One type of hitter does all the damage against him
Hitters do their damage on his breaking balls: a .437 expected average against them, against .263 on his fastballs.
86 of his breaking balls thrown.
There is one pitch of his that keeps getting hit
Contact off Rolison's curveball leaves the bat at 91.7 mph, against 82.5 off his sinker.
162 and 142 of them thrown.
The contact he allows is the kind that finds grass
The quality of contact against Rolison projects a .365 average, 17th percentile.
175 pitches in 2026. 17th percentile among qualified pitchers in 2026, 445th in MLB.
One side of the plate does most of the damage against him
Right-handed hitters average 89.4 mph off the bat against Rolison and left-handers 85.3.
91 tracked batted balls from right-handers, 79 from left-handers.
He fills the strike zone and makes hitters beat him
Rolison lives in the strike zone: 46.5% of his pitches are in it, 84th percentile.
175 pitches in 2026. 84th percentile among qualified pitchers in 2026, 86th in MLB.
His ball moves more than the hitter expects it to
Rolison's stuff spins at 2,412 rpm, 78th percentile in the league.
175 pitches in 2026. 78th percentile among qualified pitchers in 2026, 118th in MLB.
The shape of the contact off him says how he gets outs
44% of the contact against Rolison is on the ground and 33.3% of it is in the air.
168 tracked batted balls allowed.
He gets by without much velocity, and it costs him
Rolison averages 88.8 mph across his arsenal, 36th percentile in the league.
175 pitches in 2026. 36th percentile among qualified pitchers in 2026, 345th in MLB.
The home runs are what is undoing his season
Rolison has given up 6 tracked home runs, 3 of them to left field, the longest 415 feet.
6 tracked home runs allowed in 2026.
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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 .437 expected average against them, against .263 on his fastballs.
86 of his breaking balls thrown.
The numbers behind these live in Pitch Data.
Take me there
There is one pitch of his that keeps getting hit
Contact off Rolison's curveball leaves the bat at 91.7 mph, against 82.5 off his sinker.
162 and 142 of them thrown.
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 Rolison projects a .365 average, 17th percentile.
175 pitches in 2026. 17th percentile among qualified pitchers in 2026, 445th in MLB.
The numbers behind these live in Pitch Data.
Take me there
One side of the plate does most of the damage against him
Right-handed hitters average 89.4 mph off the bat against Rolison and left-handers 85.3.
91 tracked batted balls from right-handers, 79 from left-handers.
The shape of the contact off him says how he gets outs
44% of the contact against Rolison is on the ground and 33.3% of it is in the air.
168 tracked batted balls allowed.
The home runs are what is undoing his season
Rolison has given up 6 tracked home runs, 3 of them to left field, the longest 415 feet.
6 tracked home runs allowed in 2026.
The numbers behind these live in Pitch Data.
Take me there
He fills the strike zone and makes hitters beat him
Rolison lives in the strike zone: 46.5% of his pitches are in it, 84th percentile.
175 pitches in 2026. 84th percentile among qualified pitchers in 2026, 86th in MLB.
The numbers behind these live in Pitch Data.
Take me there
His ball moves more than the hitter expects it to
Rolison's stuff spins at 2,412 rpm, 78th percentile in the league.
175 pitches in 2026. 78th percentile among qualified pitchers in 2026, 118th in MLB.
The numbers behind these live in Pitch Data.
Take me there
He gets by without much velocity, and it costs him
Rolison averages 88.8 mph across his arsenal, 36th percentile in the league.
175 pitches in 2026. 36th percentile among qualified pitchers in 2026, 345th in MLB.
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