His fastball is the pitch everything else is built on
Diaz's 4-seam fastball averages 97.0 mph, and has touched 99.2.
201 thrown, 37.4% of his pitches.
When he falls behind, hitters know exactly what is coming
Behind in the count Diaz throws a fastball 65.5% of the time, against 40% when he is ahead.
119 pitches behind in the count, 195 ahead.
One pitch of his moves in a way hitters rarely see
Diaz's 4-seam fastball carries 15.0 inches of ride against a spinless ball, the biggest vertical move in his arsenal.
201 thrown, averaging 97.0 mph.
He gets ahead early and pitches from in front all night
Diaz throws a strike on the first pitch 69.6% of the time.
135 plate appearances started in 2017.
He throws about as hard as anybody in the league
Diaz averages 91.7 mph across his arsenal, 83rd percentile in the league.
541 pitches in 2017. 83rd percentile among qualified pitchers in 2017, 118th in MLB.
He fills the strike zone and makes hitters beat him
Diaz lives in the strike zone: 47.2% of his pitches are in it, 78th percentile.
541 pitches in 2017. 78th percentile among qualified pitchers in 2017, 159th in MLB.
This is the pitch he goes to when he needs the out
With two strikes Diaz goes to the slider: 61.8% of his two-strike pitches, against 48.3% the rest of the time.
186 two-strike pitches in 2017.
His pitches move in ways that fit together
Diaz works with 3 pitches: Slider, 4-Seam Fastball and Sinker. The slider is 53% of everything he throws.
538 classified pitches in 2017.
He works one part of the zone far more than the rest
Diaz lives at the bottom of the zone: his average pitch crosses at 2.23 feet, against a zone that runs 1.5 to 3.5.
538 located pitches in 2017.
He pitches differently depending on which hand is up
Diaz puts 45.6% of his pitches to right-handers in the zone and 50.3% of his pitches to left-handers.
352 pitches to right-handed hitters, 189 to left-handed hitters.
One pitch of his runs sideways more than almost anyone's
Diaz's sinker moves 12.7 inches toward the third-base side, the biggest horizontal move in his arsenal.
52 thrown, averaging 96.5 mph.
Too much of the contact against him is loud
42.1% of the contact Diaz gives up is hit hard, 20th percentile.
541 pitches in 2017. 20th percentile among qualified pitchers in 2017, 563rd in MLB.
There is one pitch of his that keeps getting hit
Contact off Diaz's sinker leaves the bat at 92.2 mph, against 87.9 off his 4-seam fastball.
52 and 201 of them thrown.
He lives on one side of the plate
Diaz works in on right-handers: his average pitch lands 2.9 inches to that side of the middle of the plate.
538 located pitches in 2017.
One type of hitter does all the damage against him
Hitters do their damage on his breaking balls: a .387 expected average against them, against .346 on his fastballs.
285 of his breaking balls thrown.
When hitters connect off him, they hit it hard
Hitters average 89.0 mph off the bat against Diaz, 24th percentile.
541 pitches in 2017. 24th percentile among qualified pitchers in 2017, 537th in MLB.
His ball moves more than the hitter expects it to
Diaz's stuff spins at 2,298 rpm, 68th percentile in the league.
541 pitches in 2017. 68th percentile among qualified pitchers in 2017, 224th in MLB.
How much of the zone he uses depends on the count
Diaz puts 53.8% of his pitches in the zone when he is behind and 39.5% when he is ahead.
119 located pitches behind, 195 ahead.
The gap between his pitches is what makes them work
9.9 mph separates Diaz's 4-seam fastball from his slider, 97.0 against 87.1.
201 and 285 of them respectively.
He throws strikes to one type of hitter and not the other
Diaz lands 51% of his fastballs in the zone and only 43.9% of his breaking balls.
253 of his fastballs, 285 of his breaking balls.
One pitch of his spins more than almost anyone's
Diaz's slider spins at 2,357 rpm, the highest in his arsenal.
285 thrown in 2017.
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The numbers behind these live in Pitch Data.
Take me there
His fastball is the pitch everything else is built on
Diaz's 4-seam fastball averages 97.0 mph, and has touched 99.2.
201 thrown, 37.4% of his pitches.
