Kenny Rosenberg
P | Bats/Throws: L/L | 6' 1" 195LBS | Age: 28
Draft: 2016 | Rd: 8, #240, Tampa Bay Rays | Cal State Northridge
W L ERA G GS SV IP SO WHIP
2022 0 0 4.22 3 1 0 10.2 8 1.41
2023 2 2 3.82 7 3 0 33 29 1.48
2 Seasons 2 2 3.92 10 4 0 43.2 37 1.47
G W-L ERA IP SO WHIP
2022 3 0-0 4.22 10.2 8 1.41
2023 7 2-2 3.82 33 29 1.48
2 Seasons 10 2-2 3.92 43.2 37 1.47
MLB Percentile Rankings
Pitch Distribution

Statcast Statistics

Season Age Pitches Batted
Balls
Barrels Barrel % Barrel/PA Exit
Velocity
Max EV Launch
Angle
Sweet
Spot %
XBA XSLG WOBA XWOBA XWOBACON HardHit% K% BB% ERA xERA
2022 26 193 33 1 3.0 2.1 86.4 108.5 22.1 39.4 .250 .355 .299 .309 .315 33.3 17.0 12.8 4.22 3.97
2023 27 543 102 7 6.9 4.8 88.0 112.4 16.6 29.4 .230 .357 .321 .293 .321 30.4 19.9 9.6 3.82 3.58
Player 736 135 8 5.9 4.1 87.6 112.4 17.9 31.9 .234 .357 .316 .297 .319 31.1 19.2 10.4
MLB 6.9 4.7 88.4 122.4 12.2 33.1 .245 .406 .316 .315 .369 36.3 22.2 8.4
! Note: All figures in this table cover the period 2015-present.

Statcast Pitch Arsenal

Rosenberg relies on 5 pitches.
Four Seamer
(43.1%) ,
Changeup
(37.6%) ,
Cutter
(11.4%) ,
Curveball
(6.6%) ,
Slider
(1.3%) ,


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Pitch Tracking



Batted Ball Profile

Season GB % FB % LD % PU % Pull % Straight % Oppo % Weak % Topped % Under % Flare/Burner % Solid % Barrel % Barrel/PA
2022 27.3 33.3 30.3 9.1 45.5 30.3 24.2 6.1 15.2 39.4 27.3 9.1 3.0 2.1
2023 44.1 24.5 20.6 10.8 48.0 33.3 18.6 2.9 32.4 29.4 21.6 6.9 6.9 4.8
Player 40.0 26.7 23.0 10.4 47.4 32.6 20.0 3.7 28.1 31.9 23.0 7.4 5.9 4.1
MLB 44.6 23.5 24.8 7.0 37.0 37.5 25.3 3.9 32.8 24.7 24.4 5.8 6.9 4.7
! Note: All figures in this table cover the period 2015-present.

Pitch Movement


How this works: Every pitch is affected by the forces of gravity, which means that every pitch drops on its way from the mound to the plate. These numbers are reported with gravity, which makes them larger and different than other pitch movement numbers you may have seen. Since gravity requires time, and slower pitches aren’t ‘better’ just because they have more time to move, the movement of a pitch is compared to ‘average’ movement by comparing it to other MLB pitch types within +/- 2 MPH and from within +/- 0.5 feet of extension and release.
Vertical Movement (inches) Horizontal Movement (inches)
Year Pitch Team Hand # MPH Inches of Drop vs Avg % vs Avg Inches of Break vs Avg % Break vs Avg
2023 Cutter LAA L 62 83.6 38.4 -5.7 -17 2.8 -0.4 -13
2023 Changeup LAA L 204 80.6 31.1 -3.6 -10 10.0 -2.6 -21
2023 Curveball LAA L 36 77.4 57.3 0.9 2 2.9 -4.9 -63
2023 Slider LAA L 7 78.7 47.4 4.1 9 10.6 -1.4 -12
2023 4-Seam Fastball LAA L 234 90.7 15.5 1.2 7 8.5 2.0 32
2022 Curveball LAA L 9 74.1 62.7 -0.2 0 7.9 -3.1 -28
2022 Cutter LAA L 10 81.3 44.9 -8.8 -24 1.3 -2.8 -67
2022 Changeup LAA L 65 81.0 30.9 -3.5 -10 11.6 -2.1 -15
2022 4-Seam Fastball LAA L 87 90.8 15.9 0.6 3 10.1 3.3 50
2022 Slider LAA L 22 79.2 46.2 2.8 6 8.8 -1.0 -10
! Note: Years are in reverse order.
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Run Values by Pitch Type

Year Pitch Type Team RV/100 Run Value Pitches % PA BA SLG wOBA Whiff% K% PutAway % xBA xSLG xwOBA Hard Hit %
2023 4-Seam Fastball 1.6 4 234 43.1 54 .234 .298 .294 15.2 14.8 16.3 .235 .310 .295 30.8
2023 Changeup -0.6 -1 204 37.6 68 .258 .435 .345 30.0 23.5 22.9 .219 .392 .297 30.4
2023 Cutter -0.5 0 62 11.4 15 .357 .429 .370 25.0 13.3 12.5 .253 .353 .288 25.0
2023 Curveball -0.6 0 36 6.6 7 .286 .286 .257 30.0 42.9 33.3 .180 .240 .182 25.0
2023 Slider -7.1 0 7 1.3 1 1.000 2.000 1.250 0.0 0.0 0.0 .631 1.306 .797 100.0
2022 4-Seam Fastball -0.7 -1 87 45.1 18 .286 .357 .375 11.4 11.1 8.3 .245 .314 .343 25.0
2022 Changeup 3.3 2 65 33.7 20 .111 .278 .225 31.7 30.0 23.1 .179 .288 .213 38.5
2022 Slider -1.9 0 22 11.4 6 .200 .400 .325 9.1 0.0 0.0 .310 .451 .390 20.0
2022 Cutter -5.0 -1 10 5.2 3 .667 .667 .600 25.0 0.0 0.0 .594 .783 .606 66.7
2022 Curveball -4.0 0 9 4.7 -- -- -- 100.0 -- 0.0 -- -- -- --
! Note: Years are in reverse order.
! Note: To better align with other values, positive numbers (red) are good, and negative numbers (blue) are poor.
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Spin Direction

