One pitch of his runs sideways more than almost anyone's
Williams's changeup moves 20.7 inches toward the third-base side, the biggest horizontal move in his arsenal.
349 thrown, averaging 83.8 mph.
The angle he throws from is unusual, and hitters notice
Williams releases the ball from a sidearm slot, about 22 degrees above horizontal and 2.2 feet to the third-base side of the rubber.
759 tracked release points, averaging 5.2 feet off the ground.
There is one pitch of his that keeps getting hit
Contact off Williams's 4-seam fastball leaves the bat at 90.6 mph, against 82.2 off his changeup.
398 and 349 of them thrown.
He cannot find the zone often enough
Williams works off the plate, with only 38.3% of his pitches in the zone, 12th percentile.
248 pitches in 2026. 12th percentile among qualified pitchers in 2026, 472nd in MLB.
This is the pitch he goes to when he needs the out
With two strikes Williams goes to the changeup: 54.4% of his two-strike pitches, against 41.9% the rest of the time.
248 two-strike pitches in 2026.
He pitches around the zone once runners are on
Williams throws 43.1% of his pitches in the zone with a runner in scoring position and 36.6% with the bases empty.
65 pitches with a runner in scoring position, 183 with the bases empty.
One pitch of his moves in a way hitters rarely see
Williams's 4-seam fastball carries 14.6 inches of ride against a spinless ball, the biggest vertical move in his arsenal.
398 thrown, averaging 93.9 mph.
He gets so far down the mound the ball arrives early
Williams releases the ball 7.3 feet down the mound, so the ball arrives sooner than the radar gun suggests.
682 tracked pitches in 2026.
When he falls behind, hitters know exactly what is coming
Behind in the count Williams throws a fastball 62.4% of the time, against 44.8% when he is ahead.
197 pitches behind in the count, 230 ahead.
One type of hitter does all the damage against him
Hitters do their damage on his offspeed pitches: a .364 expected average against them, against .302 on his fastballs.
122 of his offspeed pitches thrown.
He lives on the edges rather than over the middle
14.8% of Williams's pitches land in the middle third of the zone, well below what most pitchers give away.
112 of 759 located pitches.
His pitches move in ways that fit together
Williams works with 2 pitches: 4-Seam Fastball and Changeup. The 4-seam fastball is 52.4% of everything he throws.
759 classified pitches in 2026.
His ball moves more than the hitter expects it to
Williams's stuff spins at 2,429 rpm, 81st percentile in the league.
248 pitches in 2026. 81st percentile among qualified pitchers in 2026, 105th in MLB.
He throws strikes to one type of hitter and not the other
Williams lands 46.8% of his fastballs in the zone and only 29.5% of his offspeed pitches.
126 of his fastballs, 122 of his offspeed pitches.
One pitch of his spins more than almost anyone's
Williams's changeup spins at 2,605 rpm, the highest in his arsenal.
349 thrown in 2026.
Almost nothing hit off him is hit well
Only 33.3% of the contact Williams gives up is hit hard, 75th percentile.
248 pitches in 2026. 75th percentile among qualified pitchers in 2026, 133rd in MLB.
How much of the zone he uses depends on the count
Williams puts 55.3% of his pitches in the zone when he is behind and 38.3% when he is ahead.
197 located pitches behind, 230 ahead.
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 2.33 feet, against a zone that runs 1.5 to 3.5.
759 located pitches in 2026.
The contact he allows is the kind that finds grass
The quality of contact against Williams projects a .342 average, 33rd percentile.
248 pitches in 2026. 33rd percentile among qualified pitchers in 2026, 359th in MLB.
The gap between his pitches is what makes them work
10.1 mph separates Williams's 4-seam fastball from his changeup, 93.9 against 83.8.
398 and 349 of them respectively.
Hitters cannot square him up, the contact is weak
Contact against Williams is weak: 87.3 mph off the bat on average, 66th percentile.
248 pitches in 2026. 66th percentile among qualified pitchers in 2026, 185th in MLB.
His fastball is the pitch everything else is built on
Williams's 4-seam fastball averages 93.9 mph, and has touched 96.8.
398 thrown, 52.4% of his pitches.
One pitch exists only to make the hitter think
Williams has thrown 9 cutters this season, 1.2% of his pitches, at 89.3 mph: a look rather than a weapon.
759 classified pitches in 2026.
Show more
The numbers behind these live in Pitch Data.
Take me there
One pitch of his runs sideways more than almost anyone's
Williams's changeup moves 20.7 inches toward the third-base side, the biggest horizontal move in his arsenal.
