One pitch of his runs sideways more than almost anyone's
Robert's sweeper moves 77.5 inches toward the third-base side, the biggest horizontal move in his arsenal.
106 thrown, averaging 84.1 mph.
He pitches around the zone once runners are on
Robert throws 37.1% of his pitches in the zone with a runner in scoring position and 54.1% with the bases empty.
70 pitches with a runner in scoring position, 185 with the bases empty.
There is one pitch of his that keeps getting hit
Contact off Robert's 4-seam fastball leaves the bat at 96.9 mph, against 83.1 off his cutter.
60 and 66 of them thrown.
This is the pitch he goes to when he needs the out
With two strikes Robert goes to the sweeper: 51.7% of his two-strike pitches, against 36.3% the rest of the time.
87 two-strike pitches in 2025.
One type of hitter does all the damage against him
Hitters do their damage on his breaking balls: a .379 expected average against them, against .291 on his fastballs.
106 of his breaking balls thrown.
His fastball is the pitch everything else is built on
Robert's cutter averages 91.0 mph, and has touched 94.0.
66 thrown, 25.9% of his pitches.
One pitch of his moves in a way hitters rarely see
Robert's 4-seam fastball carries 15.2 inches of ride against a spinless ball, the biggest vertical move in his arsenal.
60 thrown, averaging 96.2 mph.
His ball moves more than the hitter expects it to
Robert's stuff spins at 2,588 rpm, 93rd percentile in the league.
255 pitches in 2025. 93rd percentile among qualified pitchers in 2025, 53rd in MLB.
He fills the strike zone and makes hitters beat him
Robert lives in the strike zone: 49.4% of his pitches are in it, 77th percentile.
255 pitches in 2025. 77th percentile among qualified pitchers in 2025, 181st in MLB.
He lives on one side of the plate
Robert works in on right-handers: his average pitch lands 3.1 inches to that side of the middle of the plate.
255 located pitches in 2025.
One pitch of his spins more than almost anyone's
Robert's sweeper spins at 2,762 rpm, the highest in his arsenal.
106 thrown in 2025.
He pitches differently depending on which hand is up
Robert puts 47.7% of his pitches to right-handers in the zone and 51.9% of his pitches to left-handers.
149 pitches to right-handed hitters, 106 to left-handed hitters.
The angle he throws from is unusual, and hitters notice
Robert releases the ball from a low three-quarters slot, about 39 degrees above horizontal and 1.9 feet to the third-base side of the rubber.
255 tracked release points, averaging 6.0 feet off the ground.
He releases the ball about where everyone else does
Robert releases the ball 6.0 feet down the mound, a shorter stride than most.
255 tracked pitches in 2025.
His pitches move in ways that fit together
Robert works with 4 pitches: Sweeper, Cutter, 4-Seam Fastball and Sinker. The sweeper is 41.6% of everything he throws.
255 classified pitches in 2025.
He saves one pitch for one side of the plate
Robert throws the sinker 15.4% of the time against right-handers and 0% against left-handers.
149 pitches to right-handers, 106 to left-handers.
The gap between his pitches is what makes them work
12.1 mph separates Robert's 4-seam fastball from his sweeper, 96.2 against 84.1.
60 and 106 of them respectively.
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The numbers behind these live in Pitch Data.
Take me there
One pitch of his runs sideways more than almost anyone's
Robert's sweeper moves 77.5 inches toward the third-base side, the biggest horizontal move in his arsenal.
106 thrown, averaging 84.1 mph.
One pitch of his moves in a way hitters rarely see
Robert's 4-seam fastball carries 15.2 inches of ride against a spinless ball, the biggest vertical move in his arsenal.
60 thrown, averaging 96.2 mph.
The numbers behind these live in Matchups.
Take me there
He pitches around the zone once runners are on
Robert throws 37.1% of his pitches in the zone with a runner in scoring position and 54.1% with the bases empty.
70 pitches with a runner in scoring position, 185 with the bases empty.
The numbers behind these live in Pitch Data.
Take me there
There is one pitch of his that keeps getting hit
Contact off Robert's 4-seam fastball leaves the bat at 96.9 mph, against 83.1 off his cutter.
60 and 66 of them thrown.
His fastball is the pitch everything else is built on
Robert's cutter averages 91.0 mph, and has touched 94.0.
66 thrown, 25.9% of his pitches.
One pitch of his spins more than almost anyone's
Robert's sweeper spins at 2,762 rpm, the highest in his arsenal.
106 thrown in 2025.
His pitches move in ways that fit together
Robert works with 4 pitches: Sweeper, Cutter, 4-Seam Fastball and Sinker. The sweeper is 41.6% of everything he throws.
255 classified pitches in 2025.
He saves one pitch for one side of the plate
Robert throws the sinker 15.4% of the time against right-handers and 0% against left-handers.
149 pitches to right-handers, 106 to left-handers.
The gap between his pitches is what makes them work
12.1 mph separates Robert's 4-seam fastball from his sweeper, 96.2 against 84.1.
60 and 106 of them respectively.
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 Robert goes to the sweeper: 51.7% of his two-strike pitches, against 36.3% the rest of the time.
87 two-strike pitches in 2025.
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 .379 expected average against them, against .291 on his fastballs.
106 of his breaking balls thrown.
The numbers behind these live in Pitch Data.
Take me there
His ball moves more than the hitter expects it to
Robert's stuff spins at 2,588 rpm, 93rd percentile in the league.
255 pitches in 2025. 93rd percentile among qualified pitchers in 2025, 53rd in MLB.
The numbers behind these live in Pitch Data.
Take me there
He fills the strike zone and makes hitters beat him
Robert lives in the strike zone: 49.4% of his pitches are in it, 77th percentile.
255 pitches in 2025. 77th percentile among qualified pitchers in 2025, 181st in MLB.
The numbers behind these live in Pitch Data.
Take me there
He lives on one side of the plate
Robert works in on right-handers: his average pitch lands 3.1 inches to that side of the middle of the plate.
255 located pitches in 2025.
The numbers behind these live in Matchups.
Take me there
He pitches differently depending on which hand is up
Robert puts 47.7% of his pitches to right-handers in the zone and 51.9% of his pitches to left-handers.
149 pitches to right-handed hitters, 106 to left-handed hitters.
The numbers behind these live in Pitch Data.
Take me there
The angle he throws from is unusual, and hitters notice
Robert releases the ball from a low three-quarters slot, about 39 degrees above horizontal and 1.9 feet to the third-base side of the rubber.
255 tracked release points, averaging 6.0 feet off the ground.
He releases the ball about where everyone else does
Robert releases the ball 6.0 feet down the mound, a shorter stride than most.
255 tracked pitches in 2025.