His pitches move in ways that fit together
Diaz works with 3 pitches: Slider, 4-Seam Fastball and Sinker. The slider is 53% of everything he throws.
538 classified pitches in 2017.
There is one pitch of his that keeps getting hit
Contact off Diaz's sinker leaves the bat at 92.2 mph, against 87.9 off his 4-seam fastball.
52 and 201 of them thrown.
The gap between his pitches is what makes them work
9.9 mph separates Diaz's 4-seam fastball from his slider, 97.0 against 87.1.
201 and 285 of them respectively.
One pitch of his spins more than almost anyone's
Diaz's slider spins at 2,357 rpm, the highest in his arsenal.
285 thrown in 2017.
The numbers behind these live in Pitch Data.
Take me there
When he falls behind, hitters know exactly what is coming
Behind in the count Diaz throws a fastball 65.5% of the time, against 40% when he is ahead.
119 pitches behind in the count, 195 ahead.
He gets ahead early and pitches from in front all night
Diaz throws a strike on the first pitch 69.6% of the time.
135 plate appearances started in 2017.
This is the pitch he goes to when he needs the out
With two strikes Diaz goes to the slider: 61.8% of his two-strike pitches, against 48.3% the rest of the time.
186 two-strike pitches in 2017.
How much of the zone he uses depends on the count
Diaz puts 53.8% of his pitches in the zone when he is behind and 39.5% when he is ahead.
119 located pitches behind, 195 ahead.
The numbers behind these live in Pitch Data.
Take me there
One pitch of his moves in a way hitters rarely see
Diaz's 4-seam fastball carries 15.0 inches of ride against a spinless ball, the biggest vertical move in his arsenal.
201 thrown, averaging 97.0 mph.
One pitch of his runs sideways more than almost anyone's
Diaz's sinker moves 12.7 inches toward the third-base side, the biggest horizontal move in his arsenal.
52 thrown, averaging 96.5 mph.
The numbers behind these live in Pitch Data.
Take me there
He throws about as hard as anybody in the league
Diaz averages 91.7 mph across his arsenal, 83rd percentile in the league.
541 pitches in 2017. 83rd percentile among qualified pitchers in 2017, 118th in MLB.
The numbers behind these live in Pitch Data.
Take me there
He fills the strike zone and makes hitters beat him
Diaz lives in the strike zone: 47.2% of his pitches are in it, 78th percentile.
541 pitches in 2017. 78th percentile among qualified pitchers in 2017, 159th in MLB.
The numbers behind these live in Pitch Data.
Take me there
He works one part of the zone far more than the rest
Diaz lives at the bottom of the zone: his average pitch crosses at 2.23 feet, against a zone that runs 1.5 to 3.5.
538 located pitches in 2017.
He lives on one side of the plate
Diaz works in on right-handers: his average pitch lands 2.9 inches to that side of the middle of the plate.
538 located pitches in 2017.
The numbers behind these live in Matchups.
Take me there
He pitches differently depending on which hand is up
Diaz puts 45.6% of his pitches to right-handers in the zone and 50.3% of his pitches to left-handers.
352 pitches to right-handed hitters, 189 to left-handed hitters.
The numbers behind these live in Spray Chart.
Take me there
Too much of the contact against him is loud
42.1% of the contact Diaz gives up is hit hard, 20th percentile.
541 pitches in 2017. 20th percentile among qualified pitchers in 2017, 563rd in MLB.
When hitters connect off him, they hit it hard
Hitters average 89.0 mph off the bat against Diaz, 24th percentile.
541 pitches in 2017. 24th percentile among qualified pitchers in 2017, 537th in MLB.
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 .387 expected average against them, against .346 on his fastballs.
285 of his breaking balls thrown.
He throws strikes to one type of hitter and not the other
Diaz lands 51% of his fastballs in the zone and only 43.9% of his breaking balls.
253 of his fastballs, 285 of his breaking balls.
The numbers behind these live in Pitch Data.
Take me there
His ball moves more than the hitter expects it to
Diaz's stuff spins at 2,298 rpm, 68th percentile in the league.
541 pitches in 2017. 68th percentile among qualified pitchers in 2017, 224th in MLB.
Reds
Career team 2014–2016