His fastball is the pitch everything else is built on
Williams's 4-seam fastball averages 97.6 mph, and has touched 100.8.
846 thrown, 28.3% of his pitches.
One pitch of his runs sideways more than almost anyone's
Williams's sinker moves 15.6 inches toward the third-base side, the biggest horizontal move in his arsenal.
441 thrown, averaging 96.9 mph.
The angle he throws from is unusual, and hitters notice
Williams releases the ball from a low three-quarters slot, about 27 degrees above horizontal and 2.6 feet to the third-base side of the rubber.
2972 tracked release points, averaging 5.8 feet off the ground.
There is one pitch of his that keeps getting hit
Contact off Williams's sinker leaves the bat at 94.0 mph, against 86.6 off his sweeper.
441 and 857 of them thrown.
When he falls behind, hitters know exactly what is coming
Behind in the count Williams throws a fastball 59.5% of the time, against 41.2% when he is ahead.
719 pitches behind in the count, 971 ahead.
One pitch of his moves in a way hitters rarely see
Williams's curveball carries 14.7 inches of drop against a spinless ball, the biggest vertical move in his arsenal.
672 thrown, averaging 82.6 mph.
This is the pitch he goes to when he needs the out
With two strikes Williams goes to the sweeper: 37% of his two-strike pitches, against 24.4% the rest of the time.
1010 two-strike pitches in 2026.
He pitches differently depending on which hand is up
Williams puts 41.4% of his pitches to right-handers in the zone and 46.8% of his pitches to left-handers.
348 pitches to right-handed hitters, 510 to left-handed hitters.
The gap between his pitches is what makes them work
15.0 mph separates Williams's 4-seam fastball from his curveball, 97.6 against 82.6.
846 and 672 of them respectively.
When hitters connect off him, they hit it hard
Hitters average 91.1 mph off the bat against Williams, 14th percentile.
858 pitches in 2026. 14th percentile among qualified pitchers in 2026, 463rd in MLB.
He lives on one side of the plate
Williams works in on right-handers: his average pitch lands 3.1 inches to that side of the middle of the plate.
2972 located pitches in 2026.
His velocity drains away as the outing goes on
Williams's fastball averages 97.3 mph in his first 25 pitches of a start and 96.1 past his 75th.
413 early fastballs, 313 late ones.
One type of hitter does all the damage against him
Hitters do their damage on his fastballs: a .377 expected average against them, against .328 on his breaking balls.
448 of his fastballs thrown.
How much of the zone he uses depends on the count
Williams puts 62% of his pitches in the zone when he is behind and 40.9% when he is ahead.
718 located pitches behind, 959 ahead.
He gets so far down the mound the ball arrives early
Williams releases the ball 7.0 feet down the mound, so the ball arrives sooner than the radar gun suggests.
2797 tracked pitches in 2026.
His pitches move in ways that fit together
Williams works with 5 pitches: Sweeper, 4-Seam Fastball, Curveball and Sinker, and a little else. The sweeper is 28.7% of everything he throws.
2991 classified pitches in 2026.
Too much of the contact against him is loud
46.3% of the contact Williams gives up is hit hard, 19th percentile.
858 pitches in 2026. 19th percentile among qualified pitchers in 2026, 433rd in MLB.
He fills the strike zone and makes hitters beat him
Williams lives in the strike zone: 44.6% of his pitches are in it, 69th percentile.
858 pitches in 2026. 69th percentile among qualified pitchers in 2026, 168th in MLB.
He works one part of the zone far more than the rest
Williams lives at the bottom of the zone: his average pitch crosses at 2.32 feet, against a zone that runs 1.5 to 3.5.
2972 located pitches in 2026.
The contact he allows is the kind that finds grass
The quality of contact against Williams projects a .354 average, 25th percentile.
858 pitches in 2026. 25th percentile among qualified pitchers in 2026, 404th in MLB.
He throws strikes to one type of hitter and not the other
Williams lands 49.3% of his fastballs in the zone and only 39.5% of his breaking balls.
448 of his fastballs, 410 of his breaking balls.
He throws about as hard as anybody in the league
Williams averages 90.4 mph across his arsenal, 62nd percentile in the league.
858 pitches in 2026. 62nd percentile among qualified pitchers in 2026, 206th in MLB.
He gets ahead early and pitches from in front all night
Williams throws a strike on the first pitch 63.1% of the time.
748 plate appearances started in 2026.
He saves one pitch for one side of the plate
Williams throws the sweeper 35.7% of the time against right-handers and 23.7% against left-handers.
1228 pitches to right-handers, 1763 to left-handers.
One pitch of his spins more than almost anyone's
Williams's curveball spins at 2,462 rpm, the highest in his arsenal.
672 thrown in 2026.
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The numbers behind these live in Pitch Data.
Take me there
His fastball is the pitch everything else is built on
Williams's 4-seam fastball averages 97.6 mph, and has touched 100.8.
