There is one pitch of his that keeps getting hit
Contact off Kelly's knuckle curve leaves the bat at 97.9 mph, against 83.6 off his sinker.
98 and 162 of them thrown.
The shape of the contact off him says how he gets outs
50.6% of the contact against Kelly is on the ground and 26.5% of it is in the air.
83 tracked batted balls allowed.
He throws about as hard as anybody in the league
Kelly averages 93.8 mph across his arsenal, 95th percentile in the league.
552 pitches in 2024. 95th percentile among qualified pitchers in 2024, 37th in MLB.
Both sides hit him about the same
46% of the contact right-handers make against Kelly is hit hard, against 38.9% of what left-handers make.
267 pitches to right-handed hitters, 285 to left-handed hitters.
Too much of the contact against him is loud
43% of the contact Kelly gives up is hit hard, 27th percentile.
552 pitches in 2024. 27th percentile among qualified pitchers in 2024, 564th in MLB.
His ball moves more than the hitter expects it to
Kelly's stuff spins at 2,456 rpm, 84th percentile in the league.
552 pitches in 2024. 84th percentile among qualified pitchers in 2024, 120th in MLB.
The contact he allows is the kind that finds grass
The quality of contact against Kelly projects a .341 average, 29th percentile.
552 pitches in 2024. 29th percentile among qualified pitchers in 2024, 547th in MLB.
One side of the plate does most of the damage against him
Right-handed hitters average 87.2 mph off the bat against Kelly and left-handers 89.7.
50 tracked batted balls from right-handers, 36 from left-handers.
Runners on base do not change how he is hit
45.5% of the contact against Kelly with a runner in scoring position is hit hard, against 41.5% with the bases empty.
206 pitches with a runner in scoring position, 346 with the bases empty.
He fills the strike zone and makes hitters beat him
Kelly lives in the strike zone: 47.3% of his pitches are in it, 66th percentile.
552 pitches in 2024. 66th percentile among qualified pitchers in 2024, 259th in MLB.
The home runs are what is undoing his season
Kelly has given up 4 tracked home runs, 2 of them to centre field, the longest 426 feet.
4 tracked home runs allowed in 2024.
Hitters tend to hit him to one part of the field
41.9% of the balls put in play against Kelly have gone to centre field.
36 of 86 located batted balls allowed.
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The numbers behind these live in Pitch Data.
Take me there
There is one pitch of his that keeps getting hit
Contact off Kelly's knuckle curve leaves the bat at 97.9 mph, against 83.6 off his sinker.
98 and 162 of them thrown.
The numbers behind these live in Pitch Data.
Take me there
The shape of the contact off him says how he gets outs
50.6% of the contact against Kelly is on the ground and 26.5% of it is in the air.
83 tracked batted balls allowed.
One side of the plate does most of the damage against him
Right-handed hitters average 87.2 mph off the bat against Kelly and left-handers 89.7.
50 tracked batted balls from right-handers, 36 from left-handers.
The home runs are what is undoing his season
Kelly has given up 4 tracked home runs, 2 of them to centre field, the longest 426 feet.
4 tracked home runs allowed in 2024.
Hitters tend to hit him to one part of the field
41.9% of the balls put in play against Kelly have gone to centre field.
36 of 86 located batted balls allowed.
The numbers behind these live in Pitch Data.
Take me there
He throws about as hard as anybody in the league
Kelly averages 93.8 mph across his arsenal, 95th percentile in the league.
552 pitches in 2024. 95th percentile among qualified pitchers in 2024, 37th in MLB.
The numbers behind these live in Matchups.
Take me there
Both sides hit him about the same
46% of the contact right-handers make against Kelly is hit hard, against 38.9% of what left-handers make.
267 pitches to right-handed hitters, 285 to left-handed hitters.
The numbers behind these live in Spray Chart.
Take me there
Too much of the contact against him is loud
43% of the contact Kelly gives up is hit hard, 27th percentile.
552 pitches in 2024. 27th percentile among qualified pitchers in 2024, 564th in MLB.
The contact he allows is the kind that finds grass
The quality of contact against Kelly projects a .341 average, 29th percentile.
552 pitches in 2024. 29th percentile among qualified pitchers in 2024, 547th in MLB.
The numbers behind these live in Pitch Data.
Take me there
His ball moves more than the hitter expects it to
Kelly's stuff spins at 2,456 rpm, 84th percentile in the league.
552 pitches in 2024. 84th percentile among qualified pitchers in 2024, 120th in MLB.
The numbers behind these live in Matchups.
Take me there
Runners on base do not change how he is hit
45.5% of the contact against Kelly with a runner in scoring position is hit hard, against 41.5% with the bases empty.
206 pitches with a runner in scoring position, 346 with the bases empty.
The numbers behind these live in Pitch Data.
Take me there
He fills the strike zone and makes hitters beat him
Kelly lives in the strike zone: 47.3% of his pitches are in it, 66th percentile.
552 pitches in 2024. 66th percentile among qualified pitchers in 2024, 259th in MLB.
Red Sox
Career team 2014–2018