Year Pitch Type Pitches MPH Active Spin % Total Movement (In.) Spin-Based Observed Deviation
2023 Changeup 194 80.6 99 14.5 10:30 10:30 0
2023 Curveball 33 77.3 63 14.5 5:15 5:30 -15
2023 Cutter 54 83.5 21 4.7 1:45 3:30 -105
2023 4-Seam Fastball 227 90.7 100 19.5 11:00 11:00 0
2022 Changeup 65 81.0 98 15.5 10:30 10:15 15
2022 Cutter 10 81.3 33 6.1 4:15 5:30 -75
2022 4-Seam Fastball 87 90.8 100 19.6 10:45 11:00 -15
2022 Slider 22 79.2 38 10.7 4:15 3:45 30
! Note: This table is showing data from the PITCHER perspective.
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Swing/Take

Runs
Year Team PA Pitches Heart Shadow Chase Waste All
2022 47 193 0 5 -2 -1 0
2023 145 543 6 2 -4 -2 2
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Plate Discipline

Season Pitches Zone % Zone Swing % Zone Contact % Chase % Chase Contact % Edge % 1st Pitch Strike % Swing % Whiff % Meatball % Meatball Swing %
2022 193 44.0 76.5 86.2 25.0 55.6 42.0 61.7 47.7 21.7 9.8 73.7
2023 543 47.7 69.5 83.9 27.1 59.7 43.5 55.5 47.3 23.3 8.1 79.5
Player 736 46.7 71.2 84.5 26.5 58.7 43.1 57.0 47.4 22.9 8.6 77.8
MLB 48.6 66.9 82.0 28.4 58.0 42.6 60.9 47.1 24.8 7.3 76.1
! Note: All figures in this table cover the period 2015-present.

Percentile Rankings

Year xwOBA /
xERA
xBA xSLG xISO xOBP Brl Brl% EV Hard
Hit%
K% BB% Whiff% Chase
Rate
FB
Velo
FB
Spin
CB
Spin
Extension
2022 11 18 8
2023 9 34 2
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Expected Home Runs

Year Team Avg HR Trot Actual HR xHR HR-xHR Doubters Mostly Gone No Doubters No Doubter %
2022 22.3 1 1.0 0 0 0 1 100.0
2023 24.9 3 3.3 0 1 3 1 33.3
Player 24.3 4 4.3 0 1 3 2 50.0

Expected Home Runs by Park

Year HR
2022 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
2023 3 3 2 4 4 4 4 3 4 2 3 4 3 2 4 4 3 3 4 4 2 3 4 5 3 2 4 4 2 3 3
Player 4 4 3 5 5 5 5 4 5 3 4 5 4 3 5 5 4 4 5 5 3 4 5 6 4 3 5 5 3 4 4
! Note: This tells how many of this player's home runs would have been out of other stadiums. This accounts for different wall heights, distances and environmental effects. For these purposes, the 2020 Blue Jays home field was still Rogers Centre, not Sahlen Field.
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Year to Year Changes

Metric 2022 2023 +/-  
Fastball Velocity 89.8 89.2 -0.6
Offspeed Velocity 81.0 80.6 -0.4
Breaking Velocity 77.7 77.6 -0.1
Exit Velocity 86.4 88.0 1.6
Launch Angle 22.1 16.6 -5.5
Barrel % 3.0 6.9 3.9
Hard Hit % 33.3 30.4 -2.9
Sweet Spot % 39.4 29.4 -10.0
xBA .250 .230 -0.020
BA .225 .267 0.042
xwOBA .309 .293 -0.016
wOBA .299 .321 0.022
xSLG .355 .357 0.002
SLG .350 .389 0.039
K% 17.0 19.9 2.9
BB% 12.8 9.6 -3.2
Swing % 47.7 47.3 -0.4
Whiff% 21.7 23.3 1.6
In Zone % 44.0 47.7 3.7
Out of Zone % 56.0 52.3 -3.7
Out of Zone Swing % 25.0 27.1 2.1
First Pitch Swing % 34.0 32.2 -1.8
First Pitch Strike % 61.7 55.5 -6.2
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Statcast Fielder Positioning

vs RHHvs LHH
YearAlignment TypePAwOBAPATotal%PATotal%
2022 Shifts 47 .299 33 7 21.2 14 12 85.7
2023 Shades 145 .321 100 0 0.0 45 25 55.6
! Note: Shifts are through the 2022 season, Shaded starting from the 2023 season, Shift: three or more infielders are on the same side of second base, Shade: positioned outside of their typical responsible slices of the field.
Learn more about how positioning is defined here

Pitch Tempo

Bases EmptyRunners On Base
SeasonTeamPitchesTempoFast %Slow %PitchesTempoFast %Slow %
2022 51 15.0 47.1% 0.0% 34 22.3 0.0% 5.9%
2023 146 14.7 55.5% 0.0% 89 18.6 5.6% 1.1%
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Pitch Distribution


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