One type of hitter does all the damage against him
Hitters do their damage on his breaking balls: a .406 expected average against them, against .219 on his fastballs.
175 of his breaking balls thrown.
One pitch of his runs sideways more than almost anyone's
Krol's changeup moves 106.2 inches toward the third-base side, the biggest horizontal move in his arsenal.
47 thrown, averaging 85.1 mph.
There is one pitch of his that keeps getting hit
Contact off Krol's slider leaves the bat at 89.3 mph, against 74.9 off his 4-seam fastball.
135 and 64 of them thrown.
He pitches differently depending on which hand is up
Krol puts 40.8% of his pitches to right-handers in the zone and 48.1% of his pitches to left-handers.
245 pitches to right-handed hitters, 104 to left-handed hitters.
One pitch of his moves in a way hitters rarely see
Krol's 4-seam fastball carries 16.3 inches of ride against a spinless ball, the biggest vertical move in his arsenal.
64 thrown, averaging 93.6 mph.
How much of the zone he uses depends on the count
Krol puts 61% of his pitches in the zone when he is behind and 32.9% when he is ahead.
118 located pitches behind, 82 ahead.
The gap between his pitches is what makes them work
15.9 mph separates Krol's sinker from his curveball, 94.0 against 78.0.
60 and 40 of them respectively.
He releases the ball about where everyone else does
Krol releases the ball 5.7 feet down the mound, a shorter stride than most.
349 tracked pitches in 2021.
Hitters cannot square him up, the contact is weak
Contact against Krol is weak: 85.7 mph off the bat on average, 86th percentile.
349 pitches in 2021. 86th percentile among qualified pitchers in 2021, 112th in MLB.
The angle he throws from is unusual, and hitters notice
Krol releases the ball from a low three-quarters slot, about 35 degrees above horizontal and 2.2 feet to the first-base side of the rubber.
349 tracked release points, averaging 5.8 feet off the ground.
He cannot find the zone often enough
Krol works off the plate, with only 43% of his pitches in the zone, 27th percentile.
349 pitches in 2021. 27th percentile among qualified pitchers in 2021, 585th in MLB.
He falls behind hitters far too often
Krol throws a strike on the first pitch 54.7% of the time.
86 plate appearances started in 2021.
Almost nothing hit off him is hit well
Only 33.3% of the contact Krol gives up is hit hard, 83rd percentile.
349 pitches in 2021. 83rd percentile among qualified pitchers in 2021, 141st in MLB.
He saves one pitch for one side of the plate
Krol throws the changeup 18.8% of the time against right-handers and 1% against left-handers.
245 pitches to right-handers, 104 to left-handers.
He lives on the edges rather than over the middle
17.5% of Krol's pitches land in the middle third of the zone, well below what most pitchers give away.
61 of 349 located pitches.
His pitches move in ways that fit together
Krol works with 5 pitches: Slider, 4-Seam Fastball, Sinker and Changeup, and a little else. The slider is 38.7% of everything he throws.
349 classified pitches in 2021.
This is the pitch he goes to when he needs the out
With two strikes Krol goes to the curveball: 15.4% of his two-strike pitches, against 9.8% the rest of the time.
104 two-strike pitches in 2021.
He gets by without much velocity, and it costs him
Krol averages 88.2 mph across his arsenal, 37th percentile in the league.
349 pitches in 2021. 37th percentile among qualified pitchers in 2021, 504th in MLB.
His ball moves more than the hitter expects it to
Krol's stuff spins at 2,321 rpm, 67th percentile in the league.
349 pitches in 2021. 67th percentile among qualified pitchers in 2021, 268th in MLB.
One pitch of his spins more than almost anyone's
Krol's curveball spins at 2,527 rpm, the highest in his arsenal.
40 thrown in 2021.
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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 breaking balls: a .406 expected average against them, against .219 on his fastballs.
175 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
Krol's changeup moves 106.2 inches toward the third-base side, the biggest horizontal move in his arsenal.
