.6 inches toward the first-base side, the biggest horizontal move in his arsenal.
187 thrown, averaging 83.2 mph.
The numbers behind these live in Pitch Data.
Take me there
His pitches move in ways that fit together
Walker works with 2 pitches: Sinker and Slider. The sinker is 66.3% of everything he throws.
609 classified pitches in 2026.
His fastball is the pitch everything else is built on
Walker's sinker averages 95.1 mph, and has touched 97.7.
404 thrown, 66.3% of his pitches.
The gap between his pitches is what makes them work
11.9 mph separates Walker's sinker from his slider, 95.1 against 83.2.
404 and 187 of them respectively.
He saves one pitch for one side of the plate
Walker throws the slider 36.6% of the time against right-handers and 22.2% against left-handers.
361 pitches to right-handers, 248 to left-handers.
One pitch of his spins more than almost anyone's
Walker's slider spins at 2,499 rpm, the highest in his arsenal.
187 thrown in 2026.
There is one pitch of his that keeps getting hit
Contact off Walker's sinker leaves the bat at 85.3 mph, against 82.6 off his slider.
404 and 187 of them thrown.
One pitch exists only to make the hitter think
Walker has thrown 18 4-seam fastballs this season, 3% of his pitches, at 94.1 mph: a look rather than a weapon.
609 classified pitches in 2026.
Show more
The numbers behind these live in Spray Chart.
Take me there
Hitters cannot square him up, the contact is weak
Contact against Walker is weak: 82.6 mph off the bat on average, 97th percentile.
295 pitches in 2026. 97th percentile among qualified pitchers in 2026, 19th in MLB.
Almost nothing hit off him is hit well
Only 30.6% of the contact Walker gives up is hit hard, 85th percentile.
295 pitches in 2026. 85th percentile among qualified pitchers in 2026, 81st in MLB.
The numbers behind these live in Pitch Data.
Take me there
He throws about as hard as anybody in the league
Walker averages 91.6 mph across his arsenal, 75th percentile in the league.
295 pitches in 2026. 75th percentile among qualified pitchers in 2026, 135th 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
Walker lives at the bottom of the zone: his average pitch crosses at 2.25 feet, against a zone that runs 1.5 to 3.5.
606 located pitches in 2026.
He lives on the edges rather than over the middle
17.7% of Walker's pitches land in the middle third of the zone, well below what most pitchers give away.
107 of 606 located pitches.
The numbers behind these live in Pitch Data.
Take me there
His ball moves more than the hitter expects it to
Walker's stuff spins at 2,417 rpm, 78th percentile in the league.
295 pitches in 2026. 78th percentile among qualified pitchers in 2026, 117th in MLB.
The numbers behind these live in Pitch Data.
Take me there
He throws strikes to one type of hitter and not the other
Walker lands 46.5% of his fastballs in the zone and only 37.8% of his breaking balls.
205 of his fastballs, 90 of his breaking balls.