He pitches differently depending on which hand is up
Waldron puts 40.2% of his pitches to right-handers in the zone and 50.9% of his pitches to left-handers.
169 pitches to right-handed hitters, 230 to left-handed hitters.
His fastball is the pitch everything else is built on
Waldron's cutter averages 87.9 mph, and has touched 90.4.
146 thrown, 21.2% of his pitches.
One type of hitter does all the damage against him
Hitters do their damage on his breaking balls: a .360 expected average against them, against .265 on his fastballs.
72 of his breaking balls thrown.
One pitch of his runs sideways more than almost anyone's
Waldron's sinker moves 15.3 inches toward the third-base side, the biggest horizontal move in his arsenal.
113 thrown, averaging 91.5 mph.
He gets by without much velocity, and it costs him
Waldron averages 86.3 mph across his arsenal, 11th percentile in the league.
399 pitches in 2026. 11th percentile among qualified pitchers in 2026, 476th in MLB.
There is one pitch of his that keeps getting hit
Contact off Waldron's 4-seam fastball leaves the bat at 91.4 mph, against 79.2 off his cutter.
123 and 146 of them thrown.
How much of the zone he uses depends on the count
Waldron puts 67.4% of his pitches in the zone when he is behind and 40.5% when he is ahead.
187 located pitches behind, 195 ahead.
His ball is straighter than it should be
Waldron's stuff spins at 1,621 rpm, 1st percentile in the league.
399 pitches in 2026. 1st percentile among qualified pitchers in 2026, 534th in MLB.
He fills the strike zone and makes hitters beat him
Waldron lives in the strike zone: 46.4% of his pitches are in it, 83rd percentile.
399 pitches in 2026. 83rd percentile among qualified pitchers in 2026, 94th in MLB.
This is the pitch he goes to when he needs the out
With two strikes Waldron goes to the 4-seam fastball: 26% of his two-strike pitches, against 15% the rest of the time.
177 two-strike pitches in 2026.
One pitch of his moves in a way hitters rarely see
Waldron's 4-seam fastball carries 13.5 inches of ride against a spinless ball, the biggest vertical move in his arsenal.
123 thrown, averaging 92.0 mph.
His pitches move in ways that fit together
Waldron works with 5 pitches: Knuckle Ball, Cutter, 4-Seam Fastball and Sweeper, and a little else. The knuckle ball is 28.3% of everything he throws.
690 classified pitches in 2026.
The contact he allows should not turn into many hits
The quality of contact against Waldron projects a .295 average, 79th percentile.
399 pitches in 2026. 79th percentile among qualified pitchers in 2026, 114th in MLB.
The gap between his pitches is what makes them work
11.6 mph separates Waldron's 4-seam fastball from his knuckle ball, 92.0 against 80.4.
123 and 195 of them respectively.
He gets ahead early and pitches from in front all night
Waldron throws a strike on the first pitch 63.1% of the time.
195 plate appearances started in 2026.
He gets so far down the mound the ball arrives early
Waldron releases the ball 6.6 feet down the mound, so the ball arrives sooner than the radar gun suggests.
588 tracked pitches in 2026.
He saves one pitch for one side of the plate
Waldron throws the sinker 23.8% of the time against right-handers and 11.1% against left-handers.
286 pitches to right-handers, 404 to left-handers.
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The numbers behind these live in Matchups.
Take me there
He pitches differently depending on which hand is up
Waldron puts 40.2% of his pitches to right-handers in the zone and 50.9% of his pitches to left-handers.
169 pitches to right-handed hitters, 230 to left-handed hitters.
The numbers behind these live in Pitch Data.
Take me there
His fastball is the pitch everything else is built on
Waldron's cutter averages 87.9 mph, and has touched 90.4.
146 thrown, 21.2% of his pitches.
There is one pitch of his that keeps getting hit
Contact off Waldron's 4-seam fastball leaves the bat at 91.4 mph, against 79.2 off his cutter.
123 and 146 of them thrown.
His pitches move in ways that fit together
Waldron works with 5 pitches: Knuckle Ball, Cutter, 4-Seam Fastball and Sweeper, and a little else. The knuckle ball is 28.3% of everything he throws.
690 classified pitches in 2026.
The gap between his pitches is what makes them work
11.6 mph separates Waldron's 4-seam fastball from his knuckle ball, 92.0 against 80.4.
123 and 195 of them respectively.
He saves one pitch for one side of the plate
Waldron throws the sinker 23.8% of the time against right-handers and 11.1% against left-handers.
286 pitches to right-handers, 404 to left-handers.
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 breaking balls: a .360 expected average against them, against .265 on his fastballs.
72 of his breaking balls thrown.
The numbers behind these live in Pitch Data.
Take me there
One pitch of his runs sideways more than almost anyone's
Waldron's sinker moves 15.3 inches toward the third-base side, the biggest horizontal move in his arsenal.
113 thrown, averaging 91.5 mph.
One pitch of his moves in a way hitters rarely see
Waldron's 4-seam fastball carries 13.5 inches of ride against a spinless ball, the biggest vertical move in his arsenal.
123 thrown, averaging 92.0 mph.
The numbers behind these live in Pitch Data.
Take me there
He gets by without much velocity, and it costs him
Waldron averages 86.3 mph across his arsenal, 11th percentile in the league.
399 pitches in 2026. 11th percentile among qualified pitchers in 2026, 476th in MLB.
The numbers behind these live in Pitch Data.
Take me there
How much of the zone he uses depends on the count
Waldron puts 67.4% of his pitches in the zone when he is behind and 40.5% when he is ahead.
187 located pitches behind, 195 ahead.
This is the pitch he goes to when he needs the out
With two strikes Waldron goes to the 4-seam fastball: 26% of his two-strike pitches, against 15% the rest of the time.
177 two-strike pitches in 2026.
He gets ahead early and pitches from in front all night
Waldron throws a strike on the first pitch 63.1% of the time.
195 plate appearances started in 2026.
The numbers behind these live in Pitch Data.
Take me there
His ball is straighter than it should be
Waldron's stuff spins at 1,621 rpm, 1st percentile in the league.
399 pitches in 2026. 1st percentile among qualified pitchers in 2026, 534th in MLB.
The numbers behind these live in Pitch Data.
Take me there
He fills the strike zone and makes hitters beat him
Waldron lives in the strike zone: 46.4% of his pitches are in it, 83rd percentile.
399 pitches in 2026. 83rd percentile among qualified pitchers in 2026, 94th in MLB.
The numbers behind these live in Spray Chart.
Take me there
The contact he allows should not turn into many hits
The quality of contact against Waldron projects a .295 average, 79th percentile.
399 pitches in 2026. 79th percentile among qualified pitchers in 2026, 114th in MLB.
The numbers behind these live in Pitch Data.
Take me there
He gets so far down the mound the ball arrives early
Waldron releases the ball 6.6 feet down the mound, so the ball arrives sooner than the radar gun suggests.
588 tracked pitches in 2026.
Nationals