349 thrown, averaging 83.8 mph.
One pitch of his moves in a way hitters rarely see
Williams's 4-seam fastball carries 14.6 inches of ride against a spinless ball, the biggest vertical move in his arsenal.
398 thrown, averaging 93.9 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 sidearm slot, about 22 degrees above horizontal and 2.2 feet to the third-base side of the rubber.
759 tracked release points, averaging 5.2 feet off the ground.
He gets so far down the mound the ball arrives early
Williams releases the ball 7.3 feet down the mound, so the ball arrives sooner than the radar gun suggests.
682 tracked pitches in 2026.
The numbers behind these live in Pitch Data.
Take me there
There is one pitch of his that keeps getting hit
Contact off Williams's 4-seam fastball leaves the bat at 90.6 mph, against 82.2 off his changeup.
398 and 349 of them thrown.
His pitches move in ways that fit together
Williams works with 2 pitches: 4-Seam Fastball and Changeup. The 4-seam fastball is 52.4% of everything he throws.
759 classified pitches in 2026.
One pitch of his spins more than almost anyone's
Williams's changeup spins at 2,605 rpm, the highest in his arsenal.
349 thrown in 2026.
The gap between his pitches is what makes them work
10.1 mph separates Williams's 4-seam fastball from his changeup, 93.9 against 83.8.
398 and 349 of them respectively.
His fastball is the pitch everything else is built on
Williams's 4-seam fastball averages 93.9 mph, and has touched 96.8.
398 thrown, 52.4% of his pitches.
One pitch exists only to make the hitter think
Williams has thrown 9 cutters this season, 1.2% of his pitches, at 89.3 mph: a look rather than a weapon.
759 classified pitches in 2026.
The numbers behind these live in Pitch Data.
Take me there
He cannot find the zone often enough
Williams works off the plate, with only 38.3% of his pitches in the zone, 12th percentile.
248 pitches in 2026. 12th percentile among qualified pitchers in 2026, 472nd in MLB.
The numbers behind these live in Pitch Data.
Take me there
This is the pitch he goes to when he needs the out
With two strikes Williams goes to the changeup: 54.4% of his two-strike pitches, against 41.9% the rest of the time.
248 two-strike pitches in 2026.
When he falls behind, hitters know exactly what is coming
Behind in the count Williams throws a fastball 62.4% of the time, against 44.8% when he is ahead.
197 pitches behind in the count, 230 ahead.
How much of the zone he uses depends on the count
Williams puts 55.3% of his pitches in the zone when he is behind and 38.3% when he is ahead.
197 located pitches behind, 230 ahead.
The numbers behind these live in Matchups.
Take me there
He pitches around the zone once runners are on
Williams throws 43.1% of his pitches in the zone with a runner in scoring position and 36.6% with the bases empty.
65 pitches with a runner in scoring position, 183 with the bases empty.
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 offspeed pitches: a .364 expected average against them, against .302 on his fastballs.
122 of his offspeed pitches thrown.
He throws strikes to one type of hitter and not the other
Williams lands 46.8% of his fastballs in the zone and only 29.5% of his offspeed pitches.
126 of his fastballs, 122 of his offspeed pitches.
The numbers behind these live in Pitch Data.
Take me there
He lives on the edges rather than over the middle
14.8% of Williams's pitches land in the middle third of the zone, well below what most pitchers give away.
112 of 759 located pitches.
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 2.33 feet, against a zone that runs 1.5 to 3.5.
759 located pitches in 2026.
The numbers behind these live in Pitch Data.
Take me there
His ball moves more than the hitter expects it to
Williams's stuff spins at 2,429 rpm, 81st percentile in the league.
248 pitches in 2026. 81st percentile among qualified pitchers in 2026, 105th in MLB.
The numbers behind these live in Spray Chart.
Take me there
Almost nothing hit off him is hit well
Only 33.3% of the contact Williams gives up is hit hard, 75th percentile.
248 pitches in 2026. 75th percentile among qualified pitchers in 2026, 133rd in MLB.
The contact he allows is the kind that finds grass
The quality of contact against Williams projects a .342 average, 33rd percentile.
248 pitches in 2026. 33rd percentile among qualified pitchers in 2026, 359th in MLB.
Hitters cannot square him up, the contact is weak
Contact against Williams is weak: 87.3 mph off the bat on average, 66th percentile.
248 pitches in 2026. 66th percentile among qualified pitchers in 2026, 185th in MLB.
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