One pitch of his moves in a way hitters rarely see
Jansen's sinker carries 18.8 inches of ride against a spinless ball, the biggest vertical move in his arsenal.
46 thrown, averaging 93.9 mph.
There is one pitch of his that keeps getting hit
Contact off Jansen's sinker leaves the bat at 94.8 mph, against 83.4 off his slider.
46 and 76 of them thrown.
His ball moves more than the hitter expects it to
Jansen's stuff spins at 2,624 rpm, 97th percentile in the league.
213 pitches in 2026. 97th percentile among qualified pitchers in 2026, 18th in MLB.
This is the pitch he goes to when he needs the out
With two strikes Jansen goes to the slider: 17.7% of his two-strike pitches, against 7.2% the rest of the time.
226 two-strike pitches in 2026.
His pitches move in ways that fit together
Jansen works with 3 pitches: Cutter, Slider and Sinker. The cutter is 83.2% of everything he throws.
725 classified pitches in 2026.
The contact he allows is the kind that finds grass
The quality of contact against Jansen projects a .376 average, 10th percentile.
213 pitches in 2026. 10th percentile among qualified pitchers in 2026, 485th in MLB.
He fills the strike zone and makes hitters beat him
Jansen lives in the strike zone: 45.5% of his pitches are in it, 77th percentile.
213 pitches in 2026. 77th percentile among qualified pitchers in 2026, 123rd in MLB.
He throws about as hard as anybody in the league
Jansen averages 91.7 mph across his arsenal, 76th percentile in the league.
213 pitches in 2026. 76th percentile among qualified pitchers in 2026, 127th in MLB.
When he falls behind, hitters know exactly what is coming
Behind in the count Jansen throws a fastball 94.2% of the time, against 79.7% when he is ahead.
191 pitches behind in the count, 231 ahead.
He gets so far down the mound the ball arrives early
Jansen releases the ball 6.9 feet down the mound, so the ball arrives sooner than the radar gun suggests.
683 tracked pitches in 2026.
One pitch of his spins more than almost anyone's
Jansen's cutter spins at 2,658 rpm, the highest in his arsenal.
603 thrown in 2026.
He works one part of the zone far more than the rest
Jansen lives up in the zone: his average pitch crosses at 2.67 feet, against a zone that runs 1.5 to 3.5.
725 located pitches in 2026.
How much of the zone he uses depends on the count
Jansen puts 59.2% of his pitches in the zone when he is behind and 45.5% when he is ahead.
191 located pitches behind, 231 ahead.
His fastball is the pitch everything else is built on
Jansen's cutter averages 92.5 mph, and has touched 96.8.
603 thrown, 83.2% of his pitches.
Almost nothing hit off him is hit well
Only 34.6% of the contact Jansen gives up is hit hard, 72nd percentile.
213 pitches in 2026. 72nd percentile among qualified pitchers in 2026, 153rd in MLB.
Hitters cannot square him up, the contact is weak
Contact against Jansen is weak: 87.0 mph off the bat on average, 70th percentile.
213 pitches in 2026. 70th percentile among qualified pitchers in 2026, 160th in MLB.
The angle he throws from is unusual, and hitters notice
Jansen releases the ball from a three-quarters slot, about 47 degrees above horizontal and 1.7 feet to the third-base side of the rubber.
725 tracked release points, averaging 6.2 feet off the ground.
He gets ahead early and pitches from in front all night
Jansen throws a strike on the first pitch 62% of the time.
179 plate appearances started in 2026.
The gap between his pitches is what makes them work
9.4 mph separates Jansen's sinker from his slider, 93.9 against 84.5.
46 and 76 of them respectively.
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The numbers behind these live in Pitch Data.
Take me there
One pitch of his moves in a way hitters rarely see
Jansen's sinker carries 18.8 inches of ride against a spinless ball, the biggest vertical move in his arsenal.
46 thrown, averaging 93.9 mph.
The numbers behind these live in Pitch Data.
Take me there
There is one pitch of his that keeps getting hit
Contact off Jansen's sinker leaves the bat at 94.8 mph, against 83.4 off his slider.
46 and 76 of them thrown.
His pitches move in ways that fit together
Jansen works with 3 pitches: Cutter, Slider and Sinker. The cutter is 83.2% of everything he throws.
725 classified pitches in 2026.
One pitch of his spins more than almost anyone's
Jansen's cutter spins at 2,658 rpm, the highest in his arsenal.
603 thrown in 2026.
His fastball is the pitch everything else is built on
Jansen's cutter averages 92.5 mph, and has touched 96.8.
603 thrown, 83.2% of his pitches.
The gap between his pitches is what makes them work
9.4 mph separates Jansen's sinker from his slider, 93.9 against 84.5.
46 and 76 of them respectively.
The numbers behind these live in Pitch Data.
Take me there
His ball moves more than the hitter expects it to
Jansen's stuff spins at 2,624 rpm, 97th percentile in the league.
213 pitches in 2026. 97th percentile among qualified pitchers in 2026, 18th 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 Jansen goes to the slider: 17.7% of his two-strike pitches, against 7.2% the rest of the time.
226 two-strike pitches in 2026.
When he falls behind, hitters know exactly what is coming
Behind in the count Jansen throws a fastball 94.2% of the time, against 79.7% when he is ahead.
191 pitches behind in the count, 231 ahead.
How much of the zone he uses depends on the count
Jansen puts 59.2% of his pitches in the zone when he is behind and 45.5% when he is ahead.
191 located pitches behind, 231 ahead.
He gets ahead early and pitches from in front all night
Jansen throws a strike on the first pitch 62% of the time.
179 plate appearances started in 2026.
The numbers behind these live in Spray Chart.
Take me there
The contact he allows is the kind that finds grass
The quality of contact against Jansen projects a .376 average, 10th percentile.
213 pitches in 2026. 10th percentile among qualified pitchers in 2026, 485th in MLB.
Almost nothing hit off him is hit well
Only 34.6% of the contact Jansen gives up is hit hard, 72nd percentile.
213 pitches in 2026. 72nd percentile among qualified pitchers in 2026, 153rd in MLB.
Hitters cannot square him up, the contact is weak
Contact against Jansen is weak: 87.0 mph off the bat on average, 70th percentile.
213 pitches in 2026. 70th percentile among qualified pitchers in 2026, 160th in MLB.
The numbers behind these live in Pitch Data.
Take me there
He fills the strike zone and makes hitters beat him
Jansen lives in the strike zone: 45.5% of his pitches are in it, 77th percentile.
213 pitches in 2026. 77th percentile among qualified pitchers in 2026, 123rd in MLB.
The numbers behind these live in Pitch Data.
Take me there
He throws about as hard as anybody in the league
Jansen averages 91.7 mph across his arsenal, 76th percentile in the league.
213 pitches in 2026. 76th percentile among qualified pitchers in 2026, 127th in MLB.
The numbers behind these live in Pitch Data.
Take me there
He gets so far down the mound the ball arrives early
Jansen releases the ball 6.9 feet down the mound, so the ball arrives sooner than the radar gun suggests.
683 tracked pitches in 2026.
The angle he throws from is unusual, and hitters notice
Jansen releases the ball from a three-quarters slot, about 47 degrees above horizontal and 1.7 feet to the third-base side of the rubber.
725 tracked release points, averaging 6.2 feet off the ground.
The numbers behind these live in Pitch Data.
Take me there
He works one part of the zone far more than the rest
Jansen lives up in the zone: his average pitch crosses at 2.67 feet, against a zone that runs 1.5 to 3.5.
725 located pitches in 2026.