846 thrown, 28.3% of his pitches.
There is one pitch of his that keeps getting hit
Contact off Williams's sinker leaves the bat at 94.0 mph, against 86.6 off his sweeper.
441 and 857 of them thrown.
The gap between his pitches is what makes them work
15.0 mph separates Williams's 4-seam fastball from his curveball, 97.6 against 82.6.
846 and 672 of them respectively.
His pitches move in ways that fit together
Williams works with 5 pitches: Sweeper, 4-Seam Fastball, Curveball and Sinker, and a little else. The sweeper is 28.7% of everything he throws.
2991 classified pitches in 2026.
He saves one pitch for one side of the plate
Williams throws the sweeper 35.7% of the time against right-handers and 23.7% against left-handers.
1228 pitches to right-handers, 1763 to left-handers.
One pitch of his spins more than almost anyone's
Williams's curveball spins at 2,462 rpm, the highest in his arsenal.
672 thrown in 2026.
The numbers behind these live in Pitch Data.
Take me there
One pitch of his runs sideways more than almost anyone's
Williams's sinker moves 15.6 inches toward the third-base side, the biggest horizontal move in his arsenal.
441 thrown, averaging 96.9 mph.
One pitch of his moves in a way hitters rarely see
Williams's curveball carries 14.7 inches of drop against a spinless ball, the biggest vertical move in his arsenal.
672 thrown, averaging 82.6 mph.
The numbers behind these live in Pitch Data.
Take me there
The angle he throws from is unusual, and hitters notice
Williams releases the ball from a low three-quarters slot, about 27 degrees above horizontal and 2.6 feet to the third-base side of the rubber.
2972 tracked release points, averaging 5.8 feet off the ground.
His velocity drains away as the outing goes on
Williams's fastball averages 97.3 mph in his first 25 pitches of a start and 96.1 past his 75th.
413 early fastballs, 313 late ones.
He gets so far down the mound the ball arrives early
Williams releases the ball 7.0 feet down the mound, so the ball arrives sooner than the radar gun suggests.
2797 tracked pitches in 2026.
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 Williams throws a fastball 59.5% of the time, against 41.2% when he is ahead.
719 pitches behind in the count, 971 ahead.
This is the pitch he goes to when he needs the out
With two strikes Williams goes to the sweeper: 37% of his two-strike pitches, against 24.4% the rest of the time.
1010 two-strike pitches in 2026.
How much of the zone he uses depends on the count
Williams puts 62% of his pitches in the zone when he is behind and 40.9% when he is ahead.
718 located pitches behind, 959 ahead.
He gets ahead early and pitches from in front all night
Williams throws a strike on the first pitch 63.1% of the time.
748 plate appearances started in 2026.
The numbers behind these live in Matchups.
Take me there
He pitches differently depending on which hand is up
Williams puts 41.4% of his pitches to right-handers in the zone and 46.8% of his pitches to left-handers.
348 pitches to right-handed hitters, 510 to left-handed hitters.
The numbers behind these live in Spray Chart.
Take me there
When hitters connect off him, they hit it hard
Hitters average 91.1 mph off the bat against Williams, 14th percentile.
858 pitches in 2026. 14th percentile among qualified pitchers in 2026, 463rd in MLB.
Too much of the contact against him is loud
46.3% of the contact Williams gives up is hit hard, 19th percentile.
858 pitches in 2026. 19th percentile among qualified pitchers in 2026, 433rd in MLB.
The contact he allows is the kind that finds grass
The quality of contact against Williams projects a .354 average, 25th percentile.
858 pitches in 2026. 25th percentile among qualified pitchers in 2026, 404th in MLB.
The numbers behind these live in Pitch Data.
Take me there
He lives on one side of the plate
Williams works in on right-handers: his average pitch lands 3.1 inches to that side of the middle of the plate.
2972 located pitches in 2026.
He works one part of the zone far more than the rest
Williams lives at the bottom of the zone: his average pitch crosses at 2.32 feet, against a zone that runs 1.5 to 3.5.
2972 located pitches 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 .377 expected average against them, against .328 on his breaking balls.
448 of his fastballs thrown.
He throws strikes to one type of hitter and not the other
Williams lands 49.3% of his fastballs in the zone and only 39.5% of his breaking balls.
448 of his fastballs, 410 of his breaking balls.
The numbers behind these live in Pitch Data.
Take me there
He fills the strike zone and makes hitters beat him
Williams lives in the strike zone: 44.6% of his pitches are in it, 69th percentile.
858 pitches in 2026. 69th percentile among qualified pitchers in 2026, 168th in MLB.
The numbers behind these live in Pitch Data.
Take me there
He throws about as hard as anybody in the league
Williams averages 90.4 mph across his arsenal, 62nd percentile in the league.
858 pitches in 2026. 62nd percentile among qualified pitchers in 2026, 206th in MLB.