47 thrown, averaging 85.1 mph.
One pitch of his moves in a way hitters rarely see
Krol's 4-seam fastball carries 16.3 inches of ride against a spinless ball, the biggest vertical move in his arsenal.
64 thrown, averaging 93.6 mph.
The numbers behind these live in Pitch Data.
Take me there
There is one pitch of his that keeps getting hit
Contact off Krol's slider leaves the bat at 89.3 mph, against 74.9 off his 4-seam fastball.
135 and 64 of them thrown.
The gap between his pitches is what makes them work
15.9 mph separates Krol's sinker from his curveball, 94.0 against 78.0.
60 and 40 of them respectively.
He saves one pitch for one side of the plate
Krol throws the changeup 18.8% of the time against right-handers and 1% against left-handers.
245 pitches to right-handers, 104 to left-handers.
His pitches move in ways that fit together
Krol works with 5 pitches: Slider, 4-Seam Fastball, Sinker and Changeup, and a little else. The slider is 38.7% of everything he throws.
349 classified pitches in 2021.
One pitch of his spins more than almost anyone's
Krol's curveball spins at 2,527 rpm, the highest in his arsenal.
40 thrown in 2021.
The numbers behind these live in Matchups.
Take me there
He pitches differently depending on which hand is up
Krol puts 40.8% of his pitches to right-handers in the zone and 48.1% of his pitches to left-handers.
245 pitches to right-handed hitters, 104 to left-handed hitters.
The numbers behind these live in Pitch Data.
Take me there
How much of the zone he uses depends on the count
Krol puts 61% of his pitches in the zone when he is behind and 32.9% when he is ahead.
118 located pitches behind, 82 ahead.
He falls behind hitters far too often
Krol throws a strike on the first pitch 54.7% of the time.
86 plate appearances started in 2021.
This is the pitch he goes to when he needs the out
With two strikes Krol goes to the curveball: 15.4% of his two-strike pitches, against 9.8% the rest of the time.
104 two-strike pitches in 2021.
The numbers behind these live in Pitch Data.
Take me there
He releases the ball about where everyone else does
Krol releases the ball 5.7 feet down the mound, a shorter stride than most.
349 tracked pitches in 2021.
The angle he throws from is unusual, and hitters notice
Krol releases the ball from a low three-quarters slot, about 35 degrees above horizontal and 2.2 feet to the first-base side of the rubber.
349 tracked release points, averaging 5.8 feet off the ground.
The numbers behind these live in Spray Chart.
Take me there
Hitters cannot square him up, the contact is weak
Contact against Krol is weak: 85.7 mph off the bat on average, 86th percentile.
349 pitches in 2021. 86th percentile among qualified pitchers in 2021, 112th in MLB.
Almost nothing hit off him is hit well
Only 33.3% of the contact Krol gives up is hit hard, 83rd percentile.
349 pitches in 2021. 83rd percentile among qualified pitchers in 2021, 141st in MLB.
The numbers behind these live in Pitch Data.
Take me there
He cannot find the zone often enough
Krol works off the plate, with only 43% of his pitches in the zone, 27th percentile.
349 pitches in 2021. 27th percentile among qualified pitchers in 2021, 585th in MLB.
The numbers behind these live in Pitch Data.
Take me there
He lives on the edges rather than over the middle
17.5% of Krol's pitches land in the middle third of the zone, well below what most pitchers give away.
61 of 349 located pitches.
The numbers behind these live in Pitch Data.
Take me there
He gets by without much velocity, and it costs him
Krol averages 88.2 mph across his arsenal, 37th percentile in the league.
349 pitches in 2021. 37th percentile among qualified pitchers in 2021, 504th in MLB.
The numbers behind these live in Pitch Data.
Take me there
His ball moves more than the hitter expects it to
Krol's stuff spins at 2,321 rpm, 67th percentile in the league.
349 pitches in 2021. 67th percentile among qualified pitchers in 2021, 268th in MLB.
Braves
Career team 2016–2017