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 11 degrees above horizontal and 3.3 feet to the third-base side of the rubber.
292 tracked release points, averaging 5.0 feet off the ground.
One pitch of his runs sideways more than almost anyone's
Walker's sinker moves 18.3 inches toward the third-base side, the biggest horizontal move in his arsenal.
203 thrown, averaging 95.4 mph.
His pitches move in ways that fit together
Walker works with 2 pitches: Sinker and Slider. The sinker is 68.8% of everything he throws.
295 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.
When he falls behind, hitters know exactly what is coming
Behind in the count Walker throws a fastball 80.5% of the time, against 66.2% when he is ahead.
87 pitches behind in the count, 74 ahead.
His fastball is the pitch everything else is built on
Walker's sinker averages 95.4 mph, and has touched 97.7.
203 thrown, 68.8% of his pitches.
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.
He gets ahead early and pitches from in front all night
Walker throws a strike on the first pitch 65.8% of the time.
73 plate appearances started in 2026.
There is one pitch of his that keeps getting hit
Contact off Walker's sinker leaves the bat at 84.5 mph, against 79.9 off his slider.
203 and 90 of them thrown.
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.
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.
He lives on the edges rather than over the middle
17.5% of Walker's pitches land in the middle third of the zone, well below what most pitchers give away.
51 of 292 located pitches.
The gap between his pitches is what makes them work
12.7 mph separates Walker's sinker from his slider, 95.4 against 82.8.
203 and 90 of them respectively.
This is the pitch he goes to when he needs the out
With two strikes Walker goes to the slider: 34.1% of his two-strike pitches, against 28.9% the rest of the time.
91 two-strike pitches in 2026.
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.
One pitch of his spins more than almost anyone's
Walker's slider spins at 2,569 rpm, the highest in his arsenal.
90 thrown in 2026.
He saves one pitch for one side of the plate
Walker throws the slider 33.9% of the time against right-handers and 25.2% against left-handers.
180 pitches to right-handers, 115 to left-handers.
How much of the zone he uses depends on the count
Walker puts 52.3% of his pitches in the zone when he is behind and 47.3% when he is ahead.
86 located pitches behind, 74 ahead.
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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 11 degrees above horizontal and 3.3 feet to the third-base side of the rubber.
292 tracked release points, averaging 5.0 feet off the ground.
The numbers behind these live in Pitch Data.
Take me there
One pitch of his runs sideways more than almost anyone's
Walker's sinker moves 18.3 inches toward the third-base side, the biggest horizontal move in his arsenal.
203 thrown, averaging 95.4 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 68.8% of everything he throws.
295 classified pitches in 2026.
His fastball is the pitch everything else is built on
Walker's sinker averages 95.4 mph, and has touched 97.7.
203 thrown, 68.8% of his pitches.
There is one pitch of his that keeps getting hit
Contact off Walker's sinker leaves the bat at 84.5 mph, against 79.9 off his slider.
203 and 90 of them thrown.
The gap between his pitches is what makes them work
12.7 mph separates Walker's sinker from his slider, 95.4 against 82.8.
203 and 90 of them respectively.
One pitch of his spins more than almost anyone's
Walker's slider spins at 2,569 rpm, the highest in his arsenal.
90 thrown in 2026.
He saves one pitch for one side of the plate
Walker throws the slider 33.9% of the time against right-handers and 25.2% against left-handers.
180 pitches to right-handers, 115 to left-handers.
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
When he falls behind, hitters know exactly what is coming
Behind in the count Walker throws a fastball 80.5% of the time, against 66.2% when he is ahead.
87 pitches behind in the count, 74 ahead.
He gets ahead early and pitches from in front all night
Walker throws a strike on the first pitch 65.8% of the time.
73 plate appearances started in 2026.
This is the pitch he goes to when he needs the out
With two strikes Walker goes to the slider: 34.1% of his two-strike pitches, against 28.9% the rest of the time.
91 two-strike pitches in 2026.
How much of the zone he uses depends on the count
Walker puts 52.3% of his pitches in the zone when he is behind and 47.3% when he is ahead.
86 located pitches behind, 74 ahead.
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
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 lives on the edges rather than over the middle
17.5% of Walker's pitches land in the middle third of the zone, well below what most pitchers give away.
51 of 292 located pitches.
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.
Giants