Runners on base do not change how he is hit
58.8% of the contact against Peterson with a runner in scoring position is hit hard, against 43.3% with the bases empty.
182 pitches with a runner in scoring position, 454 with the bases empty.
The shape of the contact off him says how he gets outs
51% of the contact against Peterson is on the ground and 23.6% of it is in the air.
449 tracked batted balls allowed.
There is one pitch of his that keeps getting hit
Contact off Peterson's sinker leaves the bat at 91.6 mph, against 83.0 off his 4-seam fastball.
729 and 628 of them thrown.
Both sides hit him about the same
44.4% of the contact right-handers make against Peterson is hit hard, against 55.9% of what left-handers make.
453 pitches to right-handed hitters, 183 to left-handed hitters.
Too much of the contact against him is loud
47.6% of the contact Peterson gives up is hit hard, 17th percentile.
636 pitches in 2026. 17th percentile among qualified pitchers in 2026, 447th in MLB.
The contact he allows is the kind that finds grass
The quality of contact against Peterson projects a .363 average, 18th percentile.
636 pitches in 2026. 18th percentile among qualified pitchers in 2026, 440th in MLB.
One type of hitter does all the damage against him
Hitters do their damage on his fastballs: a .383 expected average against them, against .327 on his breaking balls.
344 of his fastballs thrown.
Hitters tend to hit him to one part of the field
47.5% of the balls put in play against Peterson have gone to centre field.
217 of 457 located batted balls allowed.
His ball is straighter than it should be
Peterson's stuff spins at 2,145 rpm, 28th percentile in the league.
636 pitches in 2026. 28th percentile among qualified pitchers in 2026, 388th in MLB.
He gets by without much velocity, and it costs him
Peterson averages 88.4 mph across his arsenal, 31st percentile in the league.
636 pitches in 2026. 31st percentile among qualified pitchers in 2026, 373rd in MLB.
He cannot find the zone often enough
Peterson works off the plate, with only 41.6% of his pitches in the zone, 35th percentile.
636 pitches in 2026. 35th percentile among qualified pitchers in 2026, 350th in MLB.
The home runs are what is undoing his season
Peterson has given up 15 tracked home runs, 6 of them to right field, the longest 418 feet.
15 tracked home runs allowed in 2026.
Show more
The numbers behind these live in Matchups.
Take me there
Runners on base do not change how he is hit
58.8% of the contact against Peterson with a runner in scoring position is hit hard, against 43.3% with the bases empty.
182 pitches with a runner in scoring position, 454 with the bases empty.
The numbers behind these live in Pitch Data.
Take me there
The shape of the contact off him says how he gets outs
51% of the contact against Peterson is on the ground and 23.6% of it is in the air.
449 tracked batted balls allowed.
Hitters tend to hit him to one part of the field
47.5% of the balls put in play against Peterson have gone to centre field.
217 of 457 located batted balls allowed.
The home runs are what is undoing his season
Peterson has given up 15 tracked home runs, 6 of them to right field, the longest 418 feet.
15 tracked home runs allowed in 2026.
The numbers behind these live in Pitch Data.
Take me there
There is one pitch of his that keeps getting hit
Contact off Peterson's sinker leaves the bat at 91.6 mph, against 83.0 off his 4-seam fastball.
729 and 628 of them thrown.
The numbers behind these live in Matchups.
Take me there
Both sides hit him about the same
44.4% of the contact right-handers make against Peterson is hit hard, against 55.9% of what left-handers make.
453 pitches to right-handed hitters, 183 to left-handed hitters.
The numbers behind these live in Spray Chart.
Take me there
Too much of the contact against him is loud
47.6% of the contact Peterson gives up is hit hard, 17th percentile.
636 pitches in 2026. 17th percentile among qualified pitchers in 2026, 447th in MLB.
The contact he allows is the kind that finds grass
The quality of contact against Peterson projects a .363 average, 18th percentile.
636 pitches in 2026. 18th percentile among qualified pitchers in 2026, 440th 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 fastballs: a .383 expected average against them, against .327 on his breaking balls.
344 of his fastballs thrown.
The numbers behind these live in Pitch Data.
Take me there
His ball is straighter than it should be
Peterson's stuff spins at 2,145 rpm, 28th percentile in the league.
636 pitches in 2026. 28th percentile among qualified pitchers in 2026, 388th in MLB.
The numbers behind these live in Pitch Data.
Take me there
He gets by without much velocity, and it costs him
Peterson averages 88.4 mph across his arsenal, 31st percentile in the league.
636 pitches in 2026. 31st percentile among qualified pitchers in 2026, 373rd in MLB.
The numbers behind these live in Pitch Data.
Take me there
He cannot find the zone often enough
Peterson works off the plate, with only 41.6% of his pitches in the zone, 35th percentile.
636 pitches in 2026. 35th percentile among qualified pitchers in 2026, 350th in MLB.
Cubs