Both sides hit him about the same
47.6% of the contact right-handers make against Keller is hit hard, against 29.6% of what left-handers make.
144 pitches to right-handed hitters, 172 to left-handed hitters.
One type of hitter does all the damage against him
Hitters do their damage on his fastballs: a .468 expected average against them, against .201 on his offspeed pitches.
167 of his fastballs thrown.
Hitters tend to hit him to one part of the field
60.4% of the balls put in play against Keller have gone to centre field.
29 of 48 located batted balls allowed.
There is one pitch of his that keeps getting hit
Contact off Keller's 4-seam fastball leaves the bat at 94.1 mph, against 74.3 off his sinker.
117 and 50 of them thrown.
He handles both hands about the same
Right-handed hitters project to a .373 average against Keller and left-handers to .302.
144 pitches to right-handed hitters, 172 to left-handed hitters.
Hitters cannot square him up, the contact is weak
Contact against Keller is weak: 86.5 mph off the bat on average, 78th percentile.
316 pitches in 2026. 78th percentile among qualified pitchers in 2026, 121st in MLB.
He throws about as hard as anybody in the league
Keller averages 93.0 mph across his arsenal, 91st percentile in the league.
316 pitches in 2026. 91st percentile among qualified pitchers in 2026, 49th in MLB.
The shape of the contact off him says how he gets outs
47.8% of the contact against Keller is on the ground and 28.3% of it is in the air.
46 tracked batted balls allowed.
He cannot find the zone often enough
Keller works off the plate, with only 39.9% of his pitches in the zone, 21st percentile.
316 pitches in 2026. 21st percentile among qualified pitchers in 2026, 424th in MLB.
His ball moves more than the hitter expects it to
Keller's stuff spins at 2,362 rpm, 69th percentile in the league.
316 pitches in 2026. 69th percentile among qualified pitchers in 2026, 168th in MLB.
One side of the plate does most of the damage against him
Right-handed hitters average 85.4 mph off the bat against Keller and left-handers 87.3.
21 tracked batted balls from right-handers, 27 from left-handers.
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The numbers behind these live in Matchups.
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Both sides hit him about the same
47.6% of the contact right-handers make against Keller is hit hard, against 29.6% of what left-handers make.
144 pitches to right-handed hitters, 172 to left-handed hitters.
He handles both hands about the same
Right-handed hitters project to a .373 average against Keller and left-handers to .302.
144 pitches to right-handed hitters, 172 to left-handed hitters.
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 .468 expected average against them, against .201 on his offspeed pitches.
167 of his fastballs thrown.
The numbers behind these live in Pitch Data.
Take me there
Hitters tend to hit him to one part of the field
60.4% of the balls put in play against Keller have gone to centre field.
29 of 48 located batted balls allowed.
The shape of the contact off him says how he gets outs
47.8% of the contact against Keller is on the ground and 28.3% of it is in the air.
46 tracked batted balls allowed.
One side of the plate does most of the damage against him
Right-handed hitters average 85.4 mph off the bat against Keller and left-handers 87.3.
21 tracked batted balls from right-handers, 27 from left-handers.
The numbers behind these live in Pitch Data.
Take me there
There is one pitch of his that keeps getting hit
Contact off Keller's 4-seam fastball leaves the bat at 94.1 mph, against 74.3 off his sinker.
117 and 50 of them thrown.
The numbers behind these live in Spray Chart.
Take me there
Hitters cannot square him up, the contact is weak
Contact against Keller is weak: 86.5 mph off the bat on average, 78th percentile.
316 pitches in 2026. 78th percentile among qualified pitchers in 2026, 121st in MLB.
The numbers behind these live in Pitch Data.
Take me there
He throws about as hard as anybody in the league
Keller averages 93.0 mph across his arsenal, 91st percentile in the league.
316 pitches in 2026. 91st percentile among qualified pitchers in 2026, 49th in MLB.
The numbers behind these live in Pitch Data.
Take me there
He cannot find the zone often enough
Keller works off the plate, with only 39.9% of his pitches in the zone, 21st percentile.
316 pitches in 2026. 21st percentile among qualified pitchers in 2026, 424th in MLB.
The numbers behind these live in Pitch Data.
Take me there
His ball moves more than the hitter expects it to
Keller's stuff spins at 2,362 rpm, 69th percentile in the league.
316 pitches in 2026. 69th percentile among qualified pitchers in 2026, 168th in MLB.
Royals
Career team 2018–2023