One type of hitter does all the damage against him
Hitters do their damage on his fastballs: a .410 expected average against them, against .278 on his breaking balls.
116 of his fastballs thrown.
One pitch of his runs sideways more than almost anyone's
Gsellman's sinker moves 124.9 inches toward the first-base side, the biggest horizontal move in his arsenal.
111 thrown, averaging 92.6 mph.
There is one pitch of his that keeps getting hit
Contact off Gsellman's sinker leaves the bat at 91.7 mph, against 85.7 off his slider.
111 and 60 of them thrown.
How much of the zone he uses depends on the count
Gsellman puts 67.9% of his pitches in the zone when he is behind and 35.3% when he is ahead.
53 located pitches behind, 51 ahead.
He works one part of the zone far more than the rest
Gsellman lives at the bottom of the zone: his average pitch crosses at 2.11 feet, against a zone that runs 1.5 to 3.5.
207 located pitches in 2022.
Too much of the contact against him is loud
50% of the contact Gsellman gives up is hit hard, 8th percentile.
207 pitches in 2022. 8th percentile among qualified pitchers in 2022, 711th in MLB.
He saves one pitch for one side of the plate
Gsellman throws the sinker 62.3% of the time against right-handers and 39% against left-handers.
130 pitches to right-handers, 77 to left-handers.
His ball is straighter than it should be
Gsellman's stuff spins at 1,994 rpm, 10th percentile in the league.
207 pitches in 2022. 10th percentile among qualified pitchers in 2022, 695th in MLB.
The angle he throws from is unusual, and hitters notice
Gsellman releases the ball from a low three-quarters slot, about 36 degrees above horizontal and 1.4 feet to the third-base side of the rubber.
207 tracked release points, averaging 5.5 feet off the ground.
The contact he allows is the kind that finds grass
The quality of contact against Gsellman projects a .377 average, 8th percentile.
207 pitches in 2022. 8th percentile among qualified pitchers in 2022, 715th in MLB.
His pitches move in ways that fit together
Gsellman works with 3 pitches: Sinker, Slider and Changeup. The sinker is 53.6% of everything he throws.
207 classified pitches in 2022.
He throws about as hard as anybody in the league
Gsellman averages 90.5 mph across his arsenal, 72nd percentile in the league.
207 pitches in 2022. 72nd percentile among qualified pitchers in 2022, 219th in MLB.
He gets ahead early and pitches from in front all night
Gsellman throws a strike on the first pitch 64.1% of the time.
64 plate appearances started in 2022.
When hitters connect off him, they hit it hard
Hitters average 90.2 mph off the bat against Gsellman, 18th percentile.
207 pitches in 2022. 18th percentile among qualified pitchers in 2022, 633rd in MLB.
He lives on the edges rather than over the middle
16.9% of Gsellman's pitches land in the middle third of the zone, well below what most pitchers give away.
35 of 207 located pitches.
His fastball is the pitch everything else is built on
Gsellman's sinker averages 92.6 mph, and has touched 95.2.
111 thrown, 53.6% of his pitches.
He throws strikes to one type of hitter and not the other
Gsellman lands 49.1% of his fastballs in the zone and only 38.8% of his breaking balls.
116 of his fastballs, 67 of his breaking balls.
When he falls behind, hitters know exactly what is coming
Behind in the count Gsellman throws a fastball 54.7% of the time, against 49% when he is ahead.
53 pitches behind in the count, 51 ahead.
He releases the ball about where everyone else does
Gsellman releases the ball 6.3 feet down the mound, a shorter stride than most.
207 tracked pitches in 2022.
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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 .410 expected average against them, against .278 on his breaking balls.
116 of his fastballs thrown.
He throws strikes to one type of hitter and not the other
Gsellman lands 49.1% of his fastballs in the zone and only 38.8% of his breaking balls.
116 of his fastballs, 67 of his breaking balls.
The numbers behind these live in Pitch Data.
Take me there
One pitch of his runs sideways more than almost anyone's
Gsellman's sinker moves 124.9 inches toward the first-base side, the biggest horizontal move in his arsenal.
111 thrown, averaging 92.6 mph.
The numbers behind these live in Pitch Data.
Take me there
There is one pitch of his that keeps getting hit
Contact off Gsellman's sinker leaves the bat at 91.7 mph, against 85.7 off his slider.
111 and 60 of them thrown.
He saves one pitch for one side of the plate
Gsellman throws the sinker 62.3% of the time against right-handers and 39% against left-handers.
130 pitches to right-handers, 77 to left-handers.
His pitches move in ways that fit together
Gsellman works with 3 pitches: Sinker, Slider and Changeup. The sinker is 53.6% of everything he throws.
207 classified pitches in 2022.
His fastball is the pitch everything else is built on
Gsellman's sinker averages 92.6 mph, and has touched 95.2.
111 thrown, 53.6% of his pitches.
The numbers behind these live in Pitch Data.
Take me there
How much of the zone he uses depends on the count
Gsellman puts 67.9% of his pitches in the zone when he is behind and 35.3% when he is ahead.
53 located pitches behind, 51 ahead.
He gets ahead early and pitches from in front all night
Gsellman throws a strike on the first pitch 64.1% of the time.
64 plate appearances started in 2022.
When he falls behind, hitters know exactly what is coming
Behind in the count Gsellman throws a fastball 54.7% of the time, against 49% when he is ahead.
53 pitches behind in the count, 51 ahead.
The numbers behind these live in Pitch Data.
Take me there
He works one part of the zone far more than the rest
Gsellman lives at the bottom of the zone: his average pitch crosses at 2.11 feet, against a zone that runs 1.5 to 3.5.
207 located pitches in 2022.
He lives on the edges rather than over the middle
16.9% of Gsellman's pitches land in the middle third of the zone, well below what most pitchers give away.
35 of 207 located pitches.
The numbers behind these live in Spray Chart.
Take me there
Too much of the contact against him is loud
50% of the contact Gsellman gives up is hit hard, 8th percentile.
207 pitches in 2022. 8th percentile among qualified pitchers in 2022, 711th in MLB.
The contact he allows is the kind that finds grass
The quality of contact against Gsellman projects a .377 average, 8th percentile.
207 pitches in 2022. 8th percentile among qualified pitchers in 2022, 715th in MLB.
When hitters connect off him, they hit it hard
Hitters average 90.2 mph off the bat against Gsellman, 18th percentile.
207 pitches in 2022. 18th percentile among qualified pitchers in 2022, 633rd in MLB.
The numbers behind these live in Pitch Data.
Take me there
His ball is straighter than it should be
Gsellman's stuff spins at 1,994 rpm, 10th percentile in the league.
207 pitches in 2022. 10th percentile among qualified pitchers in 2022, 695th in MLB.
The numbers behind these live in Pitch Data.
Take me there
The angle he throws from is unusual, and hitters notice
Gsellman releases the ball from a low three-quarters slot, about 36 degrees above horizontal and 1.4 feet to the third-base side of the rubber.
207 tracked release points, averaging 5.5 feet off the ground.
He releases the ball about where everyone else does
Gsellman releases the ball 6.3 feet down the mound, a shorter stride than most.
207 tracked pitches in 2022.
The numbers behind these live in Pitch Data.
Take me there
He throws about as hard as anybody in the league
Gsellman averages 90.5 mph across his arsenal, 72nd percentile in the league.
207 pitches in 2022. 72nd percentile among qualified pitchers in 2022, 219th